Mercedes W205 Rear Panoramic Frame Automatic Sliding Sun Roof A2057808900

The rear frame of the panoramic automatic sunroof for Mercedes W205 is an original part from the Panoramic Roofs, Sunroofs, and Parts group, designed for precise installation in the rear section of the body. Designed by the vehicle manufacturer, the frame ensures proper guidance and stable seating of the sliding roof panel, which translates to user comfort and correct operation of the entire system.

Specifications and technical data

• SKU: A2057808900
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2057808900
• Substitutable numbers: A2057808900, A 205 780 89 00
• Location on the vehicle: Rear
• Gearbox type: Automatic
• Category: Sunroofs & Parts

Purpose and Function in the Vehicle

The rear frame of the automatic panoramic roof in the Mercedes C-Class W205 generation is responsible for the stable mounting and guidance of the movable glass panel elements in the rear roof area. This component works with an electrically controlled mechanism, allowing for smooth opening and closing of the sunroof from within the cabin.

Its placement in the rear of the vehicle means the frame is important for both sealing and the correct distribution of forces within the roof structure. A properly selected component helps to reduce unwanted vibrations, noise, and the risk of leaks in the panoramic glazing area.

Compatibility with Automatic Transmission System

The presented frame is intended for models equipped with an automatic transmission, which is important when selecting parts for a specific vehicle configuration. Automatic versions often come with extensive comfort packages, including a panoramic roof with automatic sliding function, therefore matching the roof's structural elements to this specification is crucial for maintaining full functionality.

Choosing the correct panoramic roof frame in terms of drive version and equipment reduces the risk of installation problems, improper fit, or errors in the sliding mechanism's operation.

Characteristics of an Original Used Part

The offered part comes from a Mercedes vehicle, meaning it retains the factory geometry, mounting points, and compatibility with other roof system components. A used OEM part is a solution that allows for the restoration of the original roof structure without the need for bodywork modifications or adaptations.

For panoramic roof frames, it is particularly important to preserve the original guides, support points, and contact surfaces with seals. Using a factory component promotes correct glass alignment, proper closing, and stable mechanism operation in the long term.

Benefits of Using an Original Panoramic Frame

• Factory Fit – maintains the original roof structure and compatibility with the sliding mechanism.
• Consistency with the sealing system and interior trim, facilitating installation and adjustment.
• Ability to restore full panoramic roof functionality after mechanical damage or corrosion of load-bearing elements.
• A cost-effective solution compared to replacing the entire roof module.

For workshops and users, this means shorter repair times, fewer modifications, and greater predictability of the final result after installation.

Support in Selection and Repair Time

When choosing used OEM parts for a panoramic roof system, it is worth paying attention to the availability of parts in stock and the possibility of quick installation in a workshop. As shown in the article Availability of Car Parts in Stock and Repair Time – How Used OEM Parts Shorten Workshop Stays?, appropriately selected aftermarket components can significantly reduce vehicle downtime and optimize service costs.

If you are considering the choice between new and used roof structure parts, the guide New or Used? A Comparison of Costs and Quality of Car Parts, where we discuss differences in durability, cost-effectiveness, and practical aspects of OEM part installation, may also be helpful.

If you are planning a comprehensive repair or upgrade of the roof area in your Mercedes and need other parts from the same group, such as guides, seals, or sliding mechanisms, check the available parts in the category Mercedes Panoramic Roofs, Sunroofs, and Parts.