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Mercedes-Benz M-Class vs. Mercedes-Benz GLK Fuel Economy (g/100m)

Chart is based on 47 fuel economy reports for the Mercedes-Benz M-Class and 36 fuel economy reports for the Mercedes-Benz GLK.

Mercedes-Benz M-Class g/100m

Mercedes-Benz M-Class Mercedes-Benz M-Class 2013 3.4 MPG Highway Percentage 56 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2012 3.5 MPG Highway Percentage 80 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2011 4.2 MPG Highway Percentage 20 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2010 25.4 MPG Highway Percentage 35 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2010 3.8 MPG Highway Percentage 69 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2010 5.1 MPG Highway Percentage 54 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2009 4.0 MPG Highway Percentage 44 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2008 26.1 MPG Highway Percentage 15 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2008 6.6 MPG Highway Percentage 63 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2007 25.6 MPG Highway Percentage 45 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2007 4.9 MPG Highway Percentage 67 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2006 5.7 MPG Highway Percentage 25 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2006 5.1 MPG Highway Percentage 54 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2005 5.4 MPG Highway Percentage 5 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2005 6.6 MPG Highway Percentage 50 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2004 5.5 MPG Highway Percentage 40 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2003 5.7 MPG Highway Percentage 65 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2003 6.3 MPG Highway Percentage 80 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2002 19.5 MPG Highway Percentage 44 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2002 20.7 MPG Highway Percentage 23 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2002 6.3 MPG Highway Percentage 25 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2000 20.1 MPG Highway Percentage 80 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2000 4.7 MPG Highway Percentage 90 percent
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 g/100m
2013 4dr SUV turbocharged 240hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
flat light hvy 7 21 16 56 65 3.4  
2012 4dr SUV turbocharged 240hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
hills light none 0 5 15 80 64 3.5  
2011 4dr SUV turbocharged 210hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
flat light light 10 10 60 20 60 4.2  
2010 4dr SUV turbocharged 228hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
hills med light 5 10 50 35 100 25.4  
2010 4dr SUV turbocharged 210hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
flat med none 1 5 25 69 70 3.8  
2010 4dr SUV 382-horsepower 5.5L V8
7-speed shiftable automatic AWD
flat med hvy 17 15 15 54 70 5.1  
2009 4dr SUV turbocharged 210hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
flat light light 4 7 46 44 73 4.0  
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2008 4dr SUV turbocharged 221hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
flat med none 25 30 30 15 100 26.1  
2008 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
flat light light 2 18 17 63 70 6.6  
2007 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
flat v.lt none 10 25 20 45 100 25.6  
2007 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
flat light light 6 9 18 67 69 4.9  
2006 4dr SUV 302-horsepower 5.0L V8
7-speed shiftable automatic AWD
flat lead hvy 25 25 25 25 75 5.7  
2006 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
hills light light 0 0 46 54 65 5.1  
2005 4dr SUV 288-horsepower 5.0L V8
5-speed shiftable automatic AWD w/low range
flat med hvy 0 47 47 5 80 5.4  
2005 4dr SUV 232-horsepower 3.7L V6
5-speed shiftable automatic AWD w/low range
flat light none 5 20 25 50 70 6.6  
2004 4dr SUV 232-horsepower 3.7L V6
5-speed shiftable automatic AWD w/low range
flat light none 0 0 60 40 67 5.5  
2003 4dr SUV 288-horsepower 5.0L V8
5-speed shiftable automatic AWD w/low range
flat med hvy 5 5 25 65 80 5.7  
2003 4dr SUV 215-horsepower 3.2L V6
5-speed shiftable automatic AWD w/low range
mtns light light 0 0 20 80 65 6.3  
2002 4dr SUV 342-horsepower 5.4L V8
5-speed shiftable automatic AWD w/low range
flat med none 1 48 8 44 90 19.5  
2002 4dr SUV 288-horsepower 5.0L V8
5-speed shiftable automatic AWD w/low range
flat med light 8 50 20 23 88 20.7  
2002 4dr SUV 215-horsepower 3.2L V6
5-speed shiftable automatic AWD w/low range
flat med hvy 15 25 35 25 70 6.3  
2000 4dr SUV 268-horsepower 4.3L V8
5-speed shiftable automatic AWD w/low range
flat light none 0 0 20 80 100 20.1  
2000 4dr SUV 215-horsepower 3.2L V6
5-speed shiftable automatic AWD w/low range
flat med none 0 0 10 90 65 4.7  

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Mercedes-Benz GLK g/100m

Mercedes-Benz GLK Mercedes-Benz GLK 2013 2.9 MPG Highway Percentage 40 percent Mercedes-Benz GLK Mercedes-Benz GLK 2013 15.1 MPG Highway Percentage 95 percent Mercedes-Benz GLK Mercedes-Benz GLK 2013 4.4 MPG Highway Percentage 0 percent Mercedes-Benz GLK Mercedes-Benz GLK 2011 10.4 MPG Highway Percentage 83 percent Mercedes-Benz GLK Mercedes-Benz GLK 2010 4.7 MPG Highway Percentage 24 percent Mercedes-Benz GLK Mercedes-Benz GLK 2010 18.9 MPG Highway Percentage 48 percent
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 g/100m
2013 4dr SUV turbocharged 200hp 2.1L I4 Diesel
7-speed shiftable automatic AWD
flat med hvy 0 7 53 40 73 2.9  
2013 4dr SUV turbocharged 168hp 2.1L I4 Diesel
7-speed shiftable automatic AWD
flat med hvy 0 0 5 95 110 15.1  
2013 4dr SUV 302-horsepower 3.5L V6
7-speed shiftable automatic RWD
flat v.lt hvy 0 0 100 0 0 4.4  
2011 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
hills med none 0 9 9 83 84 10.4  
2010 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic RWD
flat light light 8 23 45 24 66 4.7  
2010 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
flat light light 11 17 24 48 93 18.9  

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This page shows only averages. See all the Mercedes-Benz GLK fuel economy data.

Mercedes-Benz M-Class vs. Mercedes-Benz GLK Fuel Economy (g/100m)

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 M-Class and Mercedes-Benz GLK's where a car was driven. So you can get an idea of their real-world g/100m based on how and where you drive a car.

See TrueDelta's information for all SUVs
See TrueDelta's information for all Mercedes-Benz models.

What Our Members Are Saying about the Real Gas Mileage of the Mercedes-Benz M-Class

Mercedes-Benz M-Class Real Gas Mileage: Pros
YearBody/PowertrainComment
2013 4dr SUV turbocharged 240hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
Upper 20's on highway and mid-20's in suburbia from a vehicle that weighs 5K lbs. see full Mercedes-Benz M-Class review
2009 4dr SUV turbocharged 210hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
Other luxury cars/SUVs require premium gas. Diesel could be same or even cheaper than regular gas and with immense torque and a somewhat light foot I get almost 25Mpg see full Mercedes-Benz M-Class review
2007 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
5000 lbs vehicle. Gets 32 mpg on highway up to 75 mph, faster than that mpg drops. 23 to 24 mpg around town see full Mercedes-Benz M-Class review
Mercedes-Benz M-Class Real Gas Mileage: Cons
YearBody/PowertrainComment
2007 4dr SUV 302-horsepower 5.0L V8
7-speed shiftable automatic AWD
Have a V8, so I should have expected, but mpg is averaging about 16 around town. With the current gas prices, I dread going to the pump. $90 to fill up the huge tank. see full Mercedes-Benz M-Class review
 

What Our Members Are Saying about the Real Gas Mileage of the 2001 Mercedes-Benz GLK

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