Complete technical specifications for the Mercedes-Benz S-Class S 63 AMG 4MATIC Cabriolet — 612 hp, petrol, convertible, 2018. Performance highlights: 0–100 km/h in 3.5 s, top speed 250 km/h (155 mph), consumption 11.5 l/100km (24.6 mpg UK · 20.5 mpg US).