Mercedes V177 LED Tail Light Lamp Side Wiring Cable Rear Left N/S A1779067100

Mercedes V177 LED Tail Light Lamp Side Wiring Cable Rear Left N/S is an original wiring harness designed to support the rear LED tail light on the left side of Mercedes vehicles. This component ensures a stable electrical connection between the car's wiring system and the tail light, which translates into safe lighting operation and proper communication with the vehicle's electronics. It is a practical service solution for users who need a proven component to repair the rear lighting system.

Specifications and technical data

• SKU: A1779067100-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1779067100
• Substitutable numbers: A1779067100, A 177 906 71 00
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Purpose and function in the vehicle

The presented wiring harness is dedicated to the rear left lighting area, where it is responsible for power supply and transmitting control signals to the LED lamp. A correctly selected side cable minimizes the risk of light control system errors, LED flickering, or "bulb out" messages on the instrument cluster. Thanks to its precise fit for the specific V-Class sedan (V177) body configuration, the correct cable lengths, connectors, and installation routing geometry are maintained.

Construction and electrical compatibility

The harness has been designed as a component that works with the rear LED lamp, therefore it takes into account the specific current loads and the characteristics of the LED light source. The connectors used are factory-prepared for installation into the lamp socket and the vehicle's wiring, which limits the need for additional modifications, soldering, or the use of adapters. Such a solution promotes the maintenance of stable electrical parameters and the correct operation of the position light, brake light, and turn signal functions, if supported by the given lamp.

Benefits of using an original wiring harness

Using an original wiring harness for the rear LED tail light brings a number of practical advantages:

• secure fit to the factory installation without the need to modify the main harness,
• maintenance of compatibility with the vehicle's diagnostic systems,
• reduction of the risk of contact overheating and voltage drops at connections,
• aesthetic routing of cables within the rear part of the body.

Thanks to this, the repair of the rear lighting system is more predictable, and the user gains a component prepared for operation in demanding service conditions.

Component condition and service application

The offered wiring harness is primarily used when replacing a damaged LED lamp, repairing the installation after a collision, or when dealing with malfunctions of the rear lights on the left side. The used component allows for an economical restoration of the lighting system's efficiency while maintaining the factory connection design. This solution is particularly useful in situations where previous repairs were performed using non-original connectors or makeshift connections.

Technical support and additional information

When selecting lighting installation components, it is worth paying attention to the compatibility of the body version, lamp type, and vehicle placement to avoid installation problems. For users interested in a broader context of selecting and replacing LED and Xenon lighting components, the following guide may be helpful: See more and better – a complete guide to selecting and replacing used LED and Xenon headlights.

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 tail light assemblies, control modules, or additional power cables, check the available parts in the Mercedes tail lights and brake lights category.