Born in the fiery crucible of the Affalterbach, Baden-Württemberg, Germany headquarters, the 4.0-liter V8 engine sitting inside many of the Mercedes-AMG creations is clearly a work of art. A sensible one, though, as proven by a Mercedes-AMG GT 63 S 4Matic+ 4-Door Coupe that features a few tasty (but heavy) upgrades.