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, which is used on a variety of other Mercedes models such as the CLS 63 AMG sports saloon and the ML 63 AMG SUV.
The 5.5-liter twin-turbocharged V8 unit is good for 529bhp and 590 lb-ft of torque, propelling the hardtop roadster from standstill to 60mph (96km/h) in 4.2 seconds en route to an electronically governed top speed of 155mph (250km/h).
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