Rear Wishbone Mercedes W221 Left N/S Upper Control Arm Axle Joint A2223500132

Rear Wishbone Mercedes W221 Left N/S Upper Control Arm Axle Joint is a component from the Control arms and ball joints group, designed to operate in the rear, left section of the suspension. Engineered for Mercedes models, it ensures precise wheel guidance, body stability, and predictable vehicle handling while driving.

Specifications and technical data

• SKU: A2223500132
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2223500132
• Substitutable numbers: A2223500132, A 222 350 01 32, BG
• Location on the vehicle: Rear, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension

The presented wishbone with a ball joint operates in the rear suspension area on the left side, responsible for maintaining proper wheel geometry and controlling the oscillating movement of the hub. Thanks to its precisely selected design, it reduces unwanted play, which translates into stable vehicle handling, especially during braking, acceleration, and driving over uneven surfaces.

This component is crucial for maintaining correct toe and camber angles, and its efficiency affects:

• even tire wear,
• steering precision in corners,
• the effectiveness of safety systems such as ABS or ESP.

Compatibility and fitment for Mercedes W221

Rear Wishbone Mercedes W221 Left N/S Upper Control Arm Axle Joint has been developed with the suspension design used in this generation of luxury sedans in mind. The appropriate mounting points and arm geometry allow for proper fitment with factory suspension components without the need for modifications. The use of a dedicated ball joint enables smooth suspension movement throughout the full range of operation while maintaining the required joint stiffness.

By maintaining factory characteristics, it is possible to achieve alignment parameters consistent with the manufacturer's recommendations after installation, which is important for both ride comfort and the durability of other chassis components.

Performance characteristics and installation benefits

The wishbone integrated with a ball joint on the rear left axle directly affects the perceived suspension stiffness and the car's response to steering inputs. A correctly selected and functional component helps to reduce:

• knocking and play in the rear suspension,
• body "wandering" at higher speeds,
• unstable vehicle behavior on uneven surfaces.

Replacing a worn wishbone with a properly matched component allows for restoring predictable handling and improving ride comfort. This is particularly important in premium class vehicles, where high suspension refinement and directional stability are expected.

Component condition and technical aspects

The offered component comes from the used parts group, which allows for an economical restoration of suspension efficiency while maintaining proper fitment for the specific model. For rear axle components, it is essential to perform a geometry check after installation, which will enable full utilization of the structural properties of the wishbone and ball joint.

The product belongs to the Control arms and ball joints category, meaning it works in conjunction with other suspension system elements, such as shock absorbers, springs, or stabilizers, creating a cohesive system responsible for wheel contact with the road surface and driving safety.

Technical support and additional information

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

For a better understanding of the role of these types of components in the entire chassis system and the impact of their condition on safety, it is worth reading the guide: Suspension system – a comprehensive guide to shock absorbers, wishbones, and stabilizers. If you are considering the choice between new parts, replacements, or aftermarket parts, the article Original, replacement, or used – which car parts are the most cost-effective? may also be helpful, as it discusses the differences in costs, quality, and fitment based on manufacturer markings.