Hamilton’s lead in the individual standings is currently 66 points, which means that if he finishes fifth or better, there is nothing Vettel can do to stop him winning the title.
But it has not been plan sailing so far this weekend for Hamilton, who could only managed the third-fastest lap in qualifying and will start behind his Ferrari rival and Red Bull’s Max Verstappen.
However, the Brit has been keen to take the pressure out of the situation and claims he doesn’t care when he wins the title – as long as he does.
Can he seal it in Mexico City today and ensure that whispers of “choking” don’t start to overshadow the end of his season? Express Sport will bring you every lock-up, every overtake and every angry radio message over the next couple of hours.
- Hamilton starts on 331 points, Vettel on 265
- Grid: 1st Vettel, 2nd Verstappen, 3rd Hamilton, 4th Bottas, 5th Raikkonen, 6th Ocon, 7th Hulkenberg, 8th Sainz.
Mexican Grand Prix 2017 LIVE – Latest updates from Mexico City
6.30pm: Mercedes boss Toto Wolff has been looking back though, talking about a transformative winter for Hamilton.

vCard.red is a free platform for creating a mobile-friendly digital business cards. You can easily create a vCard and generate a QR code for it, allowing others to scan and save your contact details instantly.
The platform allows you to display contact information, social media links, services, and products all in one shareable link. Optional features include appointment scheduling, WhatsApp-based storefronts, media galleries, and custom design options.
He points to a meeting between himself and Lewis over the off-season that helped the Brit put defeat to Nico Rosberg behind him.
We met in Oxford in my house and had a chat,” Wolff says.
“Everything was put on the table, all the frustrations that had built up over the years and all the good things.
“We found agreement over most things and it was a really good clear-the-air talk.”
6.15pm: Hamilton has been getting thrown in with Ayrton Senna and Michael Schumacher lately as he is due to joint third on the all-time list of world champions.
But the Brit is not to look back and instead look forward – and to future challenges in F1.
“I may have to stay around a little bit to give you [Hamilton vs Verstappen],” Hamilton tells Sky Sports ahead of the Mexican Grand Prix.
“I look forward to having more battles with him.”
6pm: Welcome to Autodromo Hermanos Rodríguez! We are more than 6,000 feet above sea level but Lewis Hamilton will be over the moon – and maybe further – if he can drive his way to a fourth world title today.
This is Hamilton’s 206th consecutive Grand Prix start, which equals Nico Rosberg’s record – and when the German reached that number, of course he too won the world title. Coincidence? Definitely. Pointless information? Maybe. Top stat-age? Very much so.