Mercedes X117 Sliding Roof Glass Panoramic Sunroof Window AS3 A1177800100

Mercedes X117 Sliding Roof Glass Panoramic Sunroof Window is an original body component designed for vehicles of this series, providing comfortable cabin ventilation and improved interior lighting. This used roof glass module allows for an economical yet technically sound repair of a damaged or leaking panoramic roof. It is a solution for drivers who want to maintain factory functionality and aesthetics without investing in a new part.

Specifications and technical data

• SKU: A1177800100
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1177800100
• Substitutable numbers: A1177800100, A 117 780 01 00
• Part type: Sunroof
• Category: Sunroofs & Parts

Purpose and function of the component

The presented roof glass belongs to the Panoramic roofs, sunroofs and parts category and is a key component of the complete sliding roof system in the Mercedes X117. It is responsible for:

• sealing the roof opening against the bodywork,
• proper cooperation with the guide and drive mechanism,
• safe water drainage through the factory gutter and drainage system,
• maintaining proper structural rigidity within the roof opening area.

By maintaining the original geometry and glass thickness, the component ensures proper adhesion to seals and compatibility with factory covers and the headliner.

Benefits of using an original panoramic glass

Choosing an original roof glass for a Mercedes translates into a number of practical advantages in daily operation:

• Factory fit – dimensional compatibility with the roof frame and sliding mechanism is maintained, which reduces the risk of leaks and stress.
• Visual consistency – the shade of the glass and the edge line correspond to the styling of the X117 body, which allows for maintaining a uniform appearance of the vehicle.
• Cost savings – a used OEM component is a reasonable compromise between price and quality, especially for repairs after a collision or mechanical damage.
• Trouble-free installation – the design intended for factory mounting points facilitates service work and shortens replacement time.

Condition of the part and installation aspects

The offered roof glass is a used part, which in practice means that it comes from vehicle dismantling and retains the manufacturer's original specifications. Before installation, it is recommended to:

• verify the condition of the seals working with the glass,
• inspect the guides and roof cassette for play and contamination,
• check the correct operation of the drive after installing the component.

Professional installation in a specialized service center minimizes the risk of subsequent leaks and improper operation of the sliding mechanism.

Use of used parts and repair cost-effectiveness

In the case of body components such as the panoramic glass, using a used part allows for a significant reduction in repair costs while maintaining the factory design. If you are considering when it is worth reaching for second-hand components, the following article will be helpful: comparison of costs and quality of new and used car parts.

Before the winter season, it is particularly important to maintain the tightness of the body and roof. In the context of preparing the car for low temperatures, it is worth reading the guide: winter essential regarding used parts that are worth checking before frosts, where you will find practical checklists and service tips.