# Motorsport: Mercedes’ driver Lewis Hamilton says they cannot be certain yet how the car that has been unpredictable all season will fare at the Las Vegas Grand Prix this weekend. The Silver Arrows have two races left to avoid their first winless campaign since 2011, but their biggest priority is securing second place in the Constructors’ Championship, in which they hold a 20-point lead over Ferrari. Hamilton says they have a lot of work to do to ensure they have a world championship-winning car next year:
Motorsport: Lewis Hamilton unsure how the car will perform in Las Vegas [SOUND]
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