The 2020 Mercedes-Benz A-Class is available as a 4-door, 5-seat sedan. Starting at $32,800, the 2020 Mercedes-Benz A-Class A 220 FWD Sedan is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 24-mpg in the city and 35-mpg on the highway. The top of the line 2020 Mercedes-Benz A-Class A 220 AWD 4MATIC Sedan, priced at $34,800, is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 24-mpg in the city and 34-mpg on the highway.