F1 pre-season testing 2019: Valtteri Bottas says Mercedes W10 currently 'on a knife-edge' | Formula 1®
![Valtteri Bottas (FIN) Mercedes AMG F1 W10. German Grand Prix, Saturday 27th July 2019. Hockenheim, Germany Stock Photo - Alamy Valtteri Bottas (FIN) Mercedes AMG F1 W10. German Grand Prix, Saturday 27th July 2019. Hockenheim, Germany Stock Photo - Alamy](https://c8.alamy.com/comp/2GD07XB/valtteri-bottas-fin-mercedes-amg-f1-w10-german-grand-prix-saturday-27th-july-2019-hockenheim-germany-2GD07XB.jpg)
Valtteri Bottas (FIN) Mercedes AMG F1 W10. German Grand Prix, Saturday 27th July 2019. Hockenheim, Germany Stock Photo - Alamy
![Albert Park, Melbourne, Australia. 15th Mar, 2019. Valtteri Bottas (FIN) #77 from the Mercedes AMG Petronas Motorsport team rounds turn two during practice session one at the 2019 Australian Formula One Grand Albert Park, Melbourne, Australia. 15th Mar, 2019. Valtteri Bottas (FIN) #77 from the Mercedes AMG Petronas Motorsport team rounds turn two during practice session one at the 2019 Australian Formula One Grand](https://c8.alamy.com/comp/RYTFD0/albert-park-melbourne-australia-15th-mar-2019-valtteri-bottas-fin-77-from-the-mercedes-amg-petronas-motorsport-team-rounds-turn-two-during-practice-session-one-at-the-2019-australian-formula-one-grand-prix-at-albert-park-melbourne-australia-sydney-lowcal-sport-mediaalamy-live-news-RYTFD0.jpg)
Albert Park, Melbourne, Australia. 15th Mar, 2019. Valtteri Bottas (FIN) #77 from the Mercedes AMG Petronas Motorsport team rounds turn two during practice session one at the 2019 Australian Formula One Grand
![2019 Mexican Grand Prix: Mercedes elated after Bottas recovering from qualifying crash to podium | Formula 1® 2019 Mexican Grand Prix: Mercedes elated after Bottas recovering from qualifying crash to podium | Formula 1®](https://www.formula1.com/content/dam/fom-website/sutton/2019/Mexico/Sunday/MT015130_2019102780738783.jpg)