The Mercedes-Benz 280 SL is a convertible/cabriolet designed by Friedrich Geiger with 2 doors and a front mounted powerplant which supplies its power through the rear wheels.
The 280 SL is part of Mercedes-Benz's R 107 series of cars.
It is powered by a naturally aspirated engine of 2.7 litre capacity. This unit features double overhead camshaft valve gear, 6 cylinder layout, and 2 valves per cylinder. It develops 182 bhp (185 PS/136 kW) of power at 5800 rpm, and maximum torque of 240 N·m (177 lb·ft/24.5 kgm) at 4500 rpm.
The engine transmits power to the wheels via a 4 speed manual 'box.
Claimed weight at the kerb is 1500 kg.
Maximum quoted speed is 200 km/h or 124 mph.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | Friedrich Geiger | ||
| dimensions & weights | |||
| Wheelbase | 2460 mm | 96.9 inches | |
| Track/tread (front) | 1452 mm | 57.2 inches | |
| Track/tread (rear) | 1440 mm | 56.7 inches | |
| Length | 4390 mm | 172.8 inches | |
| Width | 1790 mm | 70.5 inches | |
| Height | 1300 mm | 51.2 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.78 | ||
| Kerb weight | 1500 kg | 3307 lb | |
| Weight distribution | |||
| fuel tank capacity | 90 litres | 19.8 [23.8] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Mercedes-Benz | ||
| Engine code | M 110 E 28 / 110.986 | ||
| Cylinders | Straight 6 | ||
| Capacity | 2.7 litre 2746 cc (167.571 cu in) |
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| Bore × Stroke | 86 × 78.8 mm
3.39 × 3.1 in |
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| Bore/stroke ratio | 1.09 | ||
| Valve gear | double overhead camshaft (DOHC)
2 valves per cylinder 12 valves in total |
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| maximum power output (DIN) |
185 PS (182 bhp) (136 kW) at 5800 rpm |
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| maximum torque (DIN) |
240 Nm (177 ft·lb) (24.5 kgm) at 4500 rpm |
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| Specific output (DIN) |
49.4 kW/litre 67.2 ps/litre 66.3 bhp/litre 1.09 bhp/cu in |
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| Specific torque (DIN) |
87.4 Nm/litre
1.06 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 9:1 | ||
| Fuel system | Bosch K-Jetronic fuel injection | ||
| bmep (brake mean effective pressure) | 1098.3 kPa (159.3 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 7 | ||
| Engine coolant | Water | ||
| Unitary capacity | 457.67 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 10.1 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 200 km/h (124 mph) | ||
| Power-to-weight ratio | Higher is better 123.02 PS/tonne (1000 kg) 0.12 PS/kg 90.48 kW/tonne (1000 kg) 0.09 kW/kg 121.33 bhp/tonne (1000 kg) 0.12 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 11.05 kg/kW 18.46 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | |||
| 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) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | I.DW.CS.ARB. | ||
| Rear suspension | I.STA.CS.ARB. | ||
| Wheel size front | 6½J x 14 H 2 | ||
| Wheel size rear | 6½J x 14 H 2 | ||
| Tyres front | 185 HR 14 | ||
| Tyres rear | 185 HR 14 | ||
| Brakes F/R | VeDi/Di-S | ||
| Front brake diameter | 278 mm | ||
| Rear brake diameter | 279 mm | ||
| Braked area | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.69 | ||
| general | |||
| Carfolio.com ID | 249788 | ||
| Production total | |||
| Model code | R 107 E 28 | ||
| Model family | R 107 | ||
| RAC rating | 27.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1978 Mercedes-Benz 280 SL added 2011-06-29. Last modified 2020-02-02. |
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