- 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 103 E 30 / 103.983
- Number of cylinders / arrangement: 6 / in-line; 15° inclination to the right
- Bore x Stroke: 88.5 x 80.2 mm
- Total displacement: 2960 cc
- Compression ratio: 9.2
- Rated output: 180 hp / 132 kW at 5700 rpm
- Rated torque: 255 Nm at 4400 rpm
- Number of valves / arrangement: 1 intake, 1 exhaust / V-shaped overhead
- Valve operation: 1 overhead camshaft
- Camshaft drive: single roller chain
- Fuel system: manifold injection, mechanically-electronically controlled~(Bosch KE-Jetronic)
- Fuel tank: position / capacity: behind the rear axle / 72 l
- Frame design: steel unit body
- Front-wheel suspension: A-arm / shock-absorber strut
- Rear-wheel suspension: multilink suspension with hydropneumatic level control
- Front springs: coil springs, torsion bar stabiliser
- Rear springs: coil springs, hydropneumatic spring struts, torsion bar stabiliser
- Shock absorber front/rear: gas-pressure shock absorber struts / gas-pressure shock absorbers
- Steering: recirculating-ball power steering
- Brake system (foot brake): hydraulic dual-circuit brake system with vacuum booster and antilock system;~disc brakes front (internally ventilated) and rear
- Parking brake (hand brake): mechanical (foot-operated), acting on rear wheels
- Wheels: sheet-steel wheels (light-alloy wheels optional)
- Wheel rims: 6 1/2 J x 15 H 2; with sports suspension: 7 J x 15 H 2
- Tires: 195/65 R 15 91 V; with sports suspension: 205/60 ZR 15
- Driven wheels: rear wheels
- Drivetrain: divided cardan shaft
- Gearing: 5-speed manual transmission
- Availibility: as standard
- Shifting: central floor gear shift lever
- Clutch: dry single-disc clutch
- Transmission type: change-speed gear
- Gear ratios: I. 3.86; II. 2.18; III. 1.38; IV. 1.0; V. 0.80; R. 4.22
- Final drive ratio: 3.92
- Maximum speed: 212 km/h
- Acceleration 0-100 km/h: 9.1 s
- Fuel consumption: 8.4 / 10.7 / 15.2 l
- by Guideline: 80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
- Gearing: 4-speed automatic transmission
- Availibility: optional
- Shifting: central floor gear shift lever
- Clutch: hydraulic torque converter in automatic transmission
- Transmission type: planetary gear system
- Gear ratios: I. 3.87; II. 2.25; III. 1.44; IV. 1.0; R. 5.59
- Final drive ratio: 3.27
- Maximum speed: 207 km/h
- Acceleration 0-100 km/h: 9.1 s
- Fuel consumption: 9.4 / 11.6 / 13.8 l
- by Guideline: 80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
- Wheelbase: 2800 mm
- Front / rear track: 1497 mm ("Sportline": 1518 / 1509 mm
- Length: 4765 mm
- Width: 1740 mm
- Height: 1489 mm ("Sportline": 1458 mm)
- Kerb weight: 1530 kg
- by Guideline: DIN 70020 (ready to drive, including fuel, spare wheel and tool kit)
- Gross weight: 2120 kg
- Units produced: a total of 41,775 (from 05.1985)
- Prices: 09.1989: DM 62,871.00
01.1990: DM 64,467.00
10.1990: DM 66,576.00
06.1991: DM 68,685.00
02.1992: DM 70,908.00