Antenna Amplifier Mercedes W205 W213 W247 FM DAB Aerial Module Unit A2139056500

The Mercedes W205 W213 W247 FM DAB Antenna Amplifier Module is a specialized component from the Car Antennas group, responsible for stable reception of FM and digital DAB radio signals in selected Mercedes models. Located in the rear left part of the body, this module works with the factory antenna system, ensuring efficient communication with the vehicle's multimedia system.

Specifications and technical data

• SKU: A2139056500
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2139056500
• Substitutable numbers: A2139056500, A 213 905 65 00
• Location on the vehicle: Rear, Left
• Category: Antennas

Purpose and Function of the FM DAB Antenna Module

The presented FM DAB antenna module amplifier is designed for integration with factory radio systems in Mercedes W205, W213, and W247 class cars. Its task is to amplify and stabilize the radio signal, which translates into more reliable reception of FM stations and digital DAB channels, especially in urban and suburban areas where interference occurs.

Its placement in the rear left area of the vehicle allows for optimal routing of antenna cables and reduction of electromagnetic interference from other components. This enables the module to support the proper functioning of the infotainment system, navigation with traffic information broadcast on radio frequencies, and other functions dependent on antenna signal quality.

Construction, Integration, and Installation in the Vehicle

The FM DAB antenna module amplifier is structurally adapted to the Mercedes body, which facilitates its installation in the rear left part of the vehicle. The connectors used are prepared to work with the factory wiring harness, which helps maintain the original electrical system architecture and reduces the risk of installation errors.

This component, as part of the Car Antennas category, works with the roof or body antenna assembly, being responsible for:

• FM signal amplification for classic analog radio,
• Support for the digital DAB standard,
• Signal level stabilization under changing environmental conditions.

Thanks to its factory fit for the W205, W213, and W247 platforms, the module can be used as a service part for antenna system repairs or when replacing a damaged amplifier with an original equivalent.

Performance Characteristics and Benefits of Use

Choosing an original FM DAB antenna module amplifier for a Mercedes allows for maintaining the consistency of the multimedia system and the reception parameters intended by the vehicle manufacturer. In practice, this means:

• More stable FM station reception on the road and in dense urban areas,
• Better sound quality in the DAB system,
• Reduction of noise and signal dropouts resulting from improper amplification.

The product in used condition offers a reasonable compromise between repair cost and maintaining the vehicle's original specifications. For users who want to restore proper radio and DAB system functionality without investing in expensive new components, this is a practical service solution.

Selection, Compatibility, and Purchase Support

To correctly select the FM DAB antenna module amplifier for a specific Mercedes model, it is advisable to pay attention to compatibility with the body platform and the factory multimedia system. In case of doubt, data such as the product identifier (e.g., SKU), manufacturer's designation (Brand), or information about the placement on the vehicle are useful to confirm that the module is intended for the rear left part of the body.

It is also important that the element has an OEM part number and associated interchangeable numbers, which facilitates verification of compatibility with service catalogs and parts selection systems. This allows for precise matching of the module to the specific vehicle configuration, minimizing the risk of incompatibility.

Antenna System Expansion and Additional Resources

If you are planning a comprehensive repair or modernization of the radio reception area in your Mercedes and need other components from the same group, such as additional antenna modules, signal amplifiers, or antenna system parts, check the available parts in the Mercedes Car Antennas category.

When planning a broader repair or modernization of the radio and multimedia system, it is worth exploring the One-Stop-Shop approach, which allows you to assemble original used parts in one place – from antenna modules to small mounting accessories. You can find more practical tips in the article: Comprehensive Sourcing: From Engine to the Smallest Clip – How to Assemble Used Car Parts in One Place?.