- 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 120 E 60 / 120.981
- Number of cylinders / arrangement: 12 / 60° V; light-alloy block
- Bore x Stroke: 89.0 x 80.2 mm
- Total displacement: 5987 cc
- Compression ratio: 10.0
- Rated output: 290 kW / 394 hp at 5200 rpm
- Rated torque: 570 Nm at 3800 rpm
- Number of valves / arrangement: 2 intake, 2 exhaust / V-shaped overhead
- Valve operation: 2 overhead camshafts per cylinder bank (intake camshafts adjustable)
- Camshaft drive: double roller chain
- 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: A-arm / spring strut with hydropneumatic level control
- Rear-wheel suspension: multilink suspension with hydropneumatic level control
- Front springs: coil springs, hydropneumatic spring struts, torsion bar stabiliser
- Rear springs: coil springs, hydropneumatic spring struts, torsion bar stabiliser
- Shock absorber front/rear: hydropneumatic spring struts with variable damping
- Steering: recirculating-ball power steering
- Brake system (foot brake): hydraulic dual-circuit brake system with vacuum booster, antilock system and Brake Assist; disc brakes front (internally ventilated) and rear
- Parking brake (hand brake): mechanical (foot-operated), acting on rear wheels
- Wheels: light-alloy wheels
- Wheel rims: 8 1/4 J x 17 H 2
- Tires: 245/45 R 17 W
- 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. 3.59; II. 2.19; III. 1.41; IV. 1.0; V. 0.83; R. 3.16
- Final drive ratio: 2.65
- Maximum speed: 250 km/h (electronically governed)
- Acceleration 0-100 km/h: 6.1 s
- Fuel consumption: 23.3 / 10.9/ 15.5 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: 2515 mm
- Front / rear track: 1532 / 1523 mm
- Length: 4499 mm
- Width: 1812 mm
- Height: 1296 mm (with cabriolet top closed)
- Kerb weight: 2050 kg
- by Guideline: EC 92/21 (including driver, 68 kg, and baggage, 7 kg; tank 90 % full)
- Gross weight: 2320 kg
- Units produced: a total of 11,089 (since 08.1991)
- Prices: 06.1998: DM 225,272.00 02.1999: DM 226,432.00