Mercedes C118 W177 W247 Rear Axle Rotational Speed Sensor A2479058600

The Mercedes Rear Axle ABS Speed Sensor is a precise safety system component responsible for accurately reading the rotational speed of the wheels on the rear axle. As an original Mercedes part from the ABS Speed Sensor category, it ensures proper cooperation with the factory ABS system and stable operation of electronic driving assistance systems. A used component allows for an economical yet technically correct repair of the braking system.

Specifications and technical data

• SKU: A2479058600
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2479058600
• Substitutable numbers: A2479058600, A 247 905 86 00
• Location on the vehicle: Rear
• Category: ABS Speed Sensors

Application and Function in the Vehicle

The presented sensor is designed for installation on the vehicle's rear axle, where it monitors wheel rotational speed and transmits a signal to the ABS controller. A properly functioning element of this type is crucial for:

• stable operation of the ABS system during braking on slippery surfaces,
• proper functioning of traction control and stability control systems,
• elimination of errors and warning lights related to the braking system.

Thanks to its dedicated placement on the vehicle, the sensor cooperates with the factory wiring harness and the rear axle knuckle structure, which facilitates installation and reduces the risk of fitment issues.

Benefits of Using an Original Mercedes Sensor

Using an original ABS speed sensor in a Mercedes translates into a number of practical advantages:

• maintaining factory parameters for the braking and drivetrain systems,
• compatibility with controller software and safety system logic,
• appropriate shielding and resistance to electromagnetic interference,
• correct geometric fit to the hub, knuckle, and mounting points on the rear axle.

For the user, this means stable ABS operation, predictable vehicle behavior in emergency situations, and a reduced risk of recurring faults resulting from the use of unsuitable replacements.

Characteristics of a Used Component

The offered sensor is a used component, which helps reduce repair costs while maintaining the original manufacturer's specifications. This type of part is particularly attractive for wear-and-tear repairs where the priority is:

• maintaining compatibility with specific generations of electronic systems,
• reducing service costs while using an OEM component,
• the ability to quickly replace a damaged sensor without modifying the installation.

A used rear axle ABS speed sensor is a suitable solution for workshops specializing in the Mercedes brand and for informed users who want to restore full functionality to their safety systems without investing in a new component.

Selection and Integration with the Drivetrain

When selecting an ABS speed sensor for a Mercedes, it is crucial to match it to the specific version of the rear axle, hub, and drivetrain. A correctly selected element:

• ensures correct signal reading from the pulse ring,
• eliminates errors related to signal characteristic mismatch,
• allows for seamless integration with the existing differential and drive axle.

If you want to better understand the relationships between sensors, the differential, and the entire drivetrain system, it is worth reading the guide on used differentials, sensors, and drivetrain components, which helps in consciously planning repairs and upgrades.

Technical Support and Knowledge about Mercedes Parts

For those servicing various models of this brand, a broader perspective on the technical solutions used by the manufacturer may also be useful. In this context, the article on the evolution of Mercedes S-Class models and the parts used in them, which shows how design and electronic solutions have changed across generations, will be helpful.