Read this ---> http://dieselgiant.com/mercedesvacuumtroubleshooting.htm

I too have vaccume leaks, but i could still shut my car off... I tested the vacuume off the M/C, and it was bouncing between 0 and 3HG. And now I have to use the lever to shut my car off

I hate vacuume
~Nate

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95 Honda Shadow ACE 1100.
1999 Plymouth Neon Expresso. 2.4 swap, 10.5 to 1 comp, big cams. Autocross time attack vehicle!
2012 Escape, 'hunter" (5 sp 4cyl)