Mercedes-Benz Vito Viano W639 Rear Additional Stoplamp Brake Lamp A6398200056

Mercedes-Benz Vito Viano W639 Rear Additional Stoplamp Brake Lamp is an original rear lighting system component designed for installation in the upper part of the tailgate in vehicles of this series. As a part of the Main and center brake lights group, it provides a clear braking signal to drivers behind, improving safety in both city traffic and on the road. Using this component allows for an economical yet technically correct vehicle repair while maintaining the factory lighting concept.

Specifications and technical data

• SKU: A6398200056-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6398200056
• Substitutable numbers: A6398200056, A 639 820 00 56
• Location on the vehicle: Rear
• Category: Centre & Third Brake Light Assemblies

Purpose and function of the third brake light

The presented brake lamp is dedicated to the rear part of the body, where it acts as an additional, high-mounted braking signal. Thanks to its installation in the upper zone of the tailgate, the light signal remains clearly visible even in heavy traffic, behind tall vehicles, or in difficult weather conditions. This solution supports the main brake light system, increasing signal clarity and reducing the risk of rear-end collisions.

Construction and fitment for Mercedes Vito and Viano W639

The lamp has been designed specifically for the body geometry of the Vito and Viano W639 series, which translates into proper fitment with the tailgate and stable seating in the factory mounting hole. The appropriately selected body length, shape of the moldings, and lens profile allow for maintaining the original body line and proper adhesion to the panel. Using an original design reduces the risk of leaks and installation problems typical of generic replacements.

Benefits of using an original used brake lamp

Choosing an original, used third brake lamp for a Mercedes allows you to combine reasonable repair costs with maintaining the technical consistency of the vehicle. The factory solution ensures:

• compatibility with the vehicle's electrical installation and lighting system parameters,
• correct lighting characteristics and light distribution,
• aesthetic fit to the rear of the body without the need for modifications.

For owners planning to maintain the vehicle's value in the long term, using original components is particularly important. In the context of reselling the car, it is worth checking the guide Original used parts vs. resale price – how not to lose money?, which explains how choosing the right elements affects the perceived quality of the car.

Installation in the rear of the vehicle

The lamp is intended for installation in the rear zone of the body, in the place of the factory third brake light. The design intended for a specific model facilitates service work – after removing the damaged element, the new component can be seated in the existing mounting points without interfering with the bodywork. This solution shortens repair time and reduces the risk of installation errors, which is important both in a professional workshop and when performing the replacement yourself.

Expanding the brake light system in a 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 main brake lamps, center lighting modules, or additional signal segments, check the available parts in the Main and center brake lights Mercedes category.

Summary

Mercedes-Benz Vito Viano W639 Rear Additional Stoplamp Brake Lamp is a practical solution for users who want to restore the full functionality of the braking signaling system while maintaining the manufacturer's original concept. The used, factory element allows for a technically correct repair, maintaining a consistent appearance of the rear of the vehicle, and preserving the proper operating parameters of the lighting system, which translates into safety and comfort of daily use.