The iconic Mercedes-Benz SL-Class has earned a jealous standing for deliver first-rate height of presentation, method and lavishness. As the unique replica detained factual to its “Sport Lightweight” autograph, Mercedes-Benz engineers then unnoticed the SL’s restrain heaviness and careful “diet” a four-letter utterance awaiting now. The showpiece of the 2013 Mercedes-Benz SL550 is certainly the new 4.7-liter V8 train. By means of the assist of double turbochargers, this healthy power place churns out 429 horsepower and an astounding 516 pound-feet of torque. Speeding up is threatening, and cog change from the novel multi-mode seven-speed automatic transmission is flat and precise.