Mercedes W212 ESP Yaw Rate Speed Sensor Control Unit A0009052500

The Mercedes W212 Acceleration Sensor ESP is a component from the Electronic Control Units and Controllers group, responsible for precise measurement of body accelerations and cooperation with the ESP (Electronic Stability Program) system. A correctly selected sensor ensures predictable vehicle behavior in critical driving situations and restores full functionality to the active safety systems in your Mercedes.

Specifications and technical data

• SKU: A0009052500
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0009052500
• Substitutable numbers: A0009052500, A 000 905 25 00
• Category: ECUs & Computer Modules

Function and Role of the ESP Acceleration Sensor

The acceleration sensor in the ESP system measures the lateral and/or longitudinal accelerations of the vehicle body and then transmits the signal to the stability control system's controller. Based on this data, the ESP system can correct the vehicle's behavior by appropriately controlling the brakes of individual wheels and the engine's torque. A functional sensor is crucial for the proper operation of safety systems such as traction control or cornering stability assist.

Intended Use and Compatibility with Mercedes W212

The presented component is designed for the Mercedes W212 platform, ensuring proper structural and electrical compatibility for installation in this model. The correct signal characteristics and conformity with the vehicle's electronic architecture allow for proper cooperation with the factory ESP controller without the need for wiring modifications or software interventions beyond the standard adaptation procedure.

Benefits of Using an Original Electronic Module

Choosing an original acceleration sensor from the Electronic Control Units and Controllers group guarantees adherence to the parameters specified by the vehicle manufacturer. You receive a component with appropriate sensitivity, thermal stability, and vibration resistance, which translates to repeatable ESP system performance under various road conditions. A used, functional OEM part offers a sensible compromise between repair costs and maintaining the factory level of safety and driving comfort.

Condition, Verification, and Preparation for Installation

The offered sensor is a used part, sourced from disassembly, allowing for economical repair of the ESP system while maintaining the original manufacturer's specifications. Before being offered for sale, components of this type are routinely verified for the condition of connectors, housing, and their ability to function within the vehicle's electrical system. Installation by a qualified service center is recommended, following manufacturer procedures, including proper mounting to the body and potential adaptation within the diagnostic system.

Selection by Part Numbers and Technical Support

Due to the specific nature of automotive electronics, when selecting an ESP acceleration sensor for a Mercedes, it is advisable to pay attention to the compatibility of the part number and any interchangeable numbers. This helps avoid hardware and software compatibility issues within the ESP system. If you wish to deepen your knowledge on the safe selection of used modules and sensors, methods for verifying compatibility, and practical aspects of installation, consult the guide: Used Automotive Electronics – ECU Modules and Second-Hand Sensors.

If you are planning a comprehensive repair or upgrade of the safety and stability systems in your Mercedes and require other components from the same group, such as controllers, sensor modules, or other electronic system components, check the available parts in the category Mercedes Electronic Control Units and Controllers.