The 2018 Mercedes-Benz AMG GLC 43 is available as a 4-door, 5-seat sport utility. Starting at $56,250, the 2018 Mercedes-Benz AMG GLC 43 AMG GLC 43 AWD is powered by a 3.0L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 24-mpg on the highway. The top of the line 2018Mercedes-BenzAMG GLC 43AMG GLC 43 Coupe AWD , priced at $ 60,400 , is powered by a 3.0L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 24-mpg on the highway.