Mine is 94 too with 61k. It was running strange for a bit, but new plugs seemed to make all the difference. For now anyway. 147k sounds (from what I've read on this board) much further than when other people have run into problems. So I guess that's sort of a good thing. Good luck.
1994 C 280 117.5k, White (Good as new)
1997 Toyota Camry 149k Miles (Not so pretty anymore)
1990 190e 2.6 95k (Sold-Should not have)
1981 240d Stick ??? Miles...sold