- Combustion principle: four-stroke petrol (with manifold injection and 2 exhaust gas turbochargers with charge-air cooling; emission control system with closed-loop 3-way catalyst)
- Configuration: front, longitudinal; vertical
- Engine type: M 285 E 55 LA / 285.950
- Number of cylinders / arrangement: 12 / 60° V; light-alloy block
- Bore x Stroke: 82.0 x 87.0 mm
- Total displacement: 5513 cc
- Compression ratio: 9.0
- Rated output: 405 kW / 550 hp at 5250 rpm
- Rated torque: 900 Nm at 2300 - 3000 rpm
- Number of valves / arrangement: 2 intake, 1 exhaust / V-shaped overhead
- Valve operation: 1 overhead camshaft per cylinder bank (adjustable)
- Camshaft drive: double roller chain
- Fuel system: microprocessor-controlled injection system with HFM (Bosch ME engine management) / biturbo charger with intercooling
- Fuel tank: position / capacity: above the rear axle / 110 l
- Frame design: steel unit body
- Front-wheel suspension: double-wishbone axle / air suspension strut with level control system
- Rear-wheel suspension: multilink suspension / air suspension strut with level control
- Front springs: air suspension struts, torsion bar stabiliser
- Rear springs: air suspension struts, torsion bar stabiliser
- Shock absorber front/rear: gas-pressure shock absorbers
- Steering: recirculating-ball parameter power steering
- Brake system (foot brake): two independent electrohydraulic brake systems, Sensotronic Brake Control with antilock system and Brake Assist; internally ventilated four-wheel disc brakes
- Parking brake (hand brake): mechanical (foot-operated), acting on rear wheels
- Wheels: light-alloy wheels
- Wheel rims: 8 J x 19 H 2
- Tires: 275/50 R 19
- Driven wheels: rear wheels
- Drivetrain: divided cardan shaft
- Gearing: 5-speed automatic transmission
- Availibility: as standard
- Shifting: central floor gear shift lever
- Clutch: hydraulic torque converter with lock-up clutch (governed)
- Transmission type: planetary gear system
- Gear ratios: I. 3.60; II. 2.19; III. 1.41; IV. 1.0; V. 0.83; R. 3.17
- Final drive ratio: 2.82
- Maximum speed: 250 km/h (electronically governed)
- Acceleration 0-100 km/h: 5.2 s
- Fuel consumption: 24.5 / 11.0 / 15.9 l
- by Guideline: 93/116/EC; figures apply to City (urban) / EUDC (extra-urban) / NEDC (New European Driving Cycle, average from <36.8%> City and <63.2%> EUDC)
- Wheelbase: 3390 mm
- Front / rear track: 1675 / 1695 mm
- Length: 5728 mm
- Width: 1980 mm
- Height: 1572 mm
- Kerb weight: 2735 kg
- by Guideline: EC 92/21 (including driver, 68 kg, and baggage, 7 kg; tank 90 % full)
- Gross weight: 3260 kg
- Units produced: 1,104
- Prices: 05.2002: EUR 359,600.00
02.2004: EUR 365,400.00
01.2005: EUR 370,852.00
02.2006: EUR 374,564.00
01.2007: EUR 384,251.00
07.2007: EUR 390,201.00
03.2010: EUR 405.671,00