2012 Mercedes-Benz CLS63 AMG Debut in LA Auto Show

The AMG-fettled CLS will bow at next month’s Los Angeles Auto Show. Much like the revised S63 and CL63, expect the 2012Mercedes-Benz CLS63 AMG to use the automaker’s new twin-turbo 5.5-liter V8, churning out 544 horsepower and 590 pound-feet of torque. That power will be managed via Merc’s latest seven-speed AMG Speedshift automatic transmission sending power solely to the rear wheels. An AMG