Mercedes W221 Rear Triangle Quarter Window Glass Pane Right O/S AS2 A2217300820

Mercedes W221 Rear Triangle Quarter Window Glass Pane Right O/S is an original body component from the Car windows category, designed for installation in the rear right section of the vehicle body. This used glass pane provides a functional solution for post-accident repairs, replacing damaged glazing, or completing the bodywork of high-end Mercedes models.

Specifications and technical data

• SKU: A2217300820
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2217300820
• Substitutable numbers: A2217300820, A 221 730 08 20
• Location on the vehicle: Rear, Right
• Category: Car Glass

Purpose and function of the side window

The rear right side body window is responsible for illuminating the interior, ensuring proper visibility, and maintaining the structural stability of the side body zone. The use of glass marked as AS2 ensures appropriate light transmission and safety parameters, compliant with the requirements for side windows in premium passenger vehicles.

This component is particularly important for restoring the factory rigidity of the body, maintaining the correct side profile, and restoring the vehicle's aesthetics after mechanical damage or collisions.

Benefits of using an original Mercedes window

Using an original side window in the Mercedes W221 model allows for maintaining the stylistic and technical consistency of the entire body. Proper fitment of the shape, glass thickness, and edge geometry facilitates installation and reduces the risk of leaks, rattles, or stresses within the bodywork.

The main advantages of this solution include:

• Factory fitment to the body – glass designed for the specific W221 body generation.
• Visual consistency with the vehicle's other glazing.
• Suitability for use in professional body and paint repairs as well as vehicle reconstruction.

Installation characteristics and application zone

The glass is intended for installation in the rear right part of the body, in the side body zone area. Such placement requires precise alignment with the window frame, seals, and interior trim elements. A properly selected component from the Car windows group helps reduce installation time and ensures the correct operation of seals and trim strips.

The used nature of the product makes it a cost-effective solution while maintaining the original design specifications, which is particularly important in the case of luxury vehicles.

Using a pre-owned window in vehicle repairs

Choosing a used side window is a common practice in professional workshops, especially when repairing vehicles where compliance with the factory design and a reasonable budget are important. This type of component allows for:

• restoring full glazing functionality after mechanical damage,
• replacing missing body components during major repairs,
• maintaining the original character of the vehicle without the need for aftermarket replacements.

If you want to learn more about the specifics of the second-hand parts market and dispel doubts regarding their quality, it is worth reading the article Used car parts: myths and facts you need to know, which discusses the most important issues related to such a choice in an accessible way.

Expanding the scope of work within body windows

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

Summary

Mercedes W221 Rear Triangle Quarter Window Glass Pane Right O/S is a practical choice for body repairs where maintaining the original geometry and aesthetics of the vehicle is key. A used component from the side window group allows for a technically correct reconstruction of the rear body zone, while simultaneously optimizing service costs and maintaining the character of a premium class car.