Try the SEARCH feature on crank "flywheel sensor". That is a commom problem on the M112/113 engines in most 1998 & later cars!

List price is around $100 & takes less than an hour to install.

Fuel pumps can cause tha same results!

__________________
MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator