<P> Until 1994, Mercedes - Benz utilized an alphanumeric system for categorizing their vehicles, consisting of a number sequence approximately equal to the engine's displacement in liters multiplied by 100, followed by an arrangement of alphabetical suffixes, indicating body style and engine type . </P> <Ul> <Li> "C" indicates a coupe or cabriolet body style (for example, the CL and CLK models, though the C - Class is an exception, since it is also available as a sedan or station wagon). </Li> <Li> "D" indicates the vehicle is equipped with a diesel engine . </Li> <Li> "E" (for "Einspritzung") indicates the vehicle's engine is equipped with a petrol fuel injection . Also used for electric models and plug - in hybrids . </Li> <Li> "G" was originally used for the Geländewagen off - road vehicle, but is now applied to Mercedes SUVs in general (G, GLA, GLC, GLE and GLS). </Li> <Li> "K" was used in the 1930s, indicating a supercharger ("Kompressor") equipped engine . Two exceptions: the SSK and CLK, where K indicates "Kurz" (short - wheelbase) (though the SSK had a supercharger). </Li> <Li> "L" indicates "Leicht" (lightweight) for sporting models, and "Lang" (long - wheelbase) for sedan models . </Li> <Li> "R" indicates "Rennen" (racing), used for racing cars (for example, the 300SLR). </Li> <Li> "S" Sonderklasse "Special class" for flagship models, including the S - Class, and the SL - Class, SLR McLaren and SLS sports cars . </Li> <Li> "T" indicates "Touring" and an estate (or station wagon) body style . </Li> </Ul> <Li> "C" indicates a coupe or cabriolet body style (for example, the CL and CLK models, though the C - Class is an exception, since it is also available as a sedan or station wagon). </Li> <Li> "D" indicates the vehicle is equipped with a diesel engine . </Li>

What does c-class mean for a mercedes benz