Mercedes W211 Rear Additional Stoplamp Third Brake Lamp A2118201456

Mercedes W211 Rear Additional Stoplamp Third Brake Lamp is an original rear lighting component designed for installation in the rear section of the vehicle. As part of the Main and center brake lights group, it ensures clear braking signaling and consistency with the factory electrical installation. This used Mercedes brand component is a solution for drivers who expect compatibility with the factory lighting system without the need for modifications.

Specifications and technical data

• SKU: A2118201456-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2118201456
• Substitutable numbers: A2118201456, A 211 820 14 56
• Location on the vehicle: Rear
• Category: Centre & Third Brake Light Assemblies

Purpose and function in the lighting system

The brake light in the Mercedes W211 model is responsible for clearly informing drivers behind you that braking has begun. The component is mounted in the rear part of the body, working in conjunction with the factory electrical system and light control. By maintaining the original optics and housing design, the lamp preserves proper light distribution and signal readability in various road conditions.

Using an original brake light reduces the risk of errors in lighting control systems and eliminates issues with poor fitment to the bodywork. This is particularly important in Mercedes-class vehicles, where the precision of component fitment affects the tightness and aesthetics of the rear body section.

Benefits of using an original Mercedes brake light

Choosing an original brake light for the Mercedes W211 allows you to maintain consistency with the vehicle's factory design. The component was designed specifically for this model, which translates into:

• proper fitment to the rear body section without the need for mounting modifications,
• stable cooperation with the vehicle's electrical installation,
• preservation of the factory light beam geometry,
• aesthetic appearance consistent with the W211 styling line.

For users who want to restore full lighting system efficiency after a collision or failure, using an original component is a technically safe and predictable solution. A used component also allows for optimizing repair costs while maintaining proper operating parameters.

Component condition and service application

The brake light offered as a used part is intended primarily for service applications – replacing a damaged or faulty lamp in the rear zone of the vehicle. This type of component is particularly useful for post-accident repairs, when it is necessary to restore full lighting functionality and compliance with traffic regulations.

Thanks to the original design, installation proceeds in a manner similar to the factory process – using the mounting points and connectors provided by the manufacturer. This allows for shorter service time and reduces the risk of leaks or looseness around the rear lamp.

Integration with other brake lights in the Mercedes W211

In the W211 model, the brake light system may include both main lamps and center elements, so it is important to maintain consistency between individual light points. The original brake light ensures a uniform lens appearance, light color, and operating characteristics, which is significant for both safety and the visual consistency of the rear of the vehicle.

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 additional brake lamps, center modules, or side light segments, check the available parts in the Main and center brake lights Mercedes category.

More about used Mercedes parts

For many drivers, choosing a used brake light is a reasonable compromise between cost and functionality. It is worth knowing the specifics of the secondary market and consciously evaluating the advantages of such solutions. If you want to better understand how to safely use used components and what to look for when purchasing, read the article Used car parts: Myths and facts you need to know.