Mercedes W205 Wheel ABS Speed Sensor Front Axle Right O/S A2059050205

Mercedes W205 Wheel ABS Speed Sensor Front Axle Right O/S is a precision safety system component responsible for accurately reading the rotational speed of the wheel on the front passenger side. A properly selected and functional sensor ensures stable operation of the ABS system and traction control, which translates into safe braking and predictable vehicle behavior in various road conditions. This component is designed for installation in Mercedes C-Class W205 generation models, replacing the factory sensor on the front right side.

Specifications and technical data

• SKU: A2059050205
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2059050205
• Substitutable numbers: A2059050205, A 205 905 02 05
• Location on the vehicle: Front, Right
• Category: ABS Speed Sensors

Function and role of the ABS speed sensor in the Mercedes W205

The ABS speed sensor on the front right axle of the Mercedes W205 is responsible for generating a wheel speed signal, which is then analyzed by the braking system controller. Based on this data, the ABS system can:

• prevent wheel lock-up during emergency braking,
• support the operation of electronic stability control systems,
• maintain proper traction when accelerating on slippery surfaces,
• ensure the correct operation of functions related to wheel speed monitoring.

Thanks to the accurate signal reading from the sensor, the braking system operates predictably, and the driver receives stable support from electronic safety systems.

Purpose and vehicle compatibility

The presented item is an ABS speed sensor designed for installation on the front right side of the vehicle, replacing the factory sensor in the Mercedes C-Class W205 generation. The placement on the vehicle is strictly defined, so when selecting, pay attention to:

• compatibility with the W205 body generation,
• correct installation side – front, right side,
• proper routing of the cable and connector in the wiring harness.

Selection by OEM number and interchangeable numbers ensures that the sensor will work with the vehicle's existing electronic system without the need for installation modifications.

Performance characteristics and benefits of use

A properly selected ABS speed sensor for the front right axle in a Mercedes W205 allows for the restoration of correct safety system operation after a failure or damage to the factory component. Using this component enables:

• elimination of ABS system errors and warning lights related to wheel speed reading,
• stable operation of braking and stability control systems,
• preservation of the factory performance characteristics of the onboard electronics.

The element comes from the group of original Mercedes parts, which promotes proper fitment to the wheel hub and electrical harness and reduces the risk of compatibility issues compared to generic replacements.

Condition, installation, and practical aspects

The offered ABS speed sensor is a used part, which allows for an economical repair of the braking system while maintaining the manufacturer's original specifications. Before installation, it is recommended to:

• check the socket and connector for dirt and corrosion,
• inspect the condition of the pulse ring on the wheel hub,
• properly route the sensor cable in the factory clips to avoid chafing.

A properly installed sensor works with the factory ABS controller, and its replacement is a standard service operation that can be performed in a professional workshop equipped with basic diagnostic tools.

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 speed sensors for other wheels, signal cables, or additional components working with the anti-lock system, check the available parts in the Mercedes ABS Speed Sensor category.

Selecting a used ABS sensor and technical knowledge

When choosing a used ABS speed sensor, it is crucial to verify compatibility by OEM number and reference numbers, as well as to match it to the specific axle and side of the vehicle. It is also worth using computer diagnostics after installation to confirm the correctness of the signal and the absence of new errors in the controller.

If you want to deepen your knowledge about selecting and installing used electronic components in a car, including sensors and control modules, the Global Parts guide will be helpful: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?