Mercedes W204 CD Player Radio Stereo Navigation Sat Nav Head Unit A2049009410

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes W204 CD Player Radio Stereo Navigation Sat Nav Head Unit is an original module from the Electronic control modules and controllers group, designed for factory installation in Mercedes C-Class W204 generation models. It ensures seamless control of audio and navigation functions, maintaining full integration with the vehicle's electrical installation and electronic architecture.

Specifications and technical data

• SKU: A2049009410
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2049009410
• Substitutable numbers: A2049009410, A 204 900 94 10
• Category: ECUs & Computer Modules

Technical characteristics and vehicle integration

The CD radio with satellite navigation function in the Mercedes W204 is designed as the central element of the multimedia system, communicating with other controllers via the vehicle's data buses. This ensures that audio operation, system messages, and navigation prompts are handled in a predictable and stable manner, consistent with the manufacturer's original specifications.

As an item in the Electronic control modules and controllers category, the device works with other comfort and safety modules, allowing for the preservation of original functionality when replacing a damaged unit. Using a factory solution reduces the risk of communication errors, coding issues, and incompatibility with the specific vehicle configuration.

Audio and navigation system functionality

The CD radio version with integrated satellite navigation is responsible for processing audio signals, controlling sound sources, and generating navigation prompts. In combination with factory speakers and other multimedia modules, it provides consistent sound quality and predictable operation via panel buttons and the vehicle interface.

The unit is prepared for integration with the factory control systems in the Mercedes W204, which facilitates ergonomic operation and menu logic familiar to drivers of this generation. Replacing it with an original radio with navigation allows for the restoration of full multimedia system functionality after a failure or damage to the previous module.

Application, selection, and compatibility

The described CD radio with navigation is intended for installation in Mercedes vehicles of the W204 family, where it serves as the central control module for the audio and navigation system. When selecting the correct unit, it is crucial to compare the vehicle's equipment configuration and compatibility with the existing installation to maintain full control functionality from within the cabin.

The device has an assigned OEM part number and associated interchangeable numbers, which facilitates verification of compatibility with a specific car version. In practice, this reduces the risk of installing the wrong module and speeds up the service process in workshops specializing in automotive electronics.

Benefits of using an original module

Using a factory CD radio with navigation in a Mercedes W204 allows for maintaining interface consistency, correct cooperation with other controllers, and predictable operation of multimedia functions. The original module from the Electronic control modules and controllers group is designed for long-term operation in demanding temperature and vibration conditions typical of a vehicle interior.

For users, this means stable operation of the audio and navigation system, no need to adapt the installation for universal solutions, and easier diagnostics in case of potential faults. Replacing with an original component is particularly beneficial where the priority is to maintain the factory character of the equipment and full integration with the car's electronics.

On-board electronics and modules of other brands

Although the described radio concerns Mercedes vehicles, issues related to multimedia modules and controllers are similar in other premium brands as well. In the case of BMW, similar roles are played by iDrive systems and modules responsible for controlling comfort and engine functions. If you want to better understand how to safely use used electronic modules in premium cars, it is worth consulting specialized materials. Practical tips can be found in the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models, which discusses the topic using the 3 and 5 series as examples.

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