Too weak. Can't handle the pressure. Unattractive to sponsors. Susie Wolff has heard it all -- and she is all the more determined to become the first female F1 driver in more than 20 years.
Lewis Hamilton leads a Mercedes one-two at the Chinese Grand Prix Sunday as his teammate Nico Rosberg clings on to his lead in the world championship title race.
Amanda Davies met the 'father' of the Mercedes F1 power unit to uncover the secrets behind the team's early dominance this season.