Has Mercedes-AMG finally found a way to break the laws of physics? James bends time and space, with the seat massage on, in the mighty Mercedes-AMG GLS63.
Is there such a thing as too much power? With the Mercedes-AMG GLS63 and its 430kW twin-turbo V8, James doesn't think so.
It has a new look and a new name, but is the Mercedes-Benz GLS really the S-Class of SUVs?
