Mercedes W639 Vito Viano Rear Lamp Left N/S Tail Light Side Panel A6398201664

Left Rear Lamp for Mercedes Vito/Viano W639, mounted in the side panel, is an original part from the Rear Lights and Brake Lights category, specifically designed for the body of these models. This is a used, fully functional lamp that allows you to restore proper vehicle lighting and maintain the cohesive appearance of the rear body. Thanks to its factory design, it ensures a precise fit to the body and correct operation of the lighting system.

Specifications and technical data

• SKU: A6398201664-3
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6398201664
• Substitutable numbers: A6398201664, A 639 820 16 64
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Vehicle Application and Placement

The presented rear lamp is intended for installation on the rear left side of the vehicle, in the body's side panel. The design has been developed for the specific Mercedes Vito and Viano W639 generation body, which translates to:

• correct alignment with the vehicle's side profile,
• proper light beam guidance,
• maintenance of the original rear lighting geometry.

Thanks to its dedicated placement, the lamp works with the factory electrical system, ensuring clear signaling of braking and the vehicle's presence on the road.

Function in the Vehicle's Lighting System

As a component of the Rear Lights and Brake Lights category, this lamp is responsible for key passive safety functions. It is designed to:

• provide a clear position light visible from a distance,
• transmit a clear braking signal to vehicles following behind,
• work in conjunction with other rear lamps to create a cohesive lighting system.

The original design of the lamp guarantees compliance with the homologation requirements for the specific model, which is important for both safety and road traffic regulations.

Benefits of Using an Original Rear Lamp

Using a factory rear lamp for the Mercedes W639 offers a range of practical benefits for everyday use:

• Precise Fit – the shape and mounting points correspond to the original body design, facilitating installation and eliminating the need for modifications.
• Cohesive Aesthetics – maintaining the original styling line of the vehicle's rear, without differences in shape or lens division.
• Stable Lighting Parameters – the construction is adapted to the factory electrical system, promoting uniform illumination and correct brake light operation.

This solution is particularly beneficial for post-accident repairs or replacing a damaged lamp when preserving the original design specifications is important.

Condition and Service Application

The lamp is in used condition, making it an attractive alternative to new parts while maintaining the original manufacturer's specifications. It is suitable for both professional body and paint shops, as well as independent workshops where a combination of quality and reasonable repair cost is valued. Thanks to its factory origin, the component works well with the existing installation and allows for quick restoration of full rear lighting functionality.

If you need other rear lighting components for this model, especially compatible lamps mounted at the rear of the vehicle, check the available parts in the Rear Lights and Brake Lights Mercedes category.

Additional Information and Technical Tips

For users planning more extensive modifications or vehicle refreshes, selecting appropriate used components can significantly reduce the cost of the entire project while maintaining high quality. It is worth familiarizing yourself with practical tips on selecting and installing used body and lighting components – you can find them in the article Best Used Parts for Tuning Your Car, which discusses how to consciously choose components from the aftermarket.