Mercedes W211 Panoramic Sunroof Sliding Roof Front Window Glass Panel Tinted AS3

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W211 Panoramic Sunroof Sliding Roof Front Window Glass Panel Tinted AS3 is an original, tinted glass panel designed for the factory sliding roof. This component is specifically engineered for installation in the front section of the panoramic roof, providing a comfortable amount of light in the cabin and reducing interior heat buildup thanks to its AS3 rating. This is an ideal solution for users looking to restore the full functionality of their sliding roof while maintaining factory-grade quality.

Specifications and technical data

• SKU: A2117800144
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2117800144
• Substitutable numbers: A2117800144, A 211 780 01 44
• Location on the vehicle: Front
• Category: Other Exterior Parts & Accessories

Purpose and function of the glass panel

The front sliding roof glass panel in the Mercedes W211 is responsible for illuminating the cabin and ensuring the proper operation of the sliding mechanism in the front section. Its placement in the front part of the roof means the component works in conjunction with the guide rails, perimeter seals, and sunshade, directly impacting driving comfort and body sealing.

The tinted glass with AS3 certification helps reduce solar heat gain, which improves thermal conditions inside the vehicle and reduces the load on the air conditioning system. At the same time, it maintains good visibility and the characteristic effect of optically enlarging the space provided by the panoramic roof.

Construction and performance parameters

The panel is an integral part of the roof system, working with the factory guide rails and roof frame. The construction, based on original laminated or tempered glass (as per the AS3 marking), ensures appropriate mechanical strength and resistance to typical operational stresses, such as temperature fluctuations, body vibrations, or air pressure at higher speeds.

The tinting of the glass improves travel comfort by reducing glare and excessive sunlight, while maintaining a consistent appearance with the vehicle's other windows. Thanks to the factory fitment, the panel works seamlessly with the seals and roof frame, making it easier to achieve proper sealing after installation.

Condition, fitment, and installation

The offered item is used, which allows for an economical replacement of a damaged or leaking panel while maintaining the manufacturer's original specifications. This type of part is particularly useful in cases of glass breakage, mechanical damage, or issues with the roof closing due to panel deformation.

Due to its factory origin, the panel is structurally prepared for installation in the front section of the panoramic roof in the Mercedes W211. In practice, this means it utilizes existing mounting points and is fully compatible with the factory sliding mechanism, which simplifies service work and reduces repair time.

Benefits of using an original panel

Using an original front glass panel for the panoramic roof allows you to maintain the visual consistency of the bodywork and ensure proper cooperation with other roof system components. This solution is particularly beneficial for users who prioritize:

• maintaining the factory look and character of the panoramic roof,
• preserving proper sealing and reducing the risk of leaks,
• comfortable interior illumination while limiting cabin heat,
• compatibility with the original sliding mechanism and seals.

If you are planning a comprehensive repair or upgrade of the roof area in your Mercedes and need other components from the same group, such as additional glass panels, guide rail elements, or seals, check out the available parts in the Other Mercedes category.

Technical support and knowledge about sports constructions

For those interested in comparing solutions used across different brands and segments, including high-performance models, an article discussing the structural differences in engines, brakes, and chassis in sports versions of a specific manufacturer may be helpful. More information can be found in the article: Audi RS vs other models – what is hidden under the hood and chassis?.