Mercedes Vito W639 Side Window Front Left N/S Fixed Triangle Glass AS2

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes Vito W639 Side Window Front Left N/S Fixed Triangle Glass AS2 is a precisely fitted body component designed for installation in the front left section of the vehicle. As an original body glass from the Car windows segment, it provides stable side glazing, improving driving comfort and the safety of the driver and passenger. This used component allows for an economical yet professional vehicle repair while maintaining the correct body geometry.

Specifications and technical data

• SKU: A6396736705-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6396736705
• Substitutable numbers: A6396736705, A 639 673 67 05, A6396734905, A 639 673 49 05
• Location on the vehicle: Front, Left
• Category: Car Glass

Purpose and function of the triangle glass

The triangle glass in the front left part of the body plays an important role in illuminating the cabin and maintaining the lateral rigidity of the structure. In the Mercedes Vito W639 model, this glazing element works with the door and the pillar, creating a tight, stable connection with the other windows. Thanks to the appropriate edge profile, the triangle body glass reduces air turbulence at the pillar, which translates into more comfortable acoustics inside the vehicle.

Compatibility and fit for Mercedes Vito W639

The offered glass has been designed specifically for the Mercedes Vito W639 body, taking into account the characteristic side line and the shape of the pillars. The placement in the Front, Left zone guarantees proper fitment with factory seals and body components. The AS2 marking indicates glass with appropriate light transmission parameters, compliant with the requirements for side windows, which helps maintain field of view clarity and user comfort.

Characteristics of the used component

As a secondary market item, the triangle body glass for the Mercedes Vito W639 is a sensible choice for post-accident repairs or replacing damaged glazing. The used component allows for reduced service costs while maintaining the original geometry and proper fit to the body. This type of solution is particularly beneficial in vehicles used intensively, where functionality, correct mounting, and compliance with the factory design are essential.

Benefits of using original body glass

Using original body glass in the Mercedes Vito W639 translates into several practical advantages:

• maintaining the proper lateral rigidity of the body in the front zone,
• correct fit to factory seals and mounting strips,
• appropriate light transmission compliant with the AS2 marking,
• consistent appearance of the side window line with other glazing elements.

Thanks to this, the vehicle maintains an aesthetic appearance and proper visibility conditions, which is important for both safety and the comfort of daily operation.

If you are planning a comprehensive repair or upgrade of the side glazing zone in your Mercedes and need other parts from the same group, such as side door windows, additional body glass, or sealing elements, check the available parts in the Mercedes car windows category.

Practical tips for replacement

When replacing the triangle glass in the Mercedes Vito W639, it is worth paying attention to the proper preparation of mounting surfaces, the condition of the seals, and correct seating in the frame. Installation in a workshop environment is recommended, using appropriate tools and adhesive or fastening materials to avoid stress and leaks. It is also good practice to compare the shape and contour of the glass before installation, which minimizes the risk of fitment issues.

To better plan vehicle service and optimally combine glass replacement with other maintenance work, it is worth checking the guide TOP 10 most frequently replaced parts in your car, which helps you consciously approach vehicle maintenance without unnecessary costs.