Mercedes W177 Rear Axle Wheel RPM Speed Right Sensor Wire Harness A2475400600

Mercedes W177 Wiring Harness Cable ABS Sensor Rear Right is an original component of the braking system's electrical installation, designed for precise operation of the ABS sensor on the rear right axle. Thanks to factory fitting for the W177 platform, the harness ensures a stable electrical connection and maintains the correct parameters of the anti-lock braking system. It is a practical solution for repairs after mechanical damage, corrosion, or interference with the wiring.

Specifications and technical data

• SKU: A2475400600
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2475400600
• Substitutable numbers: A2475400600, A 247 540 06 00
• Location on the vehicle: Rear, Right
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Function in the ABS System

The presented wiring harness is responsible for the transmission of the signal from the rear right wheel ABS sensor to the vehicle's control unit. A properly functioning cable is crucial for:

• stable operation of the ABS system during hard braking,
• cooperation with traction control and stability control systems,
• elimination of errors related to breaks or interference in the wheel sensor circuit.

The harness is specifically designed for installation in the vehicle in the rear – right side area, which facilitates correct routing of the cable in factory mounting points.

Construction and Fit for Mercedes W177

This component belongs to the Cables, Harnesses, and Connectors group, meaning it is constructed for operation in the demanding underbody environment – exposed to moisture, dirt, and temperature changes. Factory connectors enable:

• secure connection to the ABS sensor and the rest of the installation,
• maintenance of electrical contact sealing,
• reduction of the risk of loose connections and cable chafing.

Thanks to its original geometry, the harness follows the factory mounting points, minimizing the risk of collision with suspension components and the rotating wheel.

Benefits of Using an Original Mercedes Harness

Using a dedicated harness in the Mercedes W177 class helps avoid problems typical of universal aftermarket parts. The most important benefits include:

• Factory Fit – the cable length and connector shape match the specific model's design, facilitating installation and servicing.
• Stable Electrical Parameters – appropriate cable cross-section and shielding contribute to the correct reading of the wheel sensor signal.
• Trouble-Free Diagnostics – maintaining the original installation architecture simplifies work with service testers and manufacturer schematics.

This solution is particularly recommended for repairs after mechanical damage to the cable, interference with the wiring, or the appearance of errors related to the rear right wheel sensor circuit.

Characteristics of a Used Part

The offered harness is a used component, allowing for the combination of original fit with a cost-effective repair. In practice, this means the possibility of restoring the correct operation of the ABS system without the need for unreliable wiring modifications or soldering additional cable sections.

Before installation, a standard check of the insulation condition, connectors, and correct cable routing in the vehicle is recommended to ensure long-term and trouble-free operation.

Expanding the Electrical System in Mercedes W177

If you are planning a comprehensive repair or upgrade of the underbody and braking system area in your Mercedes and need other components from the same group, such as additional sensor harnesses, signal cables, or installation connectors, check the available parts in the Mercedes Cables, Harnesses, and Connectors category.

To broaden your knowledge on selecting original used parts, OEM identification procedures, and practical aspects of operation, it is worth reading the article: BMW – Sporty Performance and Precision. How Original Used Parts Extend the Life of the Bavarian Icon?. Although it concerns a different brand, it describes universal principles of working with OEM components, which are also useful for servicing Mercedes vehicles.