Mercedes-Benz M ML W163 Rear Tailgate Boot Lid Wiring Harness Loom A1635403333

Mercedes-Benz M ML W163 Rear Tailgate Boot Lid Wiring Harness Loom is an original rear installation component designed for mounting in the tailgate. It ensures proper electrical connection for all receivers located at the rear of the vehicle, which translates into stable operation of the lighting, lock, and other modules. This is a practical solution for users who want to restore full functionality to the rear of the body while maintaining factory compatibility with the Mercedes installation.

Specifications and technical data

• SKU: A1635409108-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1635403333
• Substitutable numbers: A1635409108, A 163 540 91 08, A1635403333, A 163 540 33 33, EM
• Location on the vehicle: Rear
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and function in the vehicle

The presented wiring harness is an installation component located in the rear of the vehicle, responsible for transmitting signals and power between the tailgate and the rest of the electrical system. In practice, this means supporting components such as the rear tailgate lighting, the lock, potential sensors, and other components provided for in the given configuration of the M/ML W163 model.

Thanks to the use of the original Mercedes design, the harness maintains the correct routing, mounting points, and wire cross-sections, which reduces the risk of chafing, short circuits, and future electrical diagnostic issues.

Construction and technical advantages

The tailgate wiring harness has been designed as a complete solution with appropriately selected connectors and wires, matched to the electrical architecture of the W163 model. The connectors used are prepared for compatibility with factory sockets, which facilitates installation and eliminates the need for modifications to the wiring.

Key advantages of this solution include:

• factory fit for the rear body section,
• preservation of the original wire routing within the tailgate,
• connectors designed for Mercedes, facilitating service and diagnostics,
• the ability to restore the correct operation of electrical elements in the rear zone of the vehicle.

For the user, this means more predictable system behavior and easier identification of potential faults in the future.

Component condition and service application

The offered wiring harness is a used part sourced from dismantling, making it an attractive cost-effective alternative to new components. With proper installation, it allows for the effective repair of common problems in the rear installation, such as broken wires in the tailgate hinge, unstable lighting operation, or intermittent power loss to the lock.

Replacing the complete harness is often a more durable solution than temporary soldering of individual wires, as it restores the original wiring layout and factory mechanical and insulation protections.

Part selection by numbers and compatibility

To correctly select the harness for a specific Mercedes-Benz M/ML W163, it is worth using the OEM part number and available interchangeable numbers visible in the technical specification. This allows you to verify compatibility with the body version and equipment, as well as avoid problems with connector fitment or wire lengths.

In case of doubts regarding compatibility, it is recommended to compare the markings with service documentation or the removed component, which further minimizes the risk of ordering errors.

Expanding the scope of repairs and category offer

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

For those interested in comparing technical solutions used in different brands and sports versions, including engines, brakes, and chassis, an article describing the differences between high-performance series and standard models may be helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.

If you are preparing your car for intensive use in more difficult conditions, it is also worth reading practical tips on inspecting used parts before the winter season, described in the guide: Winter essential: which used car parts are worth checking and replacing before the frost?.

Summary

The Mercedes-Benz M ML W163 Rear Tailgate Boot Lid Wiring Harness Loom is a practical choice for drivers who want to restore full functionality to the rear installation while maintaining the original electrical architecture. Properly selected by part numbers and correctly installed, it provides a solid foundation for further service work in the rear body area, ensuring stable power supply and communication for all components located in the tailgate.