Engine:technical data, Engine – Mercedes-Benz S-Class 2008 Owners Manual User Manual

Page 716

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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

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