Control Arm Mercedes W177 W247 Front Left N/S Lower Wishbone A2473331500

Description

Control Arm Mercedes W177 W247 Front Left N/S Lower Wishbone for the Mercedes A-Class W177 and B-Class W247 is an item from the Control arms and ball joints category, designed as a factory solution for the front axle. This is a used original part, intended for installation on the driver’s side, ensuring proper suspension geometry and stable vehicle handling.

Specifications and technical data

• SKU: A2473307502
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2473307502
• Substitutable numbers: A2473307502, A 247 330 75 02, A2473331500, A 247 333 15 00
• Location on the vehicle: Front, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension

This control arm operates in the front suspension on the left side, responsible for precise wheel guidance and maintaining specified camber and toe angles. As a load-bearing component working with the ball joint and other suspension parts, it influences:

• driving stability at higher speeds,
• the car’s response to steering inputs,
• even tire wear,
• damping comfort for everyday use.

Thanks to a design consistent with Mercedes factory specifications, the control arm maintains the correct stiffness and flexibility at mounting points, which translates into predictable vehicle behavior.

Benefits of using an original control arm

Using an original control arm in a Mercedes W177 / W247 allows you to maintain driving parameters consistent with the manufacturer’s design. In practice, this means:

• proper fitment to the mounts on the body and steering knuckle, without the need for modifications,
• preservation of factory suspension geometry after adjustment on a measurement stand,
• consistent cooperation with factory shock absorbers, springs, and the stabilizer bar,
• reduction of unwanted play and knocking in the front axle after correct installation.

For the user, this means more confident handling, predictable behavior in corners, and better vehicle control in emergency situations.

Condition, installation, and service recommendations

The offered control arm is a used item, which allows for an economical repair while maintaining original specifications. Before installation, a standard inspection of mounting points, bushings, and the ball joint is recommended in accordance with service procedures. Correct installation on the front left side should be performed while adhering to the tightening torques specified for the given model.

After replacing the control arm, it is worth performing:

• an inspection of other front axle suspension components,
• wheel geometry adjustment on a professional stand,
• a test drive to verify the absence of unwanted noises and correct handling.

Technical support and expanding knowledge about suspension

To better understand the role of control arms in the entire running gear system and the relationships between shock absorbers, control arms, and stabilizer bars, it is worth checking out our guide. Practical tips regarding diagnostics and operation can be found in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizer bars, which discusses typical symptoms of wear and best service practices.

Related Mercedes suspension components

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

Summary

Control Arm Mercedes W177 W247 Front Left N/S Lower Wishbone is a sensible choice for suspension repair when you want to maintain factory handling parameters. The original design, proper positioning on the front axle, and compatibility with other suspension components make this a functional solution for users expecting predictable vehicle behavior and proper operation of the running gear after the repair is completed.