sustainable sports sedan

Is this for real?

Premium sedan levels of comfort and sports car performance
with fuel economy of just 2.1 liters per 100 km? Yep, it’s for real.

[Mercedes-Benz C 350 e | Combined fuel consumption: 2.4-2.1 l/100 km | CO₂ emissions: 54-48 g/km | http://mb4.me/EfficiencyStatement]