The Mercedes-Benz SL Special Edition “Mille Miglia 417″ options are to become available for order on April 7. Posted on February 20, 2015 by admin ThisismotionTV ThisismotionTV ThisismotionTV ThisismotionTV ThisismotionTV The Mercedes-Benz SL Special Edition “Mille Miglia 417″ options are to become available for order on April 7.