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528
Technical data
Engine
Model R 550 4MATIC (251.172)
1,2
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
Canada only.
Engine 273
Mode of operation 4-stroke engine, gasoline injection
No. of cylinders 8
Bore 3.86 in (98.00 mm)
Stroke 3.56 in (90.50 mm)
Total piston displacement 333cuin (5461cm
3
)
Compression ratio 10.7:1
Output acc. to SAE J 1349 382 hp/6000 rpm
3
(285 kW/6000 rpm)
3
Premium fuel required. Performance may vary with fuel octane rating.
Maximum torque acc. to SAE J 1349 391 lb-ft/2800 - 4800 rpm
(530 Nm/2800 - 4800 rpm)
Maximum engine speed 6500 rpm
Firing order 1-5-4-2-6-3-7-8
Poly-V-belt 2404 mm