Mercedes has released a new promotional video which highlights the twin-turbo 4.0-liter V8 engine that powers the AMG GT and C63 AMG.

Mercedes has released a new promotional video which highlights the twin-turbo 4.0-liter V8 engine that powers the AMG GT and C63 AMG.

Shown on a test bench, the video gives us an overview of how the company tests their high-performance engine and ensures it can handle being subjected to extreme conditions.

The video goes on to highlight's some of the engine's key attributes including its 90° bank, dry sump lubrication system and high-performance fuel injectors which open and close in less than a millisecond.

The clip also takes us to the Finding Room where the engine is dissembled after testing to look for any signs of unusual wear and tear.