Lewis Hamilton says it was "very cool" to win the inaugural Russian Grand Prix, a result that extends his championship lead to 17 points with three races remaining.

Hamilton dominated the event at Sochi, and while Rosberg did take the lead at the start, he locked up heavily and then had to pit after flat-spotting his tyres.

It left Hamilton out front and while Valtteri Bottas was always there in the early stages, the Briton was never threatened and swept through to take an easy win - his ninth of the season, with Rosberg recovering to second. The one-two also allowed Mercedes to clinch the Constructors' Championship, the significance of which wasn't lost to Hamilton.

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"It was a good day and an amazing weekend. Firstly I am just so proud to have contributed with this great team to get the first Constructors' Championship for Mercedes-Benz. I could only have dreamed of that when I joined this team," Hamilton said. "A great day for that and a huge congratulations to all the guys that are here and back at home in the UK and also in Germany. It is history for us and I feel very proud to be a part of it."

"Once I was in the lead today, I just really had to control things - look after the tyres and manage the fuel, which was quite straight forward," he added.

"Towards the end of the race the car felt great and I could push or not push. I didn't really have to push much - and even when I had to pick up the pace a little bit when I eventually found that Nico was behind, it was easy to match the times.

"The car has been amazing this weekend and I really, really enjoyed the track. Russia has been one of my favourite places so far this year. It is very cool to have won the first race here."

Hamilton was presented with the winners' trophy by the Russian president Vladimir Putin and he conceded that was a "surreal" moment.

"I was in awe really. It was surreal for the President to be presenting the award. That was a great experience," he confirmed.

"The crowd has been amazing this weekend [too]," he continued. "I didn't know that Formula 1 was something that people followed here in Russia. I didn't know that there was a real love for it. Seeing people turn out in there thousands yesterday and the grandstands full again today and it looks like they are really enthusiastic and excited.

"On top of that they did an amazing job with the track and the layout and the surface for the actual event. You would have thought they had hosted this event many, many times. I take my hat off to them.

"I am really looking forward to coming here many, many more times."