He sure does look depressed.

Boullier was mum on the eventuality that Mercedes could lend a helping hand to Honda, as suggested at F1's Strategy Group meeting last week in Paris.

But the Frenchman was adamant that its engine partner must now initiate work on its 2018 engine.

“2017 is still under development,” he said, “and the rest is the responsibility of Honda.

“But Honda must start now. Mercedes, for example, already has an engine that will run in 2018.”