General information| Construction designation: | W 123 V 20 |
| Type: | 123.020 |
| Production period: | 07.1975 / 02.1976 - 08.1980 |
| Produced units: | 158772 |
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Driving performance and consumption| Top Speed: | 160 km/h (Manual transmission)
155 km/h (Automatic) |
| Acceleration: | 15,2 s (Manual transmission)
16,3 s (Automatic) |
| Fuel Consumption: | 9,4 / 12,5 / 15,1 l (4-speed manual transmission)
10,0 / 13,4 / 14,6 l (Automatic)) |
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Dimensions and Weights| Wheelbase: | 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): | 1340 kg |
| Permitted total weight: | 1860 kg |
| Permitted axle load in front: | 880 kg |
| Permitted axle load in rear: | 980 kg |
| Payload: | 520 kg |
| Permissible trailer load (braked): | 1200 kg |
| Permissible trailer load (unbraked): | 705 kg |
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Engine data| Working method: | Four-stroke Otto |
| Positioning of the engine: | front, longitudinal; standing |
| Engine type / model: | M 115 V 20 / 115.938 |
| Number and arrangement of cylinders: | 4 / in-line |
| Bore and stroke: | 87 x 83,6 mm |
| Total cubic capacity: | 1988 ccm (according to the tax formula 1971 ccm) |
| Compression ratio: | 9 |
| Crankshaft bearings: | 5 |
| Output / at: | 94 hp / 69 kW at 4800 /min |
| Torgue / at: | 158 Nm at 3000 /min |
Number of valves
/ arrangement per cylinder: | 1 Inlet, 1 Outlet / overhead |
| Valve control: | overhead camshaft |
| Camshaft drive: | Duplex roller chain |
| Carburation: | 1 Flat flow gasifier Stromberg 175 CDT |
| Cooling system: | Water cooling / Pump; 10,5 l Water |
| Lubrication: | pressure circulation lubrication / |
| Electrical system: | 12 V |
| Battery: | 44 Ah / in the engine compartment |
| Generator: | three-phase current / 770 W |
| Starter motor: | electrical / 1,5 kW |
| Ignition: | Battery ignition |
Fuel tank -
arrangement and capacity: | above the rear axle / 65 l |
| Fuel transportation: | Diaphragm pump |
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Chassis / Steering / Brakes / Power transmission| Vehicle 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 recirculating ball power steering |
| 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; 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 18.381,60 |
| 02.1977: DM 19.025,40 |
| 01.1978: DM 19.196,80 |
| 04.1978: DM 19.857,60 |
| 12.1978: DM 20.260,80 |
| 05.1979: DM 20.456,80 |
| 01.07.1979: DM 20.639,45 |
| 16.07.1979: DM 21.040,60 |
| 03.1980: DM 21.865,50 |
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