{"title":"1991 Used Mercedes Engines For Sale | Auto Power Source","description":"\u003c!-- APS-COLL-1991-MERCEDES-ENG-2026-07-16-v1 --\u003e\n\u003clink rel=\"stylesheet\" href=\"https:\/\/fonts.googleapis.com\/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600;8..60,700\u0026amp;display=swap\"\u003e\n\u003cstyle\u003e\n.collection-hero,.collection-hero__inner,.collection-hero__text-wrapper,.collection-hero__description,.shopify-section--collection-banner{padding-top:0!important;margin-top:0!important;}\n.shopify-section-group-header-group+.shopify-section .collection-hero{padding-top:0!important;margin-top:0!important;}\n.rte:has(.aps-page){max-width:none!important;width:auto!important;margin:0!important;padding:0!important;}\n.aps-page{width:100vw;max-width:100vw;margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);}\n.aps-page,.aps-page *{font-family:'Source Serif 4','Source Serif Pro','PT Serif',Cambria,Georgia,serif!important;}\n.aps-page 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12px;border-radius:6px;text-decoration:none!important;font-weight:600;text-align:center;font-size:15px;}\n.aps-related-link.primary{background:#082e3d;color:#fff!important;}\n.aps-related-link.secondary{background:#fff;color:#082e3d!important;border:.5px solid #B5BFC8;}\n.aps-about-block{background:#C8CFD6;padding:32px 0;}\n@media(max-width:1000px){.aps-grid-4,.aps-grid-6{grid-template-columns:repeat(2,1fr)!important;}.aps-trust-row{grid-template-columns:repeat(3,1fr)!important;}}\n@media(max-width:700px){.aps-stat-grid{grid-template-columns:repeat(2,1fr)!important;}.aps-stat-num{font-size:28px!important;}.aps-rating-line{font-size:15px!important;}.aps-hero-headline{font-size:30px!important;}.aps-section{padding:18px 16px!important;}.aps-h2{font-size:23px!important;}.aps-grid-3{grid-template-columns:1fr!important;}.aps-grid-4{grid-template-columns:repeat(2,1fr)!important;}.aps-grid-6{grid-template-columns:repeat(2,1fr)!important;}.aps-trust-row{grid-template-columns:repeat(2,1fr)!important;}.aps-cta-bar{flex-direction:column;}.aps-compare-hint{display:block!important;}}\n\u003c\/style\u003e\n\u003cdiv class=\"aps-page\"\u003e\n\u003cdiv class=\"aps-hero-dark\"\u003e\n\u003cdiv class=\"aps-stat-grid\"\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv class=\"aps-stat-num\"\u003e10\u003c\/div\u003e\n\u003cdiv class=\"aps-stat-label\"\u003everified 1991 mercedes engines\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;border-left:.5px solid rgba(255,255,255,.15);border-right:.5px solid rgba(255,255,255,.15);\"\u003e\n\u003cdiv class=\"aps-rating-line\"\u003e\u003cspan style=\"color:#f4c860;\"\u003e★★★★★\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"aps-rating-line\" style=\"margin-top:4px;\"\u003e\u003ca href=\"https:\/\/www.trustpilot.com\/review\/autopowersource.com\" target=\"_blank\" rel=\"noopener\"\u003eExcellent Customer Reviews\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"aps-stat-label\" style=\"margin-top:6px;\"\u003eon Trustpilot\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv class=\"aps-stat-num\"\u003e3 years\u003c\/div\u003e\n\u003cdiv class=\"aps-stat-label\"\u003emax warranty\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;border-left:.5px solid rgba(255,255,255,.15);\"\u003e\u003cdiv style=\"font-size:21px;font-weight:600;color:#fff;line-height:1.2;\"\u003ePhotos before\u003cbr\u003eshipment\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aps-bc\"\u003e\n\u003ca href=\"\/\"\u003eHome\u003c\/a\u003e › \u003ca href=\"\/collections\/used-engines-and-transmissions\"\u003eUsed Engines \u0026amp; Transmissions\u003c\/a\u003e › \u003ca href=\"\/collections\/used-mercedes-engines-for-sale\"\u003eUsed Mercedes Engines\u003c\/a\u003e › 1991\u003c\/div\u003e\n\u003ch1 class=\"aps-hero-headline\"\u003e1991 Used Mercedes Engines For Sale\u003c\/h1\u003e\n\u003cp class=\"aps-hero-desc\"\u003e10 donor-pulled 1991 Mercedes engines ready to ship — the 124-Type 300E (2.6L and 3.0L, 2WD and 4Matic AWD), 300CE, 300TE and 300D; the 126-Type 300SE, 300SEL and the 3.5L turbodiesel 350 — the last year of that S Class; and the 129-Type 300SL roadster. Every unit is VIN-matched to your chassis Type code and VIN engine digits, compression-tested by ASE-certified technicians, photographed before shipment, and backed by up to a 3-year warranty plus 30-day money-back. Free freight nationwide.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca href=\"sms:+13074415554?\u0026amp;body=Hi%2C%20I%20need%20a%201991%20Mercedes%20Engine%20quote.%20VIN%3A%20\" class=\"aps-cta-primary\"\u003eText Your VIN — Match Options\u003c\/a\u003e\u003ca href=\"#aps-products\" class=\"aps-cta-primary\"\u003e↓ Browse all 10 units\u003c\/a\u003e\u003cspan class=\"aps-tertiary-wrap\"\u003eor call \u003ca href=\"tel:+18773138995\"\u003e1-877-313-8995\u003c\/a\u003e · 24h Mon-Sat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aps-trust-row\"\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:14px;color:#082e3d;\"\u003e●\u003c\/div\u003e\n\u003cdiv style=\"font-weight:600;color:#082e3d;font-size:12px;margin-top:2px;\"\u003eUp to 3-Year Warranty\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:14px;color:#082e3d;\"\u003e●\u003c\/div\u003e\n\u003cdiv style=\"font-weight:600;color:#082e3d;font-size:12px;margin-top:2px;\"\u003ePhotos Before Shipment\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:14px;color:#082e3d;\"\u003e●\u003c\/div\u003e\n\u003cdiv style=\"font-weight:600;color:#082e3d;font-size:12px;margin-top:2px;\"\u003eCompression-Tested \u0026amp; Verified\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:14px;color:#082e3d;\"\u003e●\u003c\/div\u003e\n\u003cdiv style=\"font-weight:600;color:#082e3d;font-size:12px;margin-top:2px;\"\u003eFree Nationwide Shipping\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:14px;color:#082e3d;\"\u003e●\u003c\/div\u003e\n\u003cdiv style=\"font-weight:600;color:#082e3d;font-size:12px;margin-top:2px;\"\u003e30-Day Money-Back\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:14px;color:#082e3d;\"\u003e●\u003c\/div\u003e\n\u003cdiv style=\"font-weight:600;color:#082e3d;font-size:12px;margin-top:2px;\"\u003eSecure SSL Checkout\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aps-section\" style=\"padding-top:24px;\"\u003e\n\u003cdiv style=\"margin-bottom:32px;\"\u003e\n\u003ch2 class=\"aps-h2\"\u003eBrowse 1991 Mercedes Engines by Model\u003c\/h2\u003e\n\u003cp style=\"font-size:16px;color:#2a3441;margin:0 0 18px;line-height:1.75;\"\u003ePick your 1991 Mercedes model to see exact fitments in stock. Not sure which chassis Type code you have? Text us your VIN and a specialist confirms the match.