My 1985 has slightly taller gearing than my 1984, I recall ~2500 rpm at 65 mph. But even after commuting in it for 19 years, every time I accelerate onto the interstate I keep expecting that final shift that never comes. Why M-B couldn't do better with 4 gears to play with is beyond me. It isn't like they don't have things like autobahns in Germany. I also commute in my 1996 Voyager 4 cyl which has a 3 spd, but maybe spins ~2000 rpm at 65 mph (no tach). Probably it is the switching back and forth between them that frustrates me.

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1984 & 1985 CA 300D's
1964 & 65 Mopar's - Valiant, Dart, Newport
1996 & 2002 Chrysler minivans