Formula 1: Mercedes’ Toto Wolff says 2018 was ‘most challenging season’

Mercedes driver Lewis Hamilton won his fifth world championship title in October Mercedes boss Toto Wolff said 2018 was his team’s “most challenging season” after picking up a fifth consecutive Formula 1 constructors’ championship trophy. Briton Lewis Hamilton was also … Continue reading Formula 1: Mercedes’ Toto Wolff says 2018 was ‘most challenging season’