MPG Accuracy! - MBWorld.org Forums

Mar 14, 2013 | 08:45 AM

Citation Driver

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Joined: Jan 2013

Posts: 136

Likes: 1

From: D/FW, TX

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!

Mar 14, 2013 | 12:21 PM

RA032924

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Joined: Jul 2007

Posts: 84

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From: Djibouti

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.

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