So far, Mercedes-Benz launched its 2014 E Class Hybrid and Volkswagen showcased the Crossblue plug-in hybrid SUV.

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Mercedes-Benz has the A-Class E Cell, sold only in Europe, and the B-Class F-CELL, but plans to debut the SLS-AMG E Cell in a battery electric version by 2013.

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Geoff Day, head of communications for Mercedes-Benz USA, says the SLS AMG E-Cell uses lithium-battery technology currently unequaled in any other automaker, especially in terms of charging times and resiliance.

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They might even be more C class than E class, when thinking of the Mercedes Benz line of vehicles.

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