Mercedes W221 M157 Petrol Rear Wheel Carrier Camber Arm Left N/S A2213501306

Mercedes W221 M157 Petrol Rear Wheel Carrier Camber Arm Left N/S is an original suspension system component from the Control arms and ball joints category, designed for the rear left side of the vehicle. The construction, prepared for use with petrol engines, ensures stable handling, precise geometry maintenance, and predictable vehicle behavior during acceleration, braking, and cornering.

Specifications and technical data

• SKU: A2213501306
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2213501306
• Substitutable numbers: A2213501306, A 221 350 13 06
• Location on the vehicle: Rear, Left
• Fuel type: Petrol
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension

The presented control arm is designed for installation in the rear left part of the suspension, where it is responsible for maintaining the correct position of the wheel relative to the body and transferring loads from the road to the chassis. In combination with other suspension components, it stabilizes the driving path, limits unwanted wheel movement, and supports even tire wear.

Being dedicated to vehicles with a petrol engine allows for maintaining the consistency of the suspension characteristics with the manufacturer's factory specifications, which translates into predictable vehicle reactions and comfortable yet confident operation of the rear axle.

Benefits of using an original Mercedes control arm

Using an original control arm in the W221 model with the M157 unit allows for maintaining factory handling and safety parameters. This component has been developed with a focus on:

• appropriate stiffness and durability in the rear axle zone,
• proper cooperation with other suspension components,
• precise maintenance of wheel geometry during dynamic driving,
• compatibility with the suspension system intended for petrol engines.

As a result, the driver receives stable handling, predictable steering reactions, and consistent vehicle behavior during load changes and high-speed driving.

Installation and operational characteristics

The rear left control arm intended for the W221 M157 is structurally matched to factory mounting points, which facilitates service work and reduces the time required for replacement. Its location in the rear left part of the vehicle requires particular precision during installation and subsequent geometry inspection to fully utilize the suspension's potential.

A component from this group operates under demanding conditions – it transfers vertical, longitudinal, and lateral loads, which is why its proper selection has a direct impact on vehicle stability, braking efficiency, and ride comfort on uneven surfaces.

Professional approach to the suspension system

To better understand the role of control arms in safety and ride comfort, it is worth familiarizing yourself with educational material describing the cooperation of shock absorbers, control arms, and stabilizers in modern cars. A detailed discussion of these issues can be found in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which helps in consciously planning service work.

Expansion and modernization of the Mercedes rear suspension

If you are planning a comprehensive repair or modernization of the rear suspension area in your Mercedes and need other elements from the same group, such as additional control arms, ball joints, or related guiding elements, check the available parts in the Mercedes control arms and ball joints category.