- Combustion principle: four-stroke petrol (with manifold injection)
- Configuration: front, longitudinal; vertical
- Engine type: M 117 E 45 / 117.983, from 11.1975: 117.986
- Number of cylinders / arrangement: 8 / 90° V
- Bore x Stroke: 92 x 85 mm
- Total displacement: 4520 cc (tax classification: 4489 cc)
- Compression ratio: 8.8
- Rated output: 225 hp / 165 kW at 5000 rpm;~from 11.1975: 217 hp / 165 kW at 5000 rpm;~from 04.1978: 225 hp / 165 kW at 5000 rpm
- Rated torque: 38.5 mkg at 3000 rpm; from 11.1975: 36.7 mkg at 3250 rpm;~from 04.1978: 37.5 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, electronically controlled (Bosch D-Jetronic);~from 11.1975 mechanically controlled (Bosch K-Jetronic)
- Fuel tank: position / capacity: above the rear axle / 96 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), hydropneumatic level control optional
- 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 from 12.1978; 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-B
- Tires: 205/70 VR 14
- Driven wheels: rear wheels
- Drivetrain: divided cardan shaft
- Gearing: 3-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: 2.31; II: 1.46; III: 1.0; R: 1.84
- Final drive ratio: 3.07
- Maximum speed: 210 km/h
- Acceleration 0-100 km/h: 9.9 s
- Fuel consumption: 14.5 l
- by Guideline: DIN 70030: consumption, determined at 3/4 of top-speed (not more than 110 km/h), plus 10 %
- Wheelbase: 2960 mm
- Front / rear track: 1521 / 1505 mm
- Length: 5060 mm
- Width: 1870 mm
- Height: 1430 mm
- Kerb weight: 1765 kg
- by Guideline: DIN 70020 (ready to drive, including fuel, spare wheel and tool kit)
- Gross weight: 2285 kg
- Units produced: 59,578
- Prices: 03.1973: DM 38,572.50
02.1974: DM 40,304.10
06.1974: DM 42,002.40
02.1975: DM 44,444.40
02.1977: DM 45,789.60
01.1978: DM 46,211.20
04.1978: DM 48,496.00
12.1978: DM 49,481.60
05.1979: DM 49,677.60
01.07.1979: DM 50,121.15
16.07.1979: DM 51,087.30