Mercedes present the F1 W03 in Barcelona

Mercedes officially launched their 2012 car on Tuesday morning as the F1 W03 was unveiled by drivers Nico Rosberg and Michael Schumacher in the Barcelona pit lane, immediately ahead of this week's pre-season test at the Circuit de Catalunya. The new Silver Arrow has undergone an intensive programme of simulation testing at the team's UK technical bases in Brackley and Brixworth. This was followed by a filming day limited to 100 kilometres at Silverstone on February 16