- Combustion principle: four-stroke Diesel (with indirect injection)
- Configuration: front, longitudinal; vertical
- Engine type: OM 615 D 20 / 615.940
- Number of cylinders / arrangement: 4 / in-line
- Bore x Stroke: 87.0 x 83.6 mm
- Total displacement: 1988 cc (tax classification: 1971 cc)
- Compression ratio: 21,5
- Rated output: 55 hp / 40 kW at 4200 rpm; from 02.1979: 60 hp / 44 kW at 4400 rpm
- Rated torque: 113 Nm at 2400 rpm
- Number of valves / arrangement: 1 intake, 1 exhaust / overhead
- Valve operation: 1 overhead camshaft
- Camshaft drive: double roller chain
- Fuel system: indirect injection, mechanically controlled; Bosch 4-plunger injection pump
- Fuel tank: position / capacity: above the rear axle / 65 l
- Frame design: steel unit body
- Front-wheel suspension: double wishbone
- Rear-wheel suspension: semi-trailing arm axle (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 st. (power st. optional, from 09.1982 as standard)
- Brake system (foot brake): hydraulic dual-circuit brake system with vacuum booster, antilock system optional from 08.1980; four-wheel disc brakes
- Parking brake (hand brake): mechanical (foot-operated), acting on rear wheels
- Wheels: sheet-steel wheels (light-alloy wheels optional from 01.1978)
- Wheel rims: 5 1/2 J x 14 H 2
- Tires: 175 SR 14 88 S
- Driven wheels: rear wheels
- Drivetrain: divided cardan shaft
- Gearing: 4-speed manual transmission
- Availibility: as standard (until 09.1980)
- Shifting: central floor gear shift lever
- Clutch: dry single-disc clutch
- Transmission type: change-speed gear
- Gear ratios: I. 3.90; II. 2.30; III. 1.41; IV. 1.0; R. 3.66
- Final drive ratio: 3.92
- Maximum speed: 130 km/h; from 02.1979: 135 km/h
- Acceleration 0-100 km/h: 31.0 s; from 02.79: 27.4 s
- Fuel consumption: 7.1 / 10.2 / 9.5 l
- by Guideline: 80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
- Gearing: 4-speed manual transmission
- Availibility: as standard (10.1980 - 08.1983)
- Shifting: central floor gear shift lever
- Clutch: dry single-disc clutch
- Transmission type: change-speed gear
- Gear ratios: I. 3.91; II. 2.32; III. 1.42; IV. 1.0; R. 3.78
- Final drive ratio: 3.92
- Maximum speed: 135 km/h
- Acceleration 0-100 km/h: 27.4 s
- Fuel consumption: 7.1 / 10.2 / 9.5 l
- by Guideline: 80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
- Gearing: 4-speed manual transmission
- Availibility: as standard (from 09.1983)
- Shifting: central floor gear shift lever
- Clutch: dry single-disc clutch
- Transmission type: change-speed gear
- Gear ratios: I. 4.23; II. 2.36; III. 1.49; IV. 1.0; R. 4.10
- Final drive ratio: 3.92
- Maximum speed: 135 km/h
- Acceleration 0-100 km/h: 27.4 s
- Fuel consumption: 7.1 / 10.2 / 9.5 l
- by Guideline: 80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
- Gearing: 5-speed manual transmission
- Availibility: optional (from 02.1982)
- Shifting: central floor gear shift lever
- Clutch: dry single-disc clutch
- Transmission type: change-speed gear
- Gear ratios: I. 3.82; II. 2.20; III. 1.40; IV. 1.0; V. 0.81; R. 3.71
- Final drive ratio: 3.92
- Maximum speed: 135 km/h
- Acceleration 0-100 km/h: 27.4 s
- Fuel consumption: 6.6 / 9.3 / 9.5 l
- by Guideline: 80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
- Gearing: 4-speed automatic transmission
- Availibility: optional (until 06.1983)
- Shifting: central floor gear shift lever
- Clutch: hydraulic torque converter in automatic transmission
- Transmission type: planetary gear system
- Gear ratios: I. 3.98; II. 2.39; III. 1.46; IV. 1.0; R. 5.47
- Final drive ratio: 3.92
- Maximum speed: 125 km/h; from 02.1979: 130 km/h
- Acceleration 0-100 km/h: 33.2 s; from 02.79: 29.4 s
- Fuel consumption: 8.5 / 11.7 / 9.5 l
- by Guideline: 80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
- Gearing: 4-speed automatic transmission
- Availibility: optional (from 07.1983)
- Shifting: central floor gear shift lever
- Clutch: hydraulic torque converter in automatic transmission
- Transmission type: planetary gear system
- Gear ratios: I. 3.90; II. 2.30; III. 1.41; IV. 1.0; R. 3.66
- Final drive ratio: 3.92
- Maximum speed: 130 km/h
- Acceleration 0-100 km/h: 29.4 s
- Fuel consumption: 7.7 / 10.7 / 9.5 l
- by Guideline: 80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
- Wheelbase: 2795 mm
- Front / rear track: 1488 / 1446 mm
- Length: 4725 mm
- Width: 1786 mm
- Height: 1438 mm
- Kerb weight: 1390 kg
- by Guideline: DIN 70020 (ready to drive, including fuel, spare wheel and tool kit)
- Gross weight: 1910 kg
- Units produced: 378,138
- Prices: 01.1976: DM 18,870.00
02.1977: DM 19,536.00
01.1978: DM 19,712.00
04.1978: DM 20,484.80
12.1978: DM 20,899.20
02.1979: DM 21,347.20
05.1979: DM 21,543.20
01.07.1979: DM 21,735.55
16.07.1979: DM 22,159.30
03.1980: DM 23,029.40
08.1980: DM 23,458.80
07.1981: DM 24,272.40
01.1982: DM 24,939.10
07.1982: DM 25,549.30
09.1982: DM 26,368.55
07.1983: DM 26,601.90
08.1983: DM 27,417.00
01.1984: DM 28,055.40
09.1984: DM 28,887.60