World Championship runner-up confident that Merc will begin 2015 where it left off last year.
Early super-soft run means Williams packs up early, with Mercedes content to shield its pace advantage once again.
Last day of Formula One pre-season testing, and super-soft ‘qualifying simulation’ runs dominate the timesheets.
No solution in sight to Nurburgring nor Hockenheim dilemmas over commercial deal for 2015 event.
Team boss John Booth declares 'I'm confident we will get there' – despite many obstacles to clear before the season opener in Australia.
Reliability issues mean that early-season flyaways will come too soon for new Honda-powered era.
Day three of test ends with the World Champion outpacing the pack, despite running a harder tyre.
Veteran engineer Pat Symonds admits factory Merc squad is still out front, but thinks Williams is poised to lead the chase.
Mercedes chasers go to war on super-soft tyres, but they’re still slower than Rosberg from yesterday on softs.
Vettel admits Rosberg's time on soft tyres was "awesome" as World Champions show their hand.
Pre-season testing ends with the teams having tried all the 2015 tyres apart from the full wet.
Sebastian Vettel: "...It’s clear that Mercedes is still ahead by quite a way, but right behind there is us, Williams and Red Bull, all very close.
Sergio Perez completed his first miles in the VJM08, clocking 130 laps at the Circuit de Catalunya-Barcelona.
Daniel Ricciardo: "I feel really ready to race now and I think we’ll be good come Melbourne.”
Nico Rosberg: "We are very optimistic. Now, I look forward to flying to Australia and getting back to racing."
Giampaolo Dall’Ara: "Today we had a positive end to an overall satisfactory pre-season campaign."
Eric Boullier: "Looking back at the last four weeks, our winter test programme has been difficult."
Pastor Maldonado: "My braking was compromised coming into turn four, meaning I went off the track and hit the barriers."
Kimi Raikkonen: “Overall it hasn’t been a bad test since we covered a race distance today."
Kevin Magnussen: "It’s good working with Honda, they’re a very enthusiastic team, you can feel they have a desire to succeed – they’re here to win."