Moog RK643712 Suspension Control Arm - Front Left Lower Rearward

Moog RK643712 Control Arm for Mercedes-Benz

Moog RK643712 is a premium suspension control arm built for foreign and domestic nameplates, with structural strength and corrosion protection in mind. It is a direct-fit replacement for select Mercedes-Benz E-Class applications, including front left lower rearward positions on 2014-2016 Mercedes-Benz E250, E350, and E400 models.

• Premium-grade suspension control arm for OE-style replacement
• Engineered for structural strength in demanding front suspension service
• Corrosion protection helps support long-term durability
• Fits 2014-2016 Mercedes-Benz E250, front left lower rearward
• Fits 2014-2016 Mercedes-Benz E350, front left lower rearward
• Fits 2014-2016 Mercedes-Benz E400, front left lower rearward

Detailed Fitment and Application

This Moog control arm, part number RK643712, is built for the front left lower rearward suspension position on Mercedes-Benz E250, E350, and E400 models from 2014 through 2016. It is a practical replacement for worn or damaged suspension components on the Mercedes-Benz E-Class platform, and the RK643712 part number is useful when matching the correct front suspension control arm for these applications. This part cross-references Dorman - OE Solutions 522-715 for the same application.

Common Issues This Part Can Address

• Excessive front suspension play or looseness
• Clunking or knocking from the front left suspension area
• Uneven tire wear related to worn control arm components
• Steering instability or wandering caused by suspension wear
• Corrosion-related replacement needs on the front suspension

Installation Notes and Tips

Verify the vehicle year, model, and front left lower rearward position before ordering. On Mercedes-Benz E250, E350, and E400 applications, suspension alignment should be checked after control arm replacement to confirm proper geometry and tire wear characteristics. Inspect related bushings, ball joints, and mounting points during service to avoid repeat repairs. Confirm RK643712 against the original part number and vehicle build details before installation.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, making RK643712 a dependable OE-style suspension replacement for select Mercedes-Benz E-Class vehicles. The RK643712 part number is also a useful reference when comparing replacement options for the same front suspension application.