2020 Mercedes-AMG G63 review: Power and style above all 2020 Mercedes-AGM G63 (G-Wagen) I love so much, but honestly, the ostentatious AMG version strays too far from the base model’s off-roady charm.     No SUV has the inherent cool factor of the Mercedes-Benz G-Class.   The Mercedes-Benz G-Class is a paradox. It’s utilitarian, rugged and boxy. But at the same time, it’s coveted by the rich, stylish and famous, and Mercedes keeps coming up with ever more luxurious and powerful variants to satisfy those buyers, the latest of which is the 2020 AMG G63. . 2020 Mercedes-AMG G63 MSRP:$156,450 This…