- Combustion principle: four-stroke petrol (with manifold injection; emission control system with closed-loop 3-way catalyst as an option, from 09.1986 as standard)
- Configuration: front, longitudinal; vertical
- Engine type: M 103 E 30 / 103.982
- Number of cylinders / arrangement: 6 / in-line; 15° inclination to the right
- Bore x Stroke: 88.5 x 80.25 mm
- Total displacement: 2962 cc (tax classification: 2932 cc)
- Compression ratio: 9.2
- Rated output: 188 hp / 138 kW (with catalyst 180 hp / 132 kW) at 5700 rpm
- Rated torque: 26.0 mkg (with catalyst 25.5 mkg) 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: above the rear axle / 85 l
- Frame design: steel unit body
- Front-wheel suspension: double wishbone
- Rear-wheel suspension: semi-trailing arm axle
- Front springs: coil springs, supplementary rubber suspension, torsion bar stabiliser
- Rear springs: coil springs, supplementary rubber suspension, torsion bar stabiliser
- Shock absorber front/rear: telescopic shock absorbers
- Steering: recirculating-ball power steering
- Brake system (foot brake): hydraulic dual-circuit brake system with vacuum booster, antilock system optional (standard from 12.1986); disc brakes front (internally ventilated) and rear
- Parking brake (hand brake): mechanical (foot-operated), acting on rear wheels
- Wheels: light-alloy wheels
- Wheel rims: 7 J x 15 H 2
- Tires: 205/65 VR 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: 3.46
- Maximum speed: 203 km/h; with catalyst: 200 km/h
- Acceleration 0-100 km/h: 9.6 s; with catalyst: 9.9 s
- Fuel consumption: 8.1 / 10.2 / 14.5 l; with catalyst: 8.3 / 10.4 / 14.9 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. 3.68; II. 2.41; III. 1.44; IV. 1.0; R. 5.14
- Final drive ratio: 3.46
- Maximum speed: 198 km/h; (with catalyst: 195 km/h
- Acceleration 0-100 km/h: 9.4 s; with catalyst: 9.8 s
- Fuel consumption: 9.4 / 11.6 / 14.0 l; with catalyst: 9.8 / 12.1 / 14.4 l
- by Guideline: 80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
- Wheelbase: 2460 mm
- Front / rear track: 1465 / 1466 mm
- Length: 4390 mm
- Width: 1790 mm
- Height: 1305 mm (with cabriolet top closed)
- Kerb weight: 1510 kg (with hardtop 1550 kg)
- by Guideline: DIN 70020 (ready to drive, including fuel, spare wheel and tool kit)
- Gross weight: 1930 kg
- Units produced: 13,742
- Prices: 09.1985: DM 63,441.00
12.1985: DM 64,581.00
09.1986: DM 69,255.00
06.1987: DM 71,250.00
02.1988: DM 72,960.00
09.1988: DM 73,302.00
02.1989: DM 75,126.00
(prices including hardtop and roadster soft top)