\u003c\/p\u003e\n\u003cdiv class=\"aps-grid-4\"\u003e\n\u003ca class=\"aps-model-card\" href=\"#aps-products\"\u003e\u003cdiv class=\"model-name\"\u003e1991 300E\u003c\/div\u003e\n\u003cdiv class=\"model-desc\"\u003e124 Type — 300E 3.0L (VIN 30, 6th and 7th digits) in both 2WD and 4Matic AWD, 300E 2.6L (VIN 26), plus the 300TE wagon and 300CE coupe. Note: two 126-Type S Class units (300SE and 300SEL) are cataloged under this badge — go by the Type code.\u003c\/div\u003e\u003c\/a\u003e\n\u003ca class=\"aps-model-card\" href=\"#aps-products\"\u003e\u003cdiv class=\"model-name\"\u003e1991 300D\u003c\/div\u003e\n\u003cdiv class=\"model-desc\"\u003eDiesel, cataloged as \"300D (Includes Cd\/D\/Sd\/Td)\" — the 124-Type 300D. The diesel and the gasoline 300E share a badge number and nothing else.\u003c\/div\u003e\u003c\/a\u003e\n\u003ca class=\"aps-model-card\" href=\"#aps-products\"\u003e\u003cdiv class=\"model-name\"\u003e1991 350\u003c\/div\u003e\n\u003cdiv class=\"model-desc\"\u003e126 Type — the 3.5L OM603 turbodiesel inline-six of the 350SD and 350SDL, in the final year of the 126-Type S Class. Nothing here interchanges with a gasoline 300SE.\u003c\/div\u003e\u003c\/a\u003e\n\u003ca class=\"aps-model-card\" href=\"#aps-products\"\u003e\u003cdiv class=\"model-name\"\u003e1991 300SL\u003c\/div\u003e\n\u003cdiv class=\"model-desc\"\u003e129 Type — the 3.0L inline-six of the R129 roadster. Our listing is cataloged by Type code alone, so the donor VIN is what confirms the exact fitment.\u003c\/div\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:32px;\"\u003e\n\u003ch2 class=\"aps-h2\"\u003eWhy Buy a 1991 Mercedes Engine from Auto Power Source\u003c\/h2\u003e\n\u003cp style=\"font-size:16px;color:#2a3441;margin:0 0 14px;line-height:1.8;\"\u003eA 1991 Mercedes is now a thirty-five-year-old car, so provenance matters more than price. Every 1991 unit we list is donor-pulled, cataloged by chassis Type code and VIN engine digits, and held in our climate-controlled warehouse pending sale. Each one moves through our six-step inspection — VIN-matching, compression testing, noise \u0026amp; smoke verification, full visual inspection, multi-angle photography, and palletized shipping.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;color:#2a3441;margin:0;line-height:1.8;\"\u003e1991 still wears the old number-first naming, and that is precisely what trips buyers up. A 300SE is a 126-Type S Class; a 300E is a 124-Type mid-size; a 300SL is a 129-Type roadster; a 350 is an OM603 turbodiesel. Four cars, one number, no shared engine — and in our own catalog both 126-Type S Class engines are filed under the 300E badge, so the badge cannot be trusted on its own. The 300E adds a second trap: it is scoped by the VIN 6th and 7th digits — \"VIN 30\" for the 3.0L, \"VIN 26\" for the 2.6L — and the 3.0L splits again into 2WD and 4Matic AWD. Our ASE-certified technicians compression-test every cylinder and run a leak-down evaluation before any 1991 Mercedes engine is cleared for sale — the M103 and M104 gasoline sixes and the OM603 turbodiesel all get the same treatment — and we check every one of those traps against your VIN rather than the badge on the trunk. You pay a fraction of dealer-new pricing for identical Mercedes engineering, ship free on a heavy-duty pallet anywhere in the continental U.S., and get up to a 3-year warranty plus 30-day money-back. Not sure whether your car is a 124, 126 or 129 Type? \u003ca href=\"sms:+13074415554?\u0026amp;body=1991%20Mercedes%20engine%20%E2%80%94%20please%20verify%20my%20VIN\" style=\"color:#082e3d;font-weight:700;\"\u003eText your VIN\u003c\/a\u003e and we will confirm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aps-cta-bar\"\u003e\n\u003cspan class=\"aps-cta-bar-text\"\u003e📱 Fastest way to match: text us your VIN, get options in minutes.\u003c\/span\u003e\u003ca href=\"sms:+13074415554?\u0026amp;body=Hi%2C%20I%20need%20a%201991%20Mercedes%20Engine%20quote.%20VIN%3A%20\"\u003eText Your VIN →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:32px;\"\u003e\n\u003ch2 class=\"aps-h2\"\u003eYour 1991 Mercedes Engine Options: Compared\u003c\/h2\u003e\n\u003cp style=\"font-size:16px;color:#2a3441;margin:0 0 16px;line-height:1.75;\"\u003eMost 1991 Mercedes owners face four real choices when their engine fails:\u003c\/p\u003e\n\u003cdiv class=\"aps-compare-hint\"\u003e← Swipe sideways to see all columns →\u003c\/div\u003e\n\u003cdiv class=\"aps-compare-wrap\"\u003e\u003ctable class=\"aps-compare-table\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#082e3d;color:#fff;\"\u003e\n\u003cth style=\"text-align:left;\"\u003eOption\u003c\/th\u003e\n\u003cth style=\"text-align:center;\"\u003eCost\u003c\/th\u003e\n\u003cth style=\"text-align:center;\"\u003eReliability\u003c\/th\u003e\n\u003cth style=\"text-align:center;\"\u003eWarranty\u003c\/th\u003e\n\u003cth style=\"text-align:center;\"\u003eFitment Match\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom:.5px solid #B5BFC8;background:#ECEEF1;\"\u003e\n\u003ctd style=\"font-weight:700;color:#082e3d;\"\u003eUsed OEM (this collection)\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#082e3d;font-weight:700;\"\u003e$$$ Best Value\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#082e3d;font-weight:700;\"\u003eHigh\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#082e3d;font-weight:700;\"\u003eUp to 3 years\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#082e3d;font-weight:700;\"\u003eVIN-matched\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:.5px solid #B5BFC8;\"\u003e\n\u003ctd style=\"font-weight:700;color:#082e3d;\"\u003eNew OEM (dealer)\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003e$$$$$ 2-4× more\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003eHigh\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003eExact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:.5px solid #B5BFC8;\"\u003e\n\u003ctd style=\"font-weight:700;color:#082e3d;\"\u003eAftermarket \/ Reman\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003e$$$$\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003eVaries\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003e6-12 mo\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003eMay adapt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight:700;color:#082e3d;\"\u003eJunkyard\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003e$ Cheapest\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003eUnknown\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003eNone\u003c\/td\u003e\n\u003ctd style=\"text-align:center;color:#5a6470;\"\u003eDIY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:14px;color:#5a6470;margin:14px 0 0;font-style:italic;\"\u003eTested used OEM hits the sweet spot — original Mercedes engineering, at a fraction of the cost, for a car the dealer no longer stocks new engines for.