i doubt the new C will have 500hp. Comparing the power output between the current models, there's a difference of over 100hp between the C55 to the E55 and 130hp difference with the S55, even though they're all 5.5L V8s. I think it has something to do with emmissions. In any case, it will still be a powerful car, although I don't think they'll make it faster or as powerful as the E or S classes.

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