Over the last several years, Mercedes-Benz has displayed a series of hybrid concepts based on several different model ranges. These have been based on various powertrain configurations including both mild and two-mode hybrids as well as both gas and diesel engines such as the C300 Bluetec hybrid pictured above. Mercedes' first two production hybrids – the S400 and ML450 – both use a 3.5-liter gasoline V6, but it looks like the company's first diesel hybrid could debut in 2011.

The newly introduced E-class is expected to use the same powertrain that was in the C300 concept with a 204 horsepower twin-turbocharged 2.2-liter four cylinder diesel. This would be paired with a mild hybrid system, also seen in the S400, that uses a lithium ion battery. The combination could get up to 47 mpg (U.S.) on the EU combined test cycle. This would be one of the first production light duty diesel hybrids, along with with the Peugeot 3008 that is also coming in 2011.

[Source: Autocar]

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