rayhennig, a 1991 300CE has the 104.980 engine with CIS. A 1993 300E 3.2 has the 104.992 engine with HFM, as do the 1994 & 1995 E320 models. The 1996 & 1997 E320 models have the 104.995 engine with HFM.

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Fred Hoelzle