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

Page 528

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527

Technical data

Engine

̄

Engine

Model

R 320 CDI 4MATIC (251.122)

1

R 350 (251.156)

1,2

R 350 4MATIC (251.165)

1

1

The quoted data apply only to the standard vehicle. See an authorized Mercedes-Benz Light Truck Center for the corresponding data of all special bodies and special
equipment.

2

USA only.

Engine

642

272

Mode of operation

Diesel 4-stroke engine

4-stroke engine, gasoline injection

No. of cylinders

6

6

Bore

3.27 in (83.00 mm)

3.66 in (92.90 mm)

Stroke

3.62 in (92.00 mm)

3.39 in (86.00 mm)

Total piston displacement

182 cu in (2987 cm

3

)

213 cu in (3498 cm

3

)

Compression ratio

17.7:1

10.7:1

Output acc. to SAE J 1349

215 hp/4000 rpm
(160 kW/4000 rpm)

268 hp/6000 rpm

3

(200 kW/6000 rpm)

3

Premium fuel required. Performance may vary with fuel octane rating.

Maximum torque acc. to SAE J 1349

400 lb-ft/1600 - 2400 rpm
(543 Nm/1600 - 2400 rpm)

258 lb-ft/2400 - 5000 rpm
(350 Nm/2400 - 5000 rpm)

Maximum engine speed

4500 rpm

6500 rpm

Firing order

1-4-2-5-3-6

1-4-3-6-2-5

Poly-V-belt

2035 mm

2404 mm