Engine, Technical data – Mercedes-Benz S-Class 2009 User Manual
Page 593
Engine
591
Model
S 450 4MATIC (221.084)
11,12
S 550 (221.171)
11,13
S 550 4MATIC (221.186)
11
Engine
273
273
273
Mode of operation
4-stroke engine, gasoline injection 4-stroke engine, gasoline injection 4-stroke engine, gasoline injection
No. of cylinders
8
8
8
Bore
3.66 in (92.90 mm)
3.86 in (98.00 mm)
3.86 in (98.00 mm)
Stroke
3.39 in (86.00 mm)
3.56 in (90.50 mm)
3.56 in (90.50 mm)
Total piston
displacement
284.6 cu in (4
663 cm
3
)
333.3 cu in (5
461 cm
3
)
333.3 cu in (5
461 cm
3
)
Compression ratio
10.5:1
10.7:1
10.5:1
Output acc. to
SAE J 1349
335 hp/6
000 rpm
(250 kW/6
000 rpm)
14
382 hp/6
000 rpm
(285 kW/6
000 rpm)
14
382 hp/6
000 rpm
(285 kW/6
000 rpm)
14
Maximum torque acc. to
SAE J 1349
339 lb-ft/2
700 rpm - 5
000 rpm
(460 Nm/2
700 rpm - 5
000 rpm)
391 lb-ft/3
000 rpm
(530 Nm/3
000 rpm)
391 lb-ft/2
800 rpm - 4
800 rpm
(530 Nm/2
800 rpm - 4
800 rpm)
Maximum engine speed 6
500 rpm
6
500 rpm
6
500 rpm
11
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.
12
Canada only.
13
USA only.
14
Premium fuel required. Performance may vary with fuel octane rating.
Technical data
Z