Complete technical specifications for the Mercedes-Benz E-Class E 250 CGI BlueEFFICIENCY Cabriolet — 204 hp, petrol, convertible, 2010. Performance highlights: 0–100 km/h in 7.8 s, top speed 240 km/h (149 mph), consumption 7.9 l/100km (35.8 mpg UK · 29.8 mpg US).