Wiring Harness Mercedes Vito W639 Boot Tailgate License Plate Lamp A6394401613

Wiring Harness Mercedes Vito W639 Boot Tailgate License Plate Lamp is an original electrical system component designed to power and control the tailgate lighting in W639 series models. This used, factory-spec harness ensures compatibility with the original installation and proper cable routing within the tailgate, which reduces the risk of mechanical damage and lighting issues. It is a practical solution for users who want to restore full functionality to the tailgate lamp without interfering with the vehicle's original electrical architecture.

Specifications and technical data

• SKU: A6394401613
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6394401613
• Substitutable numbers: A6394401613, A 639 440 16 13, BG
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function of the harness

The presented harness is a component of the electrical system responsible for supplying power and control signals to the lamp located in the vehicle's tailgate. Properly routed wires minimize voltage drops, and correctly selected wire gauges promote stable lighting operation under various operating conditions. As a result, the tailgate lamp system can operate in a predictable manner consistent with the manufacturer's specifications.

Design and fitment for Mercedes W639

The harness has been specifically designed for installation in the tailgate of the W639 series body, taking into account factory mounting points and grommets. The appropriate length of the wires, as well as the arrangement of connectors and terminals, allows for installation without the need to modify the wiring, which reduces the risk of assembly errors. Original connectors ensure proper electrical contact and compatibility with the factory lamp, modules, and the rest of the vehicle's installation.

Benefits of using an original used harness

Choosing an original, used tailgate harness is a solution that is both technically and economically advantageous. The component sourced from dismantling retains the factory wire routing geometry, which facilitates installation and reduces the risk of chafing in critical areas. Using a pre-owned part also helps reduce waste and supports a more sustainable approach to vehicle maintenance. If you want to better understand the impact of such solutions on the environment, see the article Sustainable automotive – why original used parts are beneficial for the environment.

Condition of the component and assembly aspects

The product is in the Wires, harnesses, and connectors category, which means it is designed to work in the demanding environment of the vehicle body, exposed to vibrations and temperature changes. The used condition of the harness allows for the reuse of the component while maintaining functionality, although a standard visual inspection of the insulation and connectors is recommended before installation. A properly installed harness promotes stable operation of the tailgate lamp and reduces the risk of errors in the lighting system.

Application in service and modernization

Mercedes designs electrical systems with great attention to the compatibility of individual components, which is why using an original harness is particularly important when performing repairs after mechanical damage to the rear of the body or after wire failures in the tailgate grommets. This type of component is useful both in professional service centers and in workshops specializing in automotive electrics, where installation repeatability and predictable lighting system behavior are essential.

If you are planning a comprehensive repair or modernization of the tailgate area in your Mercedes and need other components from the same group, such as additional wire sections, connectors, or complete harnesses for other electrical consumers, check out the available parts in the Mercedes wires, harnesses, and connectors category.