F1 testing: Mercedes set fastest time as McLaren improve
Mercedes underlined their status as favourites on day two of the final pre-season test, as McLaren-Honda had their best day of the winter so far.
Jenson Button completed 100 laps in the McLaren - half what the team had managed in nine previous testing days combined - and was fifth fastest, 2.798 seconds slower than Mercedes' Nico Rosberg.
The 2015 Force India car also appeared for the first time, Nico Hulkenberg completing an impressive 77 laps after it started running shortly before lunchtime and ending the day with ninth fastest time.
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