Mercedes W177 Rear Lamp Left N/S Tail Light Plug Socket Wiring A0005404204

Description

Mercedes W177 Rear Lamp Left N/S Tail Light Plug Socket Wiring is an original electrical installation component designed to support the rear left lighting assembly in Mercedes vehicles. It ensures a stable connection between the lamp and the vehicle’s wiring harness, which translates into proper operation of the tail lights and brake lights, as well as safety while driving. This is a practical service solution for users who want to restore full lighting functionality without compromising on quality.

Specifications and technical data

• SKU: A1779068302-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1779068302
• Substitutable numbers: A1779068302, A 177 906 83 02, A0005404204, A 000 540 42 04
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Purpose and function of the wiring harness

The presented wiring harness is a component from the Tail lights and brake lights group, responsible for transmitting electrical signals to the rear left lamp. Its placement on the vehicle in the rear area on the driver’s side allows for precise fitting to the factory cable routing in the bodywork, without the need for modifications or adaptations.

Properly routed wires and factory connectors minimize the risk of voltage drops, flickering lights, or errors in the vehicle’s control systems. As a result, the lighting system maintains stable operating parameters, which is important for both safety and compliance with traffic regulations.

Service application in Mercedes W177

The wiring harness has been designed specifically for the W177 platform, which means its geometry, wire length, and connector layout are adapted to the factory mounting points in the bodywork. Such a fit facilitates installation and reduces the time required to perform repairs in the rear lighting zone.

The component will prove particularly useful in situations where the installation has been damaged as a result of a collision, wire corrosion, interference with the tail lamp, or improper previous repairs. Using an original wiring harness allows for the restoration of correct wire routing and proper ground and power connections, which is crucial for reliable light operation.

Benefits of using an original wiring harness

Choosing original wiring for the tail lamp in a Mercedes brings a number of practical advantages:

• factory connectors matched to the lamp and vehicle installation,
• properly selected wire cross-sections for tail and brake light loads,
• compatibility with factory installation routing in the bodywork,
• reduction of the risk of errors in the vehicle’s diagnostic systems.

Thanks to this, the wiring harness provides a solid foundation for restoring full lighting functionality without the need for makeshift connections or additional adapters. This solution is particularly beneficial for workshops and users who expect stable, repeatable repair quality.

Component condition and installation aspects

The product comes from the used parts group, which allows for a favorable compromise between repair cost and maintaining the manufacturer’s original specifications. The wiring harness is intended for installation in the factory location, using existing mounting points and cable routing.

Before installation, it is recommended to perform a standard check of the condition of the connectors, insulation, and the correct layout of the wires in the vehicle. A properly installed wiring harness enables seamless cooperation with the tail lamp and other electrical system components, ensuring stable light operation in daily use.

Expanding the Mercedes lighting system

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 lenses, control modules, or additional wires, check the available parts in the Mercedes tail lights and brake lights category.

For users interested in a broader approach to economical vehicle repair and the use of second-hand parts, additional information on the advantages of such solutions is provided in the article Smart Skoda servicing – why second-hand parts are the best choice for your wallet, which discusses the practical aspects of choosing used components in the context of cost and quality.