Mercedes W245 Head Unit Radio CD Media Player Telephone Unit A1699002100

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W245 Head Unit Radio CD Media Player Telephone Unit is a factory-fitted component from the Electronic control modules and controllers group, designed for integration with the electrical system of Mercedes B-Class W245 vehicles. It offers stable audio system operation while maintaining the original cockpit aesthetics and full compatibility with the car's electrical architecture. This is a solution for users who want to restore the proper functioning of the factory CD radio without interfering with the vehicle's wiring and electronics.

Specifications and technical data

• SKU: A1699002100
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1699002100
• Substitutable numbers: A1699002100, A 169 900 21 00
• Category: ECUs & Computer Modules

Technical characteristics and vehicle system integration

The CD radio player in the version dedicated to the Mercedes W245 is designed as a component that works with the factory electrical network and the vehicle's control system. As a part from the Electronic control modules and controllers group, it communicates with other onboard modules, which allows for the retention of functions such as dashboard control or integration with factory displays.

The device is prepared for installation in the original location in the center console, using standard connectors and mounts. As a result, there is no need to modify the installation or use additional adapters, which reduces the risk of installation errors and compatibility issues.

Function in the audio system and onboard electronics

Mercedes W245 Head Unit Radio CD Media Player Telephone Unit acts as the central element of the audio system, responsible for playing CDs and handling basic multimedia functions. As an electronic module, it works with speakers, the amplifier (if present in the given configuration), and other controllers, ensuring the consistent operation of the entire system.

The factory design ensures:

• consistent fit with the interior styling of the Mercedes W245,
• retention of the ergonomics known from the original equipment,
• proper cooperation with the existing electrical installation and comfort controllers.

For the user, this means the ability to restore the functionality of the audio system without the need to install non-factory solutions, which often require additional modifications.

Condition, origin, and benefits of choosing a used module

The offered CD radio player is a used component, which allows for a significant reduction in repair costs compared to purchasing a new module from an authorized dealer. At the same time, the original manufacturer's specification is maintained, ensuring the module remains compliant with factory quality and safety standards.

Choosing a used component from the electronic controllers group is particularly beneficial for older models, where the availability of new parts can be limited. A well-selected module allows for effectively resolving issues with a non-functioning radio, audio system interference, or communication errors in the installation.

If you want to better understand how to safely select and install used electronic modules in a car, it is worth reading the guide: Used automotive electronics – modules and sensors from the secondary market in practice.

Selection by numbers and vehicle compatibility

When purchasing a radio player for a Mercedes W245, it is crucial to match the module by part numbers and interchangeable numbers. This allows you to verify compatibility with a specific equipment version and vehicle year, as well as avoid communication issues in the vehicle network after installation.

In practice, this means:

• easier identification of the correct module based on technical data,
• minimizing the risk of selection errors,
• more efficient installation and startup of the audio system after replacement.

If your authorized service center no longer offers new units or the waiting time is too long, a practical guide may also be helpful: How to use salvaged parts when repairing older models.

Modernization expansion – other Mercedes electronic modules

If you are planning a comprehensive repair or modernization of the onboard electronics area in your Mercedes and need other components from the same group, such as comfort controllers, body modules, or other units managing vehicle systems, check the available parts in the Mercedes electronic control modules and controllers category.

Summary

Mercedes W245 Head Unit Radio CD Media Player Telephone Unit is a practical solution for users who want to restore the efficiency of the factory audio system while maintaining the original look and full integration with the vehicle's electronics. As a component from the electronic controllers group, it ensures compatibility with the Mercedes W245 installation, and in its used version, it represents an economical way to effectively repair or replace a faulty CD radio.