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:32px;background:#ECEEF1;border:.5px solid #B5BFC8;border-left:3px solid #082e3d;border-radius:6px;padding:28px 24px;\"\u003e\n\u003ch2 style=\"font-size:24px;font-weight:700;color:#082e3d;margin:0 0 14px;\"\u003e1991 Mercedes Engine Buying Guide\u003c\/h2\u003e\n\u003col style=\"font-size:15px;color:#2a3441;margin:0;padding-left:22px;line-height:1.8;\"\u003e\n\u003cli style=\"margin-bottom:10px;\"\u003e\n\u003cstrong style=\"color:#082e3d;\"\u003eRead the chassis Type code, not the badge.\u003c\/strong\u003e Mercedes catalogs 1991 engines by body Type — 124 (300E \/ 300CE \/ 300TE \/ 300D), 126 (300SE \/ 300SEL \/ 350) and 129 (300SL). A 126-Type 300SE engine and a 124-Type 300E engine wear a similar number and do not interchange. In our catalog both 126-Type S Class units are actually filed under the 300E badge, which is exactly why the Type code wins.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:10px;\"\u003e\n\u003cstrong style=\"color:#082e3d;\"\u003eKnow that 1991 is the LAST year of the 126-Type S Class.\u003c\/strong\u003e The long-running W126 finishes its US run in 1991, and the 140-Type W140 replaces it for 1992 with a new 300SE, 400SE, 500SEL and the V12 600SEL. So a 300SE listing from 1992 or later is a completely different chassis and a completely different engine to the 1991 car. Confirm the Type code before you cross-shop a newer year.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:10px;\"\u003e\n\u003cstrong style=\"color:#082e3d;\"\u003eRead the VIN 6th and 7th digits on the 300E, and check for 4Matic.\u003c\/strong\u003e Our 1991 300E listings are scoped by VIN digits rather than by date — \"VIN 30\" is the 3.0L, \"VIN 26\" is the 2.6L. The 3.0L then splits again into an \"exc. AWD\" unit and an \"AWD (4Matic)\" unit. Displacement and driveline both have to match, and neither is legible from the badge on the trunk.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:10px;\"\u003e\n\u003cstrong style=\"color:#082e3d;\"\u003eSeparate gas from diesel before anything else.\u003c\/strong\u003e Two of our 1991 listings are diesels and they are filed apart: the \"300D (Includes Cd\/D\/Sd\/Td)\" badge covers the 124-Type 300D, while the plain \"350\" badge is a 126-Type car carrying the 3.5L OM603 turbodiesel inline-six of the 350SD and 350SDL. Neither shares anything with the gasoline 300E or 300SE sitting next to it under a nearly identical number.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:10px;\"\u003e\n\u003cstrong style=\"color:#082e3d;\"\u003eMatch displacement and cylinder count, then run the donor VIN.\u003c\/strong\u003e Every 1991 unit we stock is an inline-six — the 2.6L and 3.0L M103 and M104 gasoline sixes and the 3.5L OM603 turbodiesel. The M119 V8 and the M120 V12 do not appear until the 1992 cars, so if you are comparing against a 400E, 500E or 600SEL listing you have left the 1991 model year. Note too that 1991 still uses the old number-first names (300SE \/ 300SEL \/ 350SD); the S Class is renamed S320 \/ S420 \/ S500 \/ S600 from 1994, so translate before you compare a newer listing. We provide the donor VIN on request so you can verify mileage and history before you commit.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp style=\"font-size:14px;color:#5a6470;margin:14px 0 0;font-style:italic;\"\u003eOur ASE-certified technicians verify every one of these points against your VIN before any engine ships.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aps-cta-bar\"\u003e\n\u003cspan class=\"aps-cta-bar-text\"\u003e📞 Need help choosing the right engine? Talk to our team live, 24h Mon-Sat.\u003c\/span\u003e\u003ca href=\"tel:+18773138995\"\u003eCall 1-877-313-8995\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:32px;\"\u003e\n\u003ch2 class=\"aps-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"display:flex;flex-direction:column;gap:12px;\"\u003e\n\u003cdetails class=\"aps-faq\"\u003e\u003csummary\u003eWhat is the warranty on a 1991 Mercedes engine?\u003c\/summary\u003e\u003cdiv\u003eUp to 3 years, depending on the specific unit. The exact warranty term is listed on each product page.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aps-faq\"\u003e\u003csummary\u003eWhat does compression-tested mean?\u003c\/summary\u003e\u003cdiv\u003eASE-certified technicians compression-test every cylinder and run a leak-down evaluation before a 1991 Mercedes engine is cleared for sale.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aps-faq\"\u003e\u003csummary\u003eHow long until delivery?\u003c\/summary\u003e\u003cdiv\u003ePrep and ship time is \u003cstrong\u003e3-5 business days\u003c\/strong\u003e. Transit time is \u003cstrong\u003e2-3 business days\u003c\/strong\u003e via freight carrier after dispatch.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aps-faq\"\u003e\u003csummary\u003eCan I see photos before I buy?\u003c\/summary\u003e\u003cdiv\u003eYes. Multi-angle photos of the actual unit are sent before payment, for your approval.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aps-faq\"\u003e\u003csummary\u003eDo I need my VIN?\u003c\/summary\u003e\u003cdiv\u003eStrongly recommended. 1991 Mercedes engines split by chassis Type code, displacement, gas versus diesel, and on the 300E by the VIN 6th and 7th digits plus 2WD versus 4Matic AWD. The VIN is the fastest way to land on the right side of every one of those splits.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aps-faq\"\u003e\u003csummary\u003eWhat if I do not approve the photos?\u003c\/summary\u003e\u003cdiv\u003eEvery dollar back — no restocking fees, no return freight charges.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aps-faq\"\u003e\u003csummary\u003eWhy is this cheaper than the dealer?