Radio Head Unit Mercedes C117 W176 W246 Navi CD Player Navigation A2469000112

Radio Head Unit Mercedes C117 W176 W246 Navi CD Player Navigation is a factory multimedia module from the Electronic control modules and drivers group, designed for integration with the electrical system of Mercedes vehicles. It offers consistent management of audio functions, navigation, and onboard communication, providing the driver with convenient access to key system settings. Thanks to its original OEM design, the module works with the factory electronics architecture, maintaining full compatibility with other control units.

Specifications and technical data

• SKU: A2469000112-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2469000112
• Substitutable numbers: A2469000112, A 246 900 01 12, A 246 900 06 16, A2469000616
• Category: ECUs & Computer Modules

Purpose and vehicle integration

The presented radio with navigation has been designed to work in selected Mercedes models from the C-Class family and compact bodies, where the central multimedia module acts as the master controller of the infotainment system. As an element of the Electronic control modules and drivers category, it is responsible for communication with the display, control panel, amplifier, and other comfort units, using the vehicle's data buses.

The original design ensures:

• proper cooperation with factory wiring and connectors,
• support for navigation functions from the onboard system level,
• control of CD playback and audio sources provided by the manufacturer,
• integration with vehicle settings menus and system messages.

Multimedia system functionality

The Radio Head Unit acts as a central hub that manages audio signals, navigation data, and communication with other controllers. The module is responsible for, among other things:

• processing signals from the radio tuner and CD player,
• cooperation with the onboard navigation system,
• transmitting information to the central display,
• handling commands from the center console buttons and the multifunction steering wheel (if present in the vehicle),
• coordinating system messages related to multimedia.

As a result, the driver receives a consistent, organized interface, and all audio-navigation functions are handled by one central controller.

Technical characteristics and advantages of use

As an original Mercedes module, the radio with navigation has been designed for stable operation in the vehicle environment, taking into account requirements regarding electromagnetic interference, temperature, and vibration. Using a factory controller allows you to:

• maintain full compatibility with the existing electrical installation,
• preserve the factory logic of the multimedia system's operation,
• minimize the risk of communication errors between controllers,
• avoid problems typical of universal replacements (adaptations, wiring modifications, incomplete functions).

This solution is particularly beneficial for repairs after an electronics failure, when the priority is to restore the correct cooperation of all modules without interfering with the original system architecture.

Condition, origin, and practical application

The offered item comes from dismantling and is marked as a used OEM module, which in practice means factory quality while reducing repair costs compared to new components. This type of controller will work well both when replacing a damaged unit and when restoring the full functionality of the multimedia system after faults related to communication on the data bus.

In case of installation, it is recommended to perform adaptation and possible coding in accordance with the manufacturer's service procedures, so that the module is correctly recognized by other controllers in the vehicle and works with the equipment of the specific configuration.

Technical support and selection of the appropriate module

Before purchasing, it is worth verifying the unit's compatibility with the specific vehicle equipment version, taking into account, among other things, the type of multimedia system, the type of display, and the presence of additional comfort functions. Part numbers and interchangeable numbers available in the specification can be helpful, as they make it easier to match the right controller to a given car.

If you are planning a comprehensive repair or upgrade of the onboard electronics area in your Mercedes and need other elements from the same group, such as comfort controllers, multimedia modules, or communication management units, check the available parts in the Mercedes electronic control modules and drivers category.

For drivers interested in a broader view of the operation and repair of advanced multimedia systems and controllers in premium cars, tips from an article dedicated to iDrive modules and controllers in BMW models may be useful – you will find them in the material on servicing iDrive systems and electronic modules using parts from dismantling. If you are additionally considering the choice between new and used components, a practical comparison of costs and quality is presented in the entry comparing new and used car parts, which helps to consciously plan the repair budget.