Lewis Hamilton does not expect his new Mercedes contract to be his last in Formula One.The reigning F1 world champion agreed to a three-year contract extension thought to be worth up to £27million a year on Wednesday.
Hamilton’s deal now runs until 2018, when he will be 33. The current oldest drivers in the paddock are Ferrari’s Kimi Raikkonen and McLaren’s Jenson Button, who are both 35. And the Brit said: “That’s  pretty young still. I definitely see me continuing past that.”
The protracted negotiations between Hamilton and Mercedes have been a talking point throughout the first five races of the season, three of which have been won by the former McLaren man. But Hamilton added: “There was never any doubt [about him signing an extension] honestly.
“I was always led to believe the team wanted to continue with me. Naturally, with the success we have had and relationship we have it felt certain.”I took my time, I didn’t feel like I was being challenged elsewhere to find another dri