Mercedes-Benz this morning marked two world premieres at the Circuit de Catalunya in Barcelona, with the unveiling of the 2012 Silver Arrow, the MERCEDES AMG PETRONAS F1 W03, and the first public sneak preview of the brand-new Mercedes-Benz SL63 AMG. The new high-performance roadster, which develops 537 PS while delivering weight savings of 125 kg and 30% improved fuel economy, was introduced by Nico Rosberg and Michael Schumacher.

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