Mercedes A207 W212 W218 Radio Head Unit Navi CD Player Navigation A2129005614

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes A207 W212 W218 Radio Head Unit Navi CD Player Navigation is a factory-fitted component from the Electronic control modules and controllers group, designed for integration with the electrical system of Mercedes vehicles. It offers extensive multimedia functionality with support for radio, CD player, and navigation, ensuring seamless operation with other onboard systems. This is the ideal solution for users who expect original integration, stable performance, and full compatibility with the vehicle's electronics.

Specifications and technical data

• SKU: A2129005614-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2129005614
• Substitutable numbers: A2129005614, A 212 900 56 14
• Category: ECUs & Computer Modules

Device characteristics and functions

The presented radio with CD navigation has been designed specifically for selected Mercedes models from the A207, W212, and W218 series, allowing it to work with the factory installation without the need for modifications. As a component from the Electronic control modules and controllers group, it is responsible not only for audio playback but also for communication with other modules in the vehicle, such as the central display, steering wheel controls, and comfort systems.

The device integrates radio, CD player, and navigation system functions into a single unit, which allows for a consistent user interface and convenient operation via factory buttons. As a result, the driver receives a clear menu, a logical layout of functions, and stable performance tailored to Mercedes brand standards.

Benefits of using an original module

Using an original radio with navigation in a Mercedes A207, W212, and W218 allows for maintaining full compatibility with the vehicle's electronics, including the communication bus and existing control modules. This is particularly important in modern cars, where the multimedia system is linked to comfort functions, service messages, and vehicle settings.

Key advantages of this solution include:

• Seamless integration with factory equipment – no need for adapters or additional connectors.
• Maintaining the original cockpit appearance – the panel matches the interior styling and does not disrupt ergonomics.
• Compatibility with existing steering wheel buttons and the central display.
• Ability to retain diagnostic functions and system messages associated with multimedia.

Condition, selection, and installation

The offered item is in used condition, which allows for an economical replacement of a damaged factory module while maintaining the vehicle's original specifications. Before installation, it is recommended to verify compatibility using the OEM part number and interchangeable numbers to ensure proper operation with the specific equipment version and vehicle software.

In practice, installation usually involves removing the existing device and installing the new module in the same location using factory connectors. In many cases, proper coding or adaptation in the vehicle's diagnostic system is also required to ensure all functions – including navigation, steering wheel controls, and system messages – work correctly.

Selection support and additional information

To minimize the risk of incompatibility, it is worth using the selection process based on the OEM number and reference numbers, as well as comparing the vehicle's equipment configuration. A detailed discussion of selection principles, hardware and software compatibility issues, and practical examples can be found in our guide: Used automotive electronics – how to safely select modules and controllers.

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 safety system control units, check the available parts in the Mercedes electronic control modules and controllers category.