Moog RK641420 Suspension Control Arm - Rear Right Rearward Upper

Mercedes-Benz Rear Right Upper Control Arm

Moog RK641420 is a rear right rearward upper suspension control arm for select Mercedes-Benz models. Built with forged aluminum and rubber bushings, it is engineered for structural strength and corrosion protection in the rear suspension.

Key Features

• Forged aluminum construction for a rigid, lightweight control arm design
• Rubber bushings included for rear suspension articulation and noise control
• Black finish for added corrosion resistance
• Direct replacement for the rear right rearward upper position
• Fits select Mercedes-Benz C300, E350, GLC300, CLS550, and related applications
• Moog RK641420 cross-references Dorman OE Solutions 522-900 for the same application

Detailed Description

This Moog suspension control arm is built for the rear right rearward upper location on select Mercedes-Benz C300, C350, C250, C63 AMG, C230, E350, E400, E550, E250, E300, E450, GLC300, GLC350e, CLS550, CLS400, CLS450, C350e, and C400 applications. The forged aluminum body supports structural integrity, while the included rubber bushings help maintain proper suspension movement and isolation. Moog RK641420 is a practical OE-style replacement for drivers servicing rear suspension wear on Mercedes-Benz platforms.

What It Helps Address

• Rear suspension looseness or play at the upper control arm mount
• Clunking or knocking from worn bushings
• Uneven rear tire wear caused by suspension geometry issues
• Handling instability from a worn rear right rearward upper arm
• Corrosion-related replacement needs on the rear suspension

Installation Notes and Tips

Fits 2008-2019 Mercedes-Benz C300, rear right rearward upper. Fits 2010-2016 Mercedes-Benz E350, rear right rearward upper. Fits 2016-2019 Mercedes-Benz GLC300, rear right rearward upper. Fits 2012-2018 Mercedes-Benz CLS550, rear right rearward upper. Fits 2008-2015 Mercedes-Benz C350, rear right rearward upper. Verify the rear right rearward upper position before installation and inspect adjacent bushings and mounting points for wear. Mounting hardware is not included.

Quality Assurance

Moog premium control arms for foreign and domestic nameplates are engineered for structural strength and corrosion protection. RK641420 is built as a replacement suspension control arm for Mercedes-Benz rear suspension service and is designed to meet OEM standards for the listed applications.