Nico Rosberg kept Mercedes on top during the third free practice session of the 2012 Bahrain Grand Prix, beating both Sebastian Vettel and Mark Webber in the Red Bull, who were 2nd and 3rd respectively.
The McLaren duo took 4th and 6th, sandwiching 7 time world champion Michael Schumacher in the second Mercedes. McLaren has been struggling for pace throughout the weekend.
Kimi Raikkonen ended his session in 7th, ahead of Toro Rosso driver Daniel Ricciardo, and teammate Romain Grosjean.
Fernando Alonso wrapped up the top 10 in what was a windy and dusty session.
Qualifying kicks off at 14:00 (Beirut time)
Pos Driver Team/Car Time Gap 1. Nico Rosberg Mercedes 1m33.254s 2. Sebastian Vettel Red Bull-Renault 1m33.401s + 0.147s 3. Mark Webber Red Bull-Renault 1m33.663s + 0.409s 4. Lewis Hamilton McLaren-Mercedes 1m33.782s + 0.528s 5. Michael Schumacher Mercedes 1m33.796s + 0.542s 6. Jenson Button McLaren-Mercedes 1m33.899s + 0.645s 7. Kimi Raikkonen Lotus-Renault 1m33.976s + 0.722s 8. Daniel Ricciardo Toro Rosso-Ferrari 1m34.197s + 0.943s 9. Romain Grosjean Lotus-Renault 1m34.401s + 1.147s 10. Fernando Alonso Ferrari 1m34.895s + 1.641s 11. Pastor Maldonado Williams-Renault 1m34.918s + 1.664s 12. Jean-Eric Vergne Toro Rosso-Ferrari 1m34.977s + 1.723s 13. Sergio Perez Sauber-Ferrari 1m35.067s + 1.813s 14. Kamui Kobayashi Sauber-Ferrari 1m35.128s + 1.874s 15. Paul di Resta Force India-Mercedes 1m35.336s + 2.082s 16. Felipe Massa Ferrari 1m35.536s + 2.282s 17. Bruno Senna Williams-Renault 1m35.623s + 2.369s 18. Heikki Kovalainen Caterham-Renault 1m35.694s + 2.440s 19. Nico Hulkenberg Force India-Mercedes 1m35.773s + 2.519s 20. Vitaly Petrov Caterham-Renault 1m36.532s + 3.278s 21. Charles Pic Marussia-Cosworth 1m37.267s + 4.013s 22. Timo Glock Marussia-Cosworth 1m37.654s + 4.400s 23. Pedro de la Rosa HRT-Cosworth 1m38.973s + 5.719s 24. Narain Karthikeyan HRT-Cosworth 1m39.221s + 5.967s