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Mercedes-Benz CLS Fuel Economy Data

4dr Sedan 382-hp 5.5L V8 7-sp shiftable automatic RWD

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What Our Members Are Saying about the Real Gas Mileage of the 2009 Mercedes-Benz CLS

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2009 Mercedes-Benz CLS Gas Mileage (MPG)

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Mercedes-Benz CLS's real-world MPG based on how and where you drive a car.