\u003c\/summary\u003e\u003cdiv\u003eIt is the same Mercedes-engineered OEM unit, pulled from a low-mileage donor rather than built new — and the dealer no longer stocks new engines for a 1991 car at all.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aps-faq\"\u003e\u003csummary\u003eWhen can I reach customer service?\u003c\/summary\u003e\u003cdiv\u003e24h Mon-Sat on 1-877-313-8995, or text your VIN any time and a specialist replies with matching options.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:8px;\"\u003e\n\u003ch2 class=\"aps-h2\"\u003eRelated Collections\u003c\/h2\u003e\n\u003cdiv class=\"aps-grid-4\"\u003e\n\u003ca href=\"\/collections\/used-mercedes-engines-for-sale\" class=\"aps-related-link primary\"\u003e← All Used Mercedes Engines\u003c\/a\u003e\n\u003ca href=\"\/collections\/used-mercedes-transmissions-for-sale\" class=\"aps-related-link secondary\"\u003eAll Mercedes Transmissions\u003c\/a\u003e\n\u003ca href=\"\/collections\/1992-used-mercedes-engines-for-sale\" class=\"aps-related-link secondary\"\u003e1992 Mercedes Engines\u003c\/a\u003e\n\u003ca href=\"\/collections\/used-engines-and-transmissions\" class=\"aps-related-link secondary\"\u003eAll Engines \u0026amp; Transmissions\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aps-about-block\"\u003e\n\u003cdiv class=\"aps-section\" style=\"background:#C8CFD6;\"\u003e\n\u003cdiv style=\"margin-bottom:24px;background:#082e3d;padding:24px;border-radius:8px;\"\u003e\n\u003cdiv class=\"aps-grid-4\"\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:32px;font-weight:700;color:#fff;letter-spacing:-.5px;\"\u003e46,000+\u003c\/div\u003e\n\u003cdiv style=\"font-size:11px;color:#a8bdc7;text-transform:uppercase;letter-spacing:.7px;margin-top:6px;font-weight:600;\"\u003eengines + transmissions shipped\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:32px;font-weight:700;color:#fff;letter-spacing:-.5px;\"\u003e0%\u003c\/div\u003e\n\u003cdiv style=\"font-size:11px;color:#a8bdc7;text-transform:uppercase;letter-spacing:.7px;margin-top:6px;font-weight:600;\"\u003efitment-related returns\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:32px;font-weight:700;color:#fff;letter-spacing:-.5px;\"\u003eAll 50\u003c\/div\u003e\n\u003cdiv style=\"font-size:11px;color:#a8bdc7;text-transform:uppercase;letter-spacing:.7px;margin-top:6px;font-weight:600;\"\u003estates covered, free freight\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;\"\u003e\n\u003cdiv style=\"font-size:21px;font-weight:700;color:#fff;line-height:1.35;\"\u003eExcellent\u003cbr\u003eCustomer Reviews\u003c\/div\u003e\n\u003cdiv style=\"font-size:11px;color:#a8bdc7;text-transform:uppercase;letter-spacing:.7px;margin-top:6px;font-weight:600;\"\u003erated on Trustpilot\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:24px;background:#fff;padding:28px 24px;border-radius:8px;border:.5px solid #B5BFC8;\"\u003e\n\u003ch2 style=\"font-size:28px;font-weight:700;color:#082e3d;margin:0 0 16px;border-bottom:2px solid #082e3d;padding-bottom:8px;display:inline-block;\"\u003eOur 6-Step Inspection \u0026amp; Shipping Process\u003c\/h2\u003e\n\u003cp style=\"font-size:15px;margin:0 0 18px;color:#2a3441;line-height:1.75;\"\u003eEvery 1991 Mercedes engine we ship has been through these six steps:\u003c\/p\u003e\n\u003cdiv class=\"aps-grid-6\"\u003e\n\u003cdiv style=\"background:#DADEE2;padding:16px;border-radius:6px;border-top:2px solid #082e3d;\"\u003e\n\u003cstrong style=\"color:#082e3d;font-size:16px;\"\u003e1. VIN-Matching\u003c\/strong\u003e\u003cdiv style=\"font-size:14px;color:#2a3441;margin-top:4px;line-height:1.7;\"\u003eWe match the donor VIN to your VIN to confirm chassis Type code, VIN engine digits, emissions calibration, and drivetrain fit.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#DADEE2;padding:16px;border-radius:6px;border-top:2px solid #082e3d;\"\u003e\n\u003cstrong style=\"color:#082e3d;font-size:16px;\"\u003e2. Tested \u0026amp; Verified\u003c\/strong\u003e\u003cdiv style=\"font-size:14px;color:#2a3441;margin-top:4px;line-height:1.7;\"\u003eASE-certified technicians compression-test every cylinder and run a leak-down evaluation on each engine.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#DADEE2;padding:16px;border-radius:6px;border-top:2px solid #082e3d;\"\u003e\n\u003cstrong style=\"color:#082e3d;font-size:16px;\"\u003e3. Noise \u0026amp; Smoke Verification\u003c\/strong\u003e\u003cdiv style=\"font-size:14px;color:#2a3441;margin-top:4px;line-height:1.7;\"\u003eUnits are run to verify normal mechanical sound and clean operation — catches wear static tests miss, and matters doubly on a turbodiesel.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#DADEE2;padding:16px;border-radius:6px;border-top:2px solid #082e3d;\"\u003e\n\u003cstrong style=\"color:#082e3d;font-size:16px;\"\u003e4. Visual Inspection\u003c\/strong\u003e\u003cdiv style=\"font-size:14px;color:#2a3441;margin-top:4px;line-height:1.7;\"\u003eEvery accessible component is inspected: manifolds, valve covers, accessories, wiring harnesses and the age-sensitive engine loom these cars are known for.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#DADEE2;padding:16px;border-radius:6px;border-top:2px solid #082e3d;\"\u003e\n\u003cstrong style=\"color:#082e3d;font-size:16px;\"\u003e5. Photograph \u0026amp; Catalog\u003c\/strong\u003e\u003cdiv style=\"font-size:14px;color:#2a3441;margin-top:4px;line-height:1.7;\"\u003eMulti-angle photos sent to you BEFORE we ship, for your approval.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#DADEE2;padding:16px;border-radius:6px;border-top:2px solid #082e3d;\"\u003e\n\u003cstrong style=\"color:#082e3d;font-size:16px;\"\u003e6. Palletize \u0026amp; Ship\u003c\/strong\u003e\u003cdiv style=\"font-size:14px;color:#2a3441;margin-top:4px;line-height:1.7;\"\u003eStrapped on a heavy-duty wooden pallet, shipped via freight at no charge.