The S 420 Coupé is a motor vehicle from Mercedes-Benz, with rear wheel drive, a front positioned engine and a 2 door coupé body style.
The S 420 Coupé forms part of Mercedes-Benz's C 140 range of cars.
The 8 cylinder, double overhead camshaft naturally aspirated engine has 4 valves per cylinder and a displacement of 4.2 litres. It musters power and torque figures of 275 bhp (279 PS/205 kW) at 5700 rpm and 400 Nm (295 lbft/40.8 kgm) at 3900 rpm respectively.
The engine transmits power to the wheels via a 5 speed automatic transmission.
It weighs a claimed 2080 kg at the kerb.
It is claimed to attain a top speed of 250 km/h (155 mph), claimed fuel consumption is 8.4/10.0/16.2 l/100km 90 km/h / 120 km/h / urban per 80/1268/EEC.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 4/5 seater fixed-head coupé | ||
| Nombre de portes | 2 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2945 | 115.9 | |
| Voies AV | 1614 | 63.5 | |
| Voies AR | 1587 | 62.5 | |
| Longueur | 5065 | 199.4 | |
| Largeur | 1912 | 75.3 | |
| Hauteur | 1452 | 57.2 | |
| Garde au sol | |||
| 1.72 | |||
| Poids avec pleins | 2080 kg | 4586 | |
| Répartition poids AV | |||
| Réservoir à essence | 100 litres | 22 [26.4] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| naturally aspirated petrol | |||
| Constructeur du moteur | Mercedes-Benz | ||
| Type moteur | M 119 E 42 / 119.981 | ||
| Cylinders | V 8 in 90° vee | ||
| Cylindrée | 4.2 litre 4196 cc (256.056 cu in) |
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| Alésage × Course | 92 × 78.9 mm
3.62 × 3.11 in |
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| Rapport alésage / course | 1.17 | ||
| Distribution | double overhead camshaft (DOHC)
4 Soupapes par cylindre 32 Total vannes |
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| Puissance maximale | 279 PS (275 bhp) (205 kW) à 5700 tr/mn |
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| Couple maximale | 400 Nm (295 ft·lb) (40.8 kgm) à 3900 tr/mn |
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| Specific output | 48.9 kW/litre 66.4 ps/litre 65.5 bhp/litre 1.07 bhp/cu in |
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95.33 Nm/litre
1.15 ft·lb/cu3 |
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| Construction | |||
| Lubrification | Carter humide | ||
| Taux de compression | 11:1 | ||
| Carburant | Bosch ME fuel injection | ||
| bmep (brake mean effective pressure) | 1197.9 kPa (173.7 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | 5 | ||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 524.5 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalyseur | Y | ||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | 8.5 s | ||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vitesse | 250 km/h (155 mph) | ||
| Power-to-weight ratio | Higher is better 134.05 PS/tonne (1000 kg) 0.13 PS/kg 98.59 kW/tonne (1000 kg) 0.1 kW/kg 132.21 bhp/tonne (1000 kg) 0.13 bhp/kg 0.06 bhp/lb |
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| Weight-to-power ratio | Lower is better 10.14 kg/kW 16.94 lb/bhp |
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| Consommation | |||
| Consommation | 8.4/10.0/16.2 l/100km 90 km/h / 120 km/h / urban per 80/1268/EEC | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 8.4/10.0/16.2 l/100km 90kmph/120kmph/urban | ||
| km/litre | 11.9/10.0/6.2 km/l 90kmph/120kmph/urban | ||
| UK MPG | 33.6/28.2/17.4 UK MPG 90kmph/120kmph/urban | ||
| US MPG | 28.0/23.5/14.5 US MPG 90kmph/120kmph/urban | ||
| Emissions de CO₂ | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Châssis | |||
| Emplacement de moteur | front | ||
| Engine layout | longitudinal | ||
| Traction | rear wheel drive | ||
| Répartition du couple | N/A | ||
| Direction | |||
| turns lock-to-lock | 2.960 | ||
| Turning circle | |||
| Suspension AV | |||
| Suspension AR | |||
| Roues AV | 8½J x 18 H2 | ||
| Roues AR | 8½J x 18 H2 | ||
| Pneumatiques AV | 255/45 ZR 18 | ||
| Pneumatiques AR | 255/45 ZR 18 | ||
| Freins AV/AR | VeDi/VeDi-S-ABS | ||
| Diamètre des freins AV | 320 mm | ||
| Diamètre des freins AR | 300 mm | ||
| Braked area | |||
| Transmission | 5 speed automatic | ||
| Rapport de démultiplication supérieure | 0.83 | ||
| Rapport de pont | 2.82 | ||
| Généralités | |||
| Carfolio.com ID | 607882 | ||
| Production total | |||
| Type mines | C 140 E 42 | ||
| C 140 | |||
| RAC rating | 42.0 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1995 Mercedes-Benz S 420 Coupé added 2019-09-24. Last modified 2020-03-16. |
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