Airbag Control Unit Mercedes W169 W245 System Module ECU A1698204085

Mercedes W169 W245 Airbag Sensor Module is an original part from the Electronic Control Units and Controllers category, designed for installation in the rear of the vehicle. Designed by the vehicle manufacturer, it ensures consistency with the factory safety system architecture and allows for professional airbag system repair.

Specifications and technical data

• SKU: A1698204085
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1698204085
• Substitutable numbers: A1698204085, A 169 820 40 85, A1698202185, A 169 820 21 85, A1698209926, A 169 820 99 26, A1698207726, A 169 820 77 26, A1698206626, A 169 820 66 26, A1698201326, A 169 820 13 26
• Location on the vehicle: Rear
• Category: ECUs & Computer Modules

Module Purpose and Function

The presented airbag sensor module is responsible for monitoring and processing signals related to the airbag system's operation in the rear body section. As an original Mercedes part, it collaborates with the factory electrical system and control software, facilitating diagnostics and subsequent service operations.

Its placement in the rear zone of the vehicle body allows for accurate interpretation of overloads and collision events in this area, which is crucial for the proper functioning of the passive safety system.

Benefits of Using an Original Module

Using an original airbag sensor in Mercedes W169 and W245 series ensures:

• Full compatibility with the factory installation – no need for wiring or connector modifications.
• Stable cooperation with other vehicle controllers.
• Proper coding and adaptation during service.
• Consistency with the manufacturer's factory safety strategies.

An additional advantage is that the module belongs to a specialized group, namely Electronic Control Units and Controllers, which simplifies its identification in catalogs and diagnostic systems.

Product Characteristics and Installation

The module is a used part, allowing for economical vehicle repair while maintaining the original manufacturer's specifications. Due to its factory origin, the correct mounting geometry and connector layout are preserved, ensuring efficient installation in the rear body section.

Before installation, it is recommended to:

• perform diagnostics of the airbag system with an appropriate tester,
• check the integrity of the electrical wiring in the rear part of the vehicle,
• adhere to safety procedures related to working on airbag systems.

Application in Service and Post-Accident Repairs

The airbag sensor is a key component in post-accident repairs when damaged safety system components need replacement. Choosing an original module allows for maintaining operating parameters consistent with the manufacturer's design, which is important for both safety and subsequent technical inspections.

In the case of extensive vehicle electronics repairs, it is advisable to consider a comprehensive verification of all related controllers to ensure the configuration consistency of the entire system.

Other Mercedes Electronic Control Units and Controllers

If you are looking for other Mercedes Electronic Control Units and Controllers for your car, check out our dedicated offer: Mercedes Electronic Control Units and Controllers. This will help you easily select compatible parts for your specific model and trim level.

Knowledge and Support for Part Selection

When working with advanced vehicle electronics, knowledge of how premium manufacturers design their systems is beneficial. In the context of high-end brands, it is worth familiarizing yourself with material describing the role of original components in preserving the car's character: Audi and Emotions in Pure Form – How Used Parts Help Maintain the Brand's DNA. The article shows why using original modules and controllers is also important in everyday use.