Amplifier Antenna Sensor Mercedes W169 W245 Control Unit Module A1698208689

Antenna amplifier / sensor control module for Mercedes W169 and W245 is an original part from the Electronic control modules and controllers group, designed for precise antenna signal management and integration with the vehicle's electrical system. Thanks to its factory design, Mercedes ensures stable communication with the body's electrical system and multimedia system, which translates into reliable operation of comfort and connectivity systems.

Specifications and technical data

• SKU: A1698208689
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1698208689
• Substitutable numbers: A1698208689, A 169 820 86 89
• Category: ECUs & Computer Modules

Purpose and function in the vehicle

The presented module acts as a controller responsible for the operation of the antenna amplifier and its associated sensor in Mercedes A-Class (W169) and B-Class (W245) models. As part of the body's electrical system, it works with the factory wiring harness, audio system, and other electronic systems, ensuring:

• stable antenna signal amplification for radio and communication systems,
• correct data exchange with other modules in the vehicle,
• compliance with the electrical architecture of the specific Mercedes W169 / W245 generation.

This allows the module to help maintain the proper functioning of infotainment and comfort systems without the need for universal solutions or installation modifications.

Advantages of using an original Mercedes module

Using an original electronic control module to replace a damaged part allows for the preservation of the system's original operating parameters. In practice, this means:

• reliable fit with the vehicle's electrical system without wiring modifications,
• compatibility with the software of other controllers in the car,
• reduced risk of antenna signal interference and communication errors in the vehicle network.

This solution is particularly beneficial for users who want to maintain the integrity of their Mercedes' electronics and avoid problems typical of low-quality aftermarket parts.

Characteristics of the used module

The offered part is a used product from dismantling, which represents a cost-effective solution while maintaining the original manufacturer's specifications. Modules of this type are designed with a significant durability margin, so with proper vehicle operation, they can continue to work stably and predictably.

For automotive electronics, matching the type of controller and vehicle architecture is crucial, so it is advisable to verify compatibility with the specific equipment version and model year before purchasing.

Selection, installation, and compatibility

To correctly select the antenna amplifier / sensor module for your Mercedes, it is recommended to:

• verify compatibility by part number in the service documentation or manufacturer's catalog,
• check if the vehicle belongs to the W169 or W245 series and if the equipment configuration matches the module used,
• entrust the installation to a workshop experienced with Mercedes electronics, which reduces the risk of installation damage.

The installation itself usually involves disconnecting the battery, removing covers in the antenna area or the appropriate body pillar, and replacing the controller in the existing harness, while adhering to ESD principles and the correct order of connecting connectors.

More about used electronics and related categories

If you want to better understand how to safely choose used controllers, sensors, and other vehicle electronics, as well as how to check compatibility by part numbers and software, check out the Global Parts guide: Used car electronics on board – why choose second-hand ECU modules and sensors?

If you are planning a comprehensive repair or upgrade of the control electronics area in your Mercedes and need other parts from the same group, such as comfort modules, body controllers, or multimedia system management units, check the available parts in the Mercedes Electronic Control Modules and Controllers category.