General information| Construction designation: | S 123 V 25 |
| Type: | 123.086 |
| Production period: | 09.1977 / 05.1978 - 08.1982 |
| Produced units: | 7704 |
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Driving performance and consumption| Top Speed: | 185 km/h (Manual transmission)
180 km/h (Automatic) |
| Acceleration: | 11,9 s (Manual transmission)
12,9 s (Automatic) |
| Fuel Consumption: | 9,8 / 12,1 / 16,4 l (4-speed manual transmission)
10,1 / 12,9 / 16,0 l (until 9/81) (Automatic)) |
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Dimensions and Weights| Wheelbase: | 2795 mm |
| Track front / rear: | 1488 / 1453 mm |
| Length: | 4725 mm |
| Width: | 1786 mm |
| Height: | 1470 mm (with roof rails) |
| Smallest turning circle: | 11,29 m |
| Unladen weight (car weight): | 1510 kg |
| Permitted total weight: | 2130 kg |
| Permitted axle load in front: | 930 kg |
| Permitted axle load in rear: | 1200 kg |
| Payload: | 620 kg |
| Permissible trailer load (braked): | 1200 kg; from 1980: 1500 kg |
| Permissible trailer load (unbraked): | 750 kg |
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Engine data| Working method: | Four-stroke Otto |
| Positioning of the engine: | front, longitudinal; standing |
| Engine type / model: | M 123 V 25 / 123.920 |
| Number and arrangement of cylinders: | 6 / in-line |
| Bore and stroke: | 86,0 x 72,45 mm |
| Total cubic capacity: | 2525 ccm (according to the tax formula 2492 ccm) |
| Compression ratio: | 8,7; from 09.1979: 9, |
| Crankshaft bearings: | 4 |
| Output / at: | 129 hp / 95 kW at 5500 /min; from 09.1979: 140 hp / 103 kW at 5500 /min |
| Torgue / at: | 196 Nm at 3500 /min; from 09.1979: 200 Nm at 3500 /min |
Number of valves
/ arrangement per cylinder: | 1 Inlet, 1 Outlet / overhead |
| Valve control: | overhead camshaft |
| Camshaft drive: | Simple roller chain |
| Carburation: | 1 Double-Register downdraught carburettor Solex 4 A 1 |
| Cooling system: | Water cooling / Pump; 10 l Water |
| Lubrication: | pressure circulation lubrication / |
| Electrical system: | 12 V |
| Battery: | 55 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 / 70 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 with hydropneumatic level control |
| Suspension, front: | coil springs, rubber auxiliary springs, torsion bar stabilizer |
| Suspension, rear: | coil springs, hydropneumatic suspencion struts, torsion bar stabilizer |
| Shock absorbers front/rear: | hydraulic telescopic shock absorbers / hydropneumatic suspencion struts |
| Steering system: | recirculating ball steering; by request power steering (from 08.1978 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, by request alloy disc wheels |
| Rims: | 6 J x 14 H 2 |
| Tyres: | 195/70 HR 14 90 H |
| Driven wheels: | rear wheels |
| Power transmission: | split cardan-shaft |
| Final drive ratio: | 3,69; with manual transmission from 10/81: 3,58 |
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Selling price without extras (incl. VAT)| Date of the price list and selling price: |
| 04.1978: DM 27.854,40 |
| 08.1978: DM 28.784,00 |
| 12.1978: DM 29.030,40 |
| 05.1979: DM 29.226,40 |
| 01.07.1979: DM 29.487,35 |
| 16.07.1979: DM 29.752,90 |
| 09.1979: DM 30.261,40 |
| 03.1980: DM 30.600,40 |
| 08.1980: DM 31.108,90 |
| 07.1981: DM 32.080,70 |
| 09.1981: DM 32.216,30 |
| 01.1982: DM 33.097,70 |
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