Now we spied Mercedes and they has unveiled the new 2010 Mercedes-Benz E-Class Estate which will offer a range of fuel efficient engines including the E250 CDI BlueEFFICIENCY that develops 150 kW and 500 Nm of torque and needs 5.7 liters of fuel to go for 100 km. The CO2 emissions level of the 2010 Mercedes-Benz E-Class Estate CDI BlueEFFICIENCY