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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.

Reported MPG

 

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If you are not a TrueDelta member, you can see only five Mercedes-Benz CLS MPG averages for each powertrain. Log in or join us to see them all.

Mercedes-Benz CLS Gas Mileage

Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2009 4dr Sedan 382-horsepower 5.5L V8
7-speed shiftable automatic RWD
flat med hvy 0 5 30 65 75 22.5
  flat med hvy 0 0 0 100 75 28.5
2009 4dr Sedan 382-horsepower 5.5L V8
7-speed shiftable automatic RWD
flat med hvy 0 3 15 83 75 25.5  
  Averages flat med hvy 0 3 15 83 75 25.5
With the 382-horsepower 5.5L V8 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, 2009 Mercedes-Benz CLS fuel economy has been averaging 25.5 MPG (miles per gallon).

The 2009 Mercedes-Benz CLSs in this analysis were driven mostly on the highway at an average speed of 75 miles per hour (about 83 percent of the miles driven). The rest of the miles were in the suburbs (15 percent), in the city (3 percent), and in heavy traffic (0 percent).

In addition the average 2009 Mercedes-Benz CLS in this analysis was driven on flat terrain with a medium foot and the AC on most or all of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2007 4dr Sedan 382-horsepower 5.5L V8
7-speed shiftable automatic RWD
flat med light 0 5 10 85 70 26.0
2007 4dr Sedan 382-horsepower 5.5L V8
7-speed shiftable automatic RWD
flat med light 0 5 10 85 70 26.0  
  Averages flat med light 0 5 10 85 70 26.0
With the 382-horsepower 5.5L V8 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, the 2007 Mercedes-Benz CLS has been averaging 26.0 MPG (miles per gallon).

The 2007 Mercedes-Benz CLSs in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 85 percent of the miles driven). The rest of the miles were in the suburbs (10 percent), in the city (5 percent), and in heavy traffic (0 percent).

In addition the average 2007 Mercedes-Benz CLS in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.

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