The Mercedes-Benz 250 is a rear wheel drive motor vehicle, with its engine positioned in the front, and a 4 door saloon (sedan) body designed by Friedrich Geiger.
It forms part of Mercedes-Benz's W 123 family of cars.
The 6 cylinder, single overhead camshaft naturally aspirated engine has 2 valves per cylinder and a displacement of 2.5 litres. In this application it develops power and torque figures of 127 bhp (129 PS/95 kW) at 5500 rpm and 196 Nm (145 lbft/20 kgm) at 3500 rpm respectively.
The engine supplies its power through to the wheels via a 4 speed automatic gearbox.
It is claimed to achieve a maxiumum speed of 175 km/h (109 mph).
Full specs
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| Karosserie | |||
|---|---|---|---|
| Karosserie | 4/5 seater sedan/saloon | ||
| Anzahl türen | 4 | ||
| Entwerfer | Friedrich Geiger | ||
| Maße und Gewicht | |||
| Radstand | 2795 | 110 Zoll | |
| Spurweite vorn | 1488 | 58.6 Zoll | |
| Spurweite hinten | 1446 | 56.9 Zoll | |
| Länge | 4725 | 186 Zoll | |
| Breite | 1786 | 70.3 Zoll | |
| Höhe | 1438 | 56.6 Zoll | |
| Bodenfreiheit | |||
| 1.69 | |||
| Leergewicht | |||
| Gewichtsverteilung (vorn) | |||
| Tankinhalt | 65 litres | 14.3 [17.2] UK [US] gal. | |
| Aerodynamik | |||
| Luftwiderstandsbeiwert | |||
| Stirnfläche | |||
| CdA | |||
| Motorisierung | |||
| naturally aspirated petrol | |||
| Motor Hersteller | Mercedes-Benz | ||
| Motor-Typ | M 123 V 25/123.920 | ||
| Anzahl zylinders | Straight 6 | ||
| Hubraum | 2.5 litre 2525 cc (154.085 cu in) |
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| Bohrung × Hub | 86 × 72.45 mm
3.39 × 2.85 in |
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| Bohrung/Hub Verhältnis | 1.19 | ||
| Verteilung | single overhead camshaft (SOHC)
2 Ventile pro Zylinder 12 Insgesamt Ventile |
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| Leistung (DIN) |
129 PS (127 bhp) (95 kW) bei 5500 U/min |
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| Max. Drehmoment (DIN) |
196 Nm (145 ft·lb) (20 kgm) bei 3500 U/min |
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| spezifisches Leistung (DIN) |
37.5 kW/litre 51 ps/litre 50.3 bhp/litre 0.82 bhp/cu in |
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| Spezifisches Drehmoment (DIN) |
77.62 Nm/litre
0.94 ft·lb/cu3 |
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| Engine construction | |||
| Schmierung | nassersumpf | ||
| Verdichtungsverhältnis | 8.7:1 | ||
| Vergasser/Einspritzung | 1 Solex 4 A 1 carburettor | ||
| effektiver Mitteldruck | 975.4 kPa (141.5 psi) | ||
| Höchstdrezahl | |||
| Anzahl der Kurbelwellenlager | 4 | ||
| Abkühlen | Water | ||
| Einheitszylinderinhalt | 420.83 cc | ||
| Aspiration | Normal | ||
| Kompressor-typ | N/A | ||
| Ladeluftkühler | None | ||
| Katalysator | N | ||
| Fahrleistungen | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | 12.4 s | ||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vmax/Höchstgeschwindigkeit | 175 km/h (109 mph) | ||
| Power-to-weight ratio | |||
| Weight-to-power ratio | |||
| Verbrauch | |||
| Verbrauch | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Fahrgestell | |||
| Motor Platzierung | front | ||
| Engine layout | longitudinal | ||
| Antrieb | rear wheel drive | ||
| Drehmomentverteilung | N/A | ||
| Lenkungtyp | |||
| Lenkradumdrehungen | 4.300 | ||
| Wendekruis | |||
| Radaufhängen vorn | I.DW.CS.ARB. | ||
| Radaufhängen hintern | I.STA.CS.ARB. | ||
| Rädergröße vorn | |||
| Rädergröße hintern | |||
| Reifen vorn | 175 SR 14 | ||
| Reifen hintern | 175 SR 14 | ||
| Bremsen vorn/hintern | Di/Di-S | ||
| Bremse Durchmesser vorn | |||
| Bremse Durchmesser hintern | |||
| Braked area | |||
| Getriebe | 4 gang Automatikgetriebe | ||
| Hinterachse | 1 | ||
| Hinterachse Übersetzungen | 3.69 | ||
| Allgemein | |||
| Carfolio.com ID | 339559 | ||
| Production total | |||
| Modellnummer | |||
| W 123 | |||
| RAC rating | 27.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1978 Mercedes-Benz 250 Automatic added 2013-06-18. Last modified 2020-02-02. |
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