2022 Mercedes-AMG S63e spy shots: Plug-in hybrid super sedan on the way

A new generation of the Mercedes-Benz S-Class was revealed in September, but the version most Motor Authority readers will be interested in, the Mercedes-AMG S63, was notably missing. That's because AMG has some major changes pegged for its full-size super sedan, a prototype for which has just been spotted. The tester has all the signature AMG...