Mercedes X167 W205 W213 X253 Brake Pedal Sensor Control Unit A2139051303

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes X167 W205 W213 X253 Brake Pedal Sensor Control Unit is a precision component from the Switches, control elements and ignition locks group, responsible for correctly transmitting the signal from the brake pedal to the vehicle's electronic systems. A properly selected sensor ensures stable cooperation with safety and comfort systems, such as brake light control or driver assistance systems. This solution is intended for users who expect consistency with the factory electrical architecture of Mercedes-Benz.

Specifications and technical data

• SKU: A2139051303
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2139051303
• Substitutable numbers: A2139051303, A 213 905 13 03
• Category: Switches & Controls

Function and application of the brake pedal sensor

The brake pedal sensor in Mercedes X167, W205, W213 and X253 models is responsible for generating a signal that informs the vehicle's control units that the brake pedal has been pressed. A properly functioning component:

• ensures correct activation of the brake lights,
• supports the operation of driver assistance systems,
• enables the correct operation of cruise control and electronic stability control systems,
• affects safety during emergency braking.

By maintaining the factory logic of electronic systems, the brake pedal sensor for Mercedes allows for maintaining the consistency of all related control modules.

Compatibility with Mercedes X167, W205, W213, X253 platforms

The presented sensor has been designed for integration with selected Mercedes models based on the X167, W205, W213 and X253 platforms. This means it is matched in terms of:

• mounting geometry at the brake pedal,
• electrical connector and pinout,
• signal characteristics compatible with factory control units.

Such a solution facilitates installation and reduces the risk of communication problems in the vehicle's bus, which is particularly important in modern Mercedes-Benz designs.

Component characteristics and benefits of use

The brake pedal sensor from this group of components has been developed as an element that works with advanced on-board electronics. Its use allows for:

• maintaining a predictable vehicle response to brake pedal input,
• maintaining compliance with factory operating parameters of safety systems,
• reducing the risk of errors in the control unit memory related to an incorrect braking signal.

For the user, this means stable operation of driving assistance systems and the possibility of further vehicle diagnostics based on standard service procedures.

Component condition and installation aspects

The offered brake pedal sensor is a used part, sourced from dismantling, which allows combining functionality with an attractive price compared to new components. Choosing an original component from this group increases the chance of maintaining full compatibility with the electrical installation and factory wiring harnesses.

Before installation, it is recommended to perform a standard inspection of the connector, ensure correct seating in the pedal bracket, and verify operation via computer diagnostics or a brake light test. This allows for quick confirmation of proper cooperation with the control systems.

Control system expansion and additional information

If you are planning a comprehensive repair or upgrade of the control zone in your Mercedes and need other elements from the same group, such as switches, control elements or ignition locks, check the available parts in the Mercedes switches, control elements and ignition locks category.

For premium class vehicles, it is particularly cost-effective to use verified, used components from dismantling. You can find more about the advantages of such a solution in cars of this brand in the article Used parts for Mercedes – original parts from dismantling, which discusses how to effectively reduce service costs while maintaining a high standard of operation.