In an automotive world dominated by SUVs, it's refreshing to see the coupe is still alive. Mercedes insists there's a place in this world for its Porsche 911 rival, one that will more or less be an SL with a fixed metal roof. The two models have been developed together by AMG and while the convertible with a fabric top is out and about, the coupe has yet to be revealed. Ahead of its official debut, an interesting prototype has been spotted.
