Mercedes-Benz W221 Front Right O/S Lower Track Control Arm Wishbone A2213308207

Mercedes-Benz W221 Front Right O/S Lower Track Control Arm Wishbone is a component from the Control arms and ball joints group, designed for operation in the front suspension on the right side. It enables precise wheel steering, stabilizes geometry, and supports safe vehicle behavior during braking and cornering.

Specifications and technical data

• SKU: A2213308207
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2213308207
• Substitutable numbers: A2213308207, A 221 330 82 07
• Location on the vehicle: Front, Right
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension

The presented control arm has been designed specifically for Mercedes W221 class models, where it is responsible for a stable connection between the steering knuckle and the body in the front, right, lower part of the suspension. Its design transfers vertical and lateral loads, maintaining the correct camber and toe-in, which translates into predictable vehicle handling.

The placement on the vehicle in the Front, Right zone means that this component has a significant impact on the car's behavior during dynamic maneuvers, lane changes, or emergency braking. A functional control arm limits unwanted play, reduces vibrations transmitted to the body, and supports even tire wear.

Technical characteristics and fitment

The control arm belongs to the specialized Control arms and ball joints group, which means it has been constructed to work in demanding suspension operating conditions. The properly selected arm geometry ensures correct cooperation with other system components, such as the shock absorber, spring, or stabilizer.

As a part dedicated to a specific axle and side of the vehicle, the control arm is optimized for installation at factory mounting points. This makes it possible to maintain the design handling characteristics without the need to modify other suspension components.

Condition of the component and service application

The offered control arm is a used product, which makes it an attractive service solution for users looking for parts with a favorable price-to-functionality ratio. This type of component can be used both for standard replacement of worn parts and for post-accident repairs, where restoring correct suspension geometry is crucial.

Replacing the control arm on the front axle is particularly recommended when symptoms such as knocking on uneven surfaces, unstable handling, vehicle pulling to one side, or uneven tread wear appear. Using a properly selected component allows for restoring predictable vehicle behavior and improving driving comfort.

Benefits of using the correct control arm

• More stable handling – a correctly selected control arm supports maintaining wheel geometry under a wide range of loads.
• Better vehicle control – especially during braking and rapid changes in driving direction.
• Reduction of vibrations and noise – proper suspension operation translates into higher acoustic comfort inside the vehicle.
• Support for even tire wear – correct wheel angle settings reduce the risk of premature tread wear.

Technical support and additional materials

To better understand the role of control arms in suspension operation and the symptoms of their wear, it is worth referring to specialized technical materials. Practical tips regarding diagnostics and operation of components such as shock absorbers, control arms, or stabilizers can be found in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which discusses key issues related to safety and driving comfort in an accessible way.

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