Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049000114

Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit is a factory module from the Electronic control modules and controllers group, designed for integration with the multimedia system in the cabin. It serves as the central unit handling radio functions, satellite navigation, and interface control, ensuring consistent operation of the onboard electronics in your Mercedes.

Specifications and technical data

• SKU: A2049000114
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2049000114
• Substitutable numbers: A2049000114, A 204 900 01 14
• Category: ECUs & Computer Modules

Purpose and function in the vehicle

This factory navigation and radio set for the Mercedes C-Class W204 generation acts as the central control unit for the audio system and satellite navigation. As an original Mercedes component, it is designed to work with the vehicle's electrical installation, communication bus, and factory displays and control panels.

The device operates as the main control unit, responsible for:

• handling radio signals and audio sources,
• cooperation with the satellite navigation system,
• communication with other electronic modules in the vehicle,
• integration with the factory user interface.

Benefits of using an original module

Using an original module from the Electronic control modules and controllers group allows you to maintain the consistency of the vehicle's configuration and reduce the risk of software compatibility issues. The unit is prepared for operation within the Mercedes electrical architecture, which facilitates installation and subsequent service diagnostics.

Key advantages include:

• factory fitment for installations and wiring harnesses,
• preservation of the original multimedia system functionality,
• easier integration with other controllers in the vehicle,
• possibility of diagnostics using standard service tools.

Condition, verification, and selection by numbers

The item is offered as used, which allows for an economical repair or restoration of the multimedia system's efficiency without the need to invest in a new component. Before installation, it is recommended to verify compatibility using the OEM part number and interchangeable numbers to ensure proper cooperation with the specific vehicle equipment version.

If you want to better understand how to safely select used electronic modules, how to check hardware and software compatibility, and what to pay attention to during installation, check out the Global Parts guide: Used automotive electronics – how to consciously choose second-hand modules and sensors.

Installation and operational tips

When replacing the navigation and radio unit in a Mercedes W204, it is worth ensuring proper power disconnection, careful unplugging of connectors, and correct seating of the module in the center console. In many cases, after installation, adaptation or coding using an appropriate diagnostic tester is required so that all functions are activated in accordance with the vehicle's configuration.

For owners of older Mercedes vehicles who are planning a broader electronics upgrade and equipment refresh, inspiration can also be found in the article on renovating cars from the turn of the era: The second life of a youngtimer – how used components rejuvenate cars from the 1998–2012 model years.

System expansion within the same group

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