ON that & all models thru 1992 the engine computer is PLUG & PLAY!


Starting in 1993 with the 300E the HFM-SFI computers require version coding.
Then in 1996 all fuel computers require version coding..

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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