As we've reported before, Mercedes-Benz will offer the new GT in top-spec 63 S E Performance guise. The mighty plug-in hybrid based around the 4.0 V8 first made its debut in the AMG GT 4-Door. In The Mercedes-AMG GT 63 S, is a high-end sedan with four usable seats, a trunk, and stratospheric performance. It has now undergone a further transformation by German tuners Brabus and has been s18bqU.