Heavy rain combined with low grip levels on the resurfaced Istanbul Park circuit shook up the pecking order in qualifying on Saturday, paving the way for Lance Stroll to grab a shock pole position.

Mercedes slumped to its worst qualifying result since the 2013 Italian Grand Prix as neither of its cars finished inside the top five.

Lewis Hamilton could only take sixth place on the grid, finishing 4.7 seconds down on Stroll's pole time, while Valtteri Bottas wound up ninth overall.

"I believe we haven't lost a pole in wet conditions this year," said Mercedes team principal Wolff.

"But the conditions were different in that it wasn't only wet, but it was a brand new circuit that was slippery and cold ambient and track temperatures.

"We just weren't able to switch the tyres on, and you can

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