This 2002 Mercedes-Benz S-Class looks extraordinarily unassuming. It’s finished in simple Brilliant Silver, and looks stock and unadorned. But it’s secretly one of the rarest examples in the world. It’s an S63 AMG. Such a model was not offered in the U.S., and few of them were offered anywhere else. Besides the low production numbers, what makes it special is the V12 sitting under the hood.
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