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Mercedes-Benz GL Fuel Economy (km/L)

km/L Number of Vehicles
6 kilometers per liter 1 vehicles
7 kilometers per liter 0 vehicles
8 kilometers per liter 0 vehicles
9 kilometers per liter 0 vehicles
10 kilometers per liter 0 vehicles
11 kilometers per liter 2 vehicles
12 kilometers per liter 0 vehicles
13 kilometers per liter 0 vehicles
14 kilometers per liter 0 vehicles
15 kilometers per liter 0 vehicles
16 kilometers per liter 0 vehicles
17 kilometers per liter 0 vehicles
18 kilometers per liter 0 vehicles
19 kilometers per liter 0 vehicles
20 kilometers per liter 0 vehicles
21 kilometers per liter 0 vehicles
22 kilometers per liter 0 vehicles
23 kilometers per liter 0 vehicles
24 kilometers per liter 0 vehicles
25 kilometers per liter 0 vehicles
26 kilometers per liter 0 vehicles
27 kilometers per liter 0 vehicles
28 kilometers per liter 0 vehicles
29 kilometers per liter 0 vehicles
30 kilometers per liter 0 vehicles
31 kilometers per liter 0 vehicles
32 kilometers per liter 0 vehicles
33 kilometers per liter 0 vehicles
34 kilometers per liter 0 vehicles
35 kilometers per liter 3 vehicles
36 kilometers per liter 0 vehicles
37 kilometers per liter 1 vehicles
38 kilometers per liter 1 vehicles
39 kilometers per liter 1 vehicles
40 kilometers per liter 1 vehicles
41 kilometers per liter 2 vehicles
42 kilometers per liter 6 vehicles
43 kilometers per liter 0 vehicles
44 kilometers per liter 0 vehicles
45 kilometers per liter 3 vehicles
46 kilometers per liter 0 vehicles
47 kilometers per liter 1 vehicles
48 kilometers per liter 2 vehicles
49 kilometers per liter 2 vehicles
50 kilometers per liter 0 vehicles
51 kilometers per liter 1 vehicles
52 kilometers per liter 4 vehicles
53 kilometers per liter 3 vehicles
54 kilometers per liter 1 vehicles
55 kilometers per liter 0 vehicles
56 kilometers per liter 1 vehicles
57 kilometers per liter 1 vehicles
58 kilometers per liter 0 vehicles
59 kilometers per liter 0 vehicles
60 kilometers per liter 0 vehicles
61 kilometers per liter 5 vehicles
62 kilometers per liter 2 vehicles
63 kilometers per liter 1 vehicles
64 kilometers per liter 2 vehicles
65 kilometers per liter 1 vehicles
Model Year Body/Powertrain km/L  
2014 2014 4dr SUV turbocharged 240hp 3.0L V6 Diesel 7-sp shiftable automatic AWD 64.3
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With the turbocharged 190kW 3.0L V6 Diesel engine, 9-speed shiftable automatic transmission, and all-wheel drive, the 2014 Mercedes-Benz GL has been averaging 64.3 L/100km (liters per 100 kilometers).

The 2014 Mercedes-Benz GLs in this analysis were driven mostly on the highway at an average speed of 65 kilometers per hour (about 80 percent of the kilometers driven). The rest of the kilometers were in the city (4 percent), in heavy traffic (1 percent), and in the suburbs (0 percent).

In addition, the average 2014 Mercedes-Benz GL in this analysis was driven on flat terrain with a light foot and the AC on only some of the time.
2011 2011 4dr SUV 382-hp 5.5L V8 7-sp shiftable automatic AWD 35.3
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2010 2010 4dr SUV turbocharged 240hp 3.0L V6 Diesel 7-sp shiftable automatic AWD 56.53
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2009 2009 4dr SUV turbocharged 240hp 3.0L V6 Diesel 7-sp shiftable automatic AWD 53
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2009 2009 4dr SUV 335-hp 4.7L V8 7-sp shiftable automatic AWD 42.3
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2008 2008 4dr SUV turbocharged 240hp 3.0L V6 Diesel 7-sp shiftable automatic AWD 47.17
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2008 2008 4dr SUV 335-hp 4.7L V8 7-sp shiftable automatic AWD w/low range 39.95
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2008 2008 4dr SUV 335-hp 4.7L V8 7-sp shiftable automatic AWD 26.59
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2007 2007 4dr SUV turbocharged 240hp 3.0L V6 Diesel 7-sp shiftable automatic AWD 59.52
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2007 2007 4dr SUV 335-hp 4.7L V8 7-sp shiftable automatic AWD w/low range 37.65
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2007 2007 4dr SUV 335-hp 4.7L V8 7-sp shiftable automatic AWD 40.81
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TrueDelta Reviews the Real Gas Mileage of the Mercedes-Benz GL

Mercedes-Benz GL Real Gas Mileage: Pros
YearComment
2013 In the EPA's fuel economy tests the Mercedes-Benz GL350 BlueTEC rates 19 mpg city and 26 mpg highway. We observed low 20s in casual suburban driving (a few mpg lower with a heavy foot, a few mpg higher with a very light one) and 25.5 on our trip to Chicago and back (which included some heavy urban driving and 70-mph highways). These numbers don't seem so great, given that the GL350 burns diesel? Consider that the GL-Class is not only wide and tall but also very heavy, at nearly 5,500 pounds unloaded. The gas-powered GL450 is rated 14/19. Our family vehicle, a Ford Taurus X that weighs over 1,000 pounds less than the Mercedes, struggles to crack 22 on the highway. The Audi Q7 rates the same in city driving, and a couple mpg better on the highway. Since the GL350 is almost in another class size-wise, I'm calling this one a draw. Multiply this fuel economy by a 26.4-gallon tank, and the GL350 can go quite far between $100+ fill-ups. Is it really possible to drive the nearly 300 miles to Chicago--and then back--on one tank? Yes it is, with nearly a quarter-tank to spare. (Is it possible to do this without any of three kids needing to stop for a bathroom break? To our even greater surprise, yes to this as well. They were busy watching the $1,950 dual-screen entertainment system.) see full Mercedes-Benz GL review
 

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

Mercedes-Benz GL Real Gas Mileage: Pros
YearBody/PowertrainComment
2010 4dr SUV turbocharged 210hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 For a large, seven passenger SUV it can deliver upwards of 28 mpg on the highway. see full Mercedes-Benz GL review
2008 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 25 mpg highway fuel efficiency for a large 7 passenger SUV is fantastic see full Mercedes-Benz GL review
2008 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 Diesel provides 25 MPG on the highway see full Mercedes-Benz GL review
Mercedes-Benz GL Real Gas Mileage: Cons
YearBody/PowertrainComment
2010 4dr SUV 335-horsepower 4.7L V8
7-speed shiftable automatic AWD		 15 mpg average. premium fuel. see full Mercedes-Benz GL review
 

Mercedes-Benz GL Gas Mileage (km/L)

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 GL's real-world km/L based on how and where you drive a car.