Mercedes W204 Wishbone Control Arm C63 AMG Rear Suspension Right O/S Upper Strut

The Mercedes W204 C63 AMG Upper Rear Right Control Arm is a component from the Control Arms and Ball Joints group, designed for the rear right side of the suspension in the W204 series C63 AMG model. The precise geometry of this control arm supports stable handling, correct wheel alignment, and predictable vehicle behavior during dynamic driving.

Specifications and technical data

• SKU: A2043500892
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2043500892
• Substitutable numbers: A2043500892, A 204 350 08 92
• Location on the vehicle: Rear, Right
• Category: Control Arms, Ball Joints & Assemblies

Purpose and Function in Suspension

The upper rear control arm in the C63 AMG is responsible for maintaining proper suspension kinematics during acceleration, braking, and cornering. Its placement on the vehicle in the rear – right side area means this component directly influences:

• maintaining correct toe and camber angles,
• body stability during load changes,
• even tire wear and predictable traction.

For AMG versions, where the suspension operates under higher loads, the proper condition of the upper control arm is particularly crucial for maintaining the car's sporty character.

Compatibility and Fitment

The presented control arm has been specifically designed for the Mercedes W204 C63 AMG platform, taking into account the characteristics of this model's rear axle. Proper fitment to the mounting points on the body and steering knuckle allows for:

• trouble-free installation without structural modifications,
• maintaining factory suspension geometry,
• compatibility with standard drivetrain components.

This makes the control arm the right choice when replacing a worn component in vehicles used both in regular road traffic and in more demanding conditions.

Characteristics of a Used Component

The offered control arm is from the used parts segment, allowing for a more economical repair while maintaining proper fitment for the specific model. This type of component is a good solution when the priority is:

• maintaining conformity with the original suspension design,
• reducing service costs while preserving correct functionality,
• replacing a single component without affecting other sub-assemblies.

The upper rear control arm is particularly susceptible to loads resulting from suspension operation, so its replacement when there are play or damage directly impacts driving comfort and precision.

Importance for Safety and Handling

A functional upper rear right control arm in the C63 AMG helps maintain straight-line stability, especially at higher speeds and during sudden maneuvers. Replacing a worn component with a correctly chosen part from the Control Arms and Ball Joints group allows for:

• reducing unwanted vibrations and knocking from the rear suspension,
• improving the car's response to steering inputs,
• increasing the predictability of the vehicle's behavior over uneven surfaces.

For C63 AMG drivers who expect precise handling and confidence in corners, the proper condition of the upper rear control arm is a key element in maintaining the car's character.

Further Knowledge and Part Selection

To better understand the role of control arms in suspension operation and the symptoms of their wear, it is worth consulting a guide on the drivetrain – practical information can be found in the article Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers, which discusses, among other things, the principles of diagnosing and operating suspension components in various models.

If you are planning a comprehensive repair or upgrade of the rear axle suspension area in your Mercedes and need other parts 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.

When deciding on a suspension component, a purchasing guide discussing the cost-effectiveness of different types of parts can also be helpful – more information can be found in the material Original, Aftermarket, or Used – Which Car Parts Are Most Cost-Effective?, which compares, among other things, cost aspects and fitment issues by part numbers.