ok. I checked it. You are right
For UK:
http://www2.mercedes-benz.co.uk/cont...ical_data.html
E63 AMG 557HP RWD
E63 AMG S 585HP RWD
For German:
http://www.mercedes-benz.de/content/...ta/models.html
E63 AMG 557HP RWD
E63 AMG 557HP AWD
E63 AMG S 585HP AWD