Mercedes W211 W219 Control Arm Cover Left Right Rear Wishbone A2113520388

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W211 W219 Control Arm Cover Left Right Rear Wishbone is an original component from the Control arms and ball joints group, designed to protect the rear suspension in Mercedes vehicles. The set includes covers for both the right and left sides of the rear axle, which allows for consistent, technically correct maintenance of the entire suspension zone and limits the impact of contaminants on the operation of the control arms.

Specifications and technical data

• SKU: A2113520388
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2113520388
• Substitutable numbers: A2113520388, A 211 352 03 88
• Location on the vehicle: Rear, Right, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension system

The rear axle control arm covers are responsible for providing a physical barrier between the working elements of the suspension and the external environment. They protect the control arms and the ball joints working with them from water, mud, road salt, and small debris from the road surface. As a result, they reduce the accelerated wear of metal-rubber components and help maintain stable vehicle handling.

The presented set includes elements mounted at the rear of the vehicle on the right and left sides, which enables simultaneous maintenance of the entire axle. This approach is beneficial both from a technical and economic perspective – after replacement, both sides operate under similar conditions, and the suspension characteristics remain more predictable.

Compatibility and fit for Mercedes W211 W219

Mercedes W211 W219 Control Arm Cover Left Right Rear Wishbone has been designed as a part compatible with the factory suspension geometry of Mercedes. The appropriate shapes of the mounts and guides allow for correct seating of the covers relative to the control arms and the body, without the need for vehicle structure modifications. Maintaining the manufacturer's original design translates into proper cooperation with other rear suspension components.

The original origin from the Mercedes group promotes proper fitment with existing mounting points. In practice, this means reducing the risk of unwanted play, rubbing against other components, and unnatural stresses in the mounting zone, which is important for the durability of the entire system.

Performance characteristics and benefits of installation

Replacing worn or damaged control arm covers with a functional set contributes to the long-term protection of the rear suspension. Limiting the direct contact of control arms and ball joints with external factors helps maintain:

• more stable operating parameters of the joints over a long service life,
• more uniform wear of metal-rubber elements,
• lower risk of corrosion in the mounting and guide zones,
• consistent vehicle behavior during braking and overcoming bumps.

For the user, this means more predictable car reactions, especially with a loaded rear axle, and less frequent service interventions in the suspension area. Using a complete set for the rear axle also facilitates visual inspection – both sides are of a similar service age, which simplifies subsequent diagnostics.

Component condition and installation aspects

The presented product is offered as a used part, which allows for economical repair while maintaining the original design. This type of solution is often chosen for vehicles used intensively, where both technical compliance and rational maintenance costs are important.

Installation of control arm covers on the rear axle requires standard service procedures within the suspension. It is recommended that the work be performed by a workshop with experience in Mercedes designs, which facilitates the correct positioning of the elements relative to the control arms and the body, as well as the inspection of any additional damage in the mounting zone.

Technical support and knowledge expansion

For users who want to better understand the role of covers, control arms, and ball joints in the entire chassis system, a guide dedicated to suspension will be helpful. A detailed discussion of the operation of shock absorbers, control arms, and stabilizers can be found in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which allows for informed service planning.

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