The 2001 Mercedes-Benz SL-Class is available as a 2-door, 2-seat convertible. Starting at $83,800, the 2001 Mercedes-Benz SL-Class SL 500 is powered by a 5.0L, 8-cylinder engine mated to an automatic 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 SL-Class SL 600, priced at $128,950, is powered by a 6.0L, 12-cylinder engine mated to an automatic transmission that returns an EPA estimated 13-mpg in the city and 19-mpg on the highway.