Mercedes W207 Wheel Speed Sensor Rear Left Right N/O/S ABS Cable A2075400317

Mercedes W207 Wheel Speed Sensor Rear Left Right is an original traction control system component designed for installation on the vehicle's rear axle. Thanks to precise wheel speed readings, it supports the stable operation of the ABS and traction control systems, improving driving safety. This is a solution for users looking for a proven, factory-made component rather than random replacements.

Specifications and technical data

• SKU: A2075400317
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2075400317
• Substitutable numbers: A2075400317, A 207 540 03 17
• Location on the vehicle: Rear, Right, Left
• Category: ABS Speed Sensors

Purpose and vehicle placement

The presented sensor belongs to the ABS speed sensor group and is designed for installation on the rear axle, on either the right or left side. This placement allows for accurate measurement of wheel rotational speed, which is crucial for the proper operation of the anti-lock braking system during emergency braking and on slippery surfaces.

A solution of this type is particularly important in premium class vehicles, where electronic stability control, traction control, and brake assist systems use data from ABS sensors for dynamic adjustment of driving parameters. A properly functioning sensor on the rear axle contributes to even brake force distribution and vehicle stability in critical road situations.

Benefits of using an original Mercedes sensor

Choosing a component dedicated to Mercedes vehicles ensures compatibility with the factory electrical installation and correct signal parameters for the ABS controller. As a result:

• the braking system maintains the characteristics intended by the vehicle manufacturer,
• the controller receives a stable, repeatable signal from the sensor, which reduces the risk of errors and warning messages on the dashboard,
• compatibility with other safety systems that use wheel speed data is maintained.

Using original components in such critical systems as the ABS is highly recommended in higher-class cars, where predictable vehicle behavior and repeatable reactions in emergency situations are essential.

Performance characteristics and component condition

The offered sensor belongs to the group of used components, which allows for reduced repair costs while maintaining factory construction and fitment. This type of solution is often chosen for servicing older vehicles, where a reasonable balance between quality and budget is a priority. A used component from original production maintains the mounting geometry and operating characteristics consistent with the requirements of the ABS system.

Due to the nature of the speed sensor's operation, it is important to ensure proper seating in the steering knuckle or hub and to maintain the correct distance from the impulse ring. Proper installation minimizes the risk of signal interference and allows for stable system operation across the full range of vehicle speeds.

Selection and integration with vehicle electronics

When selecting a sensor for a specific body version and braking system, it is worth paying attention to compatibility with the installation and the ABS controller used in the given unit. The original element from the ABS speed sensor group is designed to work with the factory controller software, without the need for wiring or operating parameter modifications.

If you are considering a broader replacement of electronic components in your car and want to approach the purchase of used components consciously, it is worth checking out practical tips on selecting modules and sensors – you will find them in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.

Expanding Mercedes ABS system service

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 additional sensors, signal cables, or mounting elements, check the available parts in the Mercedes ABS speed sensor category.

For users who want to complete a larger set of used components in one place – from braking system elements to small mounting accessories – the guide describing the One-Stop-Shop purchasing strategy may be helpful: how to complete used car parts in one place. This makes it easier to plan the full scope of service work and reduce vehicle downtime.