The 420 SL is an automobile from Mercedes-Benz, with rear wheel drive, a front positioned engine and a Friedrich Geiger-designed 2 door convertible/cabriolet body style.
It is part of Mercedes-Benz's R 107 model series.
The 8 cylinder, single overhead camshaft naturally aspirated engine has 2 valves per cylinder and a volume of 4.2 litres. It musters power and torque figures of 201 bhp (204 PS/150 kW) at 5200 rpm and 304 Nm (224 lbft/31 kgm) at 3600 rpm respectively.
The engine delivers its power through to the wheels via a 4 speed automatic gearbox.
Stated kerb weight is 1600 kg.
The Mercedes-Benz 420 SL is claimed to achieve a top speed of 205 km/h, or 127 mph, stated fuel consumption is 9.9/12.1/15.4 l/100km 90 km/h / 120 km/h / urban per 80/1268/EEC.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2 seater convertible/cabriolet | ||
| Nombre de portes | 2 | ||
| Designer | Friedrich Geiger | ||
| Dimensions et poids | |||
| Empattement | 2455 | 96.7 | |
| Voies AV | 1460 | 57.5 | |
| Voies AR | 1465 | 57.7 | |
| Longueur | 4390 | 172.8 | |
| Largeur | 1791 | 70.5 | |
| Hauteur | 1295 | 51 | |
| Garde au sol | |||
| 1.79 | |||
| Poids avec pleins | 1600 kg | 3527 | |
| Répartition poids AV | |||
| Réservoir à essence | 85 litres | 18.7 [22.5] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| naturally aspirated petrol | |||
| Constructeur du moteur | Mercedes-Benz | ||
| Type moteur | M 116 E 42 / 116.964 | ||
| Cylinders | V 8 | ||
| 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 | single overhead camshaft (SOHC)
2 Soupapes par cylindre 16 Total vannes |
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| Puissance maximale (DIN) |
204 PS (201 bhp) (150 kW) à 5200 tr/mn |
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| Couple maximale (DIN) |
304 Nm (224 ft·lb) (31 kgm) à 3600 tr/mn |
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| Specific output (DIN) |
35.7 kW/litre 48.6 ps/litre 47.9 bhp/litre 0.78 bhp/cu in |
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(DIN) |
72.45 Nm/litre
0.88 ft·lb/cu3 |
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| Construction | |||
| Lubrification | Carter humide | ||
| Taux de compression | 9:1 | ||
| Carburant | Bosch KE-Jetronic fuel injection | ||
| bmep (brake mean effective pressure) | 910.4 kPa (132 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 | 9 s | ||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vitesse | 205 km/h (127 mph) | ||
| Power-to-weight ratio | Higher is better 127.37 PS/tonne (1000 kg) 0.13 PS/kg 93.68 kW/tonne (1000 kg) 0.09 kW/kg 125.63 bhp/tonne (1000 kg) 0.13 bhp/kg 0.06 bhp/lb |
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| Weight-to-power ratio | Lower is better 10.67 kg/kW 17.83 lb/bhp |
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| Consommation | |||
| Consommation | 9.9/12.1/15.4 l/100km 90 km/h / 120 km/h / urban per 80/1268/EEC | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 9.9/12.1/15.4 l/100km 90kmph/120kmph/urban | ||
| km/litre | 10.1/8.3/6.5 km/l 90kmph/120kmph/urban | ||
| UK MPG | 28.5/23.3/18.3 UK MPG 90kmph/120kmph/urban | ||
| US MPG | 23.8/19.4/15.3 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 | |||
| Turning circle | |||
| Suspension AV | |||
| Suspension AR | |||
| Roues AV | 7½J x 15 | ||
| Roues AR | 7½J x 15 | ||
| Pneumatiques AV | 205/65 VR 15 | ||
| Pneumatiques AR | 205/65 VR 15 | ||
| Freins AV/AR | VeDi/VeDi-S-ABS | ||
| Diamètre des freins AV | 286 mm | ||
| Diamètre des freins AR | 279 mm | ||
| Braked area | |||
| Transmission | 4 speed automatic | ||
| Rapport de démultiplication supérieure | 1 | ||
| Rapport de pont | 2.47 | ||
| Généralités | |||
| Carfolio.com ID | 730125 | ||
| Production total | |||
| Type mines | R 107 E 42 | ||
| R 107 | |||
| RAC rating | 42.0 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1985 Mercedes-Benz 420 SL added 2021-10-23. Last modified 2021-10-23. |
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