Nico Rosberg is not complaining about the tyres.
http://www.autosport.com/news/report.php/id/99247 Nico Rosberg believes that the challenges being thrown at drivers by the current Formula 1 tyre situation is good news for the sport.
The closeness of the field this year has increased the influence of the Pirelli rubber on cars' overall performance. This has resulted in teams' form fluctuating as they work to get the rubber into the right operating window for their cars.
The four grands prix so far in 2012 have provided victories for McLaren, Ferrari, Mercedes and Red Bull, with no team having looked like repeating its success at any other circuit, such has been the vast difference in track conditions at each race.
When asked by AUTOSPORT whether races were becoming too much of a tyre-based lottery based on what has been seen so far this year, Mercedes driver Rosberg said: "No. It's just a very different game.