Mercedes W204 Multimedia Audio CD Player Radio Head Unit A2049006007

Mercedes W204 Multimedia Audio CD Player Radio Head Unit is an original component from the Electronic control modules and controllers category, designed for installation in the rear part of the vehicle. It serves as a factory Mercedes multimedia solution, ensuring consistency with the vehicle's electrical system and maintaining the original functionality of the audio system.

Specifications and technical data

• SKU: A2049006007
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2049006007
• Substitutable numbers: A1729028302, A 172 902 83 02, A2049012303, A 204 901 23 03, A2049006007, A 204 900 60 07, A2049007009, A 204 900 70 09, A 204 900 14 07, A2049001407, A2049000308, A 204 900 03 08, A2049001208, A 204 900 12 08, A2049006008, A 204 900 60 08
• Location on the vehicle: Rear
• Category: ECUs & Computer Modules

Technical and functional characteristics

The multimedia player in this model is responsible for operating the radio and CD functions, integrating with the factory sound system and the vehicle's wiring. As a component from the electronic control unit family, it works in conjunction with other comfort and infotainment modules, allowing for consistent control from the cockpit and dashboard buttons.

The placement in the rear of the vehicle promotes organized cable routing and facilitates maintenance, while not interfering with cabin ergonomics. The module is designed as part of an OEM system, ensuring proper operating parameters, stable communication with the vehicle bus, and compatibility with factory audio features.

Integration with the vehicle's electrical system

The radio CD player is an electronic component adapted to work with the original Mercedes W204 electrical architecture. This allows for the retention of existing controls from the center panel and, depending on the vehicle configuration, integration with other comfort modules. The rear placement promotes stable mounting and reduces exposure to vibrations typical of components mounted directly in the dashboard.

As a part from the Electronic control modules and controllers category, the player interacts with the vehicle's installation in the manner intended by the manufacturer, which minimizes the risk of communication errors and unwanted messages on the instrument cluster.

Practical application and benefits of installation

Using this multimedia player allows for the restoration of full factory audio system functionality in the event of a failure or mechanical damage to the existing module. This is a particularly beneficial solution for users who want to maintain the original interior appearance, factory controls, and consistency with the vehicle's other electronic systems.

Choosing an original module from this series is also a way to reduce issues with connector matching, parameterization, and communication with other controllers. For workshops and service centers specializing in the Mercedes brand, this is a predictable, well-known component that can be integrated into the diagnostic and replacement process according to manufacturer procedures.

Selection by part numbers and technical support

When selecting this type of module, it is crucial to pay attention to the manufacturer's markings and interchangeable numbers to ensure full compatibility with the specific vehicle configuration. In workshop practice, identification by numbers and vehicle data is often used, which helps reduce the risk of installing an incorrect controller.

If you would like to deepen your knowledge regarding the selection of used electronic modules, compatibility principles, and selection by manufacturer markings, it is worth checking out our guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?. You will find practical tips there regarding working with onboard electronics, which can also be applied to multimedia systems.

Expanding the control system in Mercedes

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