Control Arm Mercedes W164 Rear Transwerse Control Arm Bottom Left A1643500606

Visual condition of the part

The product shows signs of use visible in the photos.

Control Arm Mercedes W164 Rear Transwerse Control Arm Bottom Left is a component from the Control arms and ball joints group, designed for operation in the rear, left part of the suspension. This used original part ensures proper axle geometry, stable vehicle handling, and predictable body behavior during braking and cornering.

Specifications and technical data

• SKU: A1643500606
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1643500606
• Substitutable numbers: A1643500606, A 164 350 06 06
• Location on the vehicle: Rear, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension

The rear lower left control arm in Mercedes W164 models is responsible for precise wheel guidance relative to the body, transferring loads from the road surface, and maintaining specified wheel alignment angles. Its placement in the rear axle zone on the driver's side means this component has a direct impact on:

• driving stability at higher speeds,
• even tire wear,
• the car's reaction to bumps and lateral forces in corners,
• the operation of other suspension components, including ball joints and metal-rubber bushings.

Thanks to its proper structural rigidity, the control arm limits unwanted wheel movement, which translates into more predictable handling and better vehicle control.

Advantages of using an original control arm

The original lower control arm for the Mercedes has been designed for the specific suspension geometry of the W164, which is why it ensures:

• precise mounting fit to the attachment points on the body and steering knuckle,
• compliance with factory operating parameters of the chassis system,
• proper cooperation with other elements from the Control arms and ball joints group,
• the ability to perform precise alignment and angle adjustments after replacement.

Choosing a used OEM component is a beneficial solution for repairs where maintaining factory handling characteristics is crucial, without the need to use aftermarket replacements with uncertain parameters.

Vehicle placement and installation aspects

The presented control arm is intended for installation in the rear suspension on the left side of the vehicle. Such placement requires following the correct service procedure, in particular:

• checking the condition of mounts and cooperating ball joints,
• checking for play in other rear axle control arms,
• performing geometry measurement and adjustment after installation is complete.

A correctly installed control arm reduces unwanted knocking, improves ride comfort, and allows for full utilization of the Mercedes suspension system's capabilities in daily operation.

Part selection and compatibility

To select the correct control arm for a specific body and engine version, it is worth verifying compatibility by the OEM part number and available interchangeable numbers in the technical specification. This avoids installation problems and guarantees that the component will work with factory mounting points and other rear axle components.

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 control arms, ball joints, or mounting hardware, check the available parts in the Mercedes control arms and ball joints category.

Safety and technical knowledge

A functional lower control arm has a direct impact on driving safety, which is why it is worth relying on reliable technical knowledge whenever working on the suspension. For users who want to better understand the relationships between shock absorbers, control arms, and stabilizers, the following guide will be helpful: Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers. This makes it easier to plan the scope of service work and consciously select subsequent chassis system components.