Control Arm Mercedes W211 W219 Wishbone Rear Suspension Right O/S A2303503606

Control Arm Mercedes W211 W219 Wishbone Rear Suspension Right O/S is an original component from the Control arms and ball joints group, designed for the rear right section of the suspension. Engineered by the vehicle manufacturer, it ensures proper axle geometry, stable handling, and predictable vehicle behavior during daily operation.

Specifications and technical data

• SKU: A2303503606
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2303503606
• Substitutable numbers: A2303503606, A 230 350 36 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 right section of the suspension system, responsible for precise wheel guidance relative to the body. A correctly selected component in this area is crucial for:

• maintaining proper toe-in and wheel alignment angles,
• vehicle stability during braking and acceleration,
• control over the car in corners and during lane changes.

Thanks to a design consistent with factory specifications, the control arm works in harmony with other suspension components, reducing unwanted play and improving ride comfort.

Original origin and fitment

As a component intended for Mercedes vehicles, the control arm is designed for specific mounting points on the body and steering knuckle, which translates into proper fitment without the need for modifications. The original geometry of the arm and mounting sockets ensures:

• compliance with factory suspension parameters,
• proper cooperation with bushings and ball joints,
• appropriate rigidity while maintaining the required flexibility of the system.

This type of component is particularly recommended for repairs where maintaining the handling characteristics intended by the vehicle manufacturer is a priority.

Operational characteristics and installation

The rear right control arm operates in demanding conditions – it transfers vertical, lateral, and longitudinal loads resulting from driving over uneven surfaces, braking, and dynamic maneuvers. A properly selected element helps to reduce:

• excessive tire wear resulting from incorrect geometry,
• knocking and play in the rear suspension,
• deterioration of stability at higher speeds.

After installation, it is recommended to perform a rear axle geometry adjustment to fully utilize the potential of the newly installed control arm and restore proper handling parameters.

Condition and benefits of choosing a used control arm

The item is offered in used condition, which provides a reasonable compromise between repair costs and maintaining the manufacturer's original design. Choosing this solution allows you to:

• reduce service costs while maintaining the factory part design,
• maintain the consistency of the suspension system with other components,
• replace a worn or damaged control arm with a part of matching specifications.

For certainty of fitment, it is worth comparing the current part with the markings on the vehicle – the product has an assigned OEM part number and corresponding interchangeable numbers, which facilitates compatibility verification.

Technical support and additional information

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

To better understand the role of control arms in the operation of the entire system and the symptoms of their wear, it is worth checking out our guide: Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers. You will find practical tips regarding diagnostics and maintenance of suspension in modern cars.