Communication Module Mercedes W205 W213 C253 Hermes LTE Control Unit A2389007704

Communication Module Mercedes W205 W213 C253 Hermes LTE Control Unit is an advanced component from the Electronic control modules and controllers group, responsible for handling modern connectivity and telematics services in Mercedes vehicles. It enables the integration of LTE communication functions with onboard systems, ensuring stable data transmission and consistent operation of safety and comfort systems.

Specifications and technical data

• SKU: A2389007704
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2389007704
• Substitutable numbers: A2389007704, A 238 900 77 04
• Category: ECUs & Computer Modules

Function and application of the Hermes LTE module

The Communication Module Mercedes W205 W213 C253 Hermes LTE Control Unit acts as a central data transmission hub between the vehicle and external infrastructure, supporting remote access services, online diagnostics, and mobile connectivity functions. In Mercedes C-Class, E-Class, and SUV coupe models, it is responsible for the proper cooperation of multimedia, navigation, and selected assistance systems.

Thanks to its integration with the vehicle's electrical architecture, the module transmits information to other controllers, allowing for consistent operation of network services, software updates, and data-transmission-based safety functions. This solution is particularly important in modern designs where LTE connectivity is standard equipment.

Benefits of using an original Mercedes module

Using an original module from the Electronic control modules and controllers group ensures:

• high compatibility with the vehicle's electrical installation and communication buses,
• stable operation of online systems and remote services,
• preservation of factory logic for safety and comfort functions,
• the possibility of proper configuration using factory service software.

For vehicles equipped with extensive telematics systems, choosing an original communication module reduces the risk of communication errors, software incompatibilities, and issues with network service activation.

Characteristics and condition of the component

The offered module belongs to the category of advanced automotive electronics, where correct identification and matching to the specific vehicle configuration are crucial. The item is marked as used, which in practice means it comes from disassembly and should be verified for compatibility with the equipment and software of the specific car before installation.

When installing the communication module, it is recommended to perform adaptation and coding in accordance with Mercedes service procedures to ensure full functionality of LTE services and proper cooperation with other controllers in the vehicle.

Integration with vehicle electronic systems

The Hermes LTE module works with other controllers responsible for multimedia, navigation, safety systems, and comfort functions. As an element of the controller network, it requires proper connection to communication buses and adherence to the correct configuration sequence. A properly selected and configured module:

• ensures consistency of online service operation,
• enables the use of remote functions offered by the manufacturer,
• limits the occurrence of communication errors in the memory of other controllers.

For workshops specializing in automotive electronics, this is a component that allows for restoring full functionality of communication systems in modern Mercedes models.

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 comfort controllers, body modules, or multimedia units, check the available parts in the Mercedes electronic control modules and controllers category.

Technical support and part selection

When selecting advanced electronic components, such as communication modules, it is worth using reliable sources of knowledge about original components and their impact on the vehicle's character. Additional information on the importance of factory components for maintaining the brand's properties can be found in the article Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?, which shows how important it is to use original solutions in modern cars.