Mark Webber led Sebastian Vettel as Red Bull pulled off a 1-2 in the Brazilian Grand Prix on Sunday — and McLaren's Jenson Button took third place to seal the second spot drivers' championship which was wide open going into the last race of the year.

Webber, Button and Ferrari's Fernando Alonso were in with a chance of taking second place after Vettel had sealed the championship earlier.

Webber, second on the starting grid, passed World champion Sebastian Vettel for the lead after 30 of the 71 laps when his teammate was apparently wrestling with a gearbox problem.

Ferrari duo of Alonso and Felipe Massa finished fourth and fifth.

Force India impresses

Adrian Sutil was a creditable sixth for Force India, and Sutil's teammate, Paul di Resta, took the eighth spot.

Japan's Kamui Kobayashi and Russian Vitaly Petrov filled the last two scoring positions for Sauber and Renault respectively.

The results (top 10):

1. Mark Webber (Red Bull) 1h32:17.464, 2. Sebastian Vettel (Red Bull) +16.9, 3. Jenson Button (McLaren) +27.6, 4. Fernando Alonso (Ferrari) +35, 5. Felipe Massa (Ferrari) +1:06.7, 6. Adrian Sutil (Force India) +1 lap, 7. Nico Rosberg (Mercedes) +1 lap, 8. Paul di Resta (Force India) +1 lap, 9. Kamui Kobayashi (Sauber) +1 lap and 10. Vitaly Petrov (Renault) +1 lap.

Final standings: Drivers: 1. Vettel (392 points), 2. Button (270), 3. Webber (258), 4. Alonso (257), 5. Lewis Hamilton (227), 6. Massa (118), 7. Rosberg (89), 8. Michael Schumacher (76), 9. Sutil (42), 10. Petrov (37), 11. Nick Heidfeld (34), 12. Kobayashi (30), 13. di Resta (27), 14. Jaime Alguersuari (26), 15. Sebastien Buemi (15), 16. Sergio Perez (14), 17. Rubens Barrichello (4), 18. Bruno Senna (2) and 19. Pastor Maldonado (1).

Constructors: 1. Red Bull 650, 2. McLaren 497, 3. Ferrari 375, 4. Mercedes 165, 5. Renault 73, 6. Force India 69, 7. Sauber 44, 8. Toro Rosso 41 and 9. Williams 5 . — Agencies

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