2011 Mercedes-Benz S250 CDI introduced on the market

Article by Christian Andrei, on November 9, 2010

Daimler AG’s Mercedes-Benz is introducing an S-class sedan with a four-cylinder engine. This is a first in the S-class’s 60-year history as it competes with Audi and BMW AG for the “green” luxury driver.

Mercedes is the first big luxury carmaker to put a very small engine on its range-topping model. Mercedes wants to keep an S-class performance despite the downsized engine.

Other premium car manufacturers are also boasting of their environmental credentials to appeal to environmentally conscious customers as well as to comply with emissions standards.

BMW’s investment in fuel-saving technology amounts to EUR1.2 billion. Meanwhile, Mercedes almost doubled its investment on “green” development to EUR1 billion in 2010. Coming to dealers early in 2011, the S250 CDI has a 2.2 liter diesel engine that boasts of a peak power output of 204 hp.

The car also delivers maximum torque of 500 Newton meters at 1600 rpm. Mercedes says that, with the standard stop-start technology, the S250 CDI consumes fuel at 5.7 liters per 100 km and CO2 emissions of 149 grams per km.

The S250 CDI is the first car in the luxury segment to run on under 6 liters of fuel per 100 km. It is also the first vehicle in its class to reach CO2 emissions below the 150 gram mark.

Mercedes says the high-torque at low engine speeds results from two-stage turbo-charging and engine’s torque figures are equivalent to a six-cylinder diesel.

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