The new Mercedes-AMG GT 63 S 4MATIC+ has become the world's fastest series production four-seater around Nurburgring Nordschleife. This record comes after a certified time of 7:25:41, which was completed by AMG Development Engineer Demian Schaffert. Schaffert is actually a former racing driver, so he knew exactly what he was doing behind the wheel. You can view the record lap down below. 
https://youtu.be/4bgLjcX6NU4
Mercedes-Benz SLS AMG: A Look Back
Mercedes' four-door sedan beat out the 2017 Alfa Romeo Giulia Quadrifoglio's time of 7:32, set back in 2016. Now the German company can sit on top of the four-door Nurburgring pedestal for the time being. Which car will break the record next? 