This automobile has a 4 door saloon (sedan) body style styled by Bruno Sacco with a front located engine driving through the rear wheels.
The 300 SD forms part of Mercedes-Benz's W 140 model range.
Power is supplied by a single overhead camshaft, 3.4 litre turbocharged 6 cylinder engine, with 2 valves per cylinder that provides power and torque figures of 148 bhp (150 PS/110 kW) at 4000 rpm and 310 N·m (229 lb·ft/31.6 kgm) at 2000 rpm respectively.
Power is transferred to the wheels via a 4 speed automatic gearbox.
The Mercedes-Benz 300 SD weighs a stated 1940 kg at the kerb.
Top claimed speed is 185 km/h or 115 mph, official fuel consumption figures are 7.7/9.7/11.7 l/100km 90 km/h / 120 km/h / urban as per 80/1268/EEC.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | Bruno Sacco | ||
| dimensions & weights | |||
| Wheelbase | 3040 mm | 119.7 inches | |
| Track/tread (front) | 1603 mm | 63.1 inches | |
| Track/tread (rear) | 1576 mm | 62 inches | |
| Length | 5113 mm | 201.3 inches | |
| Width | 1886 mm | 74.3 inches | |
| Height | 1492 mm | 58.7 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.68 | ||
| Kerb weight | 1940 kg | 4277 lb | |
| Weight distribution | |||
| fuel tank capacity | 100 litres | 22 [26.4] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | turbocharged diesel | ||
| Engine manufacturer | OM | ||
| Engine code | OM 603 D 35 A / 603.971 | ||
| Cylinders | Straight 6 | ||
| Capacity | 3.4 litre 3449 cc (210.471 cu in) |
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| Bore × Stroke | 89 × 92.4 mm
3.5 × 3.64 in |
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| Bore/stroke ratio | 0.96 | ||
| Valve gear | single overhead camshaft (SOHC)
2 valves per cylinder 12 valves in total |
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| maximum power output | 150 PS (148 bhp) (110 kW) at 4000 rpm |
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| maximum torque | 310 Nm (229 ft·lb) (31.6 kgm) at 2000 rpm |
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| Specific output | 32 kW/litre 43.5 ps/litre 42.9 bhp/litre 0.7 bhp/cu in |
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| Specific torque |
89.88 Nm/litre
1.09 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 22:1 | ||
| Fuel system | Bosch diesel injection pump | ||
| bmep (brake mean effective pressure) | 1129.5 kPa (163.8 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 7 | ||
| Engine coolant | Water | ||
| Unitary capacity | 574.83 cc | ||
| Aspiration | Turbo D. | ||
| Compressor | |||
| Intercooler | |||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 13.1 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 185 km/h (115 mph) | ||
| Power-to-weight ratio | Higher is better 77.35 PS/tonne (1000 kg) 0.08 PS/kg 56.89 kW/tonne (1000 kg) 0.06 kW/kg 76.29 bhp/tonne (1000 kg) 0.08 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 17.58 kg/kW 29.36 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 7.7/9.7/11.7 l/100km 90 km/h / 120 km/h / urban as per 80/1268/EEC | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 7.7/9.7/11.7 l/100km 90kmph/120kmph/urban | ||
| km/litre | 13.0/10.3/8.5 km/l 90kmph/120kmph/urban | ||
| UK MPG | 36.7/29.1/24.1 UK MPG 90kmph/120kmph/urban | ||
| US MPG | 30.5/24.2/20.1 US MPG 90kmph/120kmph/urban | ||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| turns lock-to-lock | 2.960 | ||
| Turning circle | |||
| Front suspension | I.DW.CS.ARB. | ||
| Rear suspension | I.MultiLi.CS.ARB. | ||
| Wheel size front | 7½J x 16 H 2 | ||
| Wheel size rear | 7½J x 16 H 2 | ||
| Tyres front | 225/60 R 16 97V | ||
| Tyres rear | 225/60 R 16 97V | ||
| Brakes F/R | VeDi/Di-S-ABS | ||
| Front brake diameter | 310 mm | ||
| Rear brake diameter | 290 mm | ||
| Braked area | |||
| Gearbox | 4 speed automatic | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 2.82 | ||
| general | |||
| Carfolio.com ID | 61116 | ||
| Production total | |||
| Model code | W 140 D 35 A | ||
| Model family | W 140 | ||
| RAC rating | 29.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1990 Mercedes-Benz 300 SD added 2009-01-24. Last modified 2020-11-24. |
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