{"product_id":"mercedes-s-class-221-type-s550-rwd-engine-2009","title":"Mercedes S Class 221 Type, S550, RWD - Engine (2009)","description":"\u003ch1 class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eMercedes-Benz S550 (W221) Engine For 2009 RWD Models\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eThis refined 382 HP V8 engine delivers exceptional performance and luxury for your Mercedes-Benz S550, combining sophisticated technology with smooth, effortless power.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eEngine Specifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"markdown-table-wrapper\"\u003e\n\u003ctable style=\"width: 65.2062%; height: 285px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003cth style=\"text-align: center; width: 44.3394%; height: 19.5898px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"text-align: center; width: 55.1665%; height: 19.5898px;\"\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"text-align: center; width: 44.3394%; height: 19.5898px;\"\u003eEngine Code\u003c\/td\u003e\n\u003ctd style=\"width: 55.1665%; height: 19.5898px; text-align: center;\"\u003eM273 E55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"text-align: center; width: 44.3394%; height: 19.5898px;\"\u003eDisplacement\u003c\/td\u003e\n\u003ctd style=\"width: 55.1665%; height: 19.5898px; text-align: center;\"\u003e5.5L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"text-align: center; width: 44.3394%; height: 19.5898px;\"\u003eAspiration\u003c\/td\u003e\n\u003ctd style=\"width: 55.1665%; height: 19.5898px; text-align: center;\"\u003eNaturally Aspirated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"text-align: center; width: 44.3394%; height: 19.5898px;\"\u003eHorsepower\u003c\/td\u003e\n\u003ctd style=\"width: 55.1665%; height: 19.5898px; text-align: center;\"\u003e382 HP \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"text-align: center; width: 44.3394%; height: 19.5898px;\"\u003eTorque\u003c\/td\u003e\n\u003ctd style=\"width: 55.1665%; height: 19.5898px; text-align: center;\"\u003e391 lb-ft \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"text-align: center; width: 44.3394%; height: 19.5898px;\"\u003eFuel System\u003c\/td\u003e\n\u003ctd style=\"width: 55.1665%; height: 19.5898px; text-align: center;\"\u003eSequential Multi-Point Fuel Injection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 44.3394%; height: 19.5898px; text-align: center;\"\u003eValvetrain\u003c\/td\u003e\n\u003ctd style=\"width: 55.1665%; height: 19.5898px; text-align: center;\"\u003eDOHC 32-valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 44.3394%; height: 19.5898px; text-align: center;\"\u003eTransmission\u003c\/td\u003e\n\u003ctd style=\"width: 55.1665%; height: 19.5898px; text-align: center;\"\u003e7-Speed Automatic \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 44.3394%; height: 19.5898px; text-align: center;\"\u003eDrivetrain\u003c\/td\u003e\n\u003ctd style=\"width: 55.1665%; height: 19.5898px; text-align: center;\"\u003eRWD \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 44.3394%; height: 19.5898px; text-align: center;\"\u003eEngine Block\u003c\/td\u003e\n\u003ctd style=\"width: 55.1665%; height: 19.5898px; text-align: center;\"\u003eAluminum alloy block and heads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n \u003c\/div\u003e\n\u003ch2 class=\"markdown-table-wrapper\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eComplete Long Block Assembly:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncludes the fully assembled engine block, crankshaft, pistons, cylinder head, and valvetrain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes Intake \u0026amp;amp; Exhaust Manifolds:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eComes with both manifolds pre-attached, saving installation time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBacked by Warranty:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProvides a reliable warranty on the entire assembly for peace of mind.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003ePricing Options:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"markdown-table-wrapper\"\u003e\n\u003ctable style=\"width: 72.0294%; height: 176.309px;\" height=\"135\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 39.1797px;\"\u003e\n\u003cth style=\"width: 30.7488%; height: 39.1797px;\"\u003e\u003cstrong\u003eMileage Range\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"text-align: center; width: 21.576%; height: 39.1797px;\"\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"text-align: center; width: 46.9456%; height: 39.1797px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 39.1797px;\"\u003e\n\u003ctd style=\"width: 30.7488%; height: 39.1797px;\"\u003e\u003cstrong\u003e30K-60K miles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 21.576%; height: 39.1797px;\"\u003e$ 3,161.60\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 46.9456%; height: 39.1797px;\"\u003eLike-new condition, minimal wear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 30.7488%; height: 19.5898px;\"\u003e\u003cstrong\u003e60K-90K miles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 21.576%; height: 19.5898px;\"\u003e$ 2,925.00\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 46.9456%; height: 19.5898px;\"\u003eLight use, excellent condition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1797px;\"\u003e\n\u003ctd style=\"width: 30.7488%; height: 39.1797px;\"\u003e\u003cstrong\u003e90K-120K miles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 21.576%; height: 39.1797px;\"\u003e$ 2,470.00\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 46.9456%; height: 39.1797px;\"\u003eGood condition, fully functional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1797px;\"\u003e\n\u003ctd style=\"width: 30.7488%; height: 39.1797px;\"\u003e\u003cstrong\u003e120K-150K miles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 21.576%; height: 39.1797px;\"\u003e$ 1,812.72\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 46.9456%; height: 39.1797px;\"\u003eBudget option, may require minor service\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n \u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003eShipping Information:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eStandard shipping 5-7 business days.\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eExpedited shipping available for an extra cost.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFrequently Asked Questions?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3 class=\"ds-markdown-paragraph\"\u003eQ: How do I confirm my S550 has the M273 engine?\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe S550 for 2009 RWD models exclusively used the M273 5.5L V8 engine. You can confirm by checking the engine designation on the engine cover and the vehicle identification number VIN.\u003c\/p\u003e\n\u003ch3 class=\"ds-markdown-paragraph\"\u003eQ: What maintenance is critical for this engine?\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRegular oil changes, spark plug and coil replacements, coolant flushes, and air and fuel filter changes are key to keeping your 2009 S550’s M273 engine powerful and reliable. Stay on top of these, and your V8 will keep roaring strong.\u003c\/p\u003e\n\u003ch3 class=\"ds-markdown-paragraph\"\u003eQ: Is this engine compatible with 4MATIC models?\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 2009 S550 with the M273 engine is made for rear-wheel drive, not 4MATIC all-wheel drive. For a 4MATIC S550, you need an engine and drivetrain that fit all-wheel drive. Make sure your engine matches your ride’s setup.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eReady to Order?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eRestore your Mercedes-Benz S550's legendary performance with a quality replacement M273 V8 engine. Embrace the seamless power and bold elegance that set the S-Class in a league of its own.\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercedes","offers":[{"title":"30K-60K miles","offer_id":45946616152321,"sku":null,"price":3161.6,"currency_code":"USD","in_stock":true},{"title":"60K-90K miles","offer_id":45946616185089,"sku":null,"price":2925.0,"currency_code":"USD","in_stock":true},{"title":"90K-120K miles","offer_id":45946616217857,"sku":null,"price":2470.0,"currency_code":"USD","in_stock":true},{"title":"120K-150K miles","offer_id":45946616250625,"sku":null,"price":1812.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/7471\/7441\/files\/3.6L_V6_24V_VVT_Engine_Upg_I_Jeep_cf014344-0135-49e0-bc30-4760e2617f02.jpg?v=1738170291","url":"https:\/\/www.bestuseautoparts.com\/products\/mercedes-s-class-221-type-s550-rwd-engine-2009","provider":"Best Use Auto Parts","version":"1.0","type":"link"}