General informationConstruction designation: | W 123 D 20 |
Type: | 123.120 |
Production period: | 07.1975 / 02.1976 - 04.1985 |
Produced units: | 378138 |
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Driving performance and consumptionTop Speed: | 130 km/h; from 02.79: 135 km/h (Manual transmission) 125 km/h; from 02.79: 130 km/h (Automatic) |
Acceleration: | 31,0 s; from 02.79: 27,4 s (Manual transmission) 33,2 s; from 02.79: 29,7 s (until 06/83) (Automatic) |
Fuel Consumption: | 7,1 / 10,2 / 9,5 l (4-speed manual transmission) 8,5 / 11,7 / 9,5 l (until 06/83) (Automatic)) |
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Dimensions and WeightsWheelbase: | 2795 mm |
Track front / rear: | 1488 / 1446 mm |
Length: | 4725 mm |
Width: | 1786 mm |
Height: | 1438 mm |
Smallest turning circle: | 11,25 m; with power steering 11,29 m |
Unladen weight (car weight): | 1390 kg |
Permitted total weight: | 1910 kg |
Permitted axle load in front: | 915 kg |
Permitted axle load in rear: | 995 kg |
Payload: | 520 kg |
Permissible trailer load (braked): | 1200 kg; from 1980: 1500 kg |
Permissible trailer load (unbraked): | 735 kg |
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Engine dataWorking method: | Four-stroke diesel (with pre-chamber injection) |
Positioning of the engine: | front, longitudinal; standing |
Engine type / model: | OM 615 D 20 / 615.940 |
Number and arrangement of cylinders: | 4 / in-line |
Bore and stroke: | 87,0 x 83,6 mm |
Total cubic capacity: | 1988 ccm (according to the tax formula 1971 ccm) |
Compression ratio: | 21,5 |
Crankshaft bearings: | 5 |
Output / at: | 55 hp / 40 kW at 4200 /min; from 02.1979: 60 hp / 44 kW at 4400 /min |
Torgue / at: | 113 Nm at 2400 /min |
Number of valves / arrangement per cylinder: | 1 Inlet, 1 Outlet / overhead |
Valve control: | overhead camshaft |
Camshaft drive: | Duplex-Rollenkette |
Carburation: | Pre-chamber injection, mechanically controlled; Bosch 4-stroke injection pump |
Cooling system: | Water cooling / Pump; 10 l Water |
Lubrication: | pressure circulation lubrication / |
Electrical system: | 12 V |
Battery: | 66 Ah, from 02.1979: 88 Ah / in the engi |
Generator: | three-phase current / 490 W; from 02. |
Starter motor: | electrical / 2,0 kW; from 1980: 2,3 k |
Ignition: | Self-igniter |
Fuel tank - arrangement and capacity: | above the rear axle / 65 l |
Fuel transportation: | Piston pump at the Injection pump |
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Chassis / Steering / Brakes / Power transmissionVehicle frame construction: | self-supporting all-steel body |
Wheel suspension, front: | Double-wishbone front axle with Torsion bar stabilizer |
Wheel suspension, rear: | Diagonal swing axle, on request with hydropneumatic level control |
Suspension, front: | coil springs, rubber auxiliary springs, torsion bar stabilizer |
Suspension, rear: | coil springs, rubber auxiliary springs, torsion bar stabilizer |
Shock absorbers front/rear: | hydraulic telescopic shock absorbers |
Steering system: | recirculating ball steering; by request power steering (from 09.1982 standard) |
Steering ratio: | 22,36:1 / 4,3 steering wheel turns; with power steering: 16,55:1 / 3,2 L. |
Braking system (foot brake): | hydraulic two-circuit braking system with vacuum brake power booster, from 08.1980 on request with anti-lock braking system; disc brakes front and rear |
Parking brake (Handbrake): | mechanical (foot-operated), acting on rear wheels |
ø of the brake discs or brake drums front/rear: | brake discs front / rear: 278 / 279 mm |
Wheels: | sheet steel disc wheels, from 01.1978 by request alloy wheels |
Rims: | 5 1/2 J x 14 H 2 |
Tyres: | 175 SR 14 88 S |
Driven wheels: | rear wheels |
Power transmission: | split cardan-shaft |
Final drive ratio: | 3,92 |
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Selling price without extras (incl. VAT)Date of the price list and selling price: |
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 |
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