The Mercedes-AMG CLE 63 has been spotted with a V8 engine, marking the return of V8 power to the model. The engine's horsepower output is not consistently reported, with some outlets suggesting it could start at 530 horsepower or possibly reach 646 horsepower. A prototype of the vehicle has been seen with a redesigned front and a distinctive wing, although details about the vehicle's official release and specifications have not been confirmed.