It's made a touring-car version to compete in DTM and a safety car to set the pace at MotoGP races, and now it's combined both into a new safety car for DTM as well. The ninth M4 on the DTM grid ...

The latest hotted-up safety car for DTM is the Mercedes-Benz C63 AMG Black Series. If we'd been in a racing accident, we're not sure we'd trust the men who stepped out of a car that's half ...