The 2014 Mercedes-Benz SLS AMG Black Series is available as a 2-door, 2-seat coupe. Starting at $275,000, the 2014 Mercedes-Benz SLS AMG Black Series SLS AMG Black Series Coupe is powered by a 6.2L, 8-cylinder engine mated to an automatic transmission that returns an EPA estimated 13-mpg in the city and 17-mpg on the highway.