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:0;\"\u003e\n\u003ch2 style=\"font-size:28px;font-weight:700;color:#082e3d;margin:0 0 12px;border-bottom:2px solid #082e3d;padding-bottom:8px;display:inline-block;\"\u003eWhat Our Customers Say\u003c\/h2\u003e\n\u003cp style=\"font-size:15px;color:#5a6470;margin:0 0 16px;\"\u003e\u003cstrong style=\"color:#082e3d;\"\u003eRated Excellent by our customers on \u003ca href=\"https:\/\/www.trustpilot.com\/review\/autopowersource.com\" target=\"_blank\" rel=\"noopener\" style=\"color:#082e3d!important;\"\u003eTrustpilot\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv class=\"aps-grid-4\"\u003e\n\u003cdiv style=\"background:#fff;border:.5px solid #B5BFC8;border-radius:8px;padding:18px;border-top:3px solid #082e3d;\"\u003e\n\u003cdiv style=\"color:#a17a1a;font-size:14px;margin-bottom:8px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#082e3d;font-size:17px;margin-bottom:6px;\"\u003eTransaction was perfect\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;color:#2a3441;line-height:1.7;\"\u003e\"Found me the right engine at a great price. Got it in 2 days and installed the car the next day. Runs absolutely beautiful.\"\u003c\/div\u003e\n\u003cdiv style=\"margin-top:10px;font-size:12px;color:#5a6470;\"\u003e— Kevin Graham, 2026-04-29\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#fff;border:.5px solid #B5BFC8;border-radius:8px;padding:18px;border-top:3px solid #082e3d;\"\u003e\n\u003cdiv style=\"color:#a17a1a;font-size:14px;margin-bottom:8px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#082e3d;font-size:17px;margin-bottom:6px;\"\u003eRepeat customer\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;color:#2a3441;line-height:1.7;\"\u003e\"AutoPowerSource is a great company. I've used them several times for used motors. Low mileage when other companies gave up.\"\u003c\/div\u003e\n\u003cdiv style=\"margin-top:10px;font-size:12px;color:#5a6470;\"\u003e— Curtis Haines, 2025-12-23\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#fff;border:.5px solid #B5BFC8;border-radius:8px;padding:18px;border-top:3px solid #082e3d;\"\u003e\n\u003cdiv style=\"color:#a17a1a;font-size:14px;margin-bottom:8px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#082e3d;font-size:17px;margin-bottom:6px;\"\u003eHighly recommend Mike\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;color:#2a3441;line-height:1.7;\"\u003e\"Mike reached out first thing in the morning regarding my inquiry for a used engine. Very informative and helpful.\"\u003c\/div\u003e\n\u003cdiv style=\"margin-top:10px;font-size:12px;color:#5a6470;\"\u003e— Beatrice, 2026-03-31\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#fff;border:.5px solid #B5BFC8;border-radius:8px;padding:18px;border-top:3px solid #082e3d;\"\u003e\n\u003cdiv style=\"color:#a17a1a;font-size:14px;margin-bottom:8px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#082e3d;font-size:17px;margin-bottom:6px;\"\u003eGreat experience\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;color:#2a3441;line-height:1.7;\"\u003e\"Daisy kept me in the loop every step. My original engine was damaged before shipping; she found a different one quickly.\"\u003c\/div\u003e\n\u003cdiv style=\"margin-top:10px;font-size:12px;color:#5a6470;\"\u003e— Bryan Perkins, 2026-03-25\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#082e3d;color:#fff;padding:28px 32px;\"\u003e\n\u003ch2 style=\"font-size:28px;font-weight:700;color:#fff;margin:0 0 14px;\"\u003eOur Photos-Before-Shipment Guarantee\u003c\/h2\u003e\n\u003cp style=\"font-size:16px;margin:0 0 16px;color:#d4e1e8;line-height:1.8;max-width:820px;\"\u003eBefore any 1991 Mercedes engine leaves our warehouse, we send you multi-angle photographs. You approve. If you do not approve, you get every dollar back — no questions, no restocking fees, no return freight charges. On top of 30-day money-back and up to a 3-year warranty.\u003c\/p\u003e\n\u003ca href=\"mailto:info@autopowersource.com?subject=1991%20Mercedes%20Engine%20Inquiry\" style=\"display:inline-block;background:#fff;color:#082e3d!important;padding:13px 26px;border-radius:6px;font-weight:700;font-size:15px;text-decoration:none;\"\u003e✉ Email Us at info@autopowersource.com\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n","products":[{"product_id":"1991-mercedes-300sl-engine-129-type","title":"1991 Mercedes 300Sl Engine 129 Type","description":"\u003cp\u003eThe \u003cstrong\u003e1991 Mercedes 300Sl Engine 129 Type\u003c\/strong\u003e is professionally inspected, tested, and ready to install. Every unit is VIN-verified for correct fitment and backed by our 30-Day 100% Money Back Guarantee.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear:\u003c\/strong\u003e 1991\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake:\u003c\/strong\u003e Mercedes-Benz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 300Sl\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Used Engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Gasoline\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis used engine fits the 1991 Mercedes-Benz 300Sl. Compatibility can vary by trim and build date — confirm fitment with your VIN, or contact us and we'll verify it for you.\u003c\/p\u003e\u003ch3\u003eWhat's Included \u0026amp; Condition\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGenuine OEM used engine, tested and verified complete\u003c\/li\u003e\n\u003cli\u003ePhotos of the actual unit sent for your approval before shipping\u003c\/li\u003e\n\u003cli\u003eLow-mileage, professionally inspected inventory\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty, Shipping \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e6-month warranty included — extended coverage up to 3 years available\u003c\/li\u003e\n\u003cli\u003eFree, fast nationwide shipping\u003c\/li\u003e\n\u003cli\u003e30-day hassle-free returns\u003c\/li\u003e\n\u003cli\u003e30-Day 100% Money Back Guarantee\u003c\/li\u003e\n\u003cli\u003eVIN-verified fitment guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercedes-Benz","offers":[{"title":"Tested and complete \/ 111,108 miles driven \/ 3 Months warranty","offer_id":46017671332013,"sku":"APS_21741","price":2450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/8668\/5869\/files\/mercedes-m272-3-5l-v6-engine-tested-certified.png?v=1780394634"},{"product_id":"1991-mercedes-300e-engine-124-type-300te","title":"1991 Mercedes 300E Engine 124 Type, 300TE","description":"\u003cp\u003eThe \u003cstrong\u003e1991 Mercedes 300E Engine 124 Type, 300TE\u003c\/strong\u003e is professionally inspected, tested, and ready to install. Every unit is VIN-verified for correct fitment and backed by our 30-Day 100% Money Back Guarantee.