Jenson Button dominates season-opening German Grand Prix for McLaren . 2009 world champion Sebastian Vettel claims his third Melbourne victory in four years . Defending world champion Sebastian Vettel is third with Sebastian Vettel third . Local favorite Mark Webber and Ferrari 's Fernando Alonso complete the top four .
Jenson Button dominates season-opening Australian Grand Prix for McLaren . 2009 world champion Button claims his third Melbourne victory in four years . Defending world champion Sebastian Vettel is second with Lewis Hamilton third . Local favorite Mark Webber and Ferrari 's Fernando Alonso complete the top five .