Nico Rosberg finished Saturday morning practice with the quickest time as Mercedes-AMG PETRONAS dominated again at Sepang. The German driver was quickest during the early stages when teams concentrated on using the Hard Pirelli tyres, and was then able to return to the top when drivers switched to the Medium Pirelli tyres for qualifying simulations late in the session. His Mercedes team-mate Lewis Hamilton was only fourth on the Hard tyres, but jumped up into second place on the Mediums, 0.183s adrift of the time set by Rosberg, with the Briton joining a chorus of drivers complaining about grip levels.  Hamilton's session was also hindered by his brakes, saying they were ‘all over...
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