Complete technical specifications for the Mercedes-Benz S-Class S 350 BlueEFFICIENCY Prestige — 306 hp, petrol, sedan, 2010. Performance highlights: 0–100 km/h in 6.9 s, top speed 250 km/h (155 mph), consumption 7.6 l/100km (37.2 mpg UK · 30.9 mpg US).