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|2014||2014 4dr SUV turbocharged 240hp 3.0L V6 Diesel 7-sp shiftable automatic AWD||27.32||
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|With the turbocharged 255hp 3.0L V6 Diesel engine, 9-speed shiftable automatic transmission, and all-wheel drive, the 2014 Mercedes-Benz GL has been averaging 27.32 MPG (miles per gallon).
The 2014 Mercedes-Benz GLs in this analysis were driven mostly on the highway at an average speed of 65 miles per hour (about 80 percent of the miles driven). The rest of the miles 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.