Miserly S 250 CDI BlueEfficiency is first S-Class ever with four-cylinder power
According to the rumors, it will use the 2.2-liter, twin-turbocharged diesel four-pot fitted to the E- and C-Class, putting out 224 horsepower and 368 lb-ft of torque. The obvious sacrifice in sheer grunt and top end ought to be made up for by the mileage, which is predicted to be 35 mpg. To keep the four- and six-cylinder engines from being too close to one another, the six is said to grow in output to 285 hp and 516 lb-ft, and that should spell the end of the eight-cylinder S 450 CDI engine.
[Source: Auto Internationaal (translated) via 4WheelsNews]
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