Subscribe! http://bit.ly/SubscribeToMarchettino - I have filmed the 2018 Mercedes W09 Formula 1 car during its first testing day in the circuit of Barcelona. The W09 was driven by Mercedes' racing driver Valtteri Bottas and to be honest, this is to me the best sounding Formula 1 of this season! Instagram: https://instagram.com/marchettino Facebook: http://on.fb.me/Marchettino Twitter: http://twitter.com/MarchettinoYT