Mercedes GP British driver Lewis Hamilton drives his car during a test session at the Montmelo racetrack near of Barcelona, Spain, Friday, Feb. 22, 2013 . (AP Photo/Manu Fernandez)

 

              Mercedes GP British driver Lewis Hamilton drives his car during a test session at the Montmelo racetrack near of Barcelona, Spain, Friday, Feb. 22, 2013 . (AP Photo/Manu Fernandez)
Mercedes GP British driver Lewis Hamilton drives his car during a test session at the Montmelo racetrack near of Barcelona, Spain, Friday, Feb. 22, 2013 . (AP Photo/Manu Fernandez)
Tags: Mercedes