Mercedes W211 Wishbone Front Right O/S Control Arm Upper Rod Strut A2113300438

Mercedes W211 Wishbone Front Right O/S Control Arm Upper Rod Strut is a suspension component designed for the front axle on the passenger side. As part of the Control Arms and Ball Joints group, it is responsible for precise wheel guidance, driving stability, and correct suspension geometry in Mercedes E-Class W211 models. Using an OEM component is a sensible choice for technical suspension repairs when you prioritize factory fitment and predictable vehicle handling.

Specifications and technical data

• SKU: A2113309007-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2113309007
• Substitutable numbers: A2113309007, A 211 330 90 07, A2113300438, A 211 330 04 38
• Location on the vehicle: Front, Right
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension

The presented Mercedes W211 Wishbone Front Right O/S Control Arm Upper Rod Strut operates within the multi-link front suspension system, stabilizing the position of the steering knuckle relative to the body. It is responsible for:

• maintaining the correct camber and caster angles of the steering knuckle,
• controlling wheel movement during acceleration, braking, and driving over uneven surfaces,
• reducing unwanted suspension play, which affects steering precision.

Thanks to the appropriate arm geometry, the control arm works in harmony with other suspension components, ensuring predictable steering response and vehicle stability in corners.

Construction and fitment for Mercedes W211

The Mercedes W211 Wishbone Front Right O/S Control Arm Upper Rod Strut has been designed as an OEM part, which means full compatibility with the factory suspension design. The shape of the arm, mounting points, and integrated joint elements are adapted for operation on the right side of the front axle, without the need for any modifications.

Such fitment translates into:

• proper alignment with the body and steering knuckle,
• preservation of original suspension performance characteristics,
• the ability to perform standard geometry adjustments after installation.

Using the correct, dedicated control arm minimizes the risk of incorrect wheel alignment and accelerated tire wear.

Condition, installation, and service application

The offered control arm is a used component, which in service practice often provides a cost-effective solution while maintaining the manufacturer's original specifications. This type of component is particularly useful in situations where:

• it is necessary to replace a single suspension arm after mechanical damage,
• the vehicle is used intensively and quick restoration of system efficiency is required,
• the priority is to maintain the factory character of the car's handling.

The control arm is installed at standard mounting points on the front axle on the right side, using the bolts and bushings provided by the manufacturer. After installation, it is recommended to perform a full suspension geometry check to ensure even tire wear and stable handling.

Benefits of using an original control arm

Using an original Mercedes W211 Wishbone Front Right O/S Control Arm Upper Rod Strut allows you to maintain the consistency of the entire suspension system. Key advantages include:

• factory fitment to the body and steering knuckle design,
• predictable vehicle behavior during braking and lane changes,
• reduction of vibrations and knocking resulting from excessive suspension play,
• easier diagnostics and service in the future thanks to the preservation of original solutions.

For users who value the comfort and driving stability typical of a Mercedes, choosing such a component is technically justified and allows for maintaining high-quality vehicle handling.

If you are planning a comprehensive repair or upgrade of the front suspension area in your Mercedes and need other elements from the same group, such as additional arms, ball joints, or brackets, check the available parts in the Mercedes Control Arms and Ball Joints category.

To better understand the role of this component in the entire chassis system and the symptoms of wear, it is worth consulting a service guide – you will find practical tips in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers.