Mercedes W205 Door Wiring Loom Harness Cable Rear Right Left N/O/S A2055409591

Mercedes W205 rear door wiring harness right/left is an original part from the Wires, Harnesses, and Connectors category, designed for the rear of the body. It ensures a stable electrical connection between the vehicle's wiring and the rear door equipment, leading to seamless operation of all connected modules. This is a practical service solution for users who want to restore full functionality to the electrical system in their Mercedes W205.

Specifications and technical data

• SKU: A2055409591
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2055409591
• Substitutable numbers: A2055409591, A 205 540 95 91
• Location on the vehicle: Rear, Right, Left
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Vehicle Placement

The harness is specifically designed for the Mercedes C-Class W205 generation and is intended for installation in the rear of the vehicle, on the right or left side. It is responsible for transmitting signals and power between the main wiring and the components located in the doors, such as window controls, central locking, and lighting. Thanks to its dedicated fit for the specific body construction, it ensures proper wire routing and correct connector placement in factory mounting points.

Construction and Performance Parameters

This item belongs to the group of wires, harnesses, and connectors, meaning it consists of a set of electrical wires terminated with factory connectors. The connectors used are prepared to work with original sockets in the doors and body, which facilitates installation and reduces the risk of installation errors. The harness is designed for use in the door area, where there are moving connections, temperature changes, and exposure to moisture, so its construction includes appropriate wire routing and insulation protection.

Service Application in Mercedes W205

The Mercedes W205 rear door wiring harness right/left is particularly useful in situations where the factory wiring has been mechanically damaged (e.g., broken wires in the door grommet), there are problems with electrical communication, or errors occur related to the operation of rear door equipment. Using an original harness allows you to:

• restore correct operation of window controls and locks in the rear doors,
• maintain compatibility with the vehicle's factory electrical diagram,
• minimize the risk of problems with diagnostics and comfort module communication.

This solution is recommended for both post-accident repairs and long-term faults resulting from wear and tear of wires in door grommets.

Characteristics of Used Parts

The offered harness is a used part, which means it comes from a dismantled vehicle and has been verified for its suitability for further use. This type of part allows for economical repair of the electrical system while maintaining the original manufacturer's specifications. Choosing a used harness is particularly beneficial where compatibility with factory connectors and a real fit for a specific model and body version are important.

Why Choose This Wiring Harness

By using a dedicated harness for the Mercedes W205, you reduce the need for wiring modifications, wire soldering, or the use of universal connectors. Factory connectors and appropriate wire lengths facilitate installation and help maintain order in the door area. This is a solution that supports the trouble-free operation of comfort systems and helps keep the electrical system in a factory-like condition.

If you are looking for other Mercedes wires, harnesses, and connectors, check out our dedicated offer: Mercedes wires, harnesses, and connectors.

Are you interested in car modifications and upgrades using dismantled parts? Read an article about the sporty version of MINI and its upgrade possibilities: MINI John Cooper Works – what sets it apart and how to upgrade your MINI?.