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear:\u003c\/strong\u003e 1991\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake:\u003c\/strong\u003e Mercedes-Benz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 300E\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Used Engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Gasoline\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis used engine fits the 1991 Mercedes-Benz 300E. Compatibility can vary by trim and build date — confirm fitment with your VIN, or contact us and we'll verify it for you.\u003c\/p\u003e\u003ch3\u003eWhat's Included \u0026amp; Condition\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGenuine OEM used engine, tested and verified complete\u003c\/li\u003e\n\u003cli\u003ePhotos of the actual unit sent for your approval before shipping\u003c\/li\u003e\n\u003cli\u003eLow-mileage, professionally inspected inventory\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty, Shipping \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e6-month warranty included — extended coverage up to 3 years available\u003c\/li\u003e\n\u003cli\u003eFree, fast nationwide shipping\u003c\/li\u003e\n\u003cli\u003e30-day hassle-free returns\u003c\/li\u003e\n\u003cli\u003e30-Day 100% Money Back Guarantee\u003c\/li\u003e\n\u003cli\u003eVIN-verified fitment guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercedes-Benz","offers":[{"title":"Tested and complete \/ 122,149 miles driven \/ 3 Months warranty","offer_id":46017670938797,"sku":"APS_21732","price":2263.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/8668\/5869\/files\/mercedes-m272-3-5l-v6-engine-tested-certified.png?v=1780394634"},{"product_id":"1991-mercedes-300e-engine-124-type-300e-30l-vin-30-6th-and-7th-digits-exc-awd","title":"1991 Mercedes 300E Engine 124 Type, 300E, 3.0L (VIN 30, 6th and 7th digits), exc. 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Every unit is VIN-verified for correct fitment and backed by our 30-Day 100% Money Back Guarantee.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear:\u003c\/strong\u003e 1991\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake:\u003c\/strong\u003e Mercedes-Benz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 300E\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Used Engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Size:\u003c\/strong\u003e 3.0L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Gasoline\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e AWD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVIN Engine Code:\u003c\/strong\u003e VIN 30\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis used engine fits the 1991 Mercedes-Benz 300E with the 3.0L Gasoline engine. Compatibility can vary by trim and build date — confirm fitment with your VIN, or contact us and we'll verify it for you.\u003c\/p\u003e\u003ch3\u003eWhat's Included \u0026amp; Condition\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGenuine OEM used engine, tested and verified complete\u003c\/li\u003e\n\u003cli\u003ePhotos of the actual unit sent for your approval before shipping\u003c\/li\u003e\n\u003cli\u003eLow-mileage, professionally inspected inventory\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty, Shipping \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e6-month warranty included — extended coverage up to 3 years available\u003c\/li\u003e\n\u003cli\u003eFree, fast nationwide shipping\u003c\/li\u003e\n\u003cli\u003e30-day hassle-free returns\u003c\/li\u003e\n\u003cli\u003e30-Day 100% Money Back Guarantee\u003c\/li\u003e\n\u003cli\u003eVIN-verified fitment guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercedes-Benz","offers":[{"title":"Tested and complete \/ 122,149 miles driven \/ 3 Months warranty","offer_id":46017670906029,"sku":"APS_21731","price":2263.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/8668\/5869\/files\/mercedes-m272-3-5l-v6-engine-tested-certified.png?v=1780394634"},{"product_id":"1991-mercedes-300e-engine-124-type-300e-30l-vin-30-6th-and-7th-digits-awd-4matic","title":"1991 Mercedes 300E Engine 124 Type, 300E, 3.0L (VIN 30, 6th and 7th digits), AWD (4Matic)","description":"\u003cp\u003eThe \u003cstrong\u003e1991 Mercedes 300E Engine 124 Type, 300E, 3.0L (VIN 30, 6th and 7th digits), AWD (4Matic)\u003c\/strong\u003e is professionally inspected, tested, and ready to install. Every unit is VIN-verified for correct fitment and backed by our 30-Day 100% Money Back Guarantee.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear:\u003c\/strong\u003e 1991\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake:\u003c\/strong\u003e Mercedes-Benz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 300E\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Used Engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Size:\u003c\/strong\u003e 3.0L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Gasoline\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e AWD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVIN Engine Code:\u003c\/strong\u003e VIN 30\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis used engine fits the 1991 Mercedes-Benz 300E with the 3.0L Gasoline engine. Compatibility can vary by trim and build date — confirm fitment with your VIN, or contact us and we'll verify it for you.\u003c\/p\u003e\u003ch3\u003eWhat's Included \u0026amp; Condition\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGenuine OEM used engine, tested and verified complete\u003c\/li\u003e\n\u003cli\u003ePhotos of the actual unit sent for your approval before shipping\u003c\/li\u003e\n\u003cli\u003eLow-mileage, professionally inspected inventory\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty, Shipping \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e6-month warranty included — extended coverage up to 3 years available\u003c\/li\u003e\n\u003cli\u003eFree, fast nationwide shipping\u003c\/li\u003e\n\u003cli\u003e30-day hassle-free returns\u003c\/li\u003e\n\u003cli\u003e30-Day 100% Money Back Guarantee\u003c\/li\u003e\n\u003cli\u003eVIN-verified fitment guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercedes-Benz","offers":[{"title":"Tested and complete \/ 114,800 miles driven \/ 3 Months warranty","offer_id":46017670873261,"sku":"APS_21730","price":2450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/8668\/5869\/files\/mercedes-m272-3-5l-v6-engine-tested-certified.png?v=1780394634"},{"product_id":"1991-mercedes-300e-engine-124-type-300e-26l-vin-26-6th-and-7th-digits","title":"1991 Mercedes 300E Engine 124 Type, 300E, 2.6L (VIN 26, 6th and 7th digits)","description":"\u003cp\u003eThe \u003cstrong\u003e1991 Mercedes 300E Engine 124 Type, 300E, 2.6L (VIN 26, 6th and 7th digits)\u003c\/strong\u003e is professionally inspected, tested, and ready to install. Every unit is VIN-verified for correct fitment and backed by our 30-Day 100% Money Back Guarantee.