Mercedes W204 Rear Wishbone Control Arm Axle Left Right N/O/S A2043521488

Mercedes W204 Rear Lower Control Arm Right A2043520605 is a component from the control arms and ball joints category, designed for the rear axle of Mercedes vehicles. This is a used, original part that helps restore proper suspension geometry and stable vehicle handling. Thanks to its factory design, the control arm ensures predictable car behavior during braking, acceleration, and cornering.

Specifications and technical data

• SKU: A2053506303-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2053506303
• Substitutable numbers: A2053506303, A 205 350 63 03, A2043502706, A 204 350 27 06, A2043521488, A 204 352 14 88, A2043521205, A 204 352 12 05
• Location on the vehicle: Rear, Right, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and Placement in Suspension

The presented control arm is designed for the rear suspension, on the right side, with the possibility of application on the left side as well, according to the placement marking on the vehicle. It is responsible for maintaining the correct wheel position relative to the body and for transferring loads generated during driving. A correctly selected and installed control arm limits unwanted play, which translates to stable handling and even tire wear.

Construction and Technical Characteristics

The control arm belongs to the group of load-bearing suspension elements that work in conjunction with ball joints and metal-rubber bushings. The construction is optimized for rigidity and resistance to variable loads, typical for the rear axle of premium cars. The use of the original arm geometry allows for maintaining factory convergence and camber values after adjustment at a diagnostic station.

Thanks to precise fitting to the Mercedes platform, the control arm collaborates with other suspension elements without requiring modifications. This solution facilitates quick installation for mechanics and reduces the risk of compatibility issues.

Benefits of Using an Original Mercedes Control Arm

Using this control arm in your Mercedes allows you to:

• maintain the vehicle's factory driving characteristics,
• reduce vibrations and unwanted noises from the rear axle,
• limit excessive tire wear resulting from incorrect geometry,
• ensure proper cooperation with ball joints and other suspension components.

For users who value driving precision and predictable car behavior, choosing an original control arm from this series is a technically safe and functionally justified solution.

Condition, Origin, and Practical Application

The offered part comes from the Mercedes parts line and is classified in the control arms and ball joints category. As a used part, it represents an attractive cost alternative to new components, while maintaining a construction consistent with the manufacturer's factory specifications. It is a good solution for both standard suspension repairs and comprehensive rear axle overhauls in daily driven cars.

The control arm is suitable for situations where symptoms such as rear-end instability, pulling to the sides, uneven tire wear, or knocking over bumps occur. Replacing a worn component with an original part of this type restores the suspension's correct operating parameters.

Related Products and Technical Knowledge

If you are looking for other Mercedes control arms and ball joints, check out our dedicated category: Mercedes control arms and ball joints. There you will find a wide selection of suspension components tailored to various models of this brand.

Do you want to better understand the role of control arms in the suspension system and the symptoms of their wear? Check out our guide: Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers, which discusses practical aspects of diagnosing and operating suspension components in popular car models.

If you are interested in the topic of using used components when refreshing older Mercedes and other premium cars, the article: Second Life for Youngtimers – How Used Car Parts Revitalize Cars from 1998–2012, which describes modernization scenarios and selection of parts from the aftermarket, may be helpful.