Mercedes X156 Rear Lamp Wire Cable Trunk Boot Tailgate Light Left N/S A1569061258

Mercedes X156 Rear Lamp Wire Cable Trunk Boot Tailgate Light Left N/S is an original electrical system component designed to support the rear lighting in the tailgate. Designed by the manufacturer specifically for the X156 body, it ensures proper signal routing to the lamp and stable operation of the lighting system. It is a practical solution for users who want to restore full functionality to the rear lights without interfering with the factory installation.

Specifications and technical data

• SKU: A1569061258-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1569061258
• Substitutable numbers: A1569061258, A 156 906 12 58
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Purpose and function in the vehicle

The presented wiring harness is a component of the Rear lights and brake lights category, responsible for supplying power and control signals to the lamp located in the tailgate on the left side. The vehicle placement defined as rear – left side means that the component works with the left tailgate lamp, supporting, among other things, the position light, brake light, or auxiliary lighting, depending on the specific vehicle configuration.

Thanks to its factory fit for the X156 body, the harness allows for maintaining the correct routing of wires, minimizing the risk of chafing, mechanical damage, and electrical contact issues in the critical area of the tailgate hinges.

Construction and fitment for Mercedes X156

The wiring harness has been constructed as a component dedicated to the X156 platform, which translates into the correct wire length, proper connector placement, and compatibility with factory mounting points. The original design facilitates installation in existing clips and rubber grommets, without the need for modifications or soldering additional cable sections.

The arrangement of the connectors is adapted to the factory tailgate lamp, making the connection to the vehicle's electrical system intuitive and reducing the risk of incorrect wiring. This is particularly important in the case of modern lighting systems, where an incorrect connection can cause errors in diagnostic systems or improper light operation.

Benefits of using an original wiring harness

Using a dedicated wiring harness in the tailgate brings a number of practical benefits:

• maintaining compliance with the vehicle's factory electrical system,
• reducing the risk of failures resulting from makeshift wire repairs,
• easier diagnostics of potential rear lighting problems,
• correct routing of wires in the tailgate hinge area, where frequent bending and movement occur.

For users who value consistency with the original Mercedes design, using a factory harness is a safe and technically sound solution, especially in cases of intermittent lamp power supply, flickering lights, or lighting error messages.

Component condition and service application

The offered harness comes from disassembly and is classified as a used part, making it an attractive cost-effective alternative to new components while maintaining the manufacturer's original specifications. It works well both for typical replacement of damaged tailgate wiring and for post-accident repairs when it is necessary to restore the full functionality of the rear lighting system.

Thanks to its factory fit for the X156 body, the harness can be used in independent service centers and workshops specializing in the Mercedes brand as a component that restores proper light operation without the need to build the installation from scratch.

Expanding the lighting system in the Mercedes X156

If you are planning a comprehensive repair or upgrade of the rear lighting zone in your Mercedes and need other elements from the same group, such as combination lamps, control modules, or additional wires, check the available parts in the Mercedes Rear lights and brake lights category.

For drivers interested in a broader approach to selecting used components and the impact of their condition on safety and driving comfort, the guide article Standard vs. sports suspension – design differences and is it worth buying used suspension parts?, which discusses the practical aspects of choosing parts from the secondary market, may be helpful.