Length 5038 (5158 long wheelbase) mm 
Width 1857 mm 
Height 1444 mm 
Wheelbase 2965 (3085 long wheelbase) mm 
Lay-out Front engine, rear wheel drive configuration; 4-door 5- seater. 
Engine  (S320) 3.2 liter 18 valve V6 with a maximum output of 224 horsepower at 5600 rpm and 315 Nm / min of torque at 3000 rpm. (S500) 5.0 liter 24 valve V8 with a maximum output of 306 horsepower at 5600 rpm and 460 Nm / min of torque at 2700 rpm. 
Curb Weight (S320) 1770 kg. (S500) 1855 kg. 
Transmission 5-speed adaptive automatic transmission with auto-shift. 
Front Suspension 4-link fully air-suspended with automatic level control, Adaptive Damping System (ADS), torsion bar type anti-sway bar. 
Rear Suspension Multilink suspension, fully air-suspended with automatic level control, Adaptive Damping System (ADS), torsion bar type anti-sway bar. 
Brakes Front and rear vented disc brakes with ABS, Brake Assist, ESP and ASR. 
Wheels Front and rear R16 x 7.5 J 
Tires Front and rear 245 / 60 R 16 
Standard Equipment Electrically adjustable heated leather seats; leather and wood interior; auto aircon; manual shift option; tinted windows; eight airbags; Electronic Stability Program (ESP); rain sensor wipers; onboard computer system; GSM prewiring for cellular phones; Brake Assist; warning lamp for brake pad wear; Automatic Slip Control (ASP); 10-speaker Mercedes-Benz sound system by Bose; Baby Smart child seat detector; automatic touch-start ignition; first-aid kit. 
Additional Equipment Radar parking assist; soft-close doors, Keyless Go; voice command computer; radar cruise control. 
Rivals Audi A8 4.2; BMW 740 iL, Bentley Arnage; Rolls-Royce Silver Seraph. 
Price (starts at) US $ 88,900.00