My valve cover is leaking oil in the rear on my 300CE 3.2. I've heard that it common. Would extra sealant in addition to new seal be a more permanent solution? What kind would do the trick? Any advice?

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93 300CE CABRIOLET

You shouldn't need any sealant on MB valve cover gaskets. If I used anything it would be the thinnest layer of a gasket sealer like the Permatex "Right Stuff".

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician

Or Loctite 515 on both sides of the gasket.