Mercedes C205 Keyless Go Module Unit Bracket Mount Holder Support A2055455440

The Mercedes C205 Keyless Go Module Bracket Holder is a precisely designed mounting element intended for the stable installation of the keyless entry system module in the rear of the vehicle body. Thanks to its factory geometry, it ensures secure support for the electronics and helps maintain the correct position of the component under demanding operating conditions. This is a practical solution for users who want to restore the correct mounting of the Keyless Go module in a professional manner and in accordance with the vehicle's construction.

Specifications and technical data

• SKU: A2055455440
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2055455440
• Substitutable numbers: A2055455440, A 205 545 54 40
• Location on the vehicle: Rear
• Category: ECUs & Computer Modules

Purpose and Function of the Holder

The Keyless Go module bracket is responsible for the mechanical fastening of the electronic control unit for the keyless access system in the rear zone of the vehicle. A correctly selected holder:

• maintains the module in the position designed by the manufacturer,
• limits the transfer of vibrations and shocks to the electronics,
• ensures adequate clearance from body parts and installations,
• facilitates servicing and removal of the module for diagnostic purposes.

This allows the Keyless Go system to operate in stable conditions, which promotes correct communication with the antennas and other vehicle control units.

Compatibility and Fit for Mercedes C-Class C205

The offered holder has been developed with the C205 body type in mind, which translates to precise fitting with the rear structure of the vehicle. The factory geometry of the mountings allows for installation in the original points intended by the manufacturer, without the need for modifications or custom fabrication of additional elements.

In practice, this means:

• easier installation of the Keyless Go module in the correct location,
• maintaining the routing of electrical harnesses as intended by the manufacturer,
• minimizing the risk of stress on connectors and wires.

Component Characteristics and Service Application

As a component from the Electronic Control Modules and Units group, the bracket plays a key auxiliary role – it does not process signals but is responsible for providing a safe operating environment for the mounted control unit. It is particularly useful in situations where:

• the original holder has suffered mechanical damage (cracks, breaks, deformations),
• there has been interference with the rear of the vehicle body (post-accident repairs, bodywork),
• the Keyless Go module was previously mounted provisionally and requires restoration to its factory position.

Using the correct bracket helps avoid problems with looseness, vibrations, or improper wiring harness routing, which is important for the long-term, stable operation of the electronics.

Condition, Origin, and Practical Aspects

The offered holder comes from a Mercedes vehicle and is a used part, which is a reasonable and economical choice for mounting parts of this type. The bracket's construction does not include any wear parts, so with a proper visual inspection and no mechanical damage, it can successfully continue to perform its function in another vehicle.

In practice, choosing an original part from disassembly means:

• maintaining factory geometry and mounting points,
• no fitting issues with the C205 body,
• the possibility of restoring the Keyless Go module mounting to a factory-like condition.

Support for Electronics Selection and Installation

When working with the keyless system, it is worth paying attention not only to the holder but also to the module itself and other installation components. If you want to better understand the specifics of used automotive electronics, principles of selection based on manufacturer markings, and issues of hardware and software compatibility, the Global Parts guide will be helpful: Used Automotive Electronics – Second-Hand ECU Modules and Sensors.

If you are planning a comprehensive repair or upgrade of the body electronics area in your Mercedes and need other parts from the same group, such as control units, comfort modules, or additional mounting brackets, check the available parts in the Mercedes Electronic Control Modules and Units category.