Mercedes C204 Stereo Radio Sat Navi Head Unit Multimedia A2049003311

The Mercedes C204 Stereo Radio Sat Navi Head Unit Multimedia is an original module from the Electronic Control Units and Controllers group, designed to operate the multimedia system, satellite navigation, and radio in Mercedes vehicles. It ensures seamless management of infotainment functions, integrating audio, navigation, and communication control into a single, factory-fitted unit.

Specifications and technical data

• SKU: A2049003311
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2049003311
• Substitutable numbers: A2049003311, A 204 900 33 11
• Category: ECUs & Computer Modules

Functionality and Application of the Multimedia Unit

The presented head unit is responsible for the central control of the audio system, satellite navigation, and multimedia functions in the C204 body style of the C-Class. As part of the vehicle's factory electronics, it collaborates with other controllers, ensuring stable communication on the bus and predictable operation of all related functions.

Thanks to its construction compliant with manufacturer standards, the module allows for the preservation of the original operating logic, menu ergonomics, and the infotainment system's work culture characteristic of Mercedes.

Benefits of Using an Original Control Module

Using an original unit from the Electronic Control Units and Controllers group helps maintain the vehicle's configuration consistency and reduces the risk of compatibility issues common with aftermarket replacements. The module is prepared to work with factory wiring harnesses, displays, and control elements, facilitating installation and subsequent diagnostics.

In practice, this means:

• preservation of the factory user interface and menu logic,
• proper cooperation with other comfort and body control units,
• easier identification in Mercedes diagnostic systems,
• consistent operation of radio, navigation, and multimedia functions within a single module.

Technical Characteristics and Vehicle Integration

The head unit is designed as a central element of the infotainment system, operating within Mercedes' electronic architecture. It is responsible for processing audio signals, handling navigation data, and communicating with control panels and the display. This allows for precise adjustment of operating parameters to the specific vehicle configuration.

The module is intended for installation in a vehicle equipped with the appropriate electrical system and hardware, which allows for the preservation of the factory cockpit appearance and proper interior component fit.

Product Condition and Service Application

The offered multimedia unit is a used component, making it an attractive service solution for replacing a damaged factory radio or navigation system. This allows for the restoration of full infotainment system functionality without the need to purchase expensive new parts.

This solution is particularly beneficial for vehicles several years old, where maintaining electronics functionality at a reasonable operating cost is crucial.

Expansion of Mercedes Electronics Modernization

If you are planning a comprehensive repair or upgrade of the onboard electronics in your Mercedes and require other components from the same group, such as comfort modules, multimedia controllers, or audio system management units, check the available parts in the category Mercedes Electronic Control Units and Controllers.

Substantive Support and Knowledge about Used Modules

When planning the replacement or modernization of a multimedia system, it is advisable to consult reliable materials describing the selection and integration of used components. Practical tips on maintaining the brand's character while using original parts can be found in the article Audi and Emotions in Pure Form. How Used Parts Help Maintain Brand DNA?, and a broader context of using used components in cars from 1998–2012 is discussed in the post Second Life for a Youngtimer – How Used Car Parts Revitalize Cars from 1998–2012.