Moog RK623657 Suspension Control Arm and Ball Joint Assembly - Front Lower Rearward

Mercedes-Benz Front Lower Rearward Control Arm

Moog RK623657 is a premium suspension control arm and ball joint assembly for select Mercedes-Benz applications. It is built for structural strength and corrosion protection, with the ball joint and bushings included for a direct replacement on the front lower rearward position.

Key Features

• Premium-grade suspension control arm and ball joint assembly
• Ball joint included for complete front lower rearward service
• Bushings included for a ready-to-install replacement
• Engineered for structural strength and corrosion resistance
• Direct fit for select Mercedes-Benz C300, E-Class, CLS, and GLC models

Detailed Description

Moog RK623657 is a front lower rearward control arm assembly for Mercedes-Benz vehicles that require a premium replacement in the suspension system. This part number is commonly searched for Mercedes-Benz C300 front lower rearward control arm replacement, Mercedes-Benz GLC300 suspension control arm and ball joint assembly, and Mercedes-Benz E300 front lower rearward control arm fitment. It also cross-references Dorman - OE Solutions 526-289 for the same application.

Built as a premium suspension component, RK623657 combines the control arm, ball joint, and bushings into one service part. That makes it a practical choice when restoring steering response, suspension geometry, and front-end stability on the affected Mercedes-Benz models. The Moog RK623657 part number is also associated with OE-style replacement needs where corrosion protection and structural durability matter.

What It Helps Address

• Front-end clunking or knocking from worn suspension joints
• Excessive play in the front lower rearward suspension position
• Uneven tire wear caused by worn control arm bushings or ball joint wear
• Loose or imprecise steering feel on affected Mercedes-Benz models
• Suspension noise during braking, turning, or road impacts

Installation Notes and Fitment

• Fits 2015-2020 Mercedes-Benz C300, Front Lower Rearward
• Fits 2019-2020 Mercedes-Benz CLS450, Front Lower Rearward
• Fits 2020 Mercedes-Benz E350, Front Lower Rearward
• Fits 2019-2020 Mercedes-Benz E450, Front Lower Rearward
• Fits 2016-2020 Mercedes-Benz GLC300, Front Lower Rearward
• Fits 2018-2020 Mercedes-Benz GLC350e, Front Lower Rearward
• Fits 2017-2019 Mercedes-Benz E300, Front Lower Rearward
• Fits 2017-2018 Mercedes-Benz E400, Front Lower Rearward
• Fits 2015 Mercedes-Benz C400, Front Lower Rearward

Verify the front lower rearward position before installation and inspect related suspension hardware, alignment angles, and adjacent wear points. This part is a direct replacement for the listed Mercedes-Benz applications and should be installed according to vehicle-specific service procedures.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection. RK623657 is a premium-grade suspension replacement built for the listed Mercedes-Benz applications and includes the ball joint and bushings as part of the assembly.