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I have a '95 C280 with a squeaky sunroof. What do you lubricate the sunroof with and where do you lubricate it? Channels, can you get to the motor(s)? WD40, grease, silicone spray?
wd40 will dry up with the wind, and lithium grease left a mess. I used a tiny amount of motor oil and brushed it on the tracks with my fingers........lubed up the sunroof perfectly