Mercedes SLK R171 Interior Roof Lighting Unit Motion Sensor A1718201910

Mercedes SLK R171 Overhead Light Module with Motion Sensor is an original part from the Interior Lighting category, designed specifically for the interior of the SLK R171 generation model. It allows for convenient control of interior lighting and cooperation with the motion sensor, improving user comfort and vehicle functionality. As an OEM Mercedes part, the module ensures a factory fit for the electrical system and headliner finish.

Specifications and technical data

• SKU: A1718209710
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1718209710
• Substitutable numbers: A1718209710, A 171 820 97 10, A1718201910, A 171 820 19 10
• Category: Interior Light Assemblies

Purpose and Function in the Vehicle

The presented overhead light with an integrated motion sensor module is intended for installation in the central part of the headliner in the Mercedes SLK R171. It is responsible for:

• illuminating the passenger space upon door opening or manual activation,
• cooperating with the motion sensor within the vehicle's interior,
• correct light signaling in parking and driving modes.

Thanks to its factory design, the module interacts with the original wiring harness and comfort systems, ensuring stable operation and predictable performance of the entire system.

Advantages of Original Mercedes Interior Lighting

Choosing an original overhead light with a motion sensor for the Mercedes SLK R171 allows you to maintain the technical and visual consistency of the interior. Key benefits include:

• Factory Fit – the part fits the headliner's mounting opening without modifications or additional adapters.
• Electrical Compatibility – connectors and pin layout are consistent with the vehicle manufacturer's intended installation.
• Stable motion sensor operation – the module cooperates with comfort systems and interior security features according to design specifications.
• Consistent Aesthetics – the shape and finish match the styling of the SLK R171 cabin, avoiding the "universal accessory" effect.

Condition, Origin, and Service Application

The offered overhead light comes from a dismantled Mercedes vehicle and is an original OEM part from the Interior Lighting category. Used components like this are often chosen for professional repairs because they:

• ensure compliance with factory equipment specifications,
• reduce the risk of fitting issues and installation errors,
• allow for economical restoration of full interior functionality after module damage or failure.

The module is suitable as a replacement for a damaged light or for completing missing interior elements after bodywork, painting, or headliner replacement.

Part Selection and Technical Support

To correctly select the overhead light with a motion sensor for the Mercedes SLK R171, it is advisable to pay attention to compatibility with the specific vehicle's equipment and body version. The original module from this series has an assigned OEM part number and interchangeable numbers, which facilitates compatibility verification in service catalogs and parts selection systems.

If you are interested in a broader context of selecting lighting components for premium cars, including LED and Xenon headlights, you will find practical tips in the article See More and Better – A Complete Guide to Selecting and Replacing Used LED and Xenon Headlights, which discusses the importance of original lighting components for driving safety and comfort.

Related Products and Knowledge about Used Mercedes Parts

If you are planning a more extensive interior upgrade or repair for your Mercedes and are considering using original parts from dismantling, it is worth reading the guide Used Mercedes Parts – Original Components from Dismantling, which explains how to consciously choose premium components within a reasonable budget.

If you also need other parts from the Interior Lighting category for your car of this brand, such as additional modules, lights, or control panels, check the available parts in the Mercedes Interior Lighting category.