The Germans at Mercedes unveiled a very frugal version of the new E-Class model, namely the E 220 BlueTEC BlueEFFICIENCY Edition. As its name suggests, efficiency is the keyword for this model. Powered by a 2.1-liter diesel powerplant offering 170 horses and 400Nm of torque, the 0-100 km/h sprint is possible in 8,4 seconds with