Mercedes C207 Door Cable Wiring Harness Loom Front Right O/S A2075402113

Right Front Door Harness - Mercedes C207 is an original electrical component from the Wires, Harnesses, and Connectors group, designed for installation in the right front door of the vehicle. It ensures a stable electrical connection between the door and the body, enabling the proper operation of all connected consumers and modules in this area.

Specifications and technical data

• SKU: rhd-A2075402113
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2075402113
• Substitutable numbers: A2075402113, A 207 540 21 13
• Location on the vehicle: Front, Right
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Function in the Vehicle

This door harness is specifically designed for use in the front right part of the body, in the passenger-side door. It is responsible for transmitting signals and power to the elements located within the door, such as window controls, central locking, mirrors, or lighting, depending on the specific car configuration.

Thanks to its factory-fit design for the Mercedes C207's electrical architecture, the harness allows for the preservation of the original wiring path, correct connector placement, and proper routing of the installation through the grommets between the pillar and the door. This minimizes the risk of chafing, insulation damage, and interference with electrical systems.

Construction and Installation Fit

The door harness consists of a set of wires with appropriately selected cross-sections, colors, and lengths, terminated with factory connectors compatible with the vehicle's wiring. Original plugs and sockets enable plug-and-play installation, without the need for soldering, cutting wires, or using adapters.

The wires are grouped in sheaths and conduits, which facilitates their routing within the door and through the grommet between the body and the door leaf. Factory clips and mounts (if present in the specific unit) allow for secure attachment of the harness to the door structure, reducing vibrations and mechanical stress during vehicle operation.

Benefits of Using an Original Harness

Using an original door harness in a Mercedes C207 offers a number of practical benefits:

• maintaining compliance with the vehicle's factory electrical diagram,
• precise wire length matching to the door and pillar geometry,
• reduction of potential installation errors compared to universal solutions,
• easier diagnosis of potential electrical faults in the future.

For workshops and users, this means faster installation, a lower risk of module communication problems, and stable operation of comfort and safety systems related to the right front door.

Component Condition and Service Application

The offered door harness is a used part, allowing for economical repair of the vehicle's electrical system without compromising the original design. It is particularly useful in situations where wires in the door grommet have been damaged, connectors have corroded, or the wiring was mechanically cut during previous body repairs.

Replacing the complete door harness is often a faster and more predictable solution than spot repairs of individual wires, especially in vehicles equipped with extensive comfort systems. The factory connection architecture facilitates the preservation of full functionality of all devices in the passenger-side door.

Compatibility within the Wires, Harnesses, and Connectors Category

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

Technical Support and Parts Selection

Before installation, it is recommended to compare the shape of the harness, the arrangement of connectors, and the length of the sections with the originally installed component in the vehicle. This helps confirm full compatibility and avoid problems with wire routing in the door. If in doubt, consult the service documentation or seek advice from an automotive electrician specializing in the Mercedes brand.

For users interested in a broader approach to powertrain system servicing and selecting used parts, the guide article Clutch and Dual-Mass Flywheel – Diagnostics and Parts Selection for the Powertrain may be helpful, demonstrating how to consciously choose used components and integrate them with existing vehicle systems.