Mercedes SLK R172 Rear Additional Stoplamp Brake Lamp Light A1729065500

Mercedes SLK R172 Rear Additional Stoplamp Brake Lamp Light is an original rear signaling lighting component designed for installation in the rear section of the vehicle body. As part of the Main and center brake lights group, it provides clear, legible braking signaling, improving safety and vehicle visibility on the road. This used component allows for a technically correct replacement of the factory third brake light without interfering with the electrical system's construction.

Specifications and technical data

• SKU: A1729065500
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1729065500
• Substitutable numbers: A1729065500, A 172 906 55 00
• Location on the vehicle: Rear
• Category: Centre & Third Brake Light Assemblies

Purpose and function in the lighting system

The third brake light in the Mercedes SLK R172 plays an important role in the braking signaling system, increasing the clarity of the message for drivers behind. Positioned in the rear of the vehicle, it works in conjunction with the main brake lights, creating a coherent, highly visible light signal. This ensures the driver remains compliant with safety requirements and manufacturer standards.

The offered element has been designed specifically for this generation of the SLK, which translates into a proper fit to the body lines, correct sealing, and stable mounting. Using an original light reduces the risk of installation errors, incorrect illumination, or error messages in onboard systems.

Benefits of using an original third brake light

Choosing an original third brake light for the Mercedes SLK R172 is a solution that technically and practically outperforms generic replacements. The element has been factory-adjusted to the vehicle's electrical parameters, allowing it to work seamlessly with the lighting control system and bulb failure or circuit damage monitoring systems.

• Factory fit for the rear body section and original mounting points.
• Consistent illumination characteristics with the other brake lights.
• Reduced risk of electrical compatibility issues.
• Ability to maintain the vehicle's original appearance.

As a result, the installation process is orderly, and the vehicle retains its aesthetics and functionality in accordance with the manufacturer's specifications.

Installation and operational characteristics

The third brake light in the Mercedes SLK R172 is intended for installation in the rear body zone, in a factory-prepared location. The component's design allows for installation using original mounting points, which facilitates service work and reduces replacement time. In practice, this involves removing the old module and seating the new one in the existing mounting space.

The used nature of the part means that the component comes from disassembly but retains the functionality required for continued operation. This is a particularly beneficial solution for accident repairs, replacing damaged lighting, or restoring the vehicle to its factory specification while optimizing costs.

Application in service practice

The third brake light in the SLK R172 is a component that often suffers from mechanical damage (e.g., lens cracks) or wear. Replacing it with an original module allows for restoring full lighting system efficiency without the need for system modifications. This is particularly important in vehicles where maintaining technical and visual consistency with the rest of the body is a priority.

In service practice, such an element will prove useful both in specialized workshops dealing with the Mercedes brand and in independent services that prioritize correct, repeatable mounting solutions. A used component can also be a good choice for phased vehicle restoration when the priority is restoring full lighting functionality.

Expansion of the offer – Mercedes main and center brake lights

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 main brake lights, center signaling modules, or additional light assemblies, check the available parts in the Mercedes main and center brake lights category.