Mercedes-Benz revealed today the S250 CDI BlueEfficiency, and announced that this is the first 5 litres/100 km car in the luxury segment. Powered by a 2.2-liter four-cylinder CDI engine, the new car delivers an impressive 5.7 liters/100 km (41 mpg) as well as 149g of CO2 emissions. The small four-cylinder diesel engine mated to a 7G-Tronic Plus 7-speed automatic transmission, delivers 204 hp( 150 kW) and a maximum torque of 500 Nm.
Still, the vehicle can accelerate to 100 km/h (62 mph) in just 8.2 seconds and has a top speed of 240 km/h (150 mph). These performances are a result of two-stage turbocharging, which consists of a small high-pressure (HP) turbocharger and a large low-pressure (LP) turbocharger.
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