2017 Mercedes-Benz SLC SLC 300 RWD 9-Speed Automatic 2.0L Turbocharged 152 Point Safety Inspection!!. 25/32 City/Highway MPG Price does not include Dealer Added Accessories. Some vehicles may have added markup. Freight cost not included. Call dealer for details. Reviews: * Both engines boast impressive horsepower and torque ratings; cabin materials look and feel expensive; trunk is relatively large, considering the folding hardtop; distinctive glass roof panel. Source: Edmunds