Control Arm Mercedes W211 W219 Wishbone Rear Axle Suspension Set A2303502006

Control Arm Mercedes W211 W219 Wishbone Rear Axle Suspension Set is a set of components from the Control arms and ball joints group, designed for the rear axle of Mercedes vehicles. The set ensures stable wheel guidance, improves steering precision, and allows for the restoration of proper rear axle suspension geometry.

Specifications and technical data

• SKU: A2303502006
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2303502006
• Substitutable numbers: A2303502006, A 230 350 20 06, A2303520088, A 230 352 00 88
• Location on the vehicle: Rear
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the rear axle suspension

The rear suspension control arm set for Mercedes E-Class W211 and CLS W219 models is responsible for controlling the wheel position relative to the body, transferring road loads, and maintaining proper toe and camber angles. These components work in conjunction with shock absorbers, springs, and other suspension parts to form a cohesive system responsible for vehicle stability during acceleration, braking, and cornering.

Thanks to the properly selected geometry of the control arm arms, the rear wheels maintain predictable handling, which translates into confident vehicle behavior on the road and even tire wear.

Technical characteristics and installation

The set is intended for installation in the rear suspension area, replacing the factory control arms provided by the vehicle manufacturer. The design, based on solutions used in original Mercedes suspension systems, ensures a proper fit to the mounting points on the body and steering knuckle, which facilitates the mechanic's work and reduces service time.

After installation, it is recommended to perform a rear axle wheel alignment to fully utilize the potential of the set and achieve correct toe and camber values. A properly adjusted suspension system contributes to:

• driving stability at higher speeds,
• better traction on uneven surfaces,
• more predictable behavior in corners,
• reduction of excessive tire wear.

Benefits of using a complete set

Using a complete rear suspension control arm set in a single service step allows for a consistent refresh of the entire system's operation. Replacing all related components at once reduces the risk of play developing at various mounting points and facilitates subsequent diagnostics of any noises or vibrations.

The main advantages of using this set include:

• restoration of proper rear suspension operation in Mercedes W211 and W219 vehicles,
• increased driving comfort due to better damping of vibrations transmitted from the road surface,
• more precise vehicle handling, especially noticeable during dynamic driving,
• reduction of unwanted knocking and play resulting from the wear of metal-rubber components.

Component condition and use in service practice

The control arm set comes from the used parts group, making it an attractive solution in situations where the priority is to optimize repair costs while maintaining structural compatibility with the factory suspension system. Such components are often chosen for post-accident repairs, fleet vehicle renovations, or stage-by-stage suspension rebuilding in daily-driven cars.

In workshop practice, this type of set works well both for standard replacement of worn components and for more extensive work related to geometry correction after bodywork repairs to the rear of the vehicle.

Technical support and component selection

To better understand the role of control arms in the entire chassis system and the relationships between shock absorbers, control arms, and stabilizers, it is worth using educational materials. A practical supplement to this knowledge is the article: Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which discusses, among other things, issues related to the suspension in Mercedes E-Class models.

Related Mercedes suspension components

If you are planning a comprehensive repair or upgrade of the suspension zone in your Mercedes and need other components from the same group, such as additional control arms, ball joints, or related guiding elements, check the available parts in the Mercedes control arms and ball joints category.