Steel monocoque body with steel body panels and doors. Aluminum hood. Heated rear window, rain-sensing variable-speed windshield wipers. LED headlights with auto-leveling and auto-day light sensor function. LED side (parking) and rear lights. Front & rear three-point, pre-tensioning seatbelts with force limiters in front positions. Front-seat active head restraints. Supplemental Restraint System: Driver and front passenger airbags, side impact airbags (front), active knee protection (front), rollover protection. Vehicle security system featuring interior motion detector and engine immobilization. Assist telematic services with one button activation. 6.6 liter 48-valve 60 V-12-aluminum-alloy engine with direct fuel injection, variable valve lift and timing. 563 SAE HP @ 5250-6000 rpm, 605 lb ft @ 1500-5000 rpm. Eight-speed electronically controlled automatic transmission. Double-wishbone front suspension, multi-link rear suspension including self leveling air springs with Anti Roll Stabilization and electronic Variable Damping Control. Light alloy wheels and Low Rolling Resistance tires (LRRT) with tire pressure alert. Power-assisted ventilated disc brakes (all wheels) with: Four channel Anti-lock Braking System, Brake Energy Regeneration, Dynamic Brake Control, Dynamic Stability Control including Dynamic Traction Control and Cornering Brake Control. Electric Parking Brake featuring hill hold function and Dynamic Emergency Brake. Rollover Protection System.