{"product_id":"dorman-946-551-drive-shaft-rear","title":"Dorman 946-551 Drive Shaft - Rear","description":"\u003ch2\u003eMercedes-Benz Rear Drive Shaft Assembly\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft assembly is built for rear driveline service on select Mercedes-Benz S430 and S500 models. Part number 946-551 is pre-balanced and supplied as a complete replacement shaft with steel construction and serviceable driveline components for a direct repair approach.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel shaft construction for driveline strength\u003c\/li\u003e\n\u003cli\u003ePre-balanced assembly for smoother operation after installation\u003c\/li\u003e\n\u003cli\u003e100% new yokes, tubes, CV joints, and universal joints per manufacturer description\u003c\/li\u003e\n\u003cli\u003eSlip yoke included\u003c\/li\u003e\n\u003cli\u003eGreaseable drive shaft design\u003c\/li\u003e\n\u003cli\u003eOverall length adjustable for application-specific fitment\u003c\/li\u003e\n\u003cli\u003e66 in drive shaft length with 2.5 in shaft diameter\u003c\/li\u003e\n\u003cli\u003e0.083 in wall thickness\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 946-551 is a rear drive shaft assembly for 2003-2006 Mercedes-Benz S430 and 2003-2006 Mercedes-Benz S500 models. It is engineered as a complete replacement shaft that arrives pre-balanced, helping reduce the time and effort involved in driveline service. The steel shaft, slip yoke, greaseable design, and adjustable overall length support a straightforward replacement for worn or damaged rear driveline components. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286) for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVibration from a worn or out-of-balance rear driveshaft\u003c\/li\u003e\n\u003cli\u003eClunking or driveline noise from worn joints or yokes\u003c\/li\u003e\n\u003cli\u003eExcess play in the rear driveline assembly\u003c\/li\u003e\n\u003cli\u003eDamage to the original shaft tube or related driveline components\u003c\/li\u003e\n\u003cli\u003eService issues caused by a non-greaseable or worn shaft assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear-position fitment before installation on your Mercedes-Benz S430 or Mercedes-Benz S500. Confirm overall length, shaft diameter, and slip yoke configuration against the original part, and inspect surrounding driveline components for wear before completing the repair. Part number 946-551 is intended as a direct replacement-style driveline assembly, so proper alignment and torque procedures should be followed during installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this drive shaft assembly as a pre-balanced replacement unit with new yokes, tubes, CV joints, and universal joints according to the manufacturer description. Part number 946-551 is built for rear driveline service on the listed Mercedes-Benz applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798258249909,"sku":"BKKY-946-551","price":814.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946551_Fro.jpg?v=1784008507","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-551-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}