the gasket you need is mercedes prt number 617-052-02-80
it is available seperate and fastlane does sell it. you could also go to your local dealer and give them the part number. they may have it.
if you cant find it, i can get it for you. let me know
Ray
mercedessd@cox.net


don't use silicone it will leak!
by the way it is timing chain, not belt