Thanks SL320 and sixto.... I have repaired engines in the past when I was a mechanic so I may take a shot at it.

There appears to be a timing cover just under the valve cover, not much information on line about the OM648 engine, as I believe this is.

I suspect that first I'll get the timing marks aligned to insure that it is 100% on time, then I'll go from there.

As stated, there are in fact teeth missing from the front of the cam gear, been looking on line for parts, most available are from foreign countries, I'd hate to pay full dealer price for a valve cover or any other simpler parts that need replacing.

My question at this point is that since it is apparent that the cam gear's teeth were damaged do I need to replace the timing chain as well?

Thanks guys!!!!

__________________
Currently Driving
2006 E320 CDI
1999 E300 Turbo Diesl
2002 ML500
1995 E320 Station Wagon


MBs I've owned
1997 E320 Assassinated by Pine Tree
1987 300E Wife Killed Engine
1981 300D Stretch Limo Total Loss
1970 250 Coupe 212,000 mi.
1974 450sel 184,000 mi.
1974 240D 377,000 mi.
1977 300D 204, 000 mi.
1979 280se God Only Knows!
1983 240D 130,000 mi.
1972 220D 280,000 mi.
1983 300SD 244,000 mi.