Lewis Hamilton ( 1 : 23.952 ) ensured Mercedes was well represented .
Lewis Hamilton joined Jenson Button ( 1 : 25.030 ) to see the four fastest times of the day were set by Mercedes - powered cars .
Lewis Hamilton ( 1 : 23.952 ) ensured Mercedes was well represented and he joined Jenson Button ( 1 : 25.030 ) to see the four fastest times of the day were set by Mercedes - powered cars .