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What Mileage Does the 2015 Mercedes-Benz C-Class Get After 7,000 Miles?

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It’s been 4,000 miles and a little more than two months since our last fuel economy update on Cars.com’s 2015 Mercedes-Benz C300 4Matic long-term test car. We’ve observed a noticeable increase in fuel economy after more than doubling the mileage of our first report at 3,100 miles.

Related: What Mileage Does the 2015 Mercedes-Benz C-Class Get After 3,000 Miles?

The best recorded tank — using fill-up calculations — increases from 27.38 mpg to 29.73 mpg, and the overall average is up 1.77 mpg to 25.61 mpg. We’re still almost a couple mpgs off of the 27 mpg combined EPA rating, however, but at least the C300’s fuel economy is heading in the right direction. Stay tuned as we track its fuel economy during our yearlong test.

Photo of Joe Bruzek
Managing Editor Joe Bruzek’s 22 years of automotive experience doesn’t count the lifelong obsession that started as a kid admiring his dad’s 1964 Chevrolet Corvette — and continues to this day. Joe’s been an automotive journalist with Cars.com for 16 years, writing shopper-focused car reviews, news and research content. As Managing Editor, one of his favorite areas of focus is helping shoppers understand electric cars and how to determine whether going electric is right for them. In his free time, Joe maintains a love-hate relationship with his 1998 Pontiac Firebird Trans Am that he wishes would fix itself. LinkedIn: https://www.linkedin.com/in/joe-bruzek-2699b41b/ Email Joe Bruzek

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