Rear Wishbone Mercedes SLK R172 Upper Control Arm Tension Strut A1723500406

Description

Mercedes SLK R172 Upper Control Arm Rear Left Right is an original part from the Control Arms and Ball Joints group, designed for the rear axle of the vehicle. Designed by Mercedes, it ensures proper suspension geometry, stable handling, and predictable car behavior in corners.

Specifications and technical data

• SKU: A1723500406
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1723500406
• Substitutable numbers: A1723500406, A 172 350 04 06
• Location on the vehicle: Rear
• Category: Control Arms, Ball Joints & Assemblies

Purpose and Function in Suspension

The presented upper control arm operates in the rear part of the suspension, responsible for precise wheel guidance relative to the body. Its task is to maintain correct camber and toe angles, which translates to:

• driving stability at higher speeds,
• even tire wear,
• better traction during acceleration and braking,
• increased predictability of the car’s response to steering inputs.

The part can be used on the left or right side of the rear axle, which simplifies part selection during suspension service.

Benefits of Using an Original Control Arm

Using an original control arm in the Mercedes SLK R172 allows for the preservation of factory handling characteristics. The design is matched to the body’s geometry and the operation of other suspension components, ensuring that:

• compatibility with factory mounting points is maintained,
• the risk of incorrect geometry alignment is reduced,
• consistent operation with other control arms and ball joints is maintained,
• the transfer of unwanted vibrations to the body is minimized.

For the user, this means more confident handling, especially in emergency situations and during dynamic driving.

Condition, Fitment, and Installation

The offered control arm is a used part from disassembly, allowing for economical repair while maintaining original manufacturing quality. The design is intended for installation in the rear of the vehicle, using factory mounting points, which facilitates the mechanic’s work and reduces service time.

Before installation, a standard inspection of other suspension components is recommended, and after replacement – a wheel alignment should be performed to fully utilize the potential of the newly installed control arm.

Technical Support and Suspension Knowledge

To better understand the role of control arms in the operation of the entire drivetrain and the symptoms of their wear, it is worth consulting specialized materials. Practical information on the diagnostics and operation of suspension components can be found in the article Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers, which discusses, among other things, issues related to control arms in premium cars.

Expanding Mercedes Suspension Service

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 guiding elements, check the available parts in the Mercedes Control Arms and Ball Joints category.