Mercedes W205 Antenna Aerial Amplifier Duplexer Module Receiver Unit A2389055000

Mercedes W205 Antenna Aerial Amplifier Duplexer Module Receiver Unit is a specialized component from the Electronic control modules and controllers group, responsible for the stable reception of radio signals and other antenna signals in the vehicle. Thanks to its factory design intended for Mercedes models, the module ensures consistency with the car's electrical installation and predictable behavior within the multimedia system.

Specifications and technical data

• SKU: A2389055000
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2389055000
• Substitutable numbers: A2389055000, A 238 905 50 00
• Category: ECUs & Computer Modules

Purpose and function of the module

The presented antenna amplifier acts as an active signal receiver that works with the factory antennas in the Mercedes W205 body. Its task is to amplify and stabilize the signal, which translates into reduced interference, better reception quality, and more comfortable use of radio and information systems in the vehicle.

Due to its design consistent with Mercedes' electrical architecture, the module works with the vehicle's bus and factory control units, maintaining the original logic of the multimedia system's operation.

Benefits of using an original module

Using an original antenna amplifier in a Mercedes W205 allows you to maintain the consistency of the entire electronic system. Factory compatibility reduces the risk of communication errors, range problems, or unforeseen interference that often occur when using random replacements.

The module from the Electronic control modules and controllers group has been designed to work with the appropriate ground, power, and signal points in the vehicle's installation. This facilitates diagnostics, service, and any subsequent modifications to the audio or communication systems.

Condition of the component and assembly aspects

The offered module is a used part, which in practice means it comes from vehicle dismantling and represents an attractive cost alternative to a new factory part. For workshops and individual users, this means the possibility of restoring full functionality to the antenna system while maintaining a favorable price-to-quality ratio.

Due to its factory origin, the installation proceeds in a manner similar to the manufacturer's service procedures – the module is intended to work in the specific electrical environment of a Mercedes, which promotes parameter stability after replacement.

Support for selection and integration of electronic modules

In the case of extensive repairs to comfort and multimedia systems, parallel diagnostics of other controllers are often necessary. If you want to better understand how modern electronic modules work in premium cars and how to safely use parts from dismantling, it is worth checking out a guide describing practical examples based on BMW – you will find them in the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models.

Related Mercedes Electronic control modules and controllers

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, body modules, or additional receiver units, check the available parts in the category Mercedes Electronic control modules and controllers.