Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049069801

Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit is a factory-fitted component from the Electronic control modules and controllers group, designed for integration with the electrical system of Mercedes vehicles. It offers seamless management of multimedia and navigation functions, maintaining the original look of the cockpit and compatibility with the factory electronics architecture.

Specifications and technical data

• SKU: A2049069801
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2049069801
• Substitutable numbers: A2049069801, A 204 906 98 01
• Category: ECUs & Computer Modules

Technical and functional characteristics

The presented CD player with navigation function is the central control module for the multimedia system in the Mercedes W204 class. As a component from the Electronic control modules and controllers group, it interacts with the vehicle's installation via communication buses, enabling control of audio, navigation, and integration with other comfort and driver information systems.

The device is designed as an OEM component, which means it fits the factory center console, features correct mounting points, and utilizes the manufacturer's specified connection points. This ensures consistency of the user interface, operational ergonomics, and predictable system behavior after installation.

Integration with the vehicle's electrical system

The navigation head unit designed for the Mercedes W204 works with the vehicle's original wiring harness, which facilitates installation and reduces the need for modifications. The module communicates with other controllers in the vehicle, such as units responsible for information display, steering wheel controls, or audio systems, ensuring the cohesive operation of the entire system.

By using an original solution, it is possible to maintain features intended by the manufacturer, such as support for commands from factory buttons, integration with the instrument cluster, and cooperation with additional electronic modules, if present in the specific vehicle configuration.

Application and selection by part numbers

The offered item belongs to the group of electronic controllers and modules; therefore, matching it to the specific configuration of the Mercedes W204 is crucial. It is recommended to compare factory markings with the existing component or verify compatibility using part numbers in the service documentation to ensure proper cooperation with other vehicle systems.

In case of doubts regarding compatibility, it is advisable to seek assistance from a specialist or a service center that can verify the module's compatibility with the specific equipment version, model year, and electronics configuration of the car.

Product condition and benefits of choosing a used module

The item is offered in used condition, which allows for an economical replacement of a damaged or faulty device while maintaining the manufacturer's original specifications. Choosing such a solution is particularly beneficial for vehicles where maintaining the factory electronics architecture and a consistent interior appearance is a priority.

A used OEM module also provides the opportunity to avoid problems typical of aftermarket replacements, such as incomplete functionality, limited integration with other controllers, or the need for additional installation adjustments. As a result, the repair or upgrade process of the multimedia system proceeds more efficiently and with a lower risk of incompatibility.

Expert support and additional information

If you want to better understand how to safely select and install used electronic modules in a car, including controllers and sensors, a guide describing selection by VIN/OEM, hardware and software compatibility issues, and practical installation tips will be useful: Used automotive electronics – a guide to selecting modules and sensors.

If you are planning a comprehensive repair or upgrade of the onboard electronics in your Mercedes and need other components from the same group, such as comfort controllers, multimedia modules, or driver assistance control units, check the available parts in the Mercedes electronic control modules and controllers category.