Mercedes W177 Rear Lamp Trunk Boot Tailgate Light Left N/S A1779062304

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W177 Rear Lamp Trunk Boot Tailgate Light Left N/S is an original lighting component designed for installation on the rear of the vehicle body, on the driver's side. This used lamp ensures a factory-fit to the tailgate, maintaining a consistent appearance and lighting parameters in accordance with the manufacturer's requirements. It is a practical solution for post-accident repairs, replacing a damaged module, or restoring full functionality to the rear lighting of your Mercedes compact class vehicle.

Specifications and technical data

• SKU: A1779062304-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1779062304
• Substitutable numbers: A1779062304, A 177 906 23 04
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Purpose and function of the tailgate rear lamp

The described lamp is a component of the Rear lights and brake lights assembly, responsible for proper light signaling at the rear of the vehicle. It is mounted directly into the tailgate on the left side, working in conjunction with the other rear lighting segments. Thanks to its factory design, the correct light geometry is maintained, which translates into clear braking and position signaling for other road users.

The tailgate rear lamp in the Mercedes W177 has been designed to:

• fit precisely into the contours and edges of the tailgate,
• maintain the seal of the lighting system within the rear body area,
• ensure a consistent look with the other rear lighting elements.

Benefits of using an original Mercedes lamp

Using an original tailgate rear lamp in the Mercedes W177 allows you to maintain factory build quality and compatibility with the vehicle's electrical system. The component was designed specifically for this model, which minimizes the risk of installation problems, leaks, or incorrect light signal operation.

Key advantages include:

• secure fit to the tailgate structure without the need for modifications,
• maintenance of uniform light color and intensity relative to the other lamps,
• compliance with factory mounting points and wiring connectors.

A used OEM component is also a way to rationally reduce repair costs while maintaining a high level of vehicle safety and aesthetics.

Condition, installation, and practical application

The left-side tailgate rear lamp is intended for installation in the rear of the vehicle, in the zone responsible for position and brake signaling. The used component allows for an efficient replacement of a damaged or leaking module without the need to invest in a new part from a dealership. In practice, this means less vehicle downtime and a faster return to full lighting functionality.

During installation, it is worth paying attention to:

• proper seating of the lamp in the tailgate socket,
• accurate connection of the wiring harness to the factory connector,
• checking the operation of all light functions after installation.

Mercedes rear lights and brake lights – expansion and modernization

If you are planning a comprehensive repair or modernization of the rear lighting zone in your Mercedes and need other elements from the same group, such as fender light modules, additional brake light segments, or reversing lamps, check the available parts in the Mercedes rear lights and brake lights category.

How to wisely use used OEM parts

Choosing a used tailgate rear lamp is a solution that allows you to optimize your service budget while maintaining the manufacturer's original specifications. It is worth knowing the basic principles of safely purchasing used lighting components – from verifying model compatibility to assessing the condition of the exterior and mounts. If you want to better understand how to effectively reduce service costs using aftermarket components, check out the article Rising repair costs and the boom in used parts – how to save on car maintenance?.