The 2019 AMG G63 is an over-the-top performance version of a unique luxury off-road SUV. here's more than one way to build a luxury SUV. The Mercedes-Benz G-Class combines a military heritage with modern technology in a brash statement of unconventional luxury. When you want a high-end SUV that doesn't look or feel like anything else on the road, the G-Class is your answer. To say it's versatile is a wild understatement. It's also an icon of prosperity that's perhaps uniquely resistant to rational analysis.