gregwild said: The rpm every once in a while..goes upt to like 40,000 when it shouldn't be there.
________________________________________________________________
I assume you mean 4,000 rpms, not 40,000. Sticky valves will not cause your engine to rev to 4,000 rpms. My advice is to take the car to a qualified MB indie mechanic.

__________________
1986 560 SEL (159K miles)