Mercedes W205 Crash Impact Acceleration Sensor Left Right N/O/S A2139051300

Mercedes W205 Crash Impact Acceleration Sensor Left Right is a component from the Cameras, monitoring and sensor kits group, responsible for precise detection of acceleration in the vehicle's side zone. Thanks to its factory design intended for installation on the left or right side of the body, the sensor works with passive safety systems, ensuring consistent operation of the airbag system and body control modules. This is a solution for users expecting compatibility with the factory electronics architecture in Mercedes vehicles.

Specifications and technical data

• SKU: A2139051300
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2139051300
• Substitutable numbers: A2139051300, A 213 905 13 00
• Location on the vehicle: Right, Left
• Category: Camera, Monitor & Sensor Kits

Purpose and function of the impact sensor

The presented impact sensor has been designed as a component of the side impact monitoring system in the Mercedes W205 body. Its task is to quickly transmit a signal to the safety control unit upon detecting a collision, which enables the proper reaction of the airbag system and other components responsible for passenger protection. The use of a dedicated sensor allows for maintaining consistency of threshold parameters and operating characteristics with the vehicle's factory configuration.

Vehicle placement and body integration

The sensor is adapted for installation on both the right and left side of the vehicle, which facilitates the selection of the appropriate component during post-collision repairs or when replacing a damaged module. The housing design and mounting method are adapted to the factory mounting points in the body, which allows for stable seating of the sensor in the zone where actual body structure deformations are recorded. Such a solution promotes repeatability of readings and correct cooperation with other sensors in the vehicle.

Benefits of using an original sensor

Using an impact sensor dedicated to the Mercedes W205 allows for maintaining the safety system's operating parameters in accordance with the vehicle manufacturer's specifications. Properly selected measurement characteristics, electrical compatibility, and correct mechanical fit reduce the risk of diagnostic errors and incorrect readings. For the user, this means stable cooperation with the existing installation, predictable operation of protective systems, and easier service maintenance in the future.

Component condition and service application

The offered sensor comes from the group of used components, which makes it an attractive solution for post-accident repairs, where it is crucial to maintain compliance with factory specifications while optimizing costs. This type of sensor will work well both when replacing a single damaged module and during broader work within the safety system, including diagnostics and restoring full functionality of the acceleration monitoring systems.

Expanding the sensor system in Mercedes

If you are planning a comprehensive repair or modernization of the body safety zone in your Mercedes and need other elements from the same group, such as additional impact sensors, monitoring modules, or components supporting the operation of environment observation systems, check the available parts in the Mercedes cameras, monitoring and sensor kits category.

For those interested in a broader approach to modifying and improving cars, including the use of used electronic components and sensors, an article describing the characteristics of sports versions and the possibilities of their expansion may be helpful – you can find it here: MINI John Cooper Works – what makes it stand out and how to improve your MINI?.