Review Roundup: Testers Weigh In On The Mercedes S550, CL550, CL600, E280 4MATIC, CLK320 CDI Sport And E320 BLUETEC

Going through our inbox this morning an astute reader by the name of Duy tipped us off to a new batch of Mercedes C63 AMG spy photos uncovered by the Norwegian website Although there’s no new information published about the model, rumors have been circulating the C63 will be making its premier at the Frankfurt Motor Show in September and will feature a de-tuned versions of AMG’s 6.3-Liter V8 outputting around 430 hp.