Mercedes W204 W212 Saloon Sliding Roof Sunroof Frame Assy Beige A2127801529

Visual condition of the part

The product shows signs of use visible in the photos. Mercedes W204 W212 Saloon Sliding Roof Sunroof Frame Assy Beige is an original structural component designed for the rear section of the sunroof in mid-size Mercedes sedans. The beige frame provides a stable base for the mechanism and headliner, ensuring proper panel guidance and a tight fit within the roof structure. It is a practical solution for users who want to restore full sunroof functionality while maintaining factory geometry and fitment.

Specifications and technical data

• SKU: A2047800429
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2047800429
• Substitutable numbers: A 204 780 04 29, A2047800429, A 204 780 05 00, A2047800500
• Location on the vehicle: Rear
• Part type: Sunroof
• Category: Sunroofs & Parts

Purpose and function of the sunroof frame

The sunroof frame in Mercedes W204 and W212 sedans is responsible for stable mounting of the rear part of the sunroof structure, correct panel guidance, and interaction with the water drainage system. Its placement in the rear roof zone makes this component significant for the rigidity of the entire module and the precision of the tilting and sliding mechanism. The original frame from this series is designed for a specific body type, ensuring it maintains the appropriate rigidity, assembly tolerances, and compatibility with factory rails, seals, and interior covers.

Construction, color, and interior fit

The presented sunroof frame is finished in beige, which allows for a cohesive visual integration with the headliner upholstery in a matching tone. This solution reduces color contrast and helps maintain a uniform, elegant look of the Mercedes interior. The frame construction is adapted for installation in the rear part of the sunroof module, with properly positioned mounting points and locations for interacting components. This makes it possible to restore the factory layout without the need for modifications or fitting universal replacements.

Benefits of using an original used frame

Using an original sunroof frame instead of a damaged component allows you to:

• maintain the correct geometry of the rear roof section and the sunroof module,
• preserve compatibility with factory rails and seals,
• minimize the risk of leaks and improper panel operation,
• reduce assembly time thanks to predictable fitment to the bodywork. A used, original element of this class is often chosen as a reasonable compromise between cost and maintaining parameters specified by the manufacturer, especially in the case of post-accident repairs or operational damage to the sunroof module.

Application in the rear of the vehicle and assembly aspects

The placement of the frame in the rear zone of the sunroof requires precise installation to maintain proper alignment with the roof skin and interior elements. In practice, this means it is necessary to check:

• the contact lines with the roof structure,
• the correct seating in relation to the rails and the sunroof panel,
• the correct positioning of interacting elements in the rear part of the module. The frame designed for this generation of Mercedes sedans allows for the restoration of the factory layout, which is important both from the point of view of user comfort and the reduction of noise and vibrations within the roof area.

Complementary items from the same group

If you are planning a comprehensive repair or upgrade of the roof area in your Mercedes and need other elements from the same group, such as rails, seals, or complete modules, check the available parts in the Panoramic roofs, sunroofs and parts Mercedes category.

Knowledge and advice on part selection

When selecting roof structural elements, such as the sunroof frame, it is worth being guided by the experience of using original components in premium class vehicles. Additional information on the advantages of using factory-made, used parts in premium segment cars is provided in our blog article: Retrofitting and servicing BMW models – most frequently chosen original used parts. Although it concerns a different brand, it well illustrates the approach to the conscious use of original dismantled components in modern cars.