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Old 01-02-2003, 08:20 PM
Michael K Michael K is offline
Registered User
Join Date: Jan 2002
Location: Washington, DC
Posts: 512
At that speed, I would be pleased with your milage. The trip sounds like fun, but I don't think you could expect more efficiency from the M104. I've never run my 1997 C230 (M111) at that speed for that long, but at 75ish, I get about 35 mpg. At 75ish, my 1995 E320 Wagon (M104) is in the middle twenties. Good luck. Have fun.

1988 300 SL (5 Speed)
1994 E320 Wagon
1997 C230
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