Mercedes has been spotted testing its latest four-door performance wagon in the form of the forthcoming AMG E63 wagon, with a powerful front end hinting at the muscle to be found underneath.

There's a similar story to be told, I think, with this almost completely incomparable 2014 Mercedes-Benz E63 AMG S 4Matic wagon – and I'm not only talking about the coded and lengthy proper name.

More than just cool, these are also two of the rarest wagons on earth. In fact, the E63 AMG Wagon is the rarest car Mercedes sells in the U.S. Its special order only through the dealer _ its not ...

Good. What does any of this have to do with cars? Truthfully not a whole lot, but the Mercedes-Benz E63 AMG S-Model 4MATIC Wagon is a perfect example of something that just does not make any sense.