Complete technical specifications for the Mercedes-Benz E-Class E 500 BlueEFFICIENCY Cabriolet — 408 hp, petrol, convertible, 2011. Performance highlights: 0–100 km/h in 5.2 s, top speed 250 km/h (155 mph), consumption 9.1 l/100km (31.0 mpg UK · 25.8 mpg US).