Lewis Hamilton beat team-mate Valtteri Bottas to win the Spanish Grand Prix for a third consecutive year on Sunday (Monday NZT), securing a fifth one-two finish for Mercedes to start the Formula One season.
Hamilton's third win of the campaign let him take the championship lead by seven points over Bottas, who had entered the race with a one-point advantage.
Hamilton got the jump on Bottas off the line when Vettel leapt forward and made it three abreast going through the first corner.
Hamilton did likewise to get past pole-sitting Bottas at the first turn to win in China, and Bottas defended his pole position from Hamilton starting second on the grid in his victory at Azerbaijan last round.
Hamilton, who had said that he was "too friendly'' in not challenging Bottas hard enough to the first corner in Baku two weeks ago, showed little mercy once he got in front this time.