Money 2023 Mercedes GLC 300 is the best gasoline-powered compact luxury SUV June 1, 2023Mark Phelan, Detroit Free PressComments Off on 2023 Mercedes GLC 300 is the best gasoline-powered compact luxury SUV The GLC is the best-selling Mercedes in the United States. should continue that, and turn up the heat for competitors from Audi, BMW, Lexus and Caddy.