Mercedes W211 Rear Additional Stoplamp Third Brake Lamp A2118201456 NO GLASS

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W211 Rear Additional Stoplamp Third Brake Lamp is an original component from the Main and center brake lights category, designed for installation in the rear part of the vehicle body. It provides clear, additional braking signaling, improving the visibility of light signals for drivers behind you and increasing safety in city traffic and on the road.

Specifications and technical data

• SKU: A2118201456
• 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 vehicle

The third brake light in the Mercedes W211 model acts as an additional warning lamp, mounted in the rear zone of the vehicle. Its task is to provide quick and clear information about braking, which reduces the reaction time of drivers behind you and limits the risk of rear-end collisions.

This element works with the main brake lighting system, creating a coherent, highly visible signal. Thanks to the factory design, the correct lighting geometry and appropriate light diffusion are maintained, which translates into stable and predictable operation of the lighting system.

Construction and fitment for Mercedes W211

The offered lamp has been designed specifically for the Mercedes W211 body, which ensures proper fitment to the rear of the vehicle. The shape of the housing and the mounting points are consistent with the manufacturer's factory solutions, so the installation process is straightforward, without the need for modifications to the bodywork or electrical installation.

The original design allows for maintaining a consistent stylistic line of the rear of the car, while also guaranteeing that the brake light will be emitted at the correct angle. This is important both from the point of view of safety and compliance with homologation requirements for vehicle lighting.

Condition, origin, and benefits of choosing a used component

The presented additional brake lamp is a used part, sourced from dismantling. Choosing such a solution is cost-effective, while at the same time allowing you to maintain the factory quality of fitment characteristic of original equipment components. For many Mercedes W211 users, this is a reasonable compromise between price and functionality.

A used element from original production also carries a lower risk of compatibility problems than in the case of replacements of uncertain origin. The lamp is ready for re-installation in the rear part of the vehicle, maintaining the standard method of connection to the electrical system.

Installation and technical aspects

The placement on the vehicle in the rear body zone facilitates service access – after removing the appropriate trim elements, it is possible to replace the lamp without interfering with other vehicle systems. Thanks to the retention of factory mounting points, the installation is predictable, which limits working time and the risk of damage to adjacent elements.

In practice, this means that after proper connection to the existing electrical harness, the third brake light should work with the lighting system without the need for additional configuration. This solution is particularly valued by workshops and users who expect simple, technically correct installation.

Expanding the lighting system in Mercedes

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

For users interested in a broader approach to selecting used electrical and electronic components in a car, including control modules and sensors, a guide describing the principles of selection by OEM numbers, compatibility issues, and practical installation examples may be helpful – you will find it in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.