just normal poor gas mileage or something worng?
If I am doing all highway driving with I went as low as 10.5L/100km in the C63
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And yes, I'm a bit of a leadfoot.


in most of the time, one tank would only last 200~220 miles before the warning signal lights up for me,
the best I can push on one tank of gas is 280 miles, most of which came from the high speed trip from Vegas back to LA
I get an avg of 430km a tank on my 2012 (MCT)... The most I've gotten was 498... Then I rushed to the gas station because I didn't want ot push it any further in case I got stranded on the side of the road.
In my experience, putting around at 65-70 in traffic will yield me around 16-17 mpgs. If I can average 80-85, I can actually be above 20 mpgs.
For the record, on my recently retired car, I logged 32k miles in 2011, 37k miles in 2010, and 25k miles in 2009.
That is the mileage that my wife gets in the C63 right now. I hardly got 300kms when I drove it.







How are you driving it? 