W204 Mercedes Sat Nav CD Player Radio Stereo Head Unit A2049002013 W204

Visual condition of the part

The product shows signs of use visible in the photos.

W204 Mercedes Sat Nav CD Player Radio Stereo Head Unit is a factory-fitted head unit designed for integration with the multimedia system in C-Class models. As a component from the Electronic control modules and controllers group, it is responsible for operating the navigation, radio, and CD player, ensuring seamless control from the cockpit. This is a solution for users who expect stable electronic performance and the preservation of the vehicle's original interior functionality.

Specifications and technical data

• SKU: A2049002013
• Mark: Mercedes (Genuine OE)
• OEM Part Number: A2049002013
• Substitutable numbers: A2049002013, A 204 900 20 13
• Category: ECUs & Computer Modules

Function and application in the Mercedes W204

The described unit is a central element of the audio-navigation system in the W204 generation Mercedes C-Class. It is responsible for processing signals from the radio antenna, handling CD media, and interfacing with the factory display and control buttons on the center console. This provides the driver with a cohesive, ergonomic interface that requires no modifications to the installation.

As an original module from the Electronic control modules and controllers group, it is designed to operate within the vehicle's network, which minimizes the risk of conflicts with other onboard systems. This is particularly important for vehicles equipped with extensive comfort electronics and advanced driver-assistance systems.

Benefits of using the original head unit

Using a factory multimedia unit in the Mercedes W204 allows for full compatibility with the electrical installation and existing control modules. This means:

• proper communication with other controllers in the vehicle,
• preservation of control functions from the dashboard panel,
• a consistent look for the center console without mismatched adapters,
• easier diagnostics using factory service tools.

For workshops and users, this means predictable system behavior, no need for wiring modifications, and a reduction in potential communication issues within the vehicle's network. This solution is particularly beneficial for professional repairs of onboard electronics.

Integration with the installation and mounting aspects

The unit is designed as a drop-in replacement for the factory component, utilizing original mounting points and connectors. This facilitates service work and reduces replacement time compared to universal solutions. Compatibility with factory brackets, bezels, and interior trim elements is also maintained.

In practice, this means that after matching it to the specific vehicle configuration, it is possible to restore full functionality of the audio-navigation system without interfering with the dashboard structure. This is important both from an aesthetic point of view and for the future resale of the car.

Mercedes electronic control modules and controllers – expansion and service

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 management units, check out the available parts in the Mercedes electronic control modules and controllers category.

When selecting used control modules, it is worth paying attention to compatibility with the vehicle's installation and the possibilities for adaptation in the vehicle. Practical tips on selecting and installing such components can be found in the article A second life for electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, which discusses key aspects of working with automotive electronics in an accessible yet technical manner.

Summary

The W204 Mercedes Sat Nav CD Player Radio Stereo Head Unit is a solution for users who want to maintain the original look of the cockpit and the predictable operation of the multimedia system. As a factory component from the electronic controllers group, it ensures seamless cooperation with other modules in the vehicle and facilitates servicing. It is a practical choice for professional repairs or restoring the multimedia equipment in this model.