The 2008 Mercedes-Benz S-Class is available as a 4-door, 5-seat sedan. Starting at $127,000, the 2008 Mercedes-Benz S-Class S 63 AMG RWD Sedan is powered by a 6.2L, 8-cylinder engine mated to anautomatic transmission that returns an EPA estimated 11-mpg in the city and 17-mpg on the highway. The top of the line 2008 Mercedes-Benz S-Class S 550 AWD 4MATIC Sedan, priced at $89,700, is powered by a 5.5L, 8-cylinder engine mated to anautomatic transmission that returns an EPA estimated 14-mpg in the city and 20-mpg on the highway.