Mercedes W205 W213 X253 Electrical Wiring Harness Cable A2055408117

The Mercedes W205 W213 X253 Wiring Harness is an original electrical system component designed for select Mercedes C-Class, E-Class, and GLC models. Thanks to its factory origin from the Wires, Harnesses, and Connectors group, it ensures proper signal and power routing between vehicle components, contributing to the stable operation of comfort and safety systems. This is a practical solution for workshops and users who want to restore the correct functionality of the electrical system without compromising on fit.

Specifications and technical data

• SKU: A2055408117
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2055408117
• Substitutable numbers: A2055408117, A 205 540 81 17
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Intended Use and Model Compatibility for Mercedes

The presented wiring harness has been specifically designed for the Mercedes W205, W213, and X253 platforms, meaning its geometry, segment lengths, and connector placement are adapted to the factory mounting points in the vehicle's body and engine bay. This precise fit minimizes the risk of wire strain, accidental insulation abrasion, or improper routing near moving parts.

Thanks to its construction, which aligns with the manufacturer's solutions, the harness integrates seamlessly with original connectors and sockets, simplifying installation and reducing the need for modifications to the existing system. This is particularly crucial in modern Mercedes vehicles, where communication between modules occurs via digital buses and requires maintaining high-quality connections.

Construction and Role in the Electrical System

The wiring harness plays a key role in distributing power and control signals between electronic modules, sensors, and actuators. The wires used are grouped into logical sections and routed within protective sheathing and conduits, enhancing resistance to mechanical damage and facilitating servicing.

Factory connectors are designed for the automotive environment, accounting for vibrations, temperature fluctuations, and humidity. Appropriately selected wire gauges and shielding methods for individual signal lines help reduce electromagnetic interference, which is vital for the proper functioning of comfort systems, lighting, and driver assistance systems.

Service Application and Benefits of Installation

Replacing the wiring harness is recommended in situations involving insulation abrasion, mechanical damage, signs of overheating, or unprofessional repairs (e.g., numerous soldered joints and makeshift connections). Using an original harness allows for:

• restoring the factory routing of wires and mounting points,
• minimizing the risk of short circuits and communication errors between modules,
• organizing the electrical system after previous modifications,
• simplifying future diagnostics due to compliance with service documentation.

For workshops specializing in the Mercedes brand, this solution reduces repair time and the need to fabricate custom wire segments. For the end-user, it translates to more predictable electrical system operation and a lower risk of recurring faults.

Characteristics of a Used Product

The offered wiring harness is a used part, meaning it is a component of confirmed origin that has been previously installed in a vehicle. Such components are often chosen for repairs where maintaining compatibility with the original system while optimizing service costs is paramount.

Used harnesses are particularly valued for models equipped with extensive electronics, as they allow for the recreation of factory connections without the need to build the entire system from scratch. This is a practical solution for both post-accident repairs and for addressing issues caused by corrosion or previous, unprofessional modifications.

Mercedes Wires, Harnesses, and Connectors – Expansion and Repairs

If you are planning a comprehensive repair or upgrade of the electrical system area in your Mercedes and require other components from the same group, such as additional harnesses, wire segments, or compatible connectors, check the available parts in the Mercedes Wires, Harnesses, and Connectors category.

For those interested in a broader perspective on selecting used electrical and body parts, as well as optimizing vehicle operating costs, a guide article may be helpful – find more information in the material on choosing used car parts and cost-effective vehicle servicing.