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|2012||2012 4dr SUV turbocharged 240hp 3.0L V6 Diesel 7-sp shiftable automatic AWD||29||
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|With the turbocharged 255hp 3.0L V6 Diesel engine, 9-speed shiftable automatic transmission, and all-wheel drive, the 2012 Mercedes-Benz M-Class has been averaging 29 MPG (miles per gallon).
The 2012 Mercedes-Benz M-Classes in this analysis were driven mostly on the highway at an average speed of 64 miles per hour (about 80.2 percent of the miles driven). The rest of the miles were in the city (4.8 percent), in the suburbs (0 percent), and in heavy traffic (0 percent).
In addition, the average 2012 Mercedes-Benz M-Class in this analysis was driven on hilly terrain with a light foot and the AC not used at all.