Bluetooth Module Mercedes W205 W213 W222 W238 Control Unit ECU A1679004712

Bluetooth Module Mercedes W205 W213 W222 W238 Control Unit ECU is an advanced component from the Electronic control modules and ECUs category, designed for the integration of communication systems in Mercedes vehicles. This used Hermes module allows for professional repair or replacement of the existing control unit, maintaining the factory electronics architecture and consistency with the vehicle's installation.

Specifications and technical data

• SKU: A1679004712
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1679004712
• Substitutable numbers: A1679004712, A 167 900 47 12
• Category: ECUs & Computer Modules

Purpose and function of the Hermes module

The presented Hermes communication control unit is responsible for handling selected telematics and communication functions in modern Mercedes C-Class, E-Class, S-Class models, and selected coupe versions. As part of the vehicle's electronic system, it works in conjunction with other control units, ensuring consistent data flow and stable operation of comfort and safety systems.

Thanks to its design compliant with manufacturer standards, the module is ready for operation in the original vehicle environment, which facilitates diagnostics, coding, and subsequent maintenance.

Benefits of using an original Mercedes module

Using an original communication control unit to replace a damaged component allows for maintaining the integrity of the vehicle's electrical and logical installation. In practice, this means:

• preserving the factory logic of communication systems,
• easier integration with the existing network of control units,
• the possibility of proper coding and adaptation at a service center,
• consistency with the software used in the given vehicle generation.

For workshops and users, this means a more predictable installation process and a lower risk of compatibility issues compared to aftermarket replacements of unknown origin. Choosing an original module from the Electronic control modules and ECUs group is particularly important in the case of complex communication systems.

Product characteristics and condition

The offered control unit comes from dismantling and is marked as a used Mercedes brand component. Such components are often chosen for repairs where maintaining compliance with factory electronics is crucial, while simultaneously optimizing service costs. The module is intended for further configuration and adaptation in accordance with the procedures used in the specific vehicle model.

Before installation, it is recommended to verify compatibility with the specific equipment version and vehicle software, as well as to perform full diagnostics after installation to confirm proper communication within the vehicle network.

Professional application and electronics selection

The Hermes module is best suited for workshops specializing in Mercedes electronics, independent service centers, and informed users who plan to repair communication systems while maintaining a high level of technical compliance. Proper selection of the control unit for a specific vehicle allows for reducing diagnostic time and avoiding system integration problems.

To better understand when choosing a used control unit or other electronic module is justified, it is worth reading the guide: The second life of electronics – when is it worth choosing used engine control units, comfort modules, and parking sensors?. The article discusses practical aspects of selecting and operating used automotive electronics.

Expanding repairs within Mercedes control modules

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