Under the bonnet is a 6.2 litre V8 engine with 451bhp or 481bhp with the optional AMG Development pack. Power is sent to the rear wheels via seven-gear Speedshift MCT gearbox, taking it from 0-60mph in 4.4 seconds and to an electronically-limited top speed of 155mph. With the optional AMG development pack 60mph comes in 4.3 seconds and the top speed is increased to 174mph.
read more: http://www.gmotors.co.uk/news/mercedes-benz-c63-amg-coupe-revealed-with-up-to-481bhp/
