Lewis Hamilton led the first practice session in Monaco but a shock lap from Max Verstappen at the end of the session put the Toro Rosso driver second.
Nico Rosberg led the final practice session at the Circuit de Catalunya as team mate Lewis Hamilton was delayed by a mid-session spin.
Lewis Hamilton kept Mercedes on top in the second practice session at the Circuit de Catalunya as rising temperatures made it hard for drivers to improve their lap times.
Nico Rosberg led the way during the first practice session for the Spanish Grand Prix but attracted the attention of the stewards as he did.
Lewis Hamilton topped the time sheets in final practice ahead of qualifying for the Bahrain Grand Prix, but Sebastian Vettel’s Ferrari was less than a tenth behind.
Mercedes were back on top in second practice in Bahrain with Nico Rosberg and Lewis Hamilton quickest from Ferrari.
Kimi Raikkonen and Sebastian Vettel set the pace in scorching conditions during the first practice session of the Bahrain Grand Prix weekend.
Lewis Hamilton completed a clean sweep of practice sessions in China, leading a Mercedes one-two in the final hour of running before qualifying.
Lewis Hamilton headed both of Friday’s practice sessions for the Chinese Grand Prix, but Mercedes’ margin was reduced in the afternoon running.
Mercedes responded to their Malaysian Grand Prix defeat by heading the first practice session at Shanghai in emphatic fashion.
The two Mercedes drivers took up their usual places on top of the times sheets as practice ended with a half-second margin over their Ferrari rivals.
Lewis Hamilton overcame a series of problems to lead the second practice session at a searingly hot Sepang International Circuit.
Nico Rosberg led the first practice session for the Malaysian Grand Prix but team mate Lewis Hamilton’s weekend got off to a bad start as he failed to set a time.
Lewis Hamilton led the final practice session for the Australian Grand Prix with almost a full second in hand over team mate Nico Rosberg.
Mercedes remained on top in second practice for the Australian Grand Prix, though not by as much as in the morning session.
Just 16 cars participated in the first practice session of the 2015 season as neither of the Manor or Sauber drivers ventured out of the garage during the opening 90-minute session at Albert Park.