We just reported on June 5th that Mercedes will be unveiling a production version of a diesel mild-hybrid S-Class at the Frankfurt Auto Show. Well now according to AutoCar, Mercedes will also use the event to unveil a production petrol-electric hybrid S-Class that was shown in its concept version at the 2005 Frankfurt Auto Show.
The Merecdes-Benz petrol-electric hybrid will be powered by a 3.5 liter V6 engine that will be matted with an electric motor, producing around 268 horsepower. That should give the car the ability to do 0-62 mph in 7.5 seconds while averaging 35 mpg.
The petrol-electric hybrid is based on the Direct hybrid concept. Both, the Mercedes Direct Hybrid Concept and the Bluetec Hybrid Concept, were unveiled at the 2005 Frankfurt Auto Show. As reported before, the production version of the Bluetec Hybrid Concept uses a 2.2 liter four-cylinder Bluetec diesel engine coupled with a mild-hybrid system, producing close to 204 horsepower and averaging 6.6 liters per 100 kilometers (62 miles).
We’re guessing that only one of the two S-Class hybrids will make it to the roads, which is expected to happen in late 2008 or early 2009.
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