In Europe, at least, Mercedes-Benz is adding a pair of E200 BlueEfficiency models to its brand new E-Class lineup for 2010. Both variants use four cylinder engines with turbocharging and direct injection, although they burn different fuels. The E200 CGI uses gasoline to get 184 hp and 200 lb-ft of torque from its 1.8-liter engine. That's enough to move the sizeable E-Class to 62 mph in just 8.5 seconds while averaging 32.7 mpg (U.S.) on the EU combined driving cycle.

If, on the other hand, you really want to maximize efficiency, the diesel-powered E200 CDI is the way to go. Using the 136 hp variant of Mercedes' new 2.1-liter four cylinder diesel with a single turbocharger, it averages 45.2 mpg (U.S.) on that same driving cycle. With 365 lb-ft of torque it still gets to 62 mph in a reasonable 10.2 seconds. Both engines meet EURO V emissions, but neither is likely to appear on U.S. shores anytime soon.

[Source: Mercedes-Benz]

Mercedes-Benz E-Class: New, efficient four-cylinder models ready to roll
Stuttgart,
Jul 17, 2009
Stuttgart - Mercedes-Benz is adding to the engine line-up for the new E-Class by introducing two economical four-cylinder models. The E 200 CDI
BlueEFFICIENCY developing 100 kW/136 hp consumes 5.2 litres of diesel per 100 kilometres, while the new E 200
CGI BlueEFFICIENCY has an output of 135 kW/184 hp and consumes 7.2 litres of petrol per 100 kilometres.
Sophisticated, efficient four-cylinder engines make for lower fuel consumption and less environmental pollution without having to compromise on classic Mercedes attributes such as ride comfort and driving enjoyment. As shown by two new E-Class models, which Mercedes-Benz is introducing to complete its engine line-up in the executive category.
The diesel powerplant in the E 200 CDI BlueEFFICIENCY has a displacement of
2143 cc, an output of 100 kW/136 hp, and consumes 5.2 to 5.5 litres of diesel per 100 kilometres (CO2 emissions: 137 - 145 g/km), enabling the Saloon to accelerate from zero to 100 km/h in 10.2 seconds and reach a top speed of 210 km/h.
The petrol engine in the new E 200 CGI BlueEFFICIENCY boasts a displacement of 1.8 litres and an output of 135 kW/184 hp. It takes 8.5 seconds to accelerate from zero to 100 km/h and has a top speed of 232 km/h. This model consumes 7.2 litres of premium unleaded petrol (RON 95) per 100 kilometres (CO2 emissions: 169 g/km), not least thanks to the ECO start/stop function, which is fitted as standard in conjunction with the six-speed manual transmission.
These are all-new four-cylinder powerplants with direct injection. One of the main features of the new diesel engine is latest-generation common-rail direct injection. The likewise new four-cylinder petrol engine with direct injection is fitted with a turbocharger as well as adjustable intake and exhaust camshafts.
The key technical data
Cyl.
Displace-ment
kW/hp
Nm
0-100 km/h
Max. km/h
l/100 km
CO2/km
E 200 CDI
BlueEFFICIENCY
4
2143 cc
100/136
360
10.2
210
5.2-5.5
137-145 g
E 200 CGI
BlueEFFICIENCY
4
1796 cc
135/184
270
8.5
232
7.2
169 g
All figures refer to six-speed manual model
Like all the other engine variants for the new E-Class, which have already been awarded the Environment Certificate by TÜV Süd (Technical Inspection Authority in southern Germany), the two new powerplants comply with the EU5 limits.
Other key attributes of the world's best-selling luxury saloon, alongside its exceptionally ecofriendly design, include a unique combination of driver assistance systems, such as drowsiness detection, Adaptive Highbeam Assist and automatic emergency braking, which can help to prevent accidents. Further classic E-Class hallmarks include a high level of long-distance comfort, high-quality interior materials, build quality displaying unerring attention to detail and perfect ergonomics.
Prices for the E 200 CDI BlueEFFICIENCY start at € 38,734.50, while those for the
E 200 CGI BlueEFFICIENCY start at € 39,508. The market launch is expected in September 2009.


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