Mercedes W205 Trunk Control Module Bluetooth Reversing Camera Parking Assist

Mercedes W205 Trunk Control Module Bluetooth Reversing Camera Parking Assist is an advanced component from the Electronic control modules and controllers group, responsible for precise management of the trunk lid opening function, cooperation with the parking system, and communication with the vehicle's electrical installation. This used, original Mercedes component ensures consistency with the factory electrical architecture of the car and stable operation of the parking assistance systems.

Specifications and technical data

• SKU: A0009002820
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0009002820
• Substitutable numbers: A0009002820, A 000 900 28 20
• Category: ECUs & Computer Modules

Function and application in the Mercedes W205

The presented trunk control module has been designed specifically for the Mercedes W205 platform, where it is responsible for coordinating the operation of the trunk opening and closing system and integrating with the parking assistance system. Thanks to the support for the reversing camera and Bluetooth communication, the module works with the vehicle's installation, transmitting signals to the units responsible for image visualization and obstacle signaling.

This element is particularly important for:

• diagnostics and repair of the parking system with a reversing camera,
• restoring full functionality of the trunk lid after electrical damage,
• maintaining the original electronics configuration in the Mercedes W205.

Benefits of using an original module

Using an original Mercedes trunk control module allows for maintaining software and hardware consistency in the vehicle, which translates into stable operation of comfort and safety systems. Factory compatibility with the W205 installation reduces the risk of communication errors in the vehicle network and facilitates configuration during adaptation at a service center.

Key advantages include, among others:

• full integration with the parking system – cooperation with the reversing camera and sensors,
• maintaining the original operating logic of the trunk lid,
• possibility of diagnostics using standard Mercedes service tools.

Selection by numbers and compatibility

The selection of a trunk control module for a specific version of the Mercedes W205 should always be based on verifying part numbers and the vehicle's equipment configuration. In practice, this means checking compatibility with the electrical installation, body version, and the parking assistance systems used. Precise matching by numbers minimizes the risk of communication problems in the vehicle network and facilitates adaptation after installation.

To better understand the principles of selecting and installing used controllers and sensors, it is worth using our guide: Used automotive electronics – how to safely select modules and sensors by OEM numbers. The article explains hardware and software compatibility issues, which is particularly useful when working with modules from the Electronic control modules and controllers group.

Condition, verification, and installation

The module is offered as a used item, which, in the case of original Mercedes components, is a reasonable compromise between cost and maintaining factory build quality. Before installation, a standard diagnostic procedure in the vehicle is recommended, including reading errors, testing network communication, and checking the correct operation of the trunk and parking system functions.

In practice, the installation comes down to:

• correct connection of electrical harnesses in accordance with the W205 installation,
• possible adaptation of the module in the diagnostic system,
• functional test of the reversing camera and parking assistance after completion of work.

Expanding the electronics system in Mercedes

If you are planning a comprehensive repair or upgrade of the trunk area and parking assistance systems in your Mercedes and need other elements from the same group, such as controllers, comfort modules, or sensor management units, check the available parts in the Mercedes electronic control modules and controllers category.

Additional information about the advantages of using used, original components in premium cars is also provided in the article: Why used modules and controllers for Mercedes are a reasonable choice in the era of limited availability of new parts, which discusses current market trends and a practical approach to servicing electronics in premium segment vehicles.