Has Mercedes' desire to make a quicker all-round car in 2016 cost Lewis Hamilton in his title battle with Nico Rosberg?
One fascinating theory put forward during Sky Sports F1's Malaysia GP qualifying show was that a crucial change in the W07 car's front suspension actually suits Rosberg's driving style rather than the world champion's.
Sky F1 technical analysts Ted Kravitz and Mark Hughes delve deeper into just what modifications Mercedes made in 2016, and why Hamilton may have struggled at circuits such as Baku and Singapore.
Hamilton, when asked by Rachel Brookes if he had the car to win a third F1 title this year simply replied "time will tell", with Mercedes boss Toto Wolff adding: "This car has won 14 out of 15 races, but equally there is a psychological effect that a driver needs to feel at home in the car.
"One year he feels really easy with the car and then one it might feel tricky. Maybe that's the case with Lewis this year."
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