Mercedes C117 X156 W176 Door Wiring Harness Rear Left Right N/O/S A2465406909

Mercedes C117 X156 W176 W246 Rear Door Wiring Harness A2465406909 is an original part from the Wires, Harnesses, and Connectors group, designed to service the electrical system of the rear doors in select Mercedes models. Its carefully engineered construction ensures stable electrical connections, proper module communication, and safe operation of door components such as actuators, window regulators, and lighting.

Specifications and technical data

• SKU: A2465406909
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2465406909
• Substitutable numbers: A2465406909, A 246 540 69 09
• Location on the vehicle: Rear, Right, Left
• Category: Wiring Harnesses, Cables & Connectors

Vehicle Application and Placement

The presented wiring harness is dedicated for installation in the rear doors of Mercedes vehicles – both on the right and left sides. Its placement within the door area means the component is responsible for transmitting signals and power between the vehicle body and the movable door part, accounting for operation within the hinge and continuous opening/closing movements.

This application requires resistance to bending, twisting, and temperature changes, which is why the harness has been designed for long-term operation under typical passenger car usage conditions. As a result, it provides a functional solution for repairing the rear door electrical system in models from the C117, X156, W176, and W246 families.

Technical and Functional Characteristics

The rear door wiring harness in this version integrates the wires responsible for powering and controlling the door-mounted components into a single assembly. This includes typical circuits used in modern Mercedes vehicles, ensuring consistency with the vehicle's factory electrical architecture.

Key functional features include:

• dedicated wiring routing within the rear door,
• suitability for right or left side installation,
• compliance with the factory connector layout for the specific body model,
• usability as a replacement part for repairs following mechanical damage or wire corrosion.

By maintaining the original geometry and connector placement, the harness allows for the restoration of the correct wiring path without the need for modifications to the vehicle's factory wiring.

Benefits of Using an Original Mercedes Harness

Using an original wiring harness for the rear doors offers a range of practical service and operational benefits. The most important ones include:

• factory fit for door construction – appropriate length, wire gauges, and connector placement,
• maintained compatibility with control modules and the vehicle's electrical system,
• reduced risk of installation errors compared to universal solutions,
• consistency with original Mercedes service documentation and wiring diagrams.

This approach is particularly crucial in vehicles equipped with advanced comfort and safety systems, where the stability of electrical connections in the doors directly impacts the proper functioning of the entire system.

Component Condition and Service Application

The offered wiring harness is a used part, making it an attractive solution for economical repairs of the rear door electrical system. This type of component is particularly useful in situations where mechanical damage to the wires in the door hinge, broken conductors, or communication issues between modules have occurred.

In workshop practice, the harness can be used for both post-accident repairs and typical operational faults related to the vehicle's long-term use. Maintaining the original construction facilitates installation and allows for the restoration of full functionality for controlling components in the rear doors.

Expanding the Mercedes Electrical System

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

For drivers interested in a broader perspective on the cost-effectiveness of using aftermarket parts, comparative materials on other brands may also be useful – for example, an analysis of the durability and application of components in Volkswagen vehicles, available in the article Volkswagen – Robustness and Reliability. Why Used VW Parts Are a Sensible Choice?.