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Old 01-12-2009, 10:45 AM
johng99 johng99 is offline
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Join Date: Feb 2004
Location: Evansille, Indiana
Posts: 112
The '88 560SEC averages around 17 - this was greatly improved after my indie tuned the engine and set the air/fuel ratio.
the '93 300d averages around 30mpg.
Newest addition, '95 E320 seems to get around 26 on highway. I haven't had it long enough to get a good average reading.
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John Gillespie
1988 560sec - 192k miles
2006 CLK500 - 40K miles
1995 E300 - 202k miles
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