I have not seen them break a valve off in a piston yet although I have heard of it.

This is a tough job, even for the pros. Really think of whether you want to invest in the time and tools required to do this. In some cases, it is better for a tech to do the hard stuff.

------------------
Benzmac:
Donnie Drummonds
1992 500E (very soon I hope
1981 280GE SWB
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM