- Combustion principle: four-stroke petrol (with manifold injection)
- Configuration: front, longitudinal; vertical
- Engine type: M 116 E 38 / 116.960, from 10.1981: 116.962
- Number of cylinders / arrangement: 8 / 90° V; light-alloy block
- Bore x Stroke: 92 x 71.8 mm, from 10.1981: 88 x 78.9 mm
- Total displacement: 3818 cc (tax 3776 cc), from 10.1981: 3839 cc (tax 3793 cc)
- Compression ratio: 9.0; from 10.1981: 9.4
- Rated output: 218 hp / 160 kW at 5500 rpm;~from 10.1981: 204 hp / 150 kW at 5250 rpm
- Rated torque: 30.5 mkg at 4000/min; from 10.1981: 32.1 mkg at 3250 rpm
- Number of valves / arrangement: 1 intake, 1 exhaust / overhead
- Valve operation: 1 overhead camshaft per cylinder bank
- Camshaft drive: double roller chain
- Fuel system: manifold injection, mechanically controlled (Bosch K-Jetronic)
- Fuel tank: position / capacity: above the rear axle / 90 l; since 10.1981: 85 l
- Frame design: steel unit body
- Front-wheel suspension: double wishbone
- Rear-wheel suspension: twist-beam axle (semi-trailing arm axle with starting- and braking-torque compensation)
- 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; 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 14 H 2
- Tires: 205/70 VR 14
- Driven wheels: rear wheels
- Drivetrain: divided cardan shaft
- Gearing: 4-speed automatic transmission
- Availibility: as standard
- 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: 3.27; from 10.1981: 2.47
- Maximum speed: 215 km/h; from 10.1981: 205 km/h
- Acceleration 0-100 km/h: 9.0 s; from 10.81: 9.8 s
- Fuel consumption: 11.1 / 13.6 / 19.0 l; from 10.1981: 9.2 / 11.3 / 14.2 l
- by Guideline: 80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
- Wheelbase: 2455 mm
- Front / rear track: 1452 / 1440 mm
- Length: 4390 mm
- Width: 1790 mm
- Height: 1300 mm (with cabriolet top closed)
- Kerb weight: 1540 kg (with hardtop 1580 kg)
- by Guideline: DIN 70020 (ready to drive, including fuel, spare wheel and tool kit)
- Gross weight: 1960 kg
- Units produced: 53,200
- Prices: 03.1980: DM 54,014.00
08.1980: DM 55,031.00
07.1981: DM 56,918.10
09.1981: DM 57,946.40
01.1982: DM 59,539.70
07.1982: DM 61,415.50
09.1982: DM 61,811.00
07.1983: DM 62,358.00
08.1983: DM 64,353.00
01.1984: DM 66,063.00
09.1984: DM 68,571.00
12.1984: DM 71,517.90
04.1985: DM 74,043.00
(prices including hardtop and roadster soft top)