Sliding Roof Mercedes W169 W245 Panoramic Glass Assembly A1697800205

Sliding Roof Mercedes W169 W245 Panoramic Glass Assembly is an original structural component designed for the front roof section of Mercedes vehicles. Engineered as a precision component of the sunroof mechanism, it ensures smooth panel guidance and stable operation of the entire system. This used OEM part is a sensible choice for drivers looking for a technically compatible solution at an attractive price.

Specifications and technical data

• SKU: A1697800205
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1697800205
• Substitutable numbers: A1697800205, A 169 780 02 05, BG
• Location on the vehicle: Front
• Category: Other Exterior Parts & Accessories

Purpose and function of the sunroof slat

The sunroof slat in Mercedes W169 and W245 models is responsible for the proper guidance and support of the moving roof parts in the front area of the vehicle. It is a component operating within the guide rail system that:

• stabilizes the movement of the sunroof panel during opening and closing,
• reduces unwanted play in the mechanism,
• supports even load distribution in the front part of the roof structure.

Thanks to the use of a factory-engineered solution, compatibility with the body geometry and proper interaction with other sunroof mechanism components are maintained.

Benefits of using an original Mercedes slat

Using an original slat in the sunroof provides a number of practical operational benefits. The component has been designed specifically for the construction of W169 and W245 models, which translates into:

• precise fitment to factory mounting points and guide rails,
• proper interaction with the existing mechanism without the need for modifications,
• preservation of factory sunroof operating parameters, including smooth movement and correct closing.

A used OEM component allows you to restore the efficiency of the mechanism while reducing costs compared to purchasing a new part.

Vehicle placement and installation aspects

The slat is intended for installation in the front part of the vehicle, within the sunroof structure area. In practice, this means it operates in a zone particularly exposed to dynamic loads and temperature changes, which is why using a component consistent with the manufacturer's design is important for the durability of the entire system.

When replacing, it is recommended to:

• check the condition of the sunroof guide rails and seals,
• verify the correct alignment of the mechanism after installation,
• perform a full opening and closing cycle test.

Such an approach helps minimize the risk of repeated disassembly and ensures stable roof operation after the repair.

Part selection by brand and catalog numbers

The offered slat comes from the Mercedes range of parts, which facilitates identification and selection for a specific body version. The product has an assigned OEM number and interchangeable numbers, allowing it to be verified against service documentation or the manufacturer's catalog without the need for visual dimension comparison.

In the product description and the specification table, you will find technical markings that allow you to match the element to your specific vehicle, minimizing the risk of purchasing an incorrect part.

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 guide rails, covers, or additional sunroof mechanism components, check the available parts in the Other Mercedes category.

Technical support and knowledge of sports constructions

When selecting moving parts, such as a sunroof slat, it is worth knowing the differences in the construction of individual model versions and understanding how the manufacturer designs body, suspension, or drivetrain systems. A good knowledge base regarding manufacturers' approaches to designing more powerful model versions can be found in an article comparing sports variants with standard versions – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?. This is a valuable supplement to the knowledge for those who want to consciously choose components and better understand the structural differences in modern cars.