{"product_id":"trq-front-upper-forward-tension-control-arm-passenger-side-direct","title":"TRQ Front Upper Forward Tension Control Arm Passenger Side - Direct","description":"\u003cp\u003eIn this review the TRQ Front Upper Forward Tension Control Arm for the passenger side is assessed for drivers who need a direct replacement part for 4Matic Mercedes models. The bottom line: this control arm is for DIY mechanics and independent shops that want a pre-assembled, direct-fit replacement that mirrors OE fit and finish. Our review finds it best where fit accuracy and ease of installation matter most, and where value-conscious buyers appreciate a part that arrives ready to install with clear compatibility for several E and CLS 4Matic model years.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect fit replacement:\u003c\/strong\u003e Pre-assembled to match the original geometry so installers can swap it in without modifications for a secure fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide compatibility:\u003c\/strong\u003e Lists fitment for multiple model years including E350, E550, CLS550 and CLS400 4Matic variants so buyers can confirm fit against their vehicle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrusted reference numbers:\u003c\/strong\u003e Multiple reference numbers are provided so technicians can cross-check parts catalogs and confirm compatibility quickly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY support:\u003c\/strong\u003e The brand emphasizes DIY videos and installation guidance which helps independent installers and home mechanics view before they do the job.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability focus:\u003c\/strong\u003e Built as a replacement control arm intended to replicate the original component's strength for suspension stability and long service life.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis control arm is aimed at owners of 4Matic Mercedes E and CLS series who need a passenger-side front upper forward replacement and prefer a part that fits without extensive adjustment. It is especially useful for DIYers who value video support and for independent shops looking to source a cost-effective direct-fit replacement.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include buyers who require a brand-new factory OEM numbered part for warranty parity or drivers needing a custom or performance-tuned suspension component; this is a like-for-like replacement part rather than an upgrade part.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGood fit with many customers reporting the part matches original components closely.\u003c\/li\u003e\n\u003cli\u003ePre-assembled design saves installation time and reduces the need for alignment of subcomponents.\u003c\/li\u003e\n\u003cli\u003eStrong value proposition compared with dealer-sourced parts for the same applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSome customers have reported ball joint issues, so inspecting the joint on delivery is recommended.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTRQ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eFront passenger side upper forward control arm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Models\u003c\/td\u003e\n\u003ctd\u003eMercedes Benz E350\/E550\/E400 and CLS400\/CLS550 4Matic (select years)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment Years\u003c\/td\u003e\n\u003ctd\u003e2010-2018 (varies by model)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReference Numbers\u003c\/td\u003e\n\u003ctd\u003eRK622445, 2123303211, 102-7958, 512-59688R, 524-542, CMS101389\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-assembled\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe TRQ Front Upper Forward Tension Control Arm is a sensible replacement choice for owners of compatible Mercedes 4Matic models who want a direct-fit, pre-assembled control arm with DIY guidance. It delivers solid value and reliable fit for routine suspension repairs, though buyers should check the ball joint on arrival and confirm fitment against the full compatibility chart for their exact model year.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this control arm fit my E350 2012 4Matic?\u003c\/strong\u003e\u003cbr\u003eCheck the compatibility list; the part is listed for 2010-12 E350 4Matic front passenger upper forward positions and should fit when matched to your vehicle VIN and model variant.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the part include a ball joint?\u003c\/strong\u003e\u003cbr\u003eYes, it is supplied as a control arm with ball joint in a pre-assembled configuration, but inspect the joint on delivery for shipping damage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs installation difficult for a home mechanic?\u003c\/strong\u003e\u003cbr\u003eInstallation is straightforward for someone with suspension experience and tools; the brand provides DIY videos to help visualize the process beforehand.\u003c\/p\u003e","brand":"TRQ","offers":[{"title":"Default Title","offer_id":48195344564443,"sku":"B09HWSLZCT","price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/41bgTYE1ztL._AC_SL1500.jpg?v=1770319875","url":"https:\/\/gearmusthave.com\/products\/trq-front-upper-forward-tension-control-arm-passenger-side-direct","provider":"GearMustHave","version":"1.0","type":"link"}