Mercedes SLK R172 Tail Light Rear Lamp Left N/S Side Panel A1729063900

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes SLK R172 Tail Light Rear Lamp Left N/S Side Panel is an original component from the Rear lights and brake lights category, designed for installation in the side panel on the driver's side. This used OEM component ensures a proper fit to the bodywork, correct mounting geometry, and compatibility with the vehicle's factory electrical system.

Specifications and technical data

• SKU: A1729063900-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1729063900
• Substitutable numbers: A1729063900, A 172 906 39 00
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Purpose and function of the rear lamp

The offered rear lamp for the Mercedes SLK R172 model is designed for installation at the rear of the vehicle on the left side. The component is responsible for the proper operation of the position lights, brake lights, and turn signals, which is crucial for safety and clear signaling of maneuvers on the road.

Thanks to its factory design, the lamp works with the original electrical system, maintaining the parameters specified by the vehicle manufacturer. This solution is particularly beneficial for post-accident repairs, replacing a damaged lens, or restoring full functionality to the lighting system.

Construction, fitment, and installation

The rear lamp has been designed as a side panel element, which ensures a consistent fit to the body lines and proper adhesion to the chassis. The OEM design allows for installation in place of the factory lamp without the need for modifications to the wiring or mounts.

• dedicated placement at the rear of the vehicle on the left side,
• designed to work with the factory electrical harness,
• preservation of the original geometry and shape of the lens.

As a result, replacing a damaged element with a used OEM lamp is a technically sound solution that allows you to maintain a consistent appearance of the rear bodywork.

Benefits of using an original Mercedes lamp

Using an original rear lamp in a Mercedes SLK R172 allows you to maintain compliance with the manufacturer's factory standards. Proper fitment, correct lighting characteristics, and compatibility with the vehicle's electronics translate into predictable lighting system performance in all conditions.

A used OEM component is also a cost-effective solution compared to a new part, while maintaining the construction intended for this model. It is a practical choice for body and paint repairs as well as restoring full lighting functionality after a collision or mechanical damage.

Condition and practical application

The lamp comes from dismantling and is offered as a used part, which allows for the reuse of an original component in another vehicle. This type of solution is often chosen by workshops specializing in the Mercedes brand and by users who care about maintaining the factory character of the car.

Before installation, it is recommended to perform a standard verification of the vehicle's electrical system and the correct alignment of the lamp relative to the bodywork to ensure uniform illumination and proper visibility of light signals for other road users.

Additional information and related products

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

If you want to learn more about the advantages of using original, used components in popular car models, it is worth checking out our guide: The best used car parts – a guide to the most frequently chosen original parts.