Mercedes AMG High Performance Powertrains, which makes engines for the Mercedes Petronas team has formally filed a lawsuit against one of its Formula One engineers Benjamin Hoyle, for disclosing confidential documents to a competitor. Hoyle joined in 2012 as one of the 4 Performance Application team leaders in the company and was set to leave at the end of 2015 and intended to join Ferrari after his contract. The suit alleges that he searched and saved files including a race…