Technical Data; Engine - Mercedes-Benz 2009 S-Class Operator's Manual

Engine

Model
S 450 4MATIC (221.084)
Engine 273
Mode of operation 4-stroke engine, gasoline injection
No. of cylinders 8
Bore 3.66 in (92.90 mm)
Stroke 3.39 in (86.00 mm)
Total piston
284.6 cu in (4 663 cm
displacement
Compression ratio 10.5:1
Output acc. to 335 hp/6 000 rpm
SAE J 1349
(250 kW/6 000 rpm)
Maximum torque acc. to 339 lb-ft/2 700 rpm - 5 000 rpm
SAE J 1349 (460 Nm/2 700 rpm - 5 000 rpm)
Maximum engine speed 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.
11,12
S 550 (221.171)
273
4-stroke engine, gasoline injection
8
3.86 in (98.00 mm)
3.56 in (90.50 mm)
3
) 333.3 cu in (5 461 cm
10.7:1
382 hp/6 000 rpm
14
(285 kW/6 000 rpm)
391 lb-ft/3 000 rpm
(530 Nm/3 000 rpm)
6 500 rpm
11,13
S 550 4MATIC (221.186)
273
4-stroke engine, gasoline injection
8
3.86 in (98.00 mm)
3.56 in (90.50 mm)
3
) 333.3 cu in (5 461 cm
10.5:1
382 hp/6 000 rpm
14
(285 kW/6 000 rpm)
391 lb-ft/2 800 rpm - 4 800 rpm
(530 Nm/2 800 rpm - 4 800 rpm)
6 500 rpm

Technical data

Engine
11
3
)
14
Z
591