Nico Rosberg sets fastest time in F1 testing near Barcelona . Mercedes driver laps Circuit de Catalunya in one minute 22.792 seconds . With the opening grand prix of the season in just over a fortnight in Australia , Mercedes has laid down the groundwork to repeat its 2014 triumphs where it won 16 of the 19 races . Over 0.7 seconds quicker than the next best by Felipe Massa in Williams . Score: 6
Nico Rosberg sets fastest time in F1 testing near Barcelona . Mercedes driver laps Circuit de Catalunya in one minute 22.792 seconds . Over 0.7 seconds quicker than the next best by Felipe Massa in Williams . Score: 6