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MPG Accuracy!
03-14-2013, 08:45 AM
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2013 C250 Sport and 2015 Acura TLX 2.4 Tech
MPG Accuracy!
I've owned several cars with computer displays for mpg attained. They all indicated 1-2 mpg better than actual using pump numbers and a calculator. Yesterday I drove my first trip of half-way to Houston and back (70-75 mph) and the mpg indicator for the trip was 31 mpg. Checking at the pump I got 31.04 mpg. I'm really impressed with the MB's accuracy, and the highway gas mileage matched the EPA estimate on the window sticker. I only had about 1500 total miles on the car. I didn't expect the mileage to get better until at least 5000 miles. Way to go MB!
03-14-2013, 12:21 PM
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I6 and V6 Diesels
MPG accuracy for my 2007 S550 is the same way. Drove to Florida from DC round trip on three tanks, 660 miles to a tank 30-31 mpg reported within 0.5 mpg of calculated values. Not only is the accuracy amazing, but 30mpg for a 5000lb sedan is just awesome. City is only about 15, but could be my heavy foot.
