{"product_id":"delphi-tc9178-suspension-control-arm-and-ball-joint-assembly-front-left-lower-rearward","title":"Delphi TC9178 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Rearward","description":"\u003ch2\u003eFront Left Lower Rearward Control Arm Assembly\u003c\/h2\u003e\u003cp\u003eDelphi TC9178 is a suspension control arm and ball joint assembly for the front left lower rearward position. It is built for Mercedes-Benz applications that require OE-style dimensional accuracy and material consistency for stable suspension geometry.\u003c\/p\u003e\u003cp\u003eCompatible with select Mercedes-Benz S-Class models, including S550, S560, S450, S560e, Maybach S600, and Maybach S650 applications in the front left lower rearward position. Delphi TC9178 is a direct-fit suspension service part for restoring proper front-end control and alignment behavior.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFront left lower rearward suspension control arm and ball joint assembly\u003c\/li\u003e\n\u003cli\u003eOE-focused dimensional and material analysis for fitment accuracy\u003c\/li\u003e\n\u003cli\u003eTested for temperature extremes below -40 C and above 120 C\u003c\/li\u003e\n\u003cli\u003eExposed to 720 hours of salt spray during validation\u003c\/li\u003e\n\u003cli\u003eBuilt for Mercedes-Benz S-Class chassis applications with confirmed position-specific fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2018-2021 Mercedes-Benz S560, front left lower rearward.\u003c\/li\u003e\n\u003cli\u003eFits 2018-2020 Mercedes-Benz Maybach S650, front left lower rearward.\u003c\/li\u003e\n\u003cli\u003eFits 2018-2020 Mercedes-Benz S450, front left lower rearward.\u003c\/li\u003e\n\u003cli\u003eFits 2019-2020 Mercedes-Benz S560e, front left lower rearward.\u003c\/li\u003e\n\u003cli\u003eFits 2016-2017 Mercedes-Benz Maybach S600, front left lower rearward.\u003c\/li\u003e\n\u003cli\u003eFits 2014-2017 Mercedes-Benz S550, front left lower rearward.\u003c\/li\u003e\n\u003cli\u003eFits 2015-2017 Mercedes-Benz S550e, front left lower rearward.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat This Part Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront suspension looseness or imprecise steering response\u003c\/li\u003e\n\u003cli\u003eUneven tire wear caused by worn control arm and ball joint components\u003c\/li\u003e\n\u003cli\u003eClunking or knocking from the front left suspension area\u003c\/li\u003e\n\u003cli\u003eAlignment instability after suspension wear\u003c\/li\u003e\n\u003cli\u003eLoss of ride control in the lower rearward front suspension position\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the vehicle’s year, model, and front left lower rearward position before ordering. This part cross-references Dorman OE Solutions 526-273 for the same application. Professional installation and a post-repair alignment are recommended after suspension component replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDelphi applies OE engineering practices to its aftermarket steering and suspension portfolio. TC9178 is validated through temperature cycling, salt-spray exposure, and dimensional\/material analysis to support consistent fit and performance on Mercedes-Benz S-Class applications.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":52923195654325,"sku":"BBMX-TC9178","price":150.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_TC9178_FRO.jpg?v=1785652612","url":"https:\/\/www.partcatalog.com\/products\/delphi-tc9178-suspension-control-arm-and-ball-joint-assembly-front-left-lower-rearward","provider":"PartCatalog","version":"1.0","type":"link"}