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear:\u003c\/strong\u003e 1991\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake:\u003c\/strong\u003e Mercedes-Benz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 300E\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Used Engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Size:\u003c\/strong\u003e 2.6L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Gasoline\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVIN Engine Code:\u003c\/strong\u003e VIN 26\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis used engine fits the 1991 Mercedes-Benz 300E with the 2.6L Gasoline engine. Compatibility can vary by trim and build date — confirm fitment with your VIN, or contact us and we'll verify it for you.\u003c\/p\u003e\u003ch3\u003eWhat's Included \u0026amp; Condition\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGenuine OEM used engine, tested and verified complete\u003c\/li\u003e\n\u003cli\u003ePhotos of the actual unit sent for your approval before shipping\u003c\/li\u003e\n\u003cli\u003eLow-mileage, professionally inspected inventory\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty, Shipping \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e6-month warranty included — extended coverage up to 3 years available\u003c\/li\u003e\n\u003cli\u003eFree, fast nationwide shipping\u003c\/li\u003e\n\u003cli\u003e30-day hassle-free returns\u003c\/li\u003e\n\u003cli\u003e30-Day 100% Money Back Guarantee\u003c\/li\u003e\n\u003cli\u003eVIN-verified fitment guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercedes-Benz","offers":[{"title":"Tested and complete \/ 122,500 miles driven \/ 3 Months warranty","offer_id":46017670840493,"sku":"APS_21729","price":1824.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/8668\/5869\/files\/mercedes-m272-3-5l-v6-engine-tested-certified.png?v=1780394634"},{"product_id":"1991-mercedes-300e-engine-126-type-300sel","title":"1991 Mercedes 300E Engine 126 Type, 300SEL","description":"\u003cp\u003eThe \u003cstrong\u003e1991 Mercedes 300E Engine 126 Type, 300SEL\u003c\/strong\u003e is professionally inspected, tested, and ready to install. Every unit is VIN-verified for correct fitment and backed by our 30-Day 100% Money Back Guarantee.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear:\u003c\/strong\u003e 1991\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake:\u003c\/strong\u003e Mercedes-Benz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 300E\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Used Engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Gasoline\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis used engine fits the 1991 Mercedes-Benz 300E. Compatibility can vary by trim and build date — confirm fitment with your VIN, or contact us and we'll verify it for you.\u003c\/p\u003e\u003ch3\u003eWhat's Included \u0026amp; Condition\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGenuine OEM used engine, tested and verified complete\u003c\/li\u003e\n\u003cli\u003ePhotos of the actual unit sent for your approval before shipping\u003c\/li\u003e\n\u003cli\u003eLow-mileage, professionally inspected inventory\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty, Shipping \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e6-month warranty included — extended coverage up to 3 years available\u003c\/li\u003e\n\u003cli\u003eFree, fast nationwide shipping\u003c\/li\u003e\n\u003cli\u003e30-day hassle-free returns\u003c\/li\u003e\n\u003cli\u003e30-Day 100% Money Back Guarantee\u003c\/li\u003e\n\u003cli\u003eVIN-verified fitment guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercedes-Benz","offers":[{"title":"Tested and complete \/ 126,000 miles driven \/ 3 Months warranty","offer_id":46017670807725,"sku":"APS_21728","price":1763.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/8668\/5869\/files\/mercedes-m272-3-5l-v6-engine-tested-certified.png?v=1780394634"},{"product_id":"1991-mercedes-300e-engine-126-type-300se","title":"1991 Mercedes 300E Engine 126 Type, 300SE","description":"\u003cp\u003eThe \u003cstrong\u003e1991 Mercedes 300E Engine 126 Type, 300SE\u003c\/strong\u003e is professionally inspected, tested, and ready to install. Every unit is VIN-verified for correct fitment and backed by our 30-Day 100% Money Back Guarantee.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear:\u003c\/strong\u003e 1991\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake:\u003c\/strong\u003e Mercedes-Benz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 300E\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Used Engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Gasoline\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis used engine fits the 1991 Mercedes-Benz 300E. Compatibility can vary by trim and build date — confirm fitment with your VIN, or contact us and we'll verify it for you.\u003c\/p\u003e\u003ch3\u003eWhat's Included \u0026amp; Condition\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGenuine OEM used engine, tested and verified complete\u003c\/li\u003e\n\u003cli\u003ePhotos of the actual unit sent for your approval before shipping\u003c\/li\u003e\n\u003cli\u003eLow-mileage, professionally inspected inventory\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty, Shipping \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e6-month warranty included — extended coverage up to 3 years available\u003c\/li\u003e\n\u003cli\u003eFree, fast nationwide shipping\u003c\/li\u003e\n\u003cli\u003e30-day hassle-free returns\u003c\/li\u003e\n\u003cli\u003e30-Day 100% Money Back Guarantee\u003c\/li\u003e\n\u003cli\u003eVIN-verified fitment guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercedes-Benz","offers":[{"title":"Tested and complete \/ 126,000 miles driven \/ 3 Months warranty","offer_id":46017670774957,"sku":"APS_21727","price":1763.