The Mercedes-Benz Citaro came to the starting line in no less than three versions: The new Euro VI-certified model with the also new Mercedes-Benz OM 936 h engine and a displacement of 7.7 litres and a rated power output of 220 kW (299 hp) faced the directly comparable Euro V-certified predecessor models with OM 906 hLA engine (6.4 litres displacement, rated power output 210 kW/286 hp) as well as with OM 457 hLA engine (220 kW/299 hp). Transmissions, final drive ratios and tyres were identical in each case.
With a fuel consumption of 38.7 l/100 km the new Euro VI-certified Citaro turned in an excellent performance in the Record Run Buses 2012 in light of the difficult route.It considerably outperformed its predecessors, which are known to be economical, by 3.6 l/100 km or 8.5 per cent. This means the Euro VI-certified Citaro not only delivers on the brand promise of fuel savings of three to five per cent, but can even significantly surpass these figures. Assuming an annual mileage of 60,000 km it also relieves the burden on the environment by 5700 kg in CO2 emissions at the same time.