According to a recent report, the 2012 Mercedes SLK55 AMG will feature a naturally-aspirated 5.5-liter V8 engine with 416 hp (310 kW / 314 PS) and 398 lb-ft (539 Nm) of torque.

According to a recent report, the 2012 Mercedes SLK55 AMG will debut at the Frankfurt Motor Show.

Auto Car says the model will feature a naturally-aspirated 5.5-liter V8 engine with 416 hp (310 kW / 314 PS) and 398 lb-ft (539 Nm) of torque. It will reportedly be equipped with multi-cylinder deactivation (dubbed AMG Cylinder Management) and a start/stop system which will enable the roadster to have a combined fuel economy rating of 33.2 mpg UK (27.6 mpg US / 8.5 L/100 km) and CO2 emissions of 199 g/km.

If that hasn't piqued your interest, there's also word of a SLK 250 CDI with 201 hp (150 kW / 204 PS).

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2012 Mercedes SLK55 AMG to have 416 hp - report