The 2001 Mercedes-Benz S-Class is available as a 4-door, 5-seat sedan. Starting at $78,950, the 2001 Mercedes-Benz S-Class S 500 is powered by a 5.0L, 8-cylinder engine mated to anautomatic transmission that returns an EPA estimated 16-mpg in the city and 23-mpg on the highway. The top of the line 2001 Mercedes-Benz S-Class S 55 AMG, priced at $98,000, is powered by a 5.4L, 8-cylinder engine mated to anautomatic transmission that returns an EPA estimated 16-mpg in the city and 22-mpg on the highway.