The days of Mercedes model naming giving any indication as to what’s under the bonnet are long gone. The Mercedes E63 AMG never had a 6.3-litre engine – the old car packed a naturally-aspirated 6.2-litre V8. Now the powerplant has shrunk to 5.5-litres, but has sprouted a pair of turbochargers. It is the same V8 mill already found in the CLS63, S63 and CL63 AMG.
Looking The Apex 