Mercedes W907 Wheel Brake ABS Speed Sensor Front Left N/S Cable A9075401905

Mercedes W907 ABS Speed Sensor Left Front is a precise component of the braking system, responsible for accurate wheel speed reading and proper ABS system operation. As an original Mercedes component, it ensures stable integration with the vehicle's electronics and predictable behavior during emergency braking. A used part allows for a technically correct repair while maintaining a favorable cost-to-quality ratio.

Specifications and technical data

• SKU: A9075401905
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9075401905
• Substitutable numbers: A9075401905, A 907 540 19 05
• Location on the vehicle: Front, Left
• Category: ABS Speed Sensors

Function and Role of the ABS Speed Sensor

The ABS speed sensor on the front axle, left side, is responsible for continuously measuring wheel rotational speed and transmitting the signal to the brake system controller. Based on this data, the ABS system regulates brake circuit pressure, reducing the risk of wheel lock-up and loss of traction. A properly functioning sensor contributes to driving stability, braking effectiveness, and integration with other safety systems such as traction control or stability assist.

Intended Use and Vehicle Fitment

The presented component is designed for installation in the front area, on the left side, in Mercedes W907 series vehicles. Its placement on the vehicle is factory-defined, which facilitates the identification of the correct component during servicing. Thanks to a design compliant with the vehicle manufacturer's requirements, the sensor works with the factory wiring harness and the original ABS control unit, minimizing the risk of diagnostic errors and communication problems within the vehicle's bus system.

Benefits of Using an Original Mercedes Sensor

Using an original ABS speed sensor in a Mercedes vehicle offers a number of practical benefits:

• maintaining braking system operating parameters in line with manufacturer specifications,
• stable integration with vehicle electronics and driver assistance systems,
• reducing the risk of ABS errors and warning lights on the instrument cluster,
• easier computer diagnostics due to compatibility with factory maps and software.

For the user, this means more predictable vehicle behavior during braking, especially on slippery surfaces, and greater confidence in the operation of safety systems. Structural consistency with the Mercedes braking system also promotes longer, stable operation without the need for frequent service interventions.

Characteristics of a Used Component

The offered ABS speed sensor is a used component, which helps reduce repair costs while maintaining the original manufacturer's specifications. Such components are often chosen for maintenance repairs where compliance with the factory system and predictable performance are priorities. A used sensor can be a particularly beneficial solution when replacing a single component in an already operational vehicle, where matching the existing installation and system operating parameters is important.

Technical Support and Parts Selection

When selecting an ABS speed sensor for a specific body version and braking system, it is crucial to verify compatibility with the service documentation and the vehicle manufacturer's markings. Proper fitment helps avoid problems with mechanical installation, cable length, or electrical connector type. If in doubt, it is advisable to consult catalog data and computer diagnostics to confirm that the replacement part matches the configuration used in the specific vehicle instance.

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 elements, check the available parts in the Mercedes ABS Speed Sensor category.

When working with drivetrain systems and related sensors, it is useful to know the typical signs of wear and methods for verifying component condition. Practical tips for assessing components such as differentials, sensors, and drivetrain sub-assemblies can be found in the guide Used Differential – What You Should Know About Used Differentials, Sensors, and Drivetrain Systems, which helps in making more informed purchasing and servicing decisions.