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"The 2013 Mercedes-Benz SL63 AMG roadster has been caught almost entirely without disguise and only a few weeks before its official introduction at the Geneva Auto Show. A thin layer of film on the front half and upper rear of this silver test car is all that separates us from the SL63 AMG. As you can spot in the photos, this high-performance 2-passenger roadster includes tasteful touches, like a quad exhaust and larger wheels\u2014which look very staggered in size on this particular example. The front air intakes are also bigger than on the standard SL.        2013 Mercedes-Benz SL63 AMG    More Power and Less Weight   Mercedes introduced the sixth-generation SL at this year&amp;#039;s Detroit Auto Show. The new model&amp;#039;s more upright grille is the design feature you&amp;#039;ll notice first. Yet from behind the wheel, it will be the SL&amp;#039;s new aluminum chassis that you&amp;#039;ll appreciate most. This new platform is roughly 300 lb. lighter than if it had been made of steel. Nestled in this new chassis is a twin-turbocharged 536-bhp 5.5-liter V-8 engine. Future performance variants are certain to bump that horsepower figure even higher.        2013 Mercedes-Benz SL63 AMG    The twin-turbocharged 4.7-liter V-8 and 7-speed automatic transmission found in the new SL550 help propel it to 60 mph in only 4.5 seconds. Based on that figure, we&amp;#039;d expect this new SL63 AMG to hit 60 in about 4 seconds flat. Top speed will be revealed later, but we&amp;#039;re sure it will be higher than the limited 130-mph speed ceiling of the SL550.        2013 Mercedes-Benz SL63 AMG    We expect to learn the full specifications and pricing of the 2013 Mercedes-Benz SL63 AMG at Geneva on March 6. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.roadandtrack.com/new-cars/future-cars/news/a17952/caught-testing-2013-mercedes-benz-sl63-amg/>