Mercedes-Benz M-Class ML W163 Rear Interior Light Roof Right O/S A1638201623

Mercedes-Benz M-Class ML W163 Rear Interior Light Roof Right O/S is an original component from the Interior lighting group, designed for installation in the rear right section of the vehicle's interior. It provides uniform, comfortable illumination of the passenger area, improving the convenience of using the car in everyday operation.

Specifications and technical data

• SKU: A1638201623
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1638201623
• Substitutable numbers: A1638201623, A 163 820 16 23, EM
• Location on the vehicle: Rear, Right
• Category: Interior Light Assemblies

Purpose and function in the vehicle

The rear right interior light in the Mercedes-Benz M-Class ML W163 is responsible for local illumination of the rear cabin area, which facilitates the use of the vehicle after dark and in conditions of limited visibility. This component is mounted on the right side in the rear interior zone, thereby improving visibility for passengers and allowing for convenient use of the seats and hand luggage.

As part of the original lighting system, the component works with the vehicle's electrical installation, maintaining the factory logic for switching the lighting on and off. This allows for consistent operation of all light points in the cabin without the need for any modifications to the installation.

Benefits of using original interior lighting

Using the original interior light in the Mercedes-Benz M-Class ML W163 translates into:

• consistent fit with the factory interior finish,
• proper operation within the existing electrical installation,
• preservation of uniform color and lighting characteristics throughout the cabin,
• stable mounting in the original installation location.

As a result, replacing a damaged or non-functional light point with an original component allows for the restoration of full cabin lighting functionality without compromising ergonomics or aesthetics. A used component with preserved functionality represents a sensible, economical solution while maintaining the factory fit standard.

Installation characteristics

The rear right interior light is designed for installation in a specific body location, which facilitates its seating in the original mounting hole. The design intended for the Mercedes-Benz M-Class ML W163 allows for:

• the use of existing mounting points,
• connection to the factory wiring harness,
• maintenance of the correct direction and diffusion of the light beam.

This type of solution reduces the time required for component replacement and minimizes the risk of compatibility issues. The dedicated vehicle placement promotes seamless integration with other interior trim elements.

Condition and use in vehicle service

The offered item comes from the secondary market, which allows for reducing repair costs compared to purchasing a new part, while maintaining the manufacturer's original specifications. This type of component is particularly useful in situations where:

• mechanical damage to the housing or lens has occurred,
• there are problems with the operation of the light point in the rear right part of the cabin,
• it is necessary to restore the completeness of the interior equipment.

Choosing used, original interior lighting allows for maintaining the visual and functional consistency of the interior, which is important both for daily use and for the potential resale of the vehicle.

Expanding interior lighting upgrades

If you are planning a comprehensive repair or upgrade of the interior lighting zone in your Mercedes and need other elements from the same group, such as ceiling lights, side light points, or additional lighting modules, check the available parts in the Mercedes Interior lighting category.

To better understand the importance of properly selected lighting elements for driving safety and comfort, it is worth reading the guide on our blog: See more and better – a complete guide to selecting and replacing used LED and Xenon headlights. There, you will find practical tips regarding the selection of original lighting components in vehicles of various brands.