Lewis Hamilton dominated the 4th race of the campaign to open up his championship defence with a win . Nico Rosberg completed a Mercedes one-two , but the German was no match for his team-mate . Sebastian Vettel secured the final podium spot on his Ferrari debut with Felipe Massa first for Williams . Jenson Button finished 11th and last after nursing his McLaren home ... only 15 cars started in Melbourne .
Lewis Hamilton dominated the first race of the campaign to open up his championship defence with a win . Nico Rosberg completed a Mercedes one-two , but the German was no match for his team-mate . Sebastian Vettel secured the final podium spot on his Ferrari debut with Felipe Massa 4th for Williams . Jenson Button finished 11th and last after nursing his McLaren home ... only 15 cars started in Melbourne .