Place an order for a SL-Class roadster in North America and your choices come down to the SL550, the SL63 AMG (both with twin-turbo V8s) or the top ... But Mercedes is now replacing that model ...

Prospective buyers will have to settle for being just shy of the 200-mph club, however, as the car's top speed ... that new. Mercedes-AMG originally promised the U.S. market this model by the ...