Lewis Hamilton sets the pace in practice ahead of the Australian Grand Prix . The Mercedes driver failed to complete a lap in the morning session . Hamilton 's teammate Nico Rosberg was second fastest in Melbourne . Reigning world champion Sebastian Vettel was beset by problems during testing , with the all-conquering Red Bull team struggling to get the best out of its Renault engine . The first race of the 2014 Formula One season takes place at Melbourne Park on Sunday .
Lewis Hamilton sets the pace in practice ahead of the Australian Grand Prix . The Mercedes driver failed to complete a lap in the morning session . Hamilton 's teammate Nico Rosberg was second fastest in Melbourne . The first race of the 2014 Formula One season takes place at Melbourne Park on Sunday .