F1: Rosberg says he won't give secrets away

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Nico Rosberg sees nothing wrong in him and Mercedes Formula 1 teammate Lewis Hamilton keeping information back from each other, despite their bosses' concerns about a lack of transparency.

"It is all open," said the German, who leads the drivers' championship by 29 points from Hamilton. "The data, everything, is open. It is just sometimes you are not going to put it on the table and say: 'Look, here is what I have done.' If I find a little bit of an advantage somewhere then I am not going to tell everybody about it; I will keep it to myself. There are little bits and pieces."

Despite some flashpoints off track this year especially at the Spanish and Monaco Grands Prix, Rosberg and Hamilton's rivalry has not boiled over in to an on-track clash yet. Rosberg is adamant that the pair have a good enough understanding of what the team wants from them for matters not to get out of control.

"In the background we are racing for the Silver Arrows and everything is free, because as a team we need to be strong," he said. "We are strongest when we work together and we do work together. And it will continue to be like that.

"But at the same time, we are fighting each other so when we can get a bit of an advantage over the other we will take it."