yup it's expensive. i knew about that spray around the manifold trick - with soapy water. and the other old trick was to plug the leak with soap! mine isn't surging (yet?) though. it's the cruise control and the occassional hiccup starting on cold mornings that's got me wondering. i suppose it's a matter of time...
1993 300e-2.8 - gone now <sigh>
"Do not adjust your mind, it's reality that's malfunctioning"