The 2018 Mercedes-Benz GLE 350 is available as a 4-door, 5-seat sport utility. Starting at $54,700, the 2018 Mercedes-Benz GLE 350 GLE 350 AWD is powered by a 3.5L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 22-mpg on the highway. The top of the line 2018Mercedes-BenzGLE 350GLE 350 4x2 , priced at $ 52,200 , is powered by a 3.5L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 23-mpg on the highway.