Check this chit out.

If Mercedes can build a diesel car to get this kind of performance....why in the hell cant GM, Ford or Dodge?

http://www.mbusa.com/models/features/specs/performance.do?modelCode=E320CDI&class=06_E

http://www.mbusa.com/models/features/specs/overview.do?modelCode=E320CDI&class=06_E