The Mercedes-Benz S 450 4MATIC is a 4 door saloon (sedan)-bodied road car with a front positioned engine driving through all four wheels.
The Mercedes-Benz S 450 4MATIC is one of the W 223 model family from Mercedes-Benz.
Powering the Mercedes-Benz S 450 4MATIC is a double overhead camshaft, 3 litre turbocharged 6 cylinder motor, with 4 valves per cylinder that develops power and torque figures of 376 bhp (381 PS/280 kW) at 5000-6100 rpm and 560 N·m (413 lb·ft/57.1 kgm) at 2000-4500 rpm respectively.
This power is supplied to the wheels via a 9 speed automatic gearbox.
It weighs a claimed 2165 kg at the kerb.
Maximum claimed speed is 250 km/h (155 mph).
Full specs
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| bodywork | |||
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| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 3106 mm | 122.3 inches | |
| Track/tread (front) | 1660 mm | 65.4 inches | |
| Track/tread (rear) | 1683 mm | 66.3 inches | |
| Length | 5194 mm | 204.5 inches | |
| Width | 1921 mm | 75.6 inches | |
| Height | 1503 mm | 59.2 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.67 | ||
| Kerb weight | 2165 kg | 4773 lb | |
| Weight distribution | |||
| fuel tank capacity | 76 litres | 16.7 [20.1] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | turbocharged petrol | ||
| Engine manufacturer | Mercedes-Benz | ||
| Engine code | M 256 Evo | ||
| Cylinders | Straight 6 | ||
| Capacity | 3 litre 2999 cc (183.01 cu in) |
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| Bore × Stroke | 83 × 92.35 mm
3.27 × 3.64 in |
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| Bore/stroke ratio | 0.9 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 24 valves in total |
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| maximum power output | 381 PS (376 bhp) (280 kW) at 5000-6100 rpm |
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| maximum torque | 560 Nm (413 ft·lb) (57.1 kgm) at 2000-4500 rpm |
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| Specific output | 93.5 kW/litre 127.1 ps/litre 125.4 bhp/litre 2.05 bhp/cu in |
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| Specific torque |
186.73 Nm/litre
2.26 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10.5:1 | ||
| Fuel system | direct petrol injection | ||
| bmep (brake mean effective pressure) | 2346.5 kPa (340.3 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 7 | ||
| Engine coolant | Water | ||
| Unitary capacity | 499.83 cc | ||
| Aspiration | Turbo | ||
| Compressor | |||
| Intercooler | |||
| Catalytic converter | Y | ||
| Hybrid drivetrain | |||
| Secondary motor type | 48V mild hybrid system | ||
| Secondary power | 23.0 PS (22.7 bhp, 16.9 kW) | ||
| Secondary torque | 205.0 Nm (151 ft·lb, 21 kgm) | ||
| Maximum system output | |||
| Maximum system torque | |||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 4.9 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 250 km/h (155 mph) | ||
| Power-to-weight ratio | Higher is better 176.09 PS/tonne (1000 kg) 0.18 PS/kg 129.51 kW/tonne (1000 kg) 0.13 kW/kg 173.67 bhp/tonne (1000 kg) 0.17 bhp/kg 0.08 bhp/lb |
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| Weight-to-power ratio | Lower is better 7.72 kg/kW 12.9 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 | |||
| 185.00 g/km WLTP | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | all wheel drive | ||
| Torque split | |||
| Steering | power assisted rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 8J x 18 ET29.0 | ||
| Wheel size rear | 8J x 18 ET29.0 | ||
| Tyres front | 235/55 R 18 | ||
| Tyres rear | 235/55 R 18 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 370 mm | ||
| Rear brake diameter | 320 mm | ||
| Braked area | |||
| Gearbox | 9 speed automatic | ||
| Top gear ratio | 0.6 | ||
| Final drive ratio | |||
| general | |||
| Carfolio.com ID | 854667 | ||
| Production total | |||
| Model code | |||
| Model family | W 223 | ||
| RAC rating | 25.6 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2026 Mercedes-Benz S 450 4MATIC added 2026-01-30. Last modified 2026-02-01. |
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