Mercedes SLK R171 Crash Sensor Air Bag Impact Module Control Unit A0028201326

Mercedes SLK R171 Impact Sensor is a component from the Electronic Control Units and Controllers category, designed for use in the vehicle's safety system. This used genuine Mercedes part ensures consistency with the car's factory electronic architecture and stable airbag system operation.

Specifications and technical data

• SKU: A0028201326
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0028201326
• Substitutable numbers: A0028201326, A 002 820 13 26
• Category: ECUs & Computer Modules

Purpose and Role in the Safety System

The impact sensor for Mercedes SLK R171 is responsible for registering overloads during a collision and transmitting a signal to the airbag system controller. A properly functioning sensor is crucial for the correct sequence of passive safety element deployment.

As part of the electronic control units group, the sensor collaborates with the vehicle's bus system and other controllers, forming a cohesive system for monitoring driver and passenger safety.

Benefits of Using a Genuine Mercedes Sensor

Using a genuine impact sensor in the Mercedes SLK R171 allows for:

• Full electrical compatibility with the vehicle's wiring and the factory safety system controller.
• Correct activation threshold parameters, in line with the vehicle manufacturer's specifications.
• Consistency with the software and operating logic of other modules in the car.

A used OEM part from the electronic control units and controllers category is a solution that allows for optimized repair costs while maintaining the manufacturer's intended design.

Condition, Verification, and Selection by Part Numbers

The offered sensor is a salvaged component and is classified as a used genuine part. Such components are typically verified for mechanical damage to the outer casing and connectors, which facilitates trouble-free installation in the vehicle.

When selecting a sensor for a specific car, it is advisable to base your choice on:

• The OEM part number assigned to the specific model and year,
• Available interchangeable part numbers specified by the manufacturer,
• Verification using the VIN in the parts catalog.

This minimizes the risk of hardware or software incompatibility with the existing vehicle configuration.

Installation and Integration with the Vehicle's System

The impact sensor in this series is designed as a component intended for installation at specific structural points of the body. Proper seating and correct tightening torque of the fasteners are important for the system's accurate interpretation of overloads.

When replacing, it is recommended to:

• Adhere to safety procedures related to working on the airbag system,
• Disconnect the vehicle's power supply before starting work,
• Check the condition of the wiring harness and connectors at the installation site.

After installing the sensor, it is advisable to perform a computer diagnostics scan to clear any error codes stored in the controller's memory and confirm correct communication with the module.

Mercedes Electronic Control Units and Controllers – Selecting Alternative Solutions

If you are looking for other components from the Mercedes Electronic Control Units and Controllers category for your car, check out the available Mercedes Electronic Control Units and Controllers in our store to select compatible components for your specific model.

More About Used Automotive Electronics

When choosing a used impact sensor, it is worth familiarizing yourself with the principles of selecting electronics by OEM numbers and issues of hardware and software compatibility. A detailed discussion of these topics can be found in the guide Used Automotive Electronics Onboard – Why Choose Used ECUs and Sensors?, which describes practical tips for installing and diagnosing such components.