Brake Wear Sensor Mercedes W213 C238 C257 Front Left N/S Pad Cable A2135401513

Brake Wear Sensor Mercedes W213 C238 C257 Front Left N/S Pad Cable is an original braking system component designed for precise monitoring of the friction lining condition on the driver's side front axle. Thanks to its factory-fit design for specific Mercedes models, this signal cable provides reliable information on the degree of pad wear, supporting safe and predictable vehicle operation. It is a practical solution for users who want to maintain the full functionality of the brake wear warning system without compromising on compatibility.

Specifications and technical data

• SKU: A2135401513
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2135401513
• Substitutable numbers: A2135401513, A 213 540 15 13
• Location on the vehicle: Front, Left
• Category: Brake Cables

Purpose and function in the braking system

The presented sensor is a component in the Brake cables category and operates on the front axle on the left side of the vehicle. Its task is to transmit information to the controller when the brake pad reaches its wear limit, allowing the driver to plan a pad replacement before braking efficiency decreases. This solution supports stable operation of the braking system, reduces the risk of disc damage, and helps maintain predictable braking performance in daily use.

Compatibility with Mercedes W213, C238, C257

The sensor has been designed for Mercedes E-Class and CLS platforms, which translates into proper cable routing, the correct harness length, and matched connectors. Its placement on the front left side of the vehicle eliminates the need for installation modifications and allows for mounting in accordance with the factory cable routing. This ensures the correct operation of the warning system on the instrument cluster and minimizes the risk of errors resulting from incorrect part selection.

Characteristics of the used component

The offered brake wear sensor is a used part, sourced from a dismantled Mercedes vehicle. Such electrical components, provided the cable continuity and connectors are intact, retain their functional properties, representing an economical alternative to new parts. This solution is particularly beneficial for servicing vehicles used intensively, where a reasonable maintenance cost is important while maintaining the proper functionality of the braking system.

Benefits of using an original sensor

Using an original brake wear sensor on the front axle on the driver's side allows you to:

• maintain proper cooperation with the vehicle's electrical system,
• preserve the factory logic of the brake wear warning system,
• reduce the risk of dashboard errors resulting from incorrect part selection,
• ensure predictable maintenance planning for the braking system.

For users who value the consistency of factory solutions, this is a practical way to maintain full system functionality without the need for replacements with uncertain parameters.

Support in selecting used braking components

When replacing a brake wear sensor, it is worth simultaneously assessing the condition of other braking system components, such as discs, calipers, or ABS system elements. To better plan your service and consciously use second-hand parts, you can use the practical tips contained in the article: Second-hand braking system – how to safely choose discs, calipers, and ABS?

If you are planning a comprehensive repair or upgrade of the braking zone in your Mercedes and need other elements from the same group, such as cables, sensors, or additional harnesses, check the available parts in the Mercedes brake cables category.