Mercedes-Benz S-Class 2008 COMAND Manual - Manual (Page 753)

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Technical data
Engine
Model S 550 4MATIC (221.186) 1 S 600 (221.176) 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 equip-
ment.
Engine 273 275
Mode of operation 4-stroke engine, gasoline injection 4-stroke engine, gasoline injection
No. of cylinders 8 12
Bore 3.86 in (98.00 mm) 3.23 in (82.00 mm)
Stroke 3.56 in (90.50 mm) 3.43 in (87.00 mm)
Total piston displacement 333.3 cu in (5 461 cm 3 ) 336.4 cu in (5513 cm 3 )
Compression ratio 10.5:1 9:1
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) 510 hp/5000 rpm
(380 kW/5000 rpm)
Maximum torque
acc. to SAE J 1349 391 lb-ft/2800 - 4800 rpm
(530 Nm/2800 - 4800 rpm) 612 lb-ft/1 800 - 3500 rpm
(830 Nm/1800 - 3500 rpm)
Maximum engine speed 6500 rpm 5 950 rpm
Firing order 1-5-4-2-6-3-7-8 1-12-5-8-3-10-6-7-2-11-4-9
Poly-V-belt 2404 mm 2 370 mm