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/8668\/5869\/files\/mercedes-m272-3-5l-v6-engine-tested-certified.png?v=1780394634"},{"product_id":"1991-mercedes-300d-includes-cd-d-sd-td-engine-124-type-300d","title":"1991 Mercedes 300D (Includes Cd\/D\/Sd\/Td) Engine 124 Type, (300D)","description":"\u003cp\u003eThe \u003cstrong\u003e1991 Mercedes 300D (Includes Cd\/D\/Sd\/Td) Engine 124 Type, (300D)\u003c\/strong\u003e is professionally inspected, tested, and ready to install. Every unit is VIN-verified for correct fitment and backed by our 30-Day 100% Money Back Guarantee.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear:\u003c\/strong\u003e 1991\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake:\u003c\/strong\u003e Mercedes-Benz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 300D (Includes Cd\/D\/Sd\/Td)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Used Engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Gasoline\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis used engine fits the 1991 Mercedes-Benz 300D (Includes Cd\/D\/Sd\/Td). Compatibility can vary by trim and build date — confirm fitment with your VIN, or contact us and we'll verify it for you.\u003c\/p\u003e\u003ch3\u003eWhat's Included \u0026amp; Condition\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGenuine OEM used engine, tested and verified complete\u003c\/li\u003e\n\u003cli\u003ePhotos of the actual unit sent for your approval before shipping\u003c\/li\u003e\n\u003cli\u003eLow-mileage, professionally inspected inventory\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty, Shipping \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e6-month warranty included — extended coverage up to 3 years available\u003c\/li\u003e\n\u003cli\u003eFree, fast nationwide shipping\u003c\/li\u003e\n\u003cli\u003e30-day hassle-free returns\u003c\/li\u003e\n\u003cli\u003e30-Day 100% Money Back Guarantee\u003c\/li\u003e\n\u003cli\u003eVIN-verified fitment guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercedes-Benz","offers":[{"title":"Tested and complete \/ 105,000 miles driven \/ 3 Months warranty","offer_id":46017670348973,"sku":"APS_21716","price":4138.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/8668\/5869\/files\/mercedes-m272-3-5l-v6-engine-tested-certified.png?v=1780394634"},{"product_id":"1991-mercedes-350-engine-126-type","title":"1991 Mercedes 350 Engine 126 Type","description":"\u003cp\u003eThe \u003cstrong\u003e1991 Mercedes 350 Engine 126 Type\u003c\/strong\u003e is professionally inspected, tested, and ready to install. Every unit is VIN-verified for correct fitment and backed by our 30-Day 100% Money Back Guarantee.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear:\u003c\/strong\u003e 1991\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake:\u003c\/strong\u003e Mercedes-Benz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 350\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Used Engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Gasoline\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis used engine fits the 1991 Mercedes-Benz 350. Compatibility can vary by trim and build date — confirm fitment with your VIN, or contact us and we'll verify it for you.\u003c\/p\u003e\u003ch3\u003eWhat's Included \u0026amp; Condition\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGenuine OEM used engine, tested and verified complete\u003c\/li\u003e\n\u003cli\u003ePhotos of the actual unit sent for your approval before shipping\u003c\/li\u003e\n\u003cli\u003eLow-mileage, professionally inspected inventory\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty, Shipping \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e6-month warranty included — extended coverage up to 3 years available\u003c\/li\u003e\n\u003cli\u003eFree, fast nationwide shipping\u003c\/li\u003e\n\u003cli\u003e30-day hassle-free returns\u003c\/li\u003e\n\u003cli\u003e30-Day 100% Money Back Guarantee\u003c\/li\u003e\n\u003cli\u003eVIN-verified fitment guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercedes-Benz","offers":[{"title":"Tested and complete \/ 108,063 miles driven \/ 3 Months warranty","offer_id":46017669857453,"sku":"APS_21702","price":9262.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/8668\/5869\/files\/mercedes-m272-3-5l-v6-engine-tested-certified.png?v=1780394634"},{"product_id":"used-engine-1991-mercedes-300e-124-type-300ce","title":"1991 Mercedes 300E Used Engine 124 Type, 300CE","description":"\u003cp\u003eThe \u003cstrong\u003e1991 Mercedes 300E Used Engine 124 Type, 300CE\u003c\/strong\u003e is professionally inspected, tested, and ready to install. Every unit is VIN-verified for correct fitment and backed by our 30-Day 100% Money Back Guarantee.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear:\u003c\/strong\u003e 1991\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake:\u003c\/strong\u003e Mercedes-Benz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 300E\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Used Engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Gasoline\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis used engine fits the 1991 Mercedes-Benz 300E. Compatibility can vary by trim and build date — confirm fitment with your VIN, or contact us and we'll verify it for you.\u003c\/p\u003e\u003ch3\u003eWhat's Included \u0026amp; Condition\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGenuine OEM used engine, tested and verified complete\u003c\/li\u003e\n\u003cli\u003ePhotos of the actual unit sent for your approval before shipping\u003c\/li\u003e\n\u003cli\u003eLow-mileage, professionally inspected inventory\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty, Shipping \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e6-month warranty included — extended coverage up to 3 years available\u003c\/li\u003e\n\u003cli\u003eFree, fast nationwide shipping\u003c\/li\u003e\n\u003cli\u003e30-day hassle-free returns\u003c\/li\u003e\n\u003cli\u003e30-Day 100% Money Back Guarantee\u003c\/li\u003e\n\u003cli\u003eVIN-verified fitment guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercedes-Benz","offers":[{"title":"Tested and complete \/ 90,861 miles driven \/ 3 Months warranty","offer_id":45931825856685,"sku":"APS_12786","price":2177.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/8668\/5869\/files\/mercedes-m272-3-5l-v6-engine-tested-certified.png?v=1780394634"}],"url":"https:\/\/autopowersource.com\/collections\/1991-used-mercedes-engines-for-sale.oembed","provider":"Auto Power Source","version":"1.0","type":"link"}