In the world of luxury cars, one vehicle reigns supreme as the world's most expensive car: the 1955 Mercedes-Benz 300 SLR Uhlenhaut Coupe, sold at auction for an astounding $143 million in May 2022. With only two ever made, the Uhlenhaut Coupe is more than just a car—it’s a rare masterpiece, blending Formula 1-inspired engineering with one of the most iconic designs in automotiv...