Mercedes W211 Wishbone Control Arm Suspension Rear Right O/S A2303502806

The Mercedes W211 Rear Right Upper Control Arm is an original suspension component from the Control Arms and Ball Joints group, designed for the rear right side of the suspension. Engineered by the vehicle manufacturer, it ensures proper axle geometry, stable handling, and predictable vehicle behavior while driving. This is a practical solution for users who want to restore their Mercedes' factory handling parameters.

Specifications and technical data

• SKU: A2303502806
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2303502806
• Substitutable numbers: A2303502806, A 230 350 28 06
• Location on the vehicle: Rear, Right
• Category: Control Arms, Ball Joints & Assemblies

Purpose and Function in the Suspension

The presented control arm operates in the rear suspension on the right side, responsible for maintaining the correct wheel position relative to the body. A properly selected component from this group is crucial for:

• maintaining correct toe and camber angles,
• vehicle stability during acceleration and braking,
• even tire wear,
• reducing unwanted play and knocking in the rear axle.

Thanks to its design conforming to the factory suspension specifications of Mercedes, the control arm works with other suspension components, such as springs, shock absorbers, and other ball joints, creating a cohesive and predictable steering system.

Benefits of Using an Original Control Arm

Using an original control arm in the Mercedes W211 allows you to maintain the driving parameters intended by the manufacturer. In practice, this means:

• better vehicle control at higher speeds,
• more precise steering responses,
• reduction of vibrations and noises transmitted from the rear axle,
• consistent operation with factory safety systems.

Control Arms and Ball Joints in this model operate under demanding conditions, making the selection of a component that matches the suspension design important for both driving comfort and safety.

Component Condition and Installation Aspects

The offered control arm is a used part, allowing for economical suspension repair while maintaining the original design. Before installation, it is recommended to perform a standard check of the mounting points and cooperating ball joints and bushings to ensure the entire system operates smoothly. After replacing the control arm, it is advisable to perform a rear axle alignment to fully utilize the potential of the newly installed component.

Technical Support and Suspension Knowledge

If you want to better understand the role of control arms in the Mercedes W211 and the impact of the suspension on driving safety, consult our guide: Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers. You will find practical tips on diagnosing and operating suspension components in popular models.

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