Mercedes C117 Rear Tail Light Lamp LED Left N/S Wire Cable Harness A1179062500

Mercedes C117 Rear Tail Light Lamp LED Left N/S Wire Cable Harness is an original electrical installation component designed to support the rear LED tail light on the left side of the vehicle. It ensures a stable connection between the lamp and the vehicle's electrical system, which translates into the proper operation of the position lights, brake lights, and turn signals. Thanks to its factory design, the harness is precisely matched to the specific body configuration, which facilitates installation and reduces the risk of errors.

Specifications and technical data

• SKU: A1179062500-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1179062500
• Substitutable numbers: A1179062500, A 117 906 25 00
• Location on the vehicle: Rear, Left
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and function in the lighting system

The presented wire harness is responsible for the complete electrical connection of the rear LED tail light on the left side with the vehicle's electrical system. The connectors used are factory-fitted to the lamp sockets and the body harness, which allows for maintaining the full functionality of all lighting segments. The component is intended for installation in the rear part of the vehicle, on the driver's side, in the area of the lamp cavity and the trunk.

The harness is a key part of the power supply and lamp control circuit, responsible for, among other things:

• transmitting power to the LED modules in the tail light,
• transmitting control signals from the vehicle's electrical system,
• a stable connection for ground and signal wires.

Construction and fitment for Mercedes C117

Mercedes C117 Rear Tail Light Lamp LED Left N/S Wire Cable Harness has been designed as a factory installation component, which means maintaining the correct wire routing, segment lengths, and connector placement. As a result, installation is orderly, without the need to modify the system or use adapters. The proper shaping of the harness facilitates its routing in the original body channels and brackets.

The original connectors ensure:

• secure locking in the lamp and vehicle system sockets,
• adequate protection of the contacts against external factors,
• compatibility with the factory lighting diagnostic system.

Condition, service application, and benefits of installation

The component comes from a used vehicle, which makes it an attractive service solution for users looking for a proven, original harness at a favorable price compared to a new part. Replacing a damaged or melted installation at the rear LED tail light allows you to restore proper lighting operation, eliminate dashboard errors, and resolve issues with intermittent power supply.

In practice, the installation of such a harness is particularly recommended in situations where:

• mechanical damage to the wires has occurred in the vicinity of the lamp,
• there are issues with contact corrosion or connector overheating,
• after a collision, it is necessary to replace the entire section of the installation at the lamp.

Integration with other electrical and lighting components

Due to its location in the rear of the vehicle, the harness works with other body electrical components, such as lighting control modules or other lamps. A correctly selected and installed component allows for maintaining the consistency of the installation and facilitates subsequent diagnostics of potential faults. In the case of complex LED lighting configurations, the use of an original harness is particularly important for maintaining proper communication with the vehicle's electronics.

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

Technical support and knowledge of sports powertrains

When working with electrical installations, especially in modern vehicles with advanced traction and lighting control systems, broader knowledge of the powertrain and braking system construction is useful. In the context of comparing solutions used in different brands and sports versions, it is worth reading the material describing the differences in engine, brake, and chassis construction, available in the article Audi RS vs other models – what is hidden under the hood and chassis?. This allows for a better understanding of how manufacturers integrate the electrical installation with other vehicle systems.

Summary

Mercedes C117 Rear Tail Light Lamp LED Left N/S Wire Cable Harness is a practical service solution for users who want to restore full efficiency to the rear lighting on the left side of the vehicle. The original design, fitment to the specific model, and readiness for installation in factory mounting points make it a reasonable choice for electrical system repairs in Mercedes C117 series vehicles.