Mercedes X166 Entry Entrace Light Right Rear O/S A1669011201

Mercedes X166 Entry Entrace Light Right Rear is an original component from the LED lamps and lights group, designed for installation in the rear right part of the vehicle body. This used component provides aesthetic and functional illumination of the entry zone, improving visibility when entering and exiting the vehicle while maintaining the consistent look of the factory lighting in your Mercedes.

Specifications and technical data

• SKU: A1669011201
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1669011201
• Substitutable numbers: A1669011201, A 166 901 12 01
• Location on the vehicle: Rear, Right
• Category: Light Bulbs & LEDs

Purpose and function of the component

The rear right entry light in the Mercedes X166 is responsible for local illumination of the area by the rear passenger-side door. It is mounted in a dedicated spot in the bodywork, ensuring the light is directed exactly where it is needed – onto the door sill and the immediate surroundings of the door.

This component works with the vehicle's electrical system, activating based on signals from the central locking or door opening. Thanks to LED technology, it provides uniform, clear light with low energy consumption, which is particularly important in modern electrical systems.

Construction and technology of LED lamps and lights

The original entry light in the Mercedes X166 has been designed as an integral part of the vehicle's LED lamps and lights system. The LEDs used are characterized by stable light color and good resistance to typical automotive operating conditions, such as temperature changes or body vibrations.

The lamp housing is matched to the factory mounting hole, which allows for precise seating and maintains tightness at the installation site. The electrical connector is prepared to work with the wiring harness in the Mercedes X166, which facilitates installation and reduces the risk of installation errors.

Vehicle placement and fitment

The presented component is intended for installation in the rear zone on the right side of the vehicle. Such clear placement specification facilitates the selection of the correct lamp when replacing only one lighting point, without the risk of confusing the sides of the vehicle.

Thanks to the factory design tailored to the specific generation of the Mercedes X166, the entry light maintains stylistic consistency with other light sources in the car. This allows for maintaining a uniform color and intensity of lighting throughout the rear part of the cabin and the sill areas.

Benefits of using original entry lighting

Using an original, used rear right entry light in a Mercedes X166 is a solution that combines controlled costs with maintaining factory-quality fitment. This component:

• maintains a consistent look and character of lighting throughout the vehicle,
• ensures proper direction of the light beam onto the sill and entry zone,
• is prepared to work with the existing electrical installation without modifications,
• allows for restoring full lighting functionality after damage or wear of the previous module.

For the user, this means more convenient use of the rear part of the vehicle after dark and maintaining aesthetics in accordance with the manufacturer's specifications.

Expanding lighting upgrades in your Mercedes

If you are planning a comprehensive repair or upgrade of the exterior lighting zone in your Mercedes and need other elements from the same group, such as LED modules, additional entry lights, or outline illumination elements, check the available parts in the Mercedes LED lamps and lights category.

To better understand the specifics of modern light sources in cars and the differences between individual solutions, it is worth reaching for practical tips contained in the article "See more and better – a complete guide to selecting and replacing used LED and Xenon headlights", which discusses key aspects of selecting and operating lighting.

If you want to consciously use the offer of aftermarket parts and better evaluate the profitability of purchasing used lighting components, the guide "Used parts – your guide to the best offers in the automotive store", describing practical criteria for selecting and operating such elements, will also be helpful.