Mercedes-Benz C W204 Front Right O/S Door Wiring Loom Cable Harness A2045409633

Mercedes-Benz C W204 Front Right O/S Door Wiring Loom Cable Harness is an original electrical installation component designed for installation in the front right door of the vehicle. As part of the Wires, harnesses and connectors group, it ensures a stable connection between the door modules and the rest of the car's electrical system, supporting the proper operation of electrical equipment. This used component allows for an economical yet professional repair of the installation in your Mercedes.

Specifications and technical data

• SKU: A2045409633
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2045409633
• Substitutable numbers: A2045409633, A 204 540 96 33, KZ
• Location on the vehicle: Front, Right
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the vehicle

The described harness is designed to operate in the front right door area, where it is responsible for transmitting signals and power between the door and the main vehicle electrical system. A correctly selected harness eliminates electrical communication problems, reduces the risk of wire chafing, and facilitates system maintenance.

Thanks to its factory fit for the Mercedes-Benz C W204 door structure, the harness routes wires in the locations intended by the manufacturer, which reduces mechanical stress and contributes to long-term, stable operation of the installation.

Technical application and installation benefits

A door harness of this type is particularly useful for:

• repairs after mechanical damage or wire corrosion in the door grommet,
• door conversions or replacing complete doors with others,
• diagnosing electrical faults related to a lack of communication within the door area.

Using an original harness from the Wires, harnesses and connectors group reduces the need for modifications, soldering, or creating additional wire sections. This translates into more predictable electrical parameters, better resistance to interference, and easier identification of individual circuits during subsequent service work.

Product characteristics and fitment

The item comes from the Mercedes brand, which means compliance with factory manufacturing standards and connector layouts. The used component retains the original wire routing geometry and connector placement, which facilitates installation in existing mounting points in the door and body pillar.

The harness is intended for installation in a specific location on the vehicle – in the front, right part of the body – which minimizes the risk of installation errors and speeds up the replacement process. This makes it a practical solution for both workshops and users servicing their own cars.

Why choose a used door harness

Choosing a used electrical installation component allows you to significantly reduce repair costs while maintaining compliance with factory specifications. An original salvaged door harness has already been tested in real operating conditions, which provides additional value when selecting spare parts.

If you want to learn more about the advantages and limitations of using second-hand components, it is worth checking out practical tips and the debunking of popular myths in the article Used car parts: Myths and facts you need to know. This is a helpful source of knowledge when planning an informed and safe vehicle repair.

Expanding repairs within the door installation

If you are planning a comprehensive repair or upgrade of the door electrical installation zone in your Mercedes and need other elements from the same group, such as additional harnesses, wires, or connectors, check out the available parts in the Mercedes Wires, harnesses and connectors category.

Summary

Mercedes-Benz C W204 Front Right O/S Door Wiring Loom Cable Harness is a practical solution for those who want to restore full functionality to the door electrical installation while maintaining the factory standard of workmanship. Its original origin, fitment for a specific mounting location, and classification in the Wires, harnesses and connectors group make it a sensible choice for repairs and upgrades on the front right side of the vehicle.