Helmut Marko has questioned whether further seasons of Formula 1: Drive to Survive are "necessary" after the sport's boom in popularity.
Formula 1 has been able to attract a significant new audience in recent years. And part of the reason for its success is the Netflix docu-drama series.
Drive to Survive's success has been credited to its focus on the personalities in the sport rather than the racing itself. As a result, the likes of Daniel Ricciardo and Guenther Steiner have become household names and all involved have experienced a huge popularity boost.
