Mercedes Vito W639 Side Quarter Window Front Right O/S Triangle Glass AS2

Mercedes Vito W639 Side Quarter Window Front Right O/S Triangle Glass AS2 is a precisely fitted body component designed for the front right section of the vehicle. Its original design ensures proper sealing, stability, and safe visibility, while the dedicated vehicle placement makes it easy to select the correct part. This is a practical solution for users who want to restore full functionality to the side window area of their Mercedes Vito W639 by using a proven component.

Specifications and technical data

• SKU: A6396736805-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6396736805
• Substitutable numbers: A6396736805, A 639 673 68 05, A6396735005, A 639 673 50 05
• Location on the vehicle: Front, Right
• Category: Car Glass

Purpose and body fitment

The presented triangular quarter glass is designed specifically for installation in the front right section of the Mercedes Vito W639 body. Its shape and geometry are adapted to the factory door frame and pillar, which allows for maintaining proper structural rigidity and correct seal adhesion. As a result, after installation, it is possible to maintain adequate cabin tightness and reduce unwanted wind noise while driving.

The glass belongs to the Automotive glass category, which means it meets the requirements for installation in the body zone responsible for the visibility and safety of the driver and passengers. The vehicle placement specified as front – right side facilitates unambiguous matching of the part to the specific mounting position.

Technical characteristics of AS2 glass

The AS2 marking indicates the use of glass with parameters suitable for vehicle side windows. This type of glass is designed to maintain transparency, resistance to typical operational loads, and compliance with passive safety standards. In practice, this means stable retention of the glass in the frame, predictable material reactions in the event of damage, and comfortable visibility during daily driving.

Thanks to the factory edge profile, the glass works with original mounting and sealing elements. This facilitates service work and reduces the time required for replacement, which is important for both workshops and individual users.

Benefits of using an original quarter glass

Choosing a dedicated triangular glass for the Mercedes Vito W639 allows you to maintain the structural consistency of the body and the aesthetics of the vehicle's side line. Proper fitment to the door frame and pillar translates into:

• correct adhesion to seals and body components,
• reduced risk of leaks and noise,
• stable seating in the mounting point on the front right side,
• preservation of the vehicle's factory appearance after repair.

The product comes from the used parts segment, which allows you to combine functionality with a more favorable purchase cost. For many users, this is a reasonable compromise between quality and budget, especially for body repairs where both fitment and operational economy are important.

Application in vehicle repairs and upgrades

The triangular quarter glass on the front right side will work well both for typical replacement of a damaged element and for broader body and paint work in the area of the door and pillar. Thanks to the preservation of the original geometry, it is possible to restore the correct body line and proper alignment with adjacent elements.

If you are planning comprehensive maintenance of your car and want to better understand which components most often require replacement, the article TOP 10 most frequently replaced parts in your car may be helpful. You will find practical tips there on how to plan service and optimize operating costs.

Why consider a used part

In the case of elements such as side windows, choosing a used part often allows you to significantly reduce repair costs while maintaining appropriate performance parameters. This solution is particularly attractive for vehicles used intensively, where functionality, correct fitment, and a reasonable service budget are what count.

If you want to make informed purchasing decisions in this area, it is worth reading the guide Used parts – Your guide to the best offers in the automotive store, which discusses how to choose used components and what to pay attention to when selecting them.