Championship leader Nico Rosberg has recorded fastest ever lap-time during practice session at the Red Bull Ring on Friday morning for Mercedes.
The German made comfortably posted a fastest lap time of 1:07.373 ahead of teammate and main title rival Lewis Hamilton, while the Ferrari duo of Sebastian Vettel and Kimi Raikkonen were third and fourth respectively.
Daniel Ricciardo was fifth in the Red Bull, but teammate Max Verstappen was further down the leader-board in eighth position.
McLaren pair Jenson Button and Fernando Alonso were 13th and 14th respectively, while Great Britain’s Jolyon Palmer was in 17th spot in the Renault.
The opening session witnessed many drivers struggling with grip level on the newly-resurfaced Red Bull Ring, which is also sporting a number of new kerbs and a revised pit entry for the weekend.