Chinese GP: Mercedes fastest just like last year

After winning the pole and race last year, Nico Rosberg led teammate Lewis Hamilton in a Mercedes one-two in opening practice for the Chinese Grand Prix in Shanghai.

The Red Bull duo Mark Webber and Sebastian Vettel were a second off the Mercedes' pace in 3rd and 4th.

Mercedes was not only faster on lighter-fuel runs going into the final half-hour of the session, but also had more pace on full fuel load.

Jenson Button ended up sixth for McLaren, between the Ferraris of Fernando Alonso and Massa.

Results

Pos	Driver	Team/Car	Time	Behind	Laps
1.	Nico Rosberg	Mercedes	1m36.717s	+0.000s	21
2.	Lewis Hamilton	Mercedes	1m37.171s	+0.454s	20
3.	Mark Webber	Red Bull-Renault	1m37.658s	+0.941s	21
4.	Sebastian Vettel	Red Bull-Renault	1m37.942s	+1.225s	20
5.	Fernando Alonso	Ferrari	1m37.965s	+1.248s	17
6.	Jenson Button	McLaren-Mercedes	1m38.069s	+1.352s	23
7.	Felipe Massa	Ferrari	1m38.095s	+1.378s	14
8.	Adrian Sutil	Force India-Mercedes	1m38.125s	+1.408s	21
9.	Romain Grosjean	Lotus-Renault	1m38.398s	+1.681s	17
10.	Paul di Resta	Force India-Mercedes	1m38.561s	+1.844s	15
11.	Kimi Raikkonen	Lotus-Renault	1m38.790s	+2.073s	16
12.	Jean-Eric Vergne	Toro Rosso-Ferrari	1m39.057s	+2.340s	19
13.	Pastor Maldonado	Williams-Renault	1m39.158s	+2.441s	22
14.	Nico Hulkenberg	Sauber-Ferrari	1m39.180s	+2.463s	21
15.	Daniel Ricciardo	Toro Rosso-Ferrari	1m39.336s	+2.619s	19
16.	Sergio Perez	McLaren-Mercedes	1m39.360s	+2.643s	20
17.	Valtteri Bottas	Williams-Renault	1m39.392s	+2.675s	20
18.	Esteban Gutierrez	Sauber-Ferrari	1m40.032s	+3.315s	22
19.	Jules Bianchi	Marussia-Cosworth	1m41.966s	+5.249s	16
20.	Max Chilton	Marussia-Cosworth	1m42.056s	+5.339s	17
21.	Giedo van der Garde	Caterham-Renault	1m42.083s	+5.366s	21
22.	Ma Qing Hua	Caterham-Renault	1m43.545s	+6.828s	20