 In China , Webber 's engine failed on the home straight during the final practice session leaving him with a ten @-@ place grid penalty . During qualifying on Saturday afternoon , he ended in 6th after Heidfeld was demoted for impeding Webber 's team @-@ mate Coulthard , and so Webber had to start from 16th after his penalty . Webber was on the grid in 16th and managed to end the first lap up four places in 12th before taking the 11th position off Glock on the second lap . By the first pit stop , Webber had overtaken Rubens Barrichello and Piquet Jr. for 9th place , but inevitably dropped back once he had entered the pits . The two @-@ stop strategy that the team had adopted was not successful and Webber finished in 14th place . The Brazilian Grand Prix was team @-@ mate Coulthard 's last race before his retirement from F1 . Practice was close with the leading seven cars , including Webber in 7th , being less than a second apart . In Saturday afternoon qualifying , Webber managed 10th on the grid , and finished the race in 9th position . 
