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.

Never dismiss a wagon, even on a racing circuit. That's a rule I confirmed when Mercedes-Benz invited me out to the track for hot laps in its E63 AMG S 4Matic Wagon. Never dismiss a wagon ...

The E-Class range of luxury sedans and wagons can fit a wide range of needs, from the fast, showy and exclusive E63 AMG to the more practical E350 and the economical, green-friendly E320 BlueTEC ...

The E-Class range of luxury sedans and wagons can fit a wide range of needs, from the fast, showy, and exclusive E63 AMG to the more practical E350 and the economical, green-friendly E320 Bluetec ...