Mercedes W204 Rear Wishbone Control Arm Axle Right O/S Bottom Joint A2043520605

Mercedes W204 Rear Wishbone Control Arm Axle Right O/S Bottom Joint is a component from the Control arms and ball joints group, designed for operation in the rear, right section of the suspension. Thanks to its factory geometry and design compliant with the manufacturer's standards, it ensures stable vehicle handling, precise wheel alignment, and predictable body behavior while driving.

Specifications and technical data

• SKU: A2053506303
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2053506303
• Substitutable numbers: A2053506303, A 205 350 63 03, A2043520605, A 204 352 02 88
• Location on the vehicle: Rear, Right
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension

The presented control arm is dedicated for installation in the rear, right part of the suspension, at the lower mounting point. It is responsible for maintaining the correct position of the wheel relative to the body, transferring lateral and longitudinal loads, and working in conjunction with other suspension components, such as springs, shock absorbers, and other control arms.

A correctly selected rear right lower control arm contributes to:

• driving stability at higher speeds,
• even tire wear,
• steering precision in corners,
• effective damping of vibrations transmitted from the road surface.

Technical characteristics and fitment

The control arm comes from the Mercedes range, which means it maintains the original geometry and compatibility with the factory suspension system. The component is designed to work with standard mounting points in the body and steering knuckle, ensuring that installation is predictable for the mechanic and does not require structural modifications.

The product has an assigned OEM part number and interchangeable numbers, which facilitates clear identification and selection of the correct component for a specific vehicle configuration. Using the correct control arm in the rear, right part of the suspension minimizes the risk of incorrect geometry settings and reduces the need for additional adjustments after installation.

Condition of the component and benefits of choosing a used part

The offered control arm is used, which allows for an economical suspension repair while maintaining the manufacturer's original specifications. In practice, this means a favorable cost-to-quality ratio and the ability to restore the proper operation of the system without the need to resort to replacements with uncertain parameters.

Choosing an original, used rear right lower control arm is particularly beneficial in situations where you want to:

• preserve the factory driving characteristics of the car,
• reduce repair costs while maintaining OEM standards,
• easily verify fitment based on the OEM part number and interchangeable numbers.

The importance of proper control arm condition for safety

Control arms and ball joints are key elements responsible for the contact of the wheels with the road surface and vehicle stability. A worn or damaged control arm in the rear, right part of the suspension can lead to incorrect wheel alignment, impaired traction, increased braking distance, and increased tire wear. Replacing it with a functional component allows for restoring predictable car behavior, which directly translates to the safety of the driver and passengers.

To better understand the role of these types of components in the entire chassis system, it is worth reading the educational material describing the construction and operation of the suspension – you can find it in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers.

Expanding repairs within the Mercedes suspension

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

Summary

Mercedes W204 Rear Wishbone Control Arm Axle Right O/S Bottom Joint is a practical solution for users who want to restore the correct rear axle geometry and handling stability while maintaining manufacturer specifications. A properly selected and installed component from the Control arms and ball joints group is a significant step towards safe, predictable vehicle operation and reducing costs associated with excessive wear of tires and other suspension components.