Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049062900

Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit is an original component from the Electronic control modules and controllers group, designed specifically for integration with the electrical installation and multimedia system of Mercedes C-Class W204 models. This used module provides factory control logic, a consistent interface, and compatibility with other vehicle systems, serving as a solid foundation for restoring full functionality to the radio, navigation, and CD player.

Specifications and technical data

• SKU: A2049062900-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2049062900
• Substitutable numbers: A2049062900, A 204 906 29 00, A 204 870 35 96, A2048703596, A 204 870 39 96, A2048703996, A 204 906 01 01, A2049060101, A 204 906 01 01 80, A204906010180
• Category: ECUs & Computer Modules

Module characteristics and function

The presented head unit combines radio, navigation, and CD player functions in a single housing, acting as the controller for the audio and information system in the Mercedes W204. As a component from the Electronic control modules and controllers group, it is responsible for signal processing, communication with the display, operation of panel buttons, and cooperation with the speaker system and other modules in the vehicle. The original design ensures:

• proper communication via the vehicle bus,
• stable operation of the multimedia system,
• preservation of the factory user interface,
• consistency with other controllers in the car.

Compatibility and replacement numbers

The unit was designed as a factory module for selected Mercedes W204 configurations, with the possibility of being used in place of several related manufacturer references. The presence of assigned interchangeable numbers facilitates the selection of the appropriate controller for a specific equipment version, model year, and electrical installation configuration. Thanks to this solution, the module can be used both as a replacement part in the event of a failure and for conversions between similar factory variants, provided that compatibility with the vehicle's installation is verified.

Benefits of using an original module

Using an original control unit in a Mercedes W204 allows for maintaining the consistency of the entire multimedia system. Compared to universal replacements, the factory module:

• maintains full integration with factory buttons and steering wheel controls,
• minimizes the risk of communication errors with other controllers,
• ensures predictable operation of navigation and audio functions,
• does not require interference with the original electrical wiring. For the user, this means more predictable operation, preservation of the Mercedes interior character, and easier diagnostics in the event of any faults.

Condition, origin, and practical application

The offered module is a used component, sourced from dismantling, which allows for combining reasonable cost with the preservation of original build quality. This type of solution is particularly beneficial for repairs of several-year-old vehicles, where functionality, compatibility, and compliance with factory specifications are the priority. Before installation, it is recommended to:

• verify the compatibility of the part number and replacement numbers with your vehicle,
• check the requirements regarding potential coding or adaptation in the vehicle,
• have the installation performed by a workshop experienced with Mercedes electronics.

System expansion and related components

If you are planning a comprehensive repair or upgrade of the onboard electronics area in your Mercedes and need other components from the same group, such as comfort controllers, multimedia modules, or CAN network management units, check the available parts in the Mercedes electronic control modules and controllers category. When planning multimedia system upgrades, it is also worth learning about the approach of other premium manufacturers to maintaining brand character and original solutions – this is described in more detail in our blog article: Audi and emotions in their purest form – how used original multimedia modules help maintain the brand's DNA.