Mercedes-Benz R-Class 2007 Owners Manual - Manual (Page 532)

531
Technical data
Engine
Model R 500 (251.175) 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.
R 63 AMG (251.177) 1
Engine 113 156
Mode of operation 4-stroke engine, gasoline injection 4-stroke engine, gasoline injection
No. of cylinders 8 8
Bore 3.82 in (97.00 mm) 4.02 in (102.20 mm)
Stroke 3.31 in (84.00 mm) 3.72 in (94.60 mm)
Total piston displacement 303 cu in (4966 cm
3
) 379 cu in (6208 cm
3
)
Compression ratio 10:1 11.3:1
Output acc. to SAE J 1349 302 hp/5 600 rpm
2
(225 kW/5 600 rpm)
2 Premium fuel required. Performance may vary with fuel octane rating.
503 hp/6 800 rpm
2
(375 kW/6 800 rpm)
Maximum torque acc. to SAE J 1349 339 lb-ft/2 700 - 4 750 rpm
(460 Nm/2700 - 4750 rpm) 465 lb-ft/5 200 rpm
(630 Nm/5200 rpm)
Maximum engine speed 6300 rpm 7 200 rpm
Firing order 1-5-4-2-6-3-7-8 1-5-4-2-6-3-7-8
Poly-V-belt 2370 mm 2369 mm