Mercedes-AMG is developing a GT4 racecar.A timetable has not been announced for the completion of the car, which was announced at the company's awards dinner in Stuttgart."The development of the Mercedes-AMG GT4 is another important step in the continuing expansion of our Mercedes-AMG motorsport program," Mercedes-AMG Chairman Tobias Moers said....

Mercedes says it will take in more races on the Nurburgring Nordschleife as part of the development process of its new AMG GT3 racer, following the car's debut last weekend.The replacement for the SLS AMG GT3 took pole position for its first race in the VLN series last weekend, with...