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Mercedes-Benz GLK-Class Fuel Economy (MPG)

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If you are not a TrueDelta member, you can see only five Mercedes-Benz GLK-Class MPG averages for each powertrain. Log in or join us to see them all.
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
2010 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic RWD
hills light light 15 45 0 40 65 17.200
  flat light none 10 5 65 20 65 23.500
  flat light hvy 10 5 65 20 65 24.500
  flat med hvy 5 60 20 15 75 24.000
  flat med hvy 0 0 75 25 60 20.000
2010 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic RWD
flat light light 8 23 45 24 66 21.8  
  Averages flat light light 8 23 45 24 66 21.8
With the 302-horsepower 3.5L V6 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, 2010 Mercedes-Benz GLK-Class fuel economy has been averaging 21.8 MPG (miles per gallon).

The 2010 Mercedes-Benz GLK-Classes in this analysis were driven mostly in the suburbs (about 45 percent of the miles driven). The rest of the miles were on the highway at an average speed of 66 miles per hour (24 percent), in the city (23 percent), and in heavy traffic (8 percent).

In addition the average 2010 Mercedes-Benz GLK-Class in this analysis was driven on flat terrain with a light foot and the AC on only some 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
2010 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
flat light none 0 75 15 10 62 14.600
  flat med none 25 15 40 20 62 14.700
  flat light none 0 25 25 50 74 19.400
  flat med light 15 50 5 30 74 17.300
  flat light none 0 0 0 100 74 25.600
2010 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
flat light none 8 33 17 42 69 18.3  
  Averages flat light none 8 33 17 42 69 18.3
With the 268-horsepower 3.5L V6 engine, 7-speed shiftable automatic transmission, and all-wheel drive, the 2010 Mercedes-Benz GLK-Class has been averaging 18.3 MPG (miles per gallon).

The 2010 Mercedes-Benz GLK-Classes in this analysis were driven mostly on the highway at an average speed of 69 miles per hour (about 42 percent of the miles driven). The rest of the miles were in the city (33 percent), in the suburbs (17 percent), and in heavy traffic (8 percent).

In addition the average 2010 Mercedes-Benz GLK-Class in this analysis was driven on flat terrain with a light foot and the AC not used at all.

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What Our Members Are Saying about the Real Gas Mileage of the 2010 Mercedes-Benz GLK-Class

2010 Mercedes-Benz GLK-Class Real Gas Mileage: Pros
YearBody/PowertrainComment
2011 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
A major disappointment. But, to be fair, I live at the top of a mountain in LA and all of my past cars also had bad mileage. It isn't bad on the highway...I get average of 22 mpg...but pure city driving drags it down to 16-17.
2011 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic RWD
better than expected: 19 suburban, 25 highway
2010 Mercedes-Benz GLK-Class Real Gas Mileage: Cons
YearBody/PowertrainComment
2011 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
If you are looking for a Prius....this isn't your car.
2011 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic RWD
having owned a c280 with 3 liter engine and been very happy with performance plus low 30s highway, mid to high 20s suburban, why not put 3 liter in the glk? while glk is heavier, 3.5 liter penalizes mpg for little better performance. otherwise there is nothing not to like and alot to like about this great vehicle.
2010 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
Performance comes at a price...gas mileage more on the order of a full size SUV. Wish a diesel had been available.
2010 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
sad
 

2010 Mercedes-Benz GLK-Class 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 GLK-Class's real-world MPG based on how and where you drive a car.