Mercedes S205 Trunk Fuse Box Relay Module Unit Bracket Mount A2055452940

The Mercedes S205 Fuse Box Module Bracket for Trunk is a precision component from the Brackets, Mounts, and Mounting Parts group, specifically designed for the rear of the body. It ensures a stable seating of the fuse box or module in the trunk, contributing to the safe operation of the electrical system and organized component installation.

Specifications and technical data

• SKU: A2055452940
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2055452940
• Substitutable numbers: A2055452940, A 205 545 29 40
• Location on the vehicle: Rear
• Category: Mounts, Brackets & Hardware

Bracket Purpose and Function

The fuse box module bracket for the trunk in the C-Class S205 generation estate model is responsible for the stable mounting of electrical components in the rear of the vehicle. Its dedicated geometry ensures the correct positioning of the fuse box or module, minimizing the risk of wire chafing, mounting looseness, or unwanted vibrations during driving.

Its placement in the rear body area of the vehicle allows for seamless integration with factory mounting points, facilitating work for both professional service centers and advanced users performing DIY repairs on their cars.

Construction and Fit for Mercedes S205

This component is designed as an original Mercedes part, meaning it adheres to factory dimensional tolerances and is compatible with the S205 trunk structure. In practice, this translates to:

• secure seating of the fuse box or module in its designated location,
• compatibility with factory mounting holes and attachment points,
• easier disassembly and reassembly during service work.

Such a precise fit reduces the need for modifications, drilling, or the use of additional adapters, which is particularly important when working with the electrical system in the rear of the vehicle.

Component Condition and Service Application

The bracket is offered as a used part, sourced from disassembly, allowing for economical repairs without compromising the original construction. This is a practical solution for situations where the factory bracket has sustained mechanical damage, corrosion, or deformation due to a collision or improper installation.

Replacing this component is particularly recommended when:

• the fuse box or module in the trunk is not securely held,
• unsettling noises are heard from the rear of the vehicle over uneven surfaces,
• cracks, breaks, or missing mounting fragments are visible.

Benefits of Using an Original Bracket

Using a dedicated bracket in the rear of the body offers a range of practical operational benefits. The most significant include:

• Safe routing of the electrical system – proper support for the fuse box or module reduces stress on wiring harnesses and connectors.
• Reduced vibrations and noise – stable mounting minimizes rattling and resonance in the trunk space.
• Easier diagnostics and servicing – organized component layout facilitates access during inspections and repairs.

For users who value structural integrity and the preservation of factory solutions, such a mounting part is a sensible choice for restoring the full functionality of the rear of the vehicle.

Expanding Knowledge and Part Selection

If you are planning more extensive work on the rear of your Mercedes body or an upgrade to the electrical system, it's worth exploring practical approaches to using disassembled components. In this context, an article on our blog will be helpful: Audi on Used Parts – Tuning and Repairs Without Quality Loss, where we discuss how to consciously use used parts while maintaining high reliability and cost control.

If you are also considering replacing other mounting components in your Mercedes and want to maintain consistency in the solutions used, check out the available parts in the Mercedes Brackets, Mounts, and Mounting Parts category.