- 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 102 E 18 / 102.910
- Number of cylinders / arrangement: 4 / in-line; 15° inclination to the right
- Bore x Stroke: 89.0 x 72.2 mm
- Total displacement: 1797 cc
- Compression ratio: 9.0
- Rated output: 109 hp / 80 kW at 5500 rpm
- Rated torque: 150 Nm at 3700 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 / 55 l
- Frame design: steel unit body
- Front-wheel suspension: A-arm / shock-absorber strut
- Rear-wheel suspension: multilink suspension (hydropneumatic level control optional)
- Front springs: coil springs, torsion bar stabiliser
- Rear springs: coil springs, 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, antilock system optional (from 10.1992 as standard); four-wheel disc brakes
- Parking brake (hand brake): mechanical (manually operated), acting on rear wheels
- Wheels: sheet-steel wheels (light-alloy wheels optional)
- Wheel rims: 6 J x 15 H 2; with sports suspension: 7 J x 15 H 2
- Tires: 185/65 R 15 87 H; with sports suspension: 205/55 R 15 87 H
- Driven wheels: rear wheels
- Drivetrain: divided cardan shaft
- Gearing: 4-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. 3.91; II. 2.17; III. 1.37; IV. 1.0; R. 3.78
- Final drive ratio: 3.46
- Maximum speed: 185 km/h (with catalyst)
- Acceleration 0-100 km/h: 12.3 s (with catalyst)
- Fuel consumption: 7.0 / 8.8 / 11.0 l (with catalyst)
- by Guideline: 80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
- Gearing: 5-speed manual transmission
- Availibility: optional
- Shifting: central floor gear shift lever
- Clutch: dry single-disc clutch
- Transmission type: change-speed gear
- Gear ratios: I. 3.91; II. 2.17; III. 1.37; IV. 1.0; V. 0.81; R. 4.27
- Final drive ratio: 3.64
- Maximum speed: 185 km/h (with catalyst)
- Acceleration 0-100 km/h: 12.3 s (with catalyst)
- Fuel consumption: 6.7 / 8.7 / 11.3 l (with catalyst)
- 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. 4.25; II. 2.41; III. 1.49; IV. 1.0; R. 5.67
- Final drive ratio: 3.46
- Maximum speed: 180 km/h (with catalyst)
- Acceleration 0-100 km/h: 13.0 s (with catalyst)
- Fuel consumption: 7.5 / 9.3 / 11.0 l (with catalyst)
- by Guideline: 80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
- Wheelbase: 2665 mm
- Front / rear track: 1441 1421 mm ("Sportline": 1452 / 1432 mm
- Length: 4448 mm
- Width: 1690 mm
- Height: 1375 mm ("Sportline": 1353 mm)
- Kerb weight: 1160 kg; from 01.1991: 1170 kg
- by Guideline: DIN 70020 (ready to drive, including fuel, spare wheel and tool kit)
- Gross weight: 1660 kg; from 01.1991: 1670 kg; from 01.1992: 1720 kg
- Units produced: 173,354
- Prices: 02.1990: DM 33,117.00
10.1990: DM 34,143.00
06.1991: DM 35,169.00
02.1992: DM 35,910.00
10.1992: DM 38,874.00
01.1993: DM 40,365.00