{"product_id":"delphi-tc7053-suspension-control-arm-and-ball-joint-assembly-front-left-upper","title":"Delphi TC7053 Suspension Control Arm and Ball Joint Assembly - Front Left Upper","description":"\u003ch2\u003eOE-Style Front Left Upper Control Arm\u003c\/h2\u003e\u003cp\u003eDelphi TC7053 is a front left upper suspension control arm and ball joint assembly built for select Mercedes-Benz S-Class and Maybach applications. It combines a steel casting\/forged construction with a pre-greased, press-in ball joint for a direct-fit replacement focused on OE-style geometry and steering response.\u003c\/p\u003e\u003cp\u003eFits 2014-2017 Mercedes-Benz S550, front left upper; fits 2015-2017 Mercedes-Benz S550e, front left upper; fits 2015-2017 Mercedes-Benz S600, front left upper; fits 2016-2017 Mercedes-Benz Maybach S600, front left upper; fits 2017 Mercedes-Benz Maybach S550, front left upper; fits 2018 Mercedes-Benz S450, front left upper; fits 2018 Mercedes-Benz S560, front left upper; fits 2018 Mercedes-Benz Maybach S560, front left upper; fits 2018 Mercedes-Benz Maybach S650, front left upper.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart number: TC7053\u003c\/li\u003e\n\u003cli\u003ePosition: front left upper\u003c\/li\u003e\n\u003cli\u003eControl arm material: steel with casting\/forged construction\u003c\/li\u003e\n\u003cli\u003eBall joint included with threaded stud and press-in mounting type\u003c\/li\u003e\n\u003cli\u003ePre-greased design with dust boot included\u003c\/li\u003e\n\u003cli\u003eBushings included, with rubber bushing material and black finish\u003c\/li\u003e\n\u003cli\u003eAdjustable assembly with mounting hardware included\u003c\/li\u003e\n\u003cli\u003eLocking nut included\u003c\/li\u003e\n\u003cli\u003eGreaseable: no\u003c\/li\u003e\n\u003cli\u003eSteering type: power\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed OE Replacement Design\u003c\/h2\u003e\u003cp\u003eDelphi TC7053 is engineered for the front left upper suspension position on Mercedes-Benz S550, S550e, S600, and Maybach S-Class models listed above. Delphi applies OE-focused dimensional and material analysis to help maintain proper fit and suspension alignment, while the painted steel arm, chloroprene rubber dust boot, and premium-grade components are built for demanding road conditions. The assembly is tested across extreme temperature ranges and extended salt-spray exposure to reflect the durability expectations of OE-style steering and suspension parts. This part cross-references MOOG Chassis Products RK623921 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Suspension Issues This Part Addresses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront-end clunking or knocking from a worn upper control arm or ball joint\u003c\/li\u003e\n\u003cli\u003eExcessive play in the front left upper suspension joint\u003c\/li\u003e\n\u003cli\u003eUneven tire wear caused by worn bushings or ball joint movement\u003c\/li\u003e\n\u003cli\u003eSteering wander or reduced straight-line stability\u003c\/li\u003e\n\u003cli\u003eAlignment problems after suspension wear on Mercedes-Benz S-Class and Maybach models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstall TC7053 on the front left upper position only. Because this assembly is adjustable, a professional wheel alignment should be performed after installation. Verify that the mounting hole diameter, bushing dimensions, and ball joint stud type match the vehicle before installation. The pre-greased, non-greaseable design is intended for sealed service, so do not add grease to the joint.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDelphi backs this suspension control arm and ball joint assembly with OE-focused engineering and validation. The part is subjected to temperature cycling below -40 degrees C and above 120 degrees C, along with 720 hours of salt-spray exposure, to help confirm durability for real-world use on Mercedes-Benz Maybach S560, S650, and related S-Class applications.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":52435697991861,"sku":"BBMX-TC7053","price":271.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_TC7053_Ang.jpg?v=1777862728","url":"https:\/\/www.partcatalog.com\/products\/delphi-tc7053-suspension-control-arm-and-ball-joint-assembly-front-left-upper","provider":"PartCatalog","version":"1.0","type":"link"}