The AMG performance cars are available with a choice of power output. The SL63 uses a twin-turbocharged 5.5-liter V-8 engine that produces 557 horsepower and 664 pounds-feet of torque. The SL65 boasts a 621-hp, twin-turbo 6.0-liter V-12 engine that sends 738 pounds-feet of torque to the rear wheels. Both use a seven-speed automatic transmission. Mercedes says the SL65 can go from zero to 60 mph in just 3.9 seconds. What’s Special
557-hp, twin-turbo 5.5-liter V-8 engine (SL63)
621-hp, twin-turbo 6.0-liter V-12 engine (SL65)
Seven-speed automatic transmission with driver-initiated shift modes
AMG-specific LED daytime running lamps
AMG rear spoiler
Heated, ventilated and massaging seats
Here’s info on the regular SL-Class:
The two-seat SL-Class, a retractable-hardtop convertible, is constructed mostly of aluminum and equipped with a choice of V-6 or V-8 engines in luxury guise and with V-8 or V-12 power in AMG performance models. The SL competes with four-seaters like the BMW 6 Series. New for 2016 Horsepower for the SL550’s V-8 jumps by 20 to 449 hp. Mercedes will offer 400 units of a Mille Miglia Edition with unique paint and trim to commemorate the brand’s exploits in the Italian open-road 1,000-mile endurance race. Significant Standard Features
Power-retractable hardtop
Seven-speed automatic transmission
Rear-wheel drive
Adaptive suspension
Bi-xenon high-intensity-discharge headlamps with articulating lenses
Heated and ventilated leather seats
Airscarf feature blows warm air at occupants’ necks
Active Parking Assist maneuvers the car into a parking space automatically
Hands-free power trunk lid opens or closes by waving a foot under rear bumper
Required in every new car: front airbags, antilock brakes and an electronic stability system
Significant Available Features
329-hp, twin-turbo 3.0-liter V-6 engine (SL400)
449-hp, twin-turbo 4.7-liter V-8 (SL550)
Active Body Control active suspension
Adaptive cruise control
Bang & Olufsen surround sound audio system
Blind spot warning and lane keeping system
Pre-Safe technology, which can autonomously stop the car if a collision is imminent
