ABS Sensor Mercedes W211 C219 Front Brake Wiring Harness Right O/S A2115400006

ABS Sensor Mercedes W211 C219 Front Brake Wiring Harness Right O/S is an original component from the Cables, wiring harnesses and connectors group, designed for precise monitoring of brake pad wear on the right side of the front axle. Thanks to its factory-fit design for the Mercedes electrical system, it ensures a stable warning signal and helps maintain the braking system in a safe operating condition.

Specifications and technical data

• SKU: A2115400008
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2115400008
• Substitutable numbers: A2115400008, A 211 540 00 08
• Location on the vehicle: Front, Right
• Category: Wiring Harnesses, Cables & Connectors

Purpose and technical function

The front right brake pad sensor in Mercedes W211 and C219 models is responsible for monitoring the wear level of the brake pads on the right side of the front axle. Once the pad reaches its wear limit, the sensor closes or opens the electrical circuit, sending a signal to the onboard system, which informs the driver that the brake pads need to be replaced.

As a component from the Cables, wiring harnesses and connectors group, the sensor works with the vehicle's electrical installation, utilizing properly selected connectors and wires to ensure reliable electrical contact and resistance to the operating conditions near the brake caliper.

Construction and fitment to the braking system

The offered sensor is structurally prepared for installation on the front right side of the vehicle, which facilitates correct routing of the wire relative to the caliper, carrier, and suspension components. Properly shaped mounts and connection terminals allow for stable seating of the sensor in the brake pad slot and a secure connection to the wiring harness.

Such fitment reduces the risk of wire abrasion, accidental disconnection of the plug, or signal interference, which is crucial for the proper operation of the brake wear indicator on the instrument cluster. Using an original Mercedes solution helps maintain the consistency of electrical parameters with the vehicle manufacturer's specifications.

Benefits of using an original sensor

• Compatibility with the factory braking and electrical system of the Mercedes W211 and C219.
• Stable transmission of brake wear information to the onboard system.
• Proper fitment for the front right side of the vehicle, facilitating installation.
• Reduced risk of false brake wear warnings resulting from ill-fitting aftermarket replacements.

By using an original component, you can maintain the consistent operation of the brake wear warning system, which translates into predictable brake service planning and better control over the vehicle's operating condition.

Application in service practice

Replacing the brake pad sensor is recommended with every brake pad change, especially when the previous element has been mechanically damaged or cut by a worn-out pad. Using the correct sensor on the front right side avoids the need for interference with the electrical installation, such as soldering or adapting universal solutions.

In service practice, it is particularly important that the new sensor is correctly seated in the brake pad slot and properly routed relative to the suspension and wheel arch components. Correct installation minimizes the risk of mechanical damage to the wire during suspension movement and wheel steering.

Why choose original used Mercedes components

Original Mercedes components, even in used condition, often retain parameters close to new parts while offering a more favorable purchase cost. In the case of elements such as the brake pad sensor, this is significant for both reliability and compliance with factory service documentation.

If you want to better understand how to consciously choose original used components for your car and how they affect comfort and durability, it is worth reading the article Mercedes – comfort, prestige, and durability. Why is it worth choosing original used parts?, where this topic is discussed more broadly in the context of the Mercedes brand.

If you are planning a comprehensive repair or upgrade of the braking area in your Mercedes and need other elements from the same group, such as signal cables, wiring harness sections, or sensor connectors, check out the available parts in the Mercedes cables, wiring harnesses and connectors category.