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Mercedes-Benz E320 cdi sport saloon - Roof Noises - ebony

My 2008/2009 car has a full glass roof with front opening section which makes a weird creak/knock over the NSR passenger seat on rough roads. Has anyone else had this problem and if so what is the cure?

Mercedes-Benz E320 cdi sport saloon - Roof Noises - RobJP

It could just be the seals aging.

However, if it does not leak, then DO NOT start messing about with it. You may turn what is a minor annoyance into a major problem.

Mercedes-Benz E320 cdi sport saloon - Roof Noises - cws

Head over to the UK-based MB forum - mbclub. You'll likely get advice on a cause/fix from the forum. I know the pan-roofs on the C Class coupe used to require periodic greasing and the E Class pan-roof may be the same.