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Old 11-30-2012, 12:06 AM   #23 (permalink)
ever_green
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Join Date: May 2011
Location: Toronto
Posts: 264

gueff - '19 Mercedes Benz A250 4MATIC AMG
90 day: 30.55 mpg (US)
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average speed is ~30mph because of dozen stops lights/traffic etc. the trip is about 15miles one way or 30minutes. summer mileage was 24.5mpg on the dot, now it's about 20mpg even though i do less rushhour time.

highway cruising at 70mph displays 26mpg when it used to be near 30mpg. car used to get real hot in summer here when temps were in 90s. coolant reached 103'c or 220'f. one reason why i got rid of the underhood insulation pad.

i will be reseting my ECU back to factory settings tomorrow and will see the difference.
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Last edited by ever_green; 11-30-2012 at 12:16 AM..
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