F1 Explained: The most powerful Mercedes F1 engine ever made!

Three and a half years after making its debut, the Mercedes-AMG Formula One Power Unit has now achieved a conversion efficiency of more than 50% during dyno testing in Brixworth.

In other words, it now produces more power than waste energy - a remarkable milestone for any Hybrid, let alone a flat-out racing engine.

Owen Jones, Head of Performance & Controls at Mercedes-AMG High Performance Powertrains, explains how it works...