General information| Construction designation: | W 123 E 23 |
| Type: | 123.223 |
| Production period: | 10.1979 / 07.1980 - 11.1985 |
| Produced units: | 245588 |
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Driving performance and consumption| Top Speed: | 180 km/h (Manual transmission)
175 km/h (Automatic) |
| Acceleration: | 11,5 s (Manual transmission)
12,3 s (Automatic) |
| Fuel Consumption: | 8,1 / 10,3 / 12,9 l (4-speed manual transmission)
8,6 / 11,0 / 13,1 l (until 4/83) (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): | 1360 kg |
| Permitted total weight: | 1880 kg |
| Permitted axle load in front: | 880 kg |
| Permitted axle load in rear: | 1000 kg |
| Payload: | 520 kg |
| Permissible trailer load (braked): | 1500 kg |
| Permissible trailer load (unbraked): | 715 kg |
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Engine data| Working method: | Four-stroke Otto (with intake manifold injection) |
| Positioning of the engine: | front, longitudinal; standing |
| Engine type / model: | M 102 E 23 / 102.980 |
| Number and arrangement of cylinders: | 4 / in-line; 15° inclined to the rig |
| Bore and stroke: | 95,5 x 80,25 mm |
| Total cubic capacity: | 2299 ccm (according to the tax formula 2276 ccm) |
| Compression ratio: | 9 |
| Crankshaft bearings: | 5 |
| Output / at: | 136 hp / 100 kW at 5100 /min |
| Torgue / at: | 205 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: | Intake manifold injection, mechanically controlled (Bosch K-Jetronic) |
| Cooling system: | Water cooling / Pump; 8,5 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 / 65 l |
| Fuel transportation: | Electric feed 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 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, 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 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: | 3,58 |
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Selling price without extras (incl. VAT)| Date of the price list and selling price: |
| 06.1980: DM 25.221,60 |
| 08.1980: DM 25.696,20 |
| 07.1981: DM 26.588,90 |
| 09.1981: DM 26.724,50 |
| 01.1982: DM 27.459,00 |
| 07.1982: DM 28.125,70 |
| 09.1982: DM 28.944,95 |
| 07.1983: DM 29.201,10 |
| 08.1983: DM 30.153,00 |
| 01.1984: DM 30.859,80 |
| 09.1984: DM 31.749,00 |
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