Lewis Hamilton believes McLaren 's KERS will give the team an advantage in 2011 . The British driver has been linked with a move to Mercedes, but says he is happy at McLaren. Jenson Button thinks the device will give the team an edge over their competitors . Lewis Hamilton is confident the return of the kinetic energy recovery system ( KERS ) to McLaren cars for the 2011 Formula One season will give the team a big advantage over their rivals . KERS was banned from F1 in 2009 but will return for new season .
Lewis Hamilton believes McLaren 's KERS will give the team an advantage in 2011 . The British driver has been linked with a move to Mercedes, but says he is happy at McLaren. Jenson Button thinks the device will give the team an edge over their competitors . KERS was banned from F1 in 2009 but will return for new season .