Mercedes-Benz R-Class 2008 Owners Manual - Manual (Page 528)

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