"As ever fighting a few little issues as we pull everything together.
"So lots of work going into building the right spec, getting it long-runned, and then providing power units to the teams so that they can fire up their cars - I think you've spotted one that's fired up already!
"And then getting the hardware ready to go track testing. Car launch on February 14th, with a red rose, and then off to Barcelona with three cars hopefully pounding round the track.
"Just six days of track testing then before we're off to Melbourne."
However, the Mercedes engineer highlighted the difficulties of putting so many parts together on a car, only to separate them for each journey around the world for races.
"And the race pool, a huge number of those parts already made, assemblies going together, and the challenge of getting everything to the other side of the world,” he explained.
"So a busy time, chasing bits of performance, getting the reliability there, getting the huge amount of hardware together, and getting it to the other side of the world."
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