Mercedes W204 Wishbone Control Arm Lower Strut Front Right O/S A2043306811

The lower front right control arm for Mercedes W204 is an original suspension component designed for the front axle on the passenger side. It ensures precise wheel guidance, stable geometry maintenance, and predictable vehicle behavior during braking and cornering. Thanks to its construction conforming to the manufacturer's standards, the control arm works correctly with the factory suspension kinematics, promoting even tire wear and confident handling.

Specifications and technical data

• SKU: A2043306811-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2043306811
• Substitutable numbers: A2043306811, A 204 330 68 11
• Location on the vehicle: Front, Right
• Part type: Control Arm & Ball Joint Assembly
• Category: Control Arms, Ball Joints & Assemblies

Purpose and Function in Suspension

The presented lower front right control arm for Mercedes W204 belongs to the group of components responsible for maintaining the correct position of the wheel hub relative to the body. As part of the Control Arms and Ball Joints category, it works with the shock absorber, spring, and other suspension arms, transferring vertical and lateral loads and damping vibrations caused by road unevenness.

Its placement on the vehicle is the front right side, which is crucial for part selection – the design and geometry are precisely matched to this specific position. Correct side selection minimizes the risk of incorrect wheel alignment and undesirable play in the drivetrain.

Benefits of Using an Original Control Arm

Using an original control arm in a Mercedes W204 allows for the preservation of the vehicle's factory handling parameters. The component is designed for:

• stable maintenance of suspension geometry under dynamic load,
• proper cooperation with ball joints and other arms,
• efficient transfer of braking and acceleration forces,
• reduction of vibrations transmitted to the body.

Thanks to this, the suspension system maintains predictable operating characteristics, which translates to driving safety, especially at higher speeds and on uneven roads.

Condition, Fitment, and Service Application

The offered control arm is a used part, making it an attractive solution for maintenance repairs where a favorable cost-to-quality ratio is a priority. The part is intended for installation on the front axle on the right side, which should be considered when planning service work and ordering other suspension components.

In workshop practice, this type of control arm is most often replaced in cases of noticeable play, knocking when driving over uneven surfaces, or problems with maintaining wheel alignment. Replacement with a functional part restores proper suspension operation and reduces accelerated tire wear.

Technical Support and Suspension Topic Expansion

If you want to better understand the relationships between control arms, shock absorbers, and stabilizers, and their impact on driving safety, it's worth consulting a guide. Practical tips for diagnostics and operation can be found in the article Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers, which discusses, among other things, the specific operation of control arms in Mercedes vehicles.

Mercedes Suspension System Expansion

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

For owners of older models of this brand who want to economically refresh their car's handling using proven aftermarket components, a guide on using used parts in vehicles from the late 90s and early 2000s may also be helpful. This is described in more detail in the article Second Life for a Youngtimer – How Used Car Parts Revitalize Cars from 1998-2012, which provides practical scenarios for upgrading Mercedes suspensions.