Mercedes was already working on cooling fix pre-Austria

Mercedes is confident it can fix the cooling issues it experienced at the Austrian Grand Prix and has revealed it was already working on a solution before it turned a wheel at the Red Bull Ring last weekend.

Mercedes' ten-race consecutive winning streak came to an end on Sunday when its cars finished third and fifth at the Austrian Grand Prix. After victories at the first eight races of 2019, the Mercedes W10 looked uncharacteristically slow throughout practice and qualifying at the Red Bull Ring and dropped further off the pace in the race as both cars encountered cooling issues.

The high ambient temperatures of 35C combined with the relatively thin air at an altitude of 700 metres meant the…