Mercedes V251 Wishbone Control Arm Rear Suspension Left Right N/O/S A1663500053

Mercedes V251 Wishbone Control Arm Rear Suspension Left Right is a component from the Control arms and ball joints group, designed for operation in the rear suspension of the vehicle. Engineered for installation on either the left or right side of the rear axle, it serves as a precise link between the chassis and the wheel, influencing handling stability and the predictable behavior of the car. This solution helps restore proper suspension geometry and reduce excessive play in the steering and suspension system.

Specifications and technical data

• SKU: A1663500053
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1663500053
• Substitutable numbers: A1663500053, A 166 350 00 53
• Location on the vehicle: Rear, Right, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension system

The rear control arm in Mercedes models is responsible for maintaining the correct position of the wheel relative to the chassis during driving, braking, and traversing uneven surfaces. Its placement on the vehicle covers the rear axle, with the possibility of installation on both the right and left sides, which facilitates part selection for axle repairs or when replacing in pairs.

This element works in conjunction with other suspension components, such as other control arms, ball joints, and shock absorbers, creating a cohesive system responsible for:

• maintaining a stable driving path at higher speeds,
• controlling body roll in corners,
• evenly distributing loads to the body,
• reducing unwanted vibrations and noise from the rear axle.

Construction and technical characteristics

The rear suspension control arm is structurally adapted to operate in demanding conditions typical for driven or guided axles in premium class vehicles. The applied mounting geometry allows for proper cooperation with factory mounting points in the chassis and on the steering knuckle, which facilitates service and reduces the time required for replacement.

In practice, this means:

• properly selected length and operating angle of the arm relative to other suspension elements,
• stable wheel guidance during changes in load and driving direction,
• the ability to maintain factory geometry settings after proper installation and adjustment.

Application in the rear axle – right and left side

The presented control arm is intended for installation on the rear axle of the vehicle, with the possibility of use on both sides – left and right. Such a configuration is particularly beneficial for:

• comprehensive replacement of suspension elements after a collision or intensive use,
• symmetrical replacement of paired components to achieve even wear,
• restoring proper vehicle handling after detecting play or deformations in the system.

Thanks to this, it is possible to consistently renew key mounting points of the rear axle, which translates into more predictable vehicle behavior when cornering and driving on uneven surfaces.

Benefits of using an original Mercedes component

Choosing a control arm dedicated to Mercedes allows for maintaining compliance with the factory suspension design. Proper fitment to mounting points reduces the risk of geometry issues and minimizes the need for additional modifications. This solution is particularly beneficial for users who expect:

• consistent vehicle behavior in line with the manufacturer's assumptions,
• stable handling during daily use and long trips,
• easier diagnostics and service in the future.

The element from the Control arms and ball joints group has a direct impact on driving safety, which is why its selection and installation should be carried out in accordance with service procedures and followed by a suspension geometry check.

Condition, installation, and operational tips

The offered control arm is a used part, which in practice allows for economical repair while maintaining compliance with the original suspension design. Before installation, it is recommended to verify the condition of cooperating elements – other control arms, ball joints, and mounts – to avoid a situation where the newly installed component operates in unfavorable conditions.

After installation, it is worth performing:

• a check and potential adjustment of the rear axle geometry,
• verification of bolt tightening torques in accordance with service documentation,
• a test drive to assess stability and vehicle reaction to maneuvers.

To better understand the role of such elements in the entire running gear and the relationships between shock absorbers, control arms, and stabilizers, it is worth reading the guide material Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which discusses practical aspects of suspension diagnostics and operation.

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 links cooperating with the rear axle, check the available parts in the Mercedes Control arms and ball joints category.