F1: Mercedes dominance resumes in China as teammate war re-ignites

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Lewis Hamilton and Mercedes reasserted their authority over Formula 1 with a commanding Chinese Grand Prix victory. Nico Rosberg had to settle for second place, ahead of the Ferraris of Sebastian Vettel and Kimi Raikkonen, in a race that was close at times without ever truly coming to life.

Hamilton had made his intentions clear by angling his car very aggressively toward Rosberg's on the grid. He duly held his lead off the line, with Rosberg and Vettel stringing out behind the champion through the first stint.

The situation became more tense in the middle stint of the two-stop race, as both Rosberg and Vettel closed on Hamilton. A frustrated Rosberg radioed Mercedes asking if Hamilton could speed up, as his tires were wearing too much whenever he got closer than two seconds away from his teammate's rear wing.

When Ferrari brought Vettel in for his second stop ahead of the two Mercedes, Rosberg was pitted a lap later in an effort to prevent his countryman getting an undercut on his new tires.

But rather than his rivals' earlier stops putting Hamilton at a disadvantage, he was able to raise his pace considerably on his final laps on soft tires. Hamilton ran two laps longer than Rosberg and rejoined with a 6s cushion rather than the 2sec advantage he had held prior to the stops.

Rosberg reduced Hamilton's lead slightly before settling for second.

• Rosberg slams Hamilton's tactics

A safety car appearance with two laps to go – caused by Max Verstappen's Toro Rosso parking on the pit straight in a cloud of smoke – made things even more comfortable for Hamilton, as the race finished under yellow.

Vettel was not a match for the Mercedes once all were onto medium tires and fell away in third. The Malaysian GP winner then came under late pressure from teammate Kimi Raikkonen.

The Finn quickly cleared both Williams on the opening lap to make up for his qualifying frustration, and though he could not keep pace with the top three at first, he ran long in his middle stint and made up ground. Raikkonen was still 1.4s behind Vettel when the late safety car came out and had to be content with fourth.

Williams ran a lonely and distant fifth and sixth with Felipe Massa and Valtteri Bottas, a minute behind the leaders prior to the field being bunched up.

Lotus scored its first points of the year with Romain Grosjean in seventh, but it was a wild race for his teammate Pastor Maldonado. The Venezuelan got ahead of Grosjean in the first pit stop sequence, before going down the pitlane entry escape road at his second stop. A spin while trying to recover left him even further behind, and he then became embroiled in a spectacular battle with the McLarens of Jenson Button and Fernando Alonso.

Until his late engine failure, Verstappen was on course for eighth, having sliced through the field with some very accomplished overtaking. But his problem completed a terrible day for Renault and the Red Bull-owned teams.

Daniel Ricciardo had tumbled to 17th with a terrible start and made heavy weather of coming back through the field to ninth between the Saubers of Felipe Nasr and Marcus Ericsson, which scored again.

Daniil Kvyat was also out early with a suspected engine failure, while Carlos Sainz Jr. spun at Turn 1 in the opening laps and later lost time with a gearbox problem before finishing between the McLarens and Manors in 14th.

Force India spent a while in the points as a unique three-stop strategy for Sergio Perez shook out, but in the end 11th was his limit. A gearbox failure ended teammate Nico Hulkenberg's race.

RESULTS - 56 LAPS:

DRIVERS' CHAMPIONSHIP:

CONSTRUCTORS' CHAMPIONSHIP:

Originally on Autosport.com