- Combustion principle: four-stroke petrol (with manifold injection and emission control system with closed-loop 3-way catalyst)
- Configuration: front, longitudinal; vertical
- Engine type: M 273 E 55 / 273.960
- Number of cylinders / arrangement: 8 / 90° V; light-alloy block
- Bore x Stroke: 98.0 x 90.5 mm
- Total displacement: 5461 cc
- Compression ratio: 10.7
- Rated output: 285 kW / 388 hp at 6000 rpm
- Rated torque: 530 Nm at 2800 - 4800 rpm
- Number of valves / arrangement: 2 intake, 2 exhaust / V-shaped overhead
- Valve operation: 2 overhead camshafts per cylinder bank (variable adjustment)
- Camshaft drive: intake camshafts via double roller chain, outlet camshafts via gearwheel engagement with intake camshafts
- Fuel system: microprocessor controlled injection system with hot-film air mass sensor (Bosch ME engine management)
- Fuel tank: position / capacity: above the rear axle / 80 l
- Frame design: steel unit body
- Front-wheel suspension: four-link suspension / air suspension strut with level control
- 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: rack-and-pinion parameter power steering
- Brake system (foot brake): ADAPTIVE BRAKE electronically controlled hydraulic dual-circuit brake system with vacuum booster, antilock system and Brake Assist; internally ventilated disc brakes front and rear
- Parking brake (hand brake): mechanical (foot-operated), acting on rear wheels
- Wheels: light-alloy wheels
- Wheel rims: 8 J x 17 H 2
- Tires: 245/45 R 17 95 W
- Driven wheels: rear wheels
- Drivetrain: divided cardan shaft
- Gearing: 7-speed automatic transmission (electronically controlled)
- 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. 4.38; II. 2.86; III. 1.92; IV. 1.37; V. 1.0; VI. 0.82; VII. 0.73; R. 3.42
- Final drive ratio: 2.47
- Maximum speed: 250 km/h (electronically governed)
- Acceleration 0-100 km/h: 5.3 s
- Fuel consumption: 16.9 / 8.2 / 11.5 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: 2854 mm
- Front / rear track: 1559 / 1552 mm
- Length: 4856 mm
- Width: 1822 mm
- Height: 1465 mm
- Kerb weight: 1785 kg
- by Guideline: EC 92/21 (including driver, 68 kg, and baggage, 7 kg; tank 90 % full)
- Gross weight: 2310 kg
- Units produced: 8,164
- Prices: 04.2006: EUR 62,582.00
08.2006: EUR 62,872.00
01.2007: EUR 64,498.00
07.2007: EUR 64,914.50