Mercedes W213 C238 C257 Rear Brake Pad Sensor Wear Cable Left N/S A2135402905

Mercedes W213 C238 C257 Rear Brake Pad Sensor Wear Cable Left N/S is an original braking system component designed for installation on the rear left axle in selected Mercedes E-Class and CLS models. Thanks to its factory geometry and precise signal routing, it ensures stable cooperation with the ABS system, which translates into predictable brake performance and traction control. This is a practical solution for users who want to restore the proper operation of the brake electronics without compromising on fitment.

Specifications and technical data

• SKU: A2135402905
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2135402905
• Substitutable numbers: A2135402905, A 213 540 29 05
• Location on the vehicle: Rear, Left
• Category: Additional Brake Sensors & Switches

Purpose and function of the ABS sensor cable

The rear left ABS sensor cable is responsible for transmitting the signal from the wheel speed sensor to the brake system control unit. A properly functioning cable allows the ABS and related electronic stability control systems to precisely monitor wheel rotation speed, which is crucial for:

• maintaining vehicle control during emergency braking,
• proper operation of driver assistance systems,
• eliminating errors and warning lights related to the ABS.

Thanks to its dedicated placement on the rear left axle, the cable is matched to the factory wiring harness routing in the chassis, which facilitates installation and reduces the risk of mechanical damage during operation.

Compatibility with the Mercedes W213 / C238 / C257 platform

The Mercedes W213 C238 C257 Rear Brake Pad Sensor Wear Cable Left N/S has been designed with the electrical and mechanical architecture of the Mercedes E-Class (W213) and related body versions C238 and C257 in mind. This means that it:

• retains factory mounting points and harness routing,
• is adapted to the operating parameters of the ABS control unit in these generations,
• allows for service replacement without the need for installation modifications.

Such a fit reduces the time required for repairs and decreases the risk of electrical compatibility issues, which is particularly important in modern vehicles with extensive electronics.

Characteristics of the used component

The offered cable comes from dismantling and is a used component, which allows for a significant reduction in repair costs while maintaining the manufacturer's original specifications. In practice, this means:

• retaining the factory build quality typical of the Mercedes brand,
• the possibility of economical ABS system repair without resorting to aftermarket parts of unknown origin,
• reducing waste by reusing functional components.

For many users, this is a reasonable compromise between service costs and maintaining the correct operating parameters of the braking system.

Why choose an original Mercedes ABS cable

In the case of components responsible for driving safety, such as ABS sensor cables, precise fitment and stability of electrical parameters are key. An original cable dedicated to specific Mercedes models ensures:

• compliance with the factory installation and ABS control unit,
• adequate resistance to operating conditions in the wheel arch and suspension area,
• proper harness routing, minimizing the risk of chafing and damage.

Thanks to this, after replacement, you can restore the correct operation of the ABS system and avoid recurring faults resulting from ill-fitting aftermarket parts.

Expanding your Mercedes braking system repair

If you are planning a comprehensive repair or upgrade of the braking zone in your Mercedes and need other components from the same group, such as additional sensors, signal cables, or switches related to the braking system, check out the available parts in the Other Mercedes brake sensors and switches category.

More about used parts and service cost optimization

Choosing a used ABS sensor cable is a way to reduce repair costs while maintaining original specifications. If you want to better understand how to safely use dismantled parts and separate facts from common myths, read the article Used car parts: myths and facts you need to know. For drivers looking for additional ways to reduce service expenses while maintaining an appropriate level of quality, the guide Rising repair costs and the boom in used parts – how to save on car service? may also be helpful.