Crash Sensor Mercedes W205 W213 W222 Impact Airbag Unit A2229051400

Crash Sensor Mercedes W205 W213 W222 Impact Airbag Unit is an original passive safety system component designed to work with the airbag system in Mercedes vehicles. This precision sensor, mounted on the right or left side of the body, is responsible for quickly detecting a collision and sending a signal to the airbag control unit, which is crucial for the effective operation of the SRS system.

Specifications and technical data

• SKU: A2229051400
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2229051400
• Substitutable numbers: A2229051400, A 222 905 14 00, A 213 905 13 00, A2139051300, KD
• Location on the vehicle: Right, Left
• Category: Airbag Parts

Function and application of the impact sensor

The Crash Sensor Mercedes W205 W213 W222 Impact Airbag Unit is a component from the Airbag Parts category, responsible for detecting G-forces generated during a collision. Based on the signal from this component, the SRS control unit decides on the activation of the appropriate airbags and seat belt tensioners, which directly affects the level of protection for the driver and passengers.

Placement on the vehicle on the right or left side allows for precise monitoring of the crumple zone and rapid system response. As a result, the sensor works with other elements of the safety system, creating a coherent, optimized protection system in modern mid-size and luxury Mercedes models.

Construction, installation and compatibility

The offered sensor is a factory component intended for integration with the electrical system of Mercedes W205 and W213 vehicles. The connector design and mounting method are adapted to factory mounting points, which facilitates service and reduces the risk of errors during replacement. As a result, the element can be incorporated into the existing system without the need for wiring modifications or interference with the body structure.

The product has a dedicated OEM part number and assigned replacement numbers, which facilitates verification of compatibility with a specific vehicle configuration. Before installation, it is recommended to compare the markings with the vehicle data and perform SRS system diagnostics to confirm the correct communication of the sensor with the airbag control unit.

Condition, verification and safety of use

The sensor is offered in a used condition, which means it comes from disassembly but has been verified for suitability for further operation. Such elements in Mercedes vehicles are designed with a large margin of durability, which is why a properly selected and functional sensor can still effectively work with the passive safety system.

During installation, it is recommended to:

• use appropriate procedures for disconnecting the vehicle power supply,
• check the condition of the wiring and connectors at the installation site,
• perform an SRS system test using an appropriate diagnostic tester.

This approach minimizes the risk of errors in the operation of the airbag system and allows you to fully utilize the functionality of the offered sensor.

Benefits of using an original Mercedes sensor

Choosing an original impact sensor for Mercedes W205 and W213 ensures the maintenance of factory safety system operating parameters. The component is designed to work with the specific electronic architecture of the vehicle, which translates into stable communication with the SRS module and predictable operation in emergency situations.

The main advantages include:

• Full integration with the airbag system – the sensor works with the factory control unit software.
• Proper placement on the vehicle – possibility of mounting on the right or left side in accordance with the manufacturer's requirements.
• Reduction of diagnostic error risk – using the correct element reduces the number of errors stored in the SRS control unit memory.

Expanding the safety system in Mercedes

If you are planning a comprehensive repair or modernization of the passive safety zone in your Mercedes and need other elements from the same group, such as additional crash sensors, SRS control modules, or wiring harnesses, check the available parts in the Mercedes Airbag Parts category.

For drivers who want to better understand how to choose original used components for popular car models, our guide will be useful – more information can be found in the article The best used car parts – a guide to the most frequently chosen original parts.