Audi TT 8N A6 C5 Concert II CD Player Stereo Headunit 4B0057186P

Visual condition of the part

The product shows signs of use visible in the photos. Audi TT 8N A6 C5 Concert II CD Player Stereo Headunit is a factory multimedia solution from the Electronic control modules and controllers group, designed specifically for Audi models. It is a practical choice for drivers who want to restore the full functionality of the original audio system or replace a damaged radio with a proven OEM component. By maintaining the factory electronics architecture, it ensures consistent operation with the vehicle's other systems.

Specifications and technical data

• SKU: 4B0057186P-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 4B0057186P
• Substitutable numbers: 4B0057186P, 4B0 057 186 P
• Category: ECUs & Computer Modules

Characteristics and purpose of the Concert II radio

The Concert II radio was developed by Audi as a central element of the factory sound system in selected models, such as the TT 8N or A6 C5. It integrates CD player and stereo radio functions into a single unit, allowing for convenient audio control without the need for additional modules. The design is adapted for installation in the original location in the center console, maintaining proper fitment and ergonomic operation. As a component from the Electronic control modules and controllers group, the device works with the vehicle's electrical installation and factory wiring, which facilitates installation and reduces the risk of compatibility issues. A properly selected audio module helps avoid typical problems associated with non-original head units, such as communication errors with other systems or interference in the operation of onboard electronics.

Benefits of using an original Audi audio module

Using a factory Concert II radio instead of a damaged or non-functional device brings a number of practical advantages:

• maintaining the original look of the cockpit and interior stylistic consistency,
• reliable cooperation with the factory electrical installation and sound system,
• no need for wiring modifications, adapters, or additional connectors,
• preservation of the manufacturer-intended operating logic and button ergonomics. For many users, it is also important that the original audio module does not place additional load on the vehicle's electrical network beyond what was intended by the manufacturer. This minimizes the risk of unwanted effects, such as interference in the operation of other controllers or power supply problems.

Why consider a used electronic module

The presented unit comes from the secondary market, which represents a reasonable compromise between cost and functionality. A used, original Audi audio module allows you to restore the efficiency of the multimedia system without having to invest in expensive new components. In many cases, this is a more predictable solution than installing cheap replacements of uncertain build quality. If you want to better understand when choosing second-hand electronics makes sense, how to assess their condition, and what to pay attention to when selecting controllers and modules, check out the practical tips in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?. This is a valuable addition to your knowledge when planning repairs in the area of automotive electronics.

Application in Audi vehicles and integration with the installation

The Concert II radio was designed for full integration with the factory electrical architecture of the Audi TT 8N and A6 C5. The appropriate connectors, method of communication with other controllers, and fitment to the dashboard ensure that the installation proceeds in an orderly and predictable manner. In practice, this means the ability to restore the original functionality of the audio system without interfering with the vehicle's structure. By choosing this model, you gain compatibility with the cockpit control functions intended by the manufacturer and consistency of operation with other onboard electronic elements. This is particularly important in cars where various modules – from comfort to information systems – work together within a single network.

Expanding Audi electronics upgrades

If you are planning a comprehensive repair or upgrade of the onboard electronics in your Audi and need other components from the same group, such as additional audio modules, comfort controllers, or control units for assistance systems, check out the available parts in the Audi electronic control modules and controllers category.