Michael Schumacher went quickest in a rainy second practice for Sunday's Australian Grand Prix.
The German had finished third in first practice behind both Jenson Button and Lewis Hamilton.
The seven-time champion was followed by fellow German Nico Hulkenberg in second, with Sergio Perez in third.
Red Bull pair Vettel and Webber came in at 10th and 11th, while Button and Hamilton were 15th and 16th.