Lewis Hamilton says Mercedes need to raise their level once again due to the threat of Ferrari and Red Bull if they are to retain their world championships in F1 2018. The Silver Arrows have been the dominant force in F1 the past four seasons and are going for an unprecedented fifth consecutive drivers' and constructors' championship double, while Hamilton can become only the third driver in history to win five titles. Sky F1's Australian GP schedule Set those alarms! When, where and how to follow the first race weekend of 2018 live only on Sky Sports F1 Mercedes were pushed hard by Ferrari for most of last season while Red Bull enjoyed a strong end to 2017 and Hamilton expects an even...
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