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Tuesday, November 09, 2010
Mercedes-Benz S 250 CDI BlueEFFICIENCY
Image: © 2010 theirEarth.com

Mercedes-Benz S 250 CDI - The High Efficiency S-Class

PARIS, FRANCE - Mercedes-Benz presented their S 250 CDI BlueEFFICIENCY sedan at last month's 2010 Paris Motor Show. The S 250 CDI turbo diesel (see photo) delivers high fuel efficiency with a NEDC combined fuel consumption of 5.7 litres per 100 km (41.3 US mpg), and a CO2 output of 149 g/km. The Mercedes-Benz S 250 CDI's four-cylinder engine is powerful as well as efficient, delivering a peak output power of 150 kW (204 hp), and a maximum torque of 500 Nm.

Performance from the high efficiency S 250 CDI diesel engine is very good with a zero to 100 km/h (0 to 62.14 mph) acceleration time of 8.2 seconds and a top speed of 240 km/h (149.14 mph). Mercedes-Benz engineers have installed a two-stage turbocharger in the S 250 CDI with a low-pressure turbine linked in series with a high-pressure turbine, which helps to deliver the impressive fuel economy. There is also a fuel-saving ECO start/stop function that shuts the engine off when the S 250 comes to a stop and then re-starts the engine when the driver releases the brake pedal, or puts their foot on the accelerator pedal.

Mercedes-Benz has also designed a fuel efficient automatic transmission for the S 250 CDI called the 7G-TRONIC PLUS, which is designed to have reduced slip of the torque converter at low loads. The new 7G-TRONIC PLUS automatic transmission is also designed to integrate well with the ECO start/stop function allowing the transmission to engage quickly immediately after the engine starts following a start/stop event.

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Mercedes-Benz S 250 CDI BlueEFFICIENCY
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