Mercedes-Benz C W204 Rear Axle Right O/S Wheel Carrier ABS Sensor Wiring Holder

The MERCEDES C W204 ABS Sensor Mount is a specialized rear suspension component designed for the right side of the axle. It is responsible for the stable, mechanical seating of the wheel speed sensor, which directly impacts the correct operation of the ABS and stability control systems. Thanks to its precise fit for the Mercedes C W204's design, this component ensures technically correct and safe brake system operation.

Specifications and technical data

• SKU: A2045461243
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2043502706
• Substitutable numbers: A2045461243, A 204 546 12 43, BG
• Location on the vehicle: Rear, Right
• Category: Other Transmission & Drivetrain

Purpose and Function in the ABS System

The ABS sensor mount in the C W204 operates in the demanding environment of the rear axle, where it is exposed to vibrations, dirt, and variable loads. Its tasks include:

• maintaining the ABS sensor at a constant, repeatable distance from the pulse ring,
• ensuring a stable sensor position during acceleration, braking, and driving over uneven surfaces,
• protecting the mounting point from excessive mechanical stress.

A correctly selected and installed mount reduces the risk of wheel speed signal interference, which translates to proper operation of the ABS, traction control, and stability control systems. This is particularly important in emergency braking situations when the system needs to react quickly and consistently.

Fitment for the Rear Right Side of the Vehicle

The presented component is designed for installation on the rear right side of the vehicle. This means its geometry, mounting points, and shape are optimized for a specific side of the body, facilitating installation and minimizing the risk of incorrect seating.

This dedicated placement allows for the preservation of the original brake system geometry and proper routing of the sensor's wires and electrical harnesses. In practice, this results in:

• easier, more predictable installation,
• reduced risk of sensor wire damage during suspension operation,
• compliance with Mercedes' factory service points.

Characteristics of a Used Part

The offered ABS sensor mount is a used part, sourced from a dismantled vehicle. This type of component, when in appropriate technical condition, retains its mounting and geometric properties, allowing for its continued use in a vehicle.

Choosing a used mounting component is often a rational solution for ABS system servicing, especially when preserving compatibility with the original Mercedes design and optimizing repair costs are priorities. It is important, however, to verify the condition of the mounting surfaces and threads, as well as the correctness of the shape, before installation.

Assistance with Selection Using OEM Numbers

It is always advisable to confirm the correct ABS sensor mount for your Mercedes C W204 based on the OEM number and interchangeable part numbers associated with a specific reference. This helps avoid compatibility issues, especially with differences arising from the year of manufacture, engine version, or suspension type.

If you wish to deepen your knowledge on verifying part compatibility using manufacturer numbers, practical methods for checking references, and the specifics of selecting components for Mercedes, the following guide will be helpful: How to Safely Buy Parts Online Using OEM Numbers. This is a particularly useful tool when working with brake and suspension system components.

Related Systems and Technical Knowledge Development

The ABS sensor mount, although a mounting element, directly influences the operation of advanced safety systems that, in modern vehicles, work in conjunction with the braking and drivetrain systems. To better understand how manufacturers develop these systems in high-performance cars, it is worth reading the comparative analysis of sports models and their standard counterparts in the article: Audi RS vs. Other Models – What's Under the Hood and Chassis?. This provides a better understanding of the importance of precise wheel speed reading and the role of mounting components within the entire system.

If you are planning a comprehensive repair or upgrade of the rear suspension and ABS system in your Mercedes and need other parts from the same group, such as brackets, supports, or additional mounting elements, check the available parts in the category Other Mercedes.