NEWS Mercedes-AMG unveils “Edition 55” A45 and CLA45 models NEWS Mercedes-AMG A45 and CLA45 have most powerful 4-cylinder engines REVIEWS Mercedes-AMG A45 is a bonkers turbocharged hot hatch FEATURES Mercedes-AMG Performance Drive at Sepang Circuit FEATURES Mercedes-Benz demonstrates safety features REVIEWS Group Test: Audi RS3 2.5 vs Mercedes-AMG A45 2.0