Toto Wolff On Mercedes' Fifth Constructors' Title
They had their toughest fight yet with Ferrari, but Mercedes weathered the storm to clinch a fifth title in as many seasons. For more F1® videos, visit http://www.Formula1.com Like F1® on Facebook: https://ift.tt/1MFbor3 Follow F1® on Twitter: http://www.twitter.com/F1 Follow F1® on Instagram: https://ift.tt/1JErGhI #F1
