Complete technical specifications for the Mercedes-Benz E-Class E 250 CDI BlueEFFICIENCY Cabriolet — 204 hp, diesel, convertible, 2011. Performance highlights: 0–100 km/h in 7.8 s, top speed 245 km/h (152 mph), consumption 5.1 l/100km (55.4 mpg UK · 46.1 mpg US).