SUBSCRIBE ► http://bit.ly/SubscribeSkyF1
Mercedes boss Toto Wolff reveals Mercedes' upgrade plan.
Add the Sky Sports F1 TV channel to your Sky package by clicking here ► http://bit.ly/WatchSkyF1
MORE FROM SKY SPORTS F1:
►FACEBOOK: http://www.facebook.com/SkySportsF1
►INSTAGRAM: http://www.instagram.com/SkySportsF1
►TWITTER: https://www.twitter.com/SkySportsF1
MORE FROM SKY SPORTS ON YOUTUBE:
►SKY SPORTS FOOTBALL: http://bit.ly/SSFootballSub
►SKY SPORTS BOXING: http://bit.ly/SSBoxingSub
►SKY SPORTS CRICKET: http://bit.ly/SubscribeSkyCricket
►SOCCER AM: http://bit.ly/SoccerAMSub
►SKY SPORTS F1: http://bit.ly/SubscribeSkyF1
►SKY SPORTS: http://bit.ly/SkySportsSub
►SKY SPORTS GOLF: https://bit.ly/SubscribeSkySportsGolf
