The CLK55AMG boasts a long list of standard equipment, including leather upholstery, rain-sensing windshield wipers and optional monochromatic black interior. It is available only as a limited-production cabriolet, ultra-high-performance model with a 5.4-liter V8 rated at 362 horsepower at 5750 rpm and 376 pound-feet of torque at 4000 rpm. It's fitted with an AMG-modified SpeedShift five-speed driver-adaptive automatic transmission that can be shifted manually using the shift lever or Formula 1-style controls on the steering wheel. Safety features include dual two-stage frontal airbags; front-seat head and chest side-impact airbags; Tele Aid automatic emergency response notification system; and active front head restraints. Automatic-deploying roll bars come standard on cabriolets. Active safety features that come standard include antilock brakes with emergency Brake Assist and electronic stability control.For 2006, the Mercedes-Benz CLK-Class gets a new grille and redesigned taillights.