Mercedes W207 C207 Additional Stop Lamp Third Rear Brake Lamp Light A2078200156

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W207 C207 Additional Stop Lamp Third Rear Brake Lamp Light is an original rear lighting component designed for installation in the rear body section of W207/C207 series models. This used component from the Main and center brake lights group allows for the restoration of proper braking signaling, ensuring consistency with the factory electrical installation and vehicle styling. It is a solution for users who expect factory fitment and correct operation of the lighting system without the costs of purchasing a new lamp.

Specifications and technical data

• SKU: A2078200156-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2078200156
• Substitutable numbers: A2078200156, A 207 820 01 56
• Location on the vehicle: Rear
• Category: Centre & Third Brake Light Assemblies

Purpose and function in the vehicle

The presented brake light is dedicated to the rear part of the vehicle body, where it is responsible for clear braking signaling for vehicles behind. The component works with the factory Mercedes electrical system, ensuring correct light operation logic and compliance with road safety requirements.

As an original Mercedes component, the brake lamp has been designed for a specific body model, which translates into:

• proper fitment to the shape of the trunk lid or rear panel,
• stable mounting in factory mounting points,
• consistent appearance with other lighting elements.

Benefits of using an original brake light

Using an original brake light in a Mercedes W207/C207 allows you to maintain the parameters specified by the vehicle manufacturer. In practice, this means:

• appropriate light intensity, improving the readability of the braking signal,
• correct light distribution, in accordance with factory homologation,
• compatibility with the electrical system without the need for wiring modifications.

The used component is a good choice in a situation where the existing light has been mechanically damaged or has stopped working, and the priority is to maintain the original design of the lighting system at a reasonable repair cost.

Assembly and operational aspects

The brake light intended for rear vehicle mounting has been designed as a factory part, which facilitates service work. With proper selection based on the body model and part number, a plug-and-play installation is possible without the need for mechanical or electrical adaptation.

During installation, it is worth paying attention to:

• the condition of electrical sockets and connectors in the vehicle,
• the cleanliness of the surface where the lamp adheres to the bodywork,
• proper placement of seals to reduce the risk of moisture ingress.

Such an approach promotes longer, stable operation and maintains the correct performance of the entire rear lighting system.

Part selection by numbers and vehicle integration

The selection of the correct brake light for a specific Mercedes W207/C207 vehicle should be based on the manufacturer's catalog data, including the part number and interchangeable numbers. This avoids problems with matching the housing, mounting points, and electrical connectors, and also ensures compliance with the factory equipment configuration.

In case of doubts during selection, it is helpful to compare the shape of the housing and the type of connector with the currently installed element. This allows you to verify whether the offered brake light will work properly with the existing installation in the vehicle.

Expanding the rear lighting system in Mercedes

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 stop lights, center lamps, or other signaling modules, check the available parts in the Mercedes main and center brake lights category.

For users interested in a broader approach to vehicle diagnostics, including the correct selection of components by catalog and OEM numbers, an article describing the principles of operation and maintenance of other car systems may be helpful – more information can be found in the material on the construction, diagnostics, and regeneration of fuel system components, where, among other things, the selection of parts by numbers and practical aspects of operation are discussed.