Lewis Hamilton has revealed he will only compete in Formula One beyond his 10-month deal with Mercedes if it still puts a smile on his face this season.The reigning world champion signed a short-term deal with Mercedes last month, bringing an end to a long-winded contract saga which dragged on for several months.He was expected to put pen to paper on a multi-year extension with Toto Wolff’s team, nevertheless, meaning doubts have been raised over his long-term future beyond the 2021 season.Hamilton only needs one more world title to surpass Michael Schumacher in the all-time F1 charts, having drawn level with the racing legend by clinching a seventh championship last season.However, the Brit insists he will only continue driving if the.
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