Sri Lanka, Feb. 8 -- Lewis Hamilton the F1 world champion signs new Mercedes contract for 2021 seasonFormula 1 world champion Lewis Hamilton has signed a new one-year contract with Mercedes for the 2021 season.

The 36-year-old's previous deal lapsed in 2020 but he will now race for Mercedes for a ninth season.

Hamilton became the sport's most successful driver ever in 2020, breaking Michael Schumacher's all-time win record and drawing level with the German's seven titles.

Team boss Toto Wolff said no decision had been made on whether Hamilton would race on beyond 2021.

He said he recognised that sportspeople had "shelf lives" but added: "As long as he enjoys racing, I think he is very capable of going longer.

"He develops as a driver...