Mercedes R231 Wheel ABS Speed Sensor Front Left Right N/O/S Cable A2319053201

Mercedes R231 Wheel ABS Speed Sensor Front Left Right N/O/S Cable is an original traction control system component designed for installation on the front axle, on either the left or right side. This used component allows for the restoration of proper ABS system operation, electronic stability control, and traction control, ensuring precise wheel speed readings and stable performance of the vehicle's onboard electronics. Thanks to its factory-spec design with an N/O/S cable harness, it is a solution technically matched for installation in dedicated Mercedes models.

Specifications and technical data

• SKU: A2319053201
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2319053201
• Substitutable numbers: A2319053201, A 231 905 32 01
• Location on the vehicle: Front, Left, Right
• Category: ABS Speed Sensors

Purpose and function in the braking system

The presented item belongs to the ABS Speed Sensor category and works with the brake control module, responsible for real-time measurement of front wheel rotational speed. Mounting on the front axle, with the option to install on either the left or right side, allows for flexible application in the vehicle while maintaining factory signal characteristics. A properly functioning sensor is crucial for:

• stable ABS system operation during emergency braking,
• correct functioning of traction control and electronic stability control systems,
• precise brake force distribution by the controller.

Construction and installation compatibility

The Mercedes R231 Wheel ABS Speed Sensor Front Left Right N/O/S Cable is factory-adapted for installation in dedicated Mercedes models, maintaining original mounting points and cable routing. The integrated signal cable allows for direct connection to the vehicle's electrical system without the need for modifications or soldering. As a result, installation is orderly, and the risk of signal interference is minimized.

The original design ensures the correct geometry of the sensor position relative to the pulse ring, which translates into stable and repeatable speed readings across the full operating range of the braking system.

Benefits of using an original Mercedes sensor

Using an original ABS speed sensor in a Mercedes vehicle allows you to maintain braking system performance parameters consistent with the manufacturer's specifications. In practice, this means:

• reduced risk of ABS controller errors and warning lights,
• proper cooperation with factory safety systems,
• consistency of operating characteristics with other braking system components.

The used OEM component is a cost-effective solution that is also technically matched to the specific vehicle platform, which is particularly important in the case of advanced electronic systems.

Application in diagnostics and ABS system repairs

The Mercedes R231 Wheel ABS Speed Sensor Front Left Right N/O/S Cable is suitable both for standard replacement of a damaged part and during more extensive braking system repairs. It is a part worth considering when diagnosing symptoms such as:

• illuminated ABS or ESP warning lights on the instrument cluster,
• uneven ABS system operation during braking,
• errors stored in the controller memory regarding front wheel speed signals.

By maintaining factory signal specifications, the sensor facilitates correct data interpretation by the controller and restores proper operation of driver assistance systems.

If you are planning a comprehensive repair or upgrade of the braking area in your Mercedes and need other components from the same group, such as additional sensors, signal cables, or mounting hardware, check out the available parts in the Mercedes ABS Speed Sensor category.

Why consider a used ABS sensor?

In the case of vehicle electronics, such as speed sensors, choosing a used OEM component is often a reasonable alternative to aftermarket replacements of unknown origin. An original ABS sensor maintains compatibility with the controller software, and its operating parameters are known and predictable. More practical tips on selecting and installing used modules and sensors can be found in the guide Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?, which discusses issues such as compatibility, diagnostics, and safe installation.