Engine:technical data, Engine – Mercedes-Benz S-Class 2008 Owners Manual User Manual
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Technical data
Engine
̄
Engine
Model
S 550 (221.171)
1
1
The quoted data apply only to the standard vehicle. Contact an authorized Mercedes-Benz Center for the corresponding data of all special
bodies and special equipment.
S 550 4MATIC (221.186)
1
Engine
273
273
Mode of operation
4-stroke engine, gasoline injection
4-stroke engine, gasoline injection
No. of cylinders
8
8
Bore
3.86 in (98.00 mm)
3.86 in (98.00 mm)
Stroke
3.56 in (90.50 mm)
3.56 in (90.50 mm)
Total piston displacement
333.3 cu in (5461 cm
3
)
333.3 cu in (5461 cm
3
)
Compression ratio
10.7:1
10.5:1
Output acc. to SAE J 1349
2
2
Premium fuel required. Performance may vary with fuel octane rating.
382 hp/6000 rpm
(285 kW/6000 rpm)
382 hp/6000 rpm
(285 kW/6000 rpm)
Maximum torque
acc. to SAE J 1349
391 lb-ft/3000 rpm
(530 Nm/3000 rpm)
391 lb-ft/2800 - 4800 rpm
(530 Nm/2800 - 4800 rpm)
Maximum engine speed
6500 rpm
6500 rpm
Firing order
1-5-4-2-6-3-7-8
1-5-4-2-6-3-7-8
Poly-V-belt
2404 mm
2404 mm