Mercedes Benz M ML W164 Rear Left Right Control Arm Upper Wishbone A1643501406

Mercedes W164 Rear Right Left Control Arm is a suspension component from the Shock Absorbers and Struts group, designed for the rear axle of the vehicle. Designed for installation on the right or left side, it ensures stable wheel control and predictable vehicle behavior during acceleration, braking, and over uneven surfaces. This is a practical solution for users looking for a proven, used component with a design that complies with the manufacturer's standards.

Specifications and technical data

• SKU: A1643501406
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1643501406
• Substitutable numbers: A1643501406, A 164 350 14 06
• Location on the vehicle: Rear, Right, Left
• Category: Shocks, Struts & Assemblies

Vehicle Application and Placement

The presented control arm is dedicated to the rear axle of Mercedes vehicles from the W164 series and can be installed on either the right or left side. This solution simplifies part selection for axle repairs, allowing for symmetrical replacement of suspension elements on both sides of the vehicle. Its placement at the rear of the car means the component is responsible for maintaining proper wheel geometry, which translates to predictable handling and even tire wear.

Function in the Suspension System

The rear axle control arm is part of the assembly responsible for transferring loads between the wheel and the body, and for controlling wheel movement in the vertical and horizontal planes. In conjunction with elements from the Shock Absorbers and Struts group, it stabilizes suspension operation, limits unwanted movements, and helps maintain constant tire contact with the road surface. A correctly selected control arm influences:

• maintaining the set toe and camber of the rear axle wheels,
• precise vehicle handling at higher speeds,
• reduction of vibrations transmitted to the body,
• more even wear of tires and suspension components.

Benefits of Using an Original Mercedes Control Arm

Choosing a control arm dedicated to a specific Mercedes generation allows for the preservation of factory suspension performance parameters. The correct arm geometry, mounting points, and interaction with other rear axle components contribute to maintaining the driving characteristics intended by the manufacturer. For the user, this means:

• consistent vehicle behavior in corners and during sudden maneuvers,
• better control over the car on uneven surfaces,
• easier geometry adjustment after installation, without the need for structural modifications.

Additionally, using a component that matches the manufacturer's design reduces the risk of improper fit with the hub, shock absorber, or other rear suspension elements, which is important for servicing premium vehicles.

Product Characteristics and Service Application

The offered control arm is a used part, making it a sensible choice for operational repairs where maintaining correct suspension functionality at optimal costs is a priority. It is suitable for both spot replacement of a damaged element and for broader service work on the rear axle, including checking for play, replacing bushings, or refurbishing cooperating sub-assemblies. Its ability to be installed on either side of the axle simplifies repair planning and part selection in the workshop.

Technical Support and Further Suspension Information

To better understand the role of control arms in the drivetrain and their relationship with shock absorbers and stabilizers, it is worth consulting a guide. Practical tips on diagnostics, signs of wear, and principles of selecting 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 Mercedes vehicles.

If you are planning a comprehensive repair or upgrade of the rear axle suspension area in your Mercedes and need other parts from the same group, such as struts, coilovers, or components cooperating with shock absorbers, check the available parts in the Mercedes Shock Absorbers and Struts category.