Mercedes W168 Interior Roof Light Lamp Headliner Trim Switch Grey A1688202001

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W168 Interior Roof Light Lamp Headliner Trim Switch Grey is an original interior trim component designed for installation in the headliner, integrating cabin lighting and a switch into a single housing. Thanks to its factory design, it ensures a consistent cockpit appearance, while its precisely matched shape facilitates installation in the original lamp location. The neutral grey color harmoniously blends with most upholstery used in this generation of the Mercedes A-Class.

Specifications and technical data

• SKU: A1688202001
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1688202001
• Substitutable numbers: A1688202001, A 168 820 20 01, KZ
• Color: Grey
• Category: Interior Light Assemblies

Purpose and function in the cabin lighting system

The presented lamp is a component from the Cabin Lighting group, responsible for illuminating the passenger area in the upper part of the interior. The integrated switch allows for light control directly from the headliner, which improves ergonomics and vehicle usability.

This type of solution is used as standard in the Mercedes A-Class W168 generation, where the lamp works with the vehicle's electrical system, including signals from door switches and operating mode settings (e.g., light switched on manually or upon opening the door).

Construction, color scheme, and interior fitment

The lamp housing is made in a grey color, selected to match the typical tone of the headliner and pillars in the Mercedes W168. This color scheme allows for visual consistency of the interior, without the effect of an "out-of-place" element after installation. The integrated headliner trim ensures an aesthetic finish for the edges of the mounting hole.

The optical system and lens have been designed to evenly diffuse light in the central part of the cabin. The integrated switch is placed within reach of the driver and passenger, which facilitates operation in daily use. The OEM construction means that the lamp is prepared to work with the factory connectors and wiring harness of the given model.

Technical parameters and compatibility

As an original Mercedes component, the lamp has been designed specifically for the geometry of the headliner and the electrical standards used in the W168. Thanks to this:

• it fits the factory mounting hole in the headliner,
• it uses the mounting points provided by the manufacturer,
• it works with the interior lighting system without the need for wiring modifications.

The product has an assigned OEM part number and interchangeable numbers, which facilitates verification of compatibility with a specific equipment version. In case of doubt, it is worth comparing the shape and connector of the lamp with the element currently installed in the vehicle.

Condition, application, and benefits of installation

The offered lamp is a used component, which in practice means the possibility of an economical replacement of damaged or worn headliner lighting while maintaining original manufacturing quality. Compared to aftermarket replacements, the OEM part ensures better fitment to the headliner, proper latch geometry, and compatibility with the factory switch and wiring.

Replacing the lamp is particularly justified when:

• the lens or headliner housing is damaged,
• the switch operates unstably or gets stuck,
• the element has suffered from overheating or discoloration,
• it is necessary to restore full functionality of the interior lighting after upholstery or electrical repairs.

Lighting modernization and technical knowledge

When working on interior lighting, it is also worth ensuring the efficiency of other light points and external headlights. For users interested in a broader approach to vehicle lighting, including LED and Xenon headlights, the following guide will be useful: See more and better – a complete guide to selecting and replacing used LED and Xenon headlights.

If you are planning a comprehensive repair or modernization of the interior lighting zone in your Mercedes and need other elements from the same group, such as headliner lamps, glove box lighting, or footwell lighting, check the available parts in the Mercedes Cabin Lighting category.