2013 Mercedes-Benz CLS Class Fuel Economy

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Fuel Economy
While the 2013 Mercedes-Benz CLS Class evades the gas guzzler tax, it's still by no means in league with the greenest of the luxury sedan class. On the other hand, the CLS is powerful, luxurious, and large--and considering those factors, surprisingly efficient.

The standard CLS 500 with rear-wheel drive rates 17 mpg city and 25 mpg highway according to the EPA. Adding all-wheel drive cuts the mileage to 16/25 mpg. The massively powerful CLS63 AMG scores a still-fair 15/22 mpg, for 18 mpg combined.

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