New Mercedes-Benz SL-Class R231 debuted earlier this year, and its top-end version of the SLK55 AMG the final road test. However, its prime minister is expected very soon – at the motor show in Frankfurt in September. According to the motoring magazine Auto Car, the novelty will receive a 5.5-liter “eight” power of 416 hp (539 Nm), which is already installed on the older models – CLS63 AMG and E43 AMG. However, unlike the latter, the motor of the new SLK55 AMG 2012 deprived turbochargers to maintain the status quo, it was not a result of faster models SL. Exact dynamic performance trends were not disclosed. In addition, the power unit is equipped with AMG Cylinder Management, which allows to turn off half the cylinders under light loads. Coupled with the “start/stop” is possible to achieve a reduction in carbon dioxide emissions to 199 g/km and an average fuel consumption in the combined cycle is 8.5 liters is now one hundred kilometers, which is 30% less than the previous generation. The sale of new Mercedes-AMG SL63 in the European market will be early next year, the price has not been announced.