Mercedes W176 Front Crash Impact Airbag Sensor Pressure Sensor Unit A1769051000

Mercedes W176 Front Crash Impact Airbag Sensor Pressure Sensor Unit is a component from the Electronic control modules and controllers group, responsible for precise collision detection in the front body zone. This component works with the airbag system, ensuring the correct response of the safety system at a critical moment.

Specifications and technical data

• SKU: A1769051000-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1769051000
• Substitutable numbers: A1769051000, A 176 905 10 00
• Location on the vehicle: Front
• Category: ECUs & Computer Modules

Purpose and function of the sensor

The offered crash sensor is dedicated to W176 series models and operates in the front part of the vehicle, where it is responsible for recording sudden decelerations during a collision. The signal from this element is sent to the airbag controller, which, based on this, makes the decision to deploy the driver and passenger airbags.

Thanks to a design consistent with solutions used factory-standard in Mercedes vehicles, the sensor maintains appropriate sensitivity, response time, and parameter stability under typical passenger car operating conditions.

Integration with the safety system

As an element from the Electronic control modules and controllers category, the sensor works with the central SRS system controller, creating a coherent passive safety system. Properly mounted in the front body zone, it enables:

• reliable detection of frontal collisions within a specified speed range,
• transmission of the impact signal in the form of an electrical impulse to the controller,
• coordination with other sensors and modules in the vehicle.

Such a connection allows for maintaining the consistency of the entire airbag system's operation, which is crucial from the perspective of vehicle user safety.

Vehicle placement and mounting aspects

The sensor is designed for installation in the front part of the body, in the crash zone. The placement on the vehicle has been selected so that the element can register the change in acceleration during a collision as quickly as possible and transmit it to the controller.

When replacing, it is recommended to maintain the factory mounting position, the correct orientation, and secure mechanical fastening, which has a direct impact on the accuracy of the signal reading. In the case of work on the airbag system, the vehicle manufacturer's safety procedures must always be followed.

Product characteristics and application

The presented front airbag crash sensor is an original element from a Mercedes vehicle, which promotes compatibility with the factory electrical installation and SRS controller software. The product comes from the secondary market, making it a cost-effective solution for post-accident repairs or safety system service.

Choosing an original component from the same design group as the factory-installed element allows for reducing the risk of communication errors in the vehicle network and problems with airbag system diagnostics.

Why choose used OEM electronics

In the case of elements such as crash sensors, controllers, or comfort modules, used OEM components often provide a favorable compromise between cost and quality. A properly selected component, coming from a vehicle of the same brand and generation, can work stably for a long time, provided it is correctly installed and diagnostically verified.

If you want to better understand when choosing electronics from the secondary market is justified and how to select modules and sensors for a specific car, it is worth checking out the guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

Expanding the electronics system in a Mercedes

If you are planning a comprehensive repair or upgrade of the body electronics area in your Mercedes and need other elements from the same group, such as safety system controllers, body modules, or additional sensor systems, check the available parts in the Electronic control modules and controllers Mercedes category.