Toto Wolff has warned Liberty Media to stop “provoking” Ferrari president Sergio Marchionne.
In recent days, Marchionne doubled down on his threat to pull Ferrari out of the sport, accusing F1 sporting boss Ross Brawn of “behaving like Moses”.
A major source of tension between Brawn and Marchionne is over the proposed 2021 engine rules, and Mercedes boss Wolff is siding with Ferrari.
“We currently have a powertrain that is the most powerful and efficient racing engine ever,” he told Welt am Sonntag newspaper.
“With new engine regulations there are possibilities to optimise this.