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How to Clean and Lubricate the Sunroof on a Mercedes C-Class W203

Model: Mercedes Classe C W203 - Years 2000-2007
Part: Checks and maintenance

Let's see how to clean and lubricate the sunroof on a Mercedes C-Class W203: what you need is a high-performance silicone grease like WD-40. You can find it in a 150 g tube on Amazon with code B0BWKFR15Y for $12.99, with free shipping for Prime members. First, fully open the sunroof to access the side tracks, vacuum all the dust and debris inside. With a cloth soaked in isopropyl alcohol, carefully clean the metal tracks; for the tighter and harder-to-reach corners, use a cotton swab. On the perfectly clean and dry tracks, apply the silicone grease with a finger or a small brush. A thin and even layer is sufficient, even on the mechanical arms. Perform a functionality test and then use a clean cloth to remove any excess lubricant, which could attract new dirt. This operation should be done once a year.

Posted on 11 April 2026 by ScegliAuto

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