Nico Rosberg shows off 2012 Mercedes-Benz SLK

The benefits of having an F1 team is that, in the off season at least, you've got some of the world's best professional drivers on call for test driving duties. And promotional detail, too.Specifically, In this case, we're talking about star driver Nico Rosberg and upcoming Mercedes-Benz 2012 SLK. Michael Scheer-Vehicle engineer riding in the new roadster around Monte Carlo shot some footage as