Radio Head Unit Mercedes W169 W245 Media Player Navigation Screen A1698209989

Radio Head Unit Mercedes W169 W245 Media Player Navigation Screen is an original electronic control module designed for the factory multimedia system in Mercedes A-Class W169 and B-Class W245 vehicles. This advanced component from the Electronic control modules and controllers group integrates radio, media player, and navigation screen functions, ensuring seamless infotainment system management. Thanks to its OEM design, it is the right choice for professional repair or replacement of the factory head unit.

Specifications and technical data

• SKU: A1698209989
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1698209989
• Substitutable numbers: A1698209989, A 169 820 99 89, BG
• Category: ECUs & Computer Modules

Purpose and function in the vehicle

The presented head unit is responsible for the central control of the factory audio-navigation system in selected Mercedes models. As a dedicated module, it:

• coordinates the operation of the radio and media player,
• handles information display on the navigation screen,
• communicates with other vehicle controllers via the data bus,
• enables integration with factory buttons on the center console.

Such a solution allows for maintaining user interface consistency, as well as proper cooperation with the vehicle's other electronic systems.

Application in the multimedia system

The Radio Head Unit acts as the central point of the infotainment system, combining the functions of a radio receiver, player, and navigation module in one housing. In practice, this means:

• stable control of audio and video sources,
• support for commands from the control panel and steering wheel (if the vehicle is equipped with them),
• data transmission to the navigation screen and auxiliary displays,
• preservation of the factory logic of the multimedia system's operation.

As a result, replacing a damaged unit with an original module from the same family allows for restoring full functionality without the need for interfering with the electrical installation or using additional adapters.

Benefits of using an original module

Choosing a factory module from the Electronic control modules and controllers group offers a number of practical advantages:

• High compatibility – a design developed specifically for selected Mercedes models minimizes the risk of communication problems within the vehicle network.
• Consistent interface – maintaining the original menu appearance, button layout, and operating logic, which facilitates daily use.
• Professional diagnostic base – the module works with factory service tools, which facilitates configuration and potential coding.
• Integration safety – no need for wiring modifications or using universal solutions that may interfere with the operation of other controllers.

Characteristics of the used component

The offered module is a used component, which in the case of automotive electronics often represents a reasonable compromise between cost and functionality. Such components usually come from vehicle dismantling and are chosen as a replacement in the event of a factory unit failure. When selecting, it is worth paying attention to compatibility with the vehicle's equipment and installation requirements to ensure the proper operation of the multimedia system.

If you want to better understand when choosing a used electronic module is justified, how to assess its suitability, and what to pay attention to during installation, check out our guide: Second life for electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

Support for selection and system expansion

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