On this engine, check the dist. caps and rotors. I have seen a million fail. They have really weird problems.

PS If you do it yourself, we sell 'em in the partsshop.

------------------
Benzmac:
1981 280GE SWB
1987 16V
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM