Mercedes-Benz SL63 AMG

The new Mercedes-Benz SL 63 AMG roadster made its first appearance this morning when F1 drivers Michael Schumacher and Nico Rosberg presented the car at the German team's official Formula One test in Barcelona, Spain, ahead of its world premiere at the 2012 Geneva Motor Show in early March. At the heart of the high-performance version of the new SL is AMG's new M157 engine,