Mercedes W117 Panoramic Sunroof Roof Window Glass Panel AS3 A1177800021

Mercedes W117 Panoramic Sunroof Roof Window Glass Panel is an original glass panel designed for the factory panoramic roof in W117 series models. This item from the Panoramic roofs, sunroofs and parts category allows for a professional replacement of a damaged glass panel, restoring the proper operation of the roof and comfort of use. By maintaining the manufacturer's specifications, the panel ensures a proper fit to the body structure and factory guides.

Specifications and technical data

• SKU: A1177800021
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1177800021
• Substitutable numbers: A1177800021, A 117 780 00 21
• Category: Sunroofs & Parts

Purpose and function of the glass panel

The Mercedes W117 Panoramic Sunroof Roof Window Glass Panel is a key component of the roof system, responsible for illuminating the cabin and protecting against external factors. The glass panel works with the factory sliding mechanism and seals, ensuring:

• stable seating in the panoramic roof frame,
• proper guidance during opening and closing,
• appropriate structural rigidity within the roof opening.

As an OEM Mercedes component, the glass is designed to maintain the factory operating parameters of the roof and compatibility with the original system components.

Benefits of using an original panoramic panel

Using an original glass panel in a panoramic roof provides a number of practical technical benefits:

• Precise fit to the W117 body structure, without the need for modifications to mounts or guides.
• Consistency with the factory sealing system, which makes it easier to maintain roof tightness and reduces the risk of leaks.
• Compatibility with the existing sunroof mechanism, allowing for the retention of full opening and tilting functionality.
• Possibility of professional repair after glass damage without interfering with other structural elements of the roof.

For users who value original Mercedes solutions, such a panel is a technically coherent solution that allows for restoring the factory standard of finish and operation of the panoramic roof.

Characteristics of the used component

The offered glass panel comes from the used Mercedes parts segment, which allows for an economical, yet technically correct repair of the panoramic roof. An item of this type is particularly attractive in situations where it is necessary to replace the glass itself while maintaining a functional mechanism and roof frame.

Choosing a used OEM panel is especially beneficial when you want to maintain the original manufacturer's specifications while optimizing the costs of repair or vehicle modernization.

Application in tuning and vehicle modernization

Replacing a standard roof solution with a panoramic one in a Mercedes W117, using an original glass panel, can be part of a broader modernization project. For modification enthusiasts who are planning extensive work on the body and interior, used OEM components often represent a reasonable compromise between quality and budget. If you are interested in the broader context of using used components for car modifications, it is worth reading the article The best used parts for tuning your car.

Expanding work within the panoramic roof area

If you are planning a comprehensive repair or modernization of the roof area in your Mercedes and need other elements from the same group, such as guides, cassettes, or seals, check out the available parts in the Mercedes panoramic roofs, sunroofs and parts category.