Mercedes X156 Door Wiring Cable Harness Loom Front Rear Right O/S A2465403408

Mercedes X156 Right Front/Rear Door Harness is an original electrical system component designed to service circuits in the right front and rear doors. Thanks to its factory fit for the X156 body, it ensures stable electrical connections and proper cooperation with comfort modules and door equipment. As a part from the Wires, Harnesses, and Connectors group, it allows for technically correct repairs of the installation without interfering with the vehicle's original electrical architecture.

Specifications and technical data

• SKU: rhd-A2465403408
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2465403408
• Substitutable numbers: A2465403408, A 246 540 34 08
• Location on the vehicle: Front, Rear, Right
• Category: Wiring Harnesses, Cables & Connectors

Vehicle Application and Placement

The presented door harness is designed for operation in the right door area, both front and rear of the body. It covers sections routed in the pillar area and within the door panel, enabling power supply and control signals for factory-installed components in this area.

This solution helps maintain the integrity of the electrical system, reduces the risk of installation errors, and facilitates servicing in case of mechanical damage or corrosion of wires in the original harness.

Construction and Technical Function

The harness belongs to the Wires, Harnesses, and Connectors group, meaning it includes a set of wires with appropriately selected cross-sections and factory connectors matched to the sockets in the doors and body. The design solutions ensure:

• proper separation of signal and power circuits,
• mechanical protection of wires at critical door hinge points,
• stable plug connections with the vehicle's electrical system.

This allows the harness to directly replace a damaged component, restoring the correct operation of the door's electrical system without the need for modifications.

Benefits of Using an Original Mercedes Harness

Using an original door harness for the Mercedes X156 model offers a range of practical service and user benefits:

• precise wire length matching to door and pillar geometry,
• compliance with the vehicle's factory wiring diagram,
• reduced risk of communication errors between control modules,
• possibility of performing repairs to a standard similar to authorized service procedures.

This solution is particularly recommended in situations where wires have been chafed in the door grommet, connectors are damaged, or the electrical system has been tampered with during previous repairs.

Condition and Service Application

The item is offered as a used part, allowing for economical repair of the electrical system while maintaining the original manufacturer's specifications. In workshop practice, such a harness is suitable for both spot replacement of a damaged section and comprehensive electrical system restoration after a collision or connector corrosion.

For extensive repairs to the door's electrical system, the door harness is often one of the key components for restoring full functionality of window, lock, and lighting controls on the right side of the vehicle.

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

Support in Selecting Used OEM Parts

When working with the electrical system, the correct selection of used OEM components for compatibility with a specific equipment version is particularly important. If you want to better understand how the availability of original used parts affects vehicle downtime and repair costs, read the article Availability of Car Parts Off-the-Shelf vs. Repair Time – How Used OEM Parts Shorten Workshop Stays?.