Mercedes-Benz SLK55 AMG the most powerful SLK ever.
The SLK55 AMG has a naturally aspirated AMG 5.5-litre V8 engine that itself from its turbocharged sibling with new intake air ducting, a modified valve drive, new cylinder heads,an adapted oil supply system, four-valve technology, an optimised crankcase and a Formula One-style cylinder shut-off system. As this name indicates, under partial throttle, two or four of the eight pots are switched off to help fuel consumption and emissions. In fact, the SLK55 AMG claims to only emits 199g/km of CO2 and returns around 8,4 liter per 100 Km.