Mercedes W176 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1765406708

The Mercedes W176 Wiring Harness Door Installation Left Right Rear is a factory wiring harness designed for the rear left and right door areas in W176 series models. The original design from the Wires, Harnesses, and Connectors group ensures proper signal and power routing to components located in the rear doors, contributing to stable operation of the vehicle's electrical systems. This is a solution for users who want to restore correct door installation functionality without compromising on fit.

Specifications and technical data

• SKU: A1765406708
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1765406708
• Substitutable numbers: A1765406708, A 176 540 67 08
• Location on the vehicle: Rear, Right, Left
• Category: Wiring Harnesses, Cables & Connectors

Application and Vehicle Placement

The presented wiring harness is intended for installation in the rear of the vehicle, on both the left and right sides. It is responsible for connecting the body's wiring to the components located in the rear doors, such as control modules, actuators, or comfort access elements, in accordance with the factory electrical layout of the Mercedes W176 series.

Thanks to precisely selected wire lengths, appropriate connector placement, and factory mounting points, the harness allows for correct routing of the installation within the space between the body and the door. This minimizes the risk of insulation abrasion, mechanical damage, and signal transmission interference.

Construction, Connectors, and Compatibility

The wiring harness belongs to the Wires, Harnesses, and Connectors group, meaning it is designed as a complete wire assembly with factory plugs and sockets dedicated to the specific rear door configuration. The connectors used are matched to the original sockets in the doors and the body pillar, which facilitates installation and reduces the need for modifications to the existing wiring.

The arrangement of wires and branching points is consistent with Mercedes' factory technical documentation, which helps maintain the correct connection order and eliminates the risk of installation errors. This type of solution is particularly important for repairs after collisions, door replacements, or damage to the conduit between the body and the door panel.

Benefits of Using an Original Mercedes Harness

Using an original harness in the rear of the vehicle offers a number of practical benefits:

• precise fit for the left and right rear door structure,
• preservation of the factory wiring routing and branching logic,
• compatibility with original Mercedes connectors and modules,
• reduced risk of installation errors compared to universal solutions.

For users who want to restore correct electrical functionality in the rear doors, using such a harness is a convenient way to avoid wiring modifications, soldering, or adding extra wire sections. This is especially important in vehicles equipped with advanced comfort and safety systems, where connection stability directly impacts the operation of control units.

Condition, Verification, and Part Selection

This part is from a Mercedes vehicle and is marked as used, which means it has been previously operated in a car but is still suitable for further use after proper installation. This type of part is a good solution for repairs where maintaining the original specification while optimizing costs is important.

Before purchasing, it is advisable to verify the harness's compatibility with the specific vehicle equipment version, especially regarding the number of connectors and the configuration for the rear left and right sides. Comparing the wire layout and connector types with the currently installed part in the car is helpful, as it helps avoid discrepancies due to variations in equipment across different vehicle instances.

Expanding the Installation within Mercedes Wires and Harnesses

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

For drivers who are simultaneously upgrading powertrains or considering replacing drivetrain components, a practical guide on selecting used components may be helpful. In such cases, it is worth reading the article Gearbox: Manual, Automatic, or DSG – Common Faults and a Guide to Buying a Used Gearbox, which discusses design differences, typical wear symptoms, and tips for purchasing parts from the secondary market.