Mercedes-Benz SL-Class 2008 Owners Manual - Manual (Page 449)

448
Technical data
Engine
Model SL 55 AMG (230.474) 1
1 The quoted data apply only to the standard vehicle. See an authorized Mercedes-Benz Center for the corresponding data of all special bodies and special equipment.
SL 65 AMG (230.479) 1
Engine 113 275
Mode of operation 4-stroke engine, gasoline injection 4-stroke engine, gasoline injection
No. of cylinders 8 12
Bore 3.82 in (97.00 mm) 3.25 in (82.60 mm)
Stroke 3.62 in (92.00 mm) 3.66 in (93.00 mm)
Total piston displacement 331.8 cu in (5439 cm 3 ) 364.9 cu in (5980 cm 3 )
Compression ratio 9:1 9:1
Output acc. to SAE J 1349 510 hp/6100 rpm
2
(380 kW/6100 rpm)
2 Premium fuel required. Performance may vary with fuel octane rating.
603 hp/4800-5100 rpm
2
(450 kW/4800-5100 rpm)
Maximum torque acc. to SAE J 1349 530 lb-ft/2600 - 4000 rpm
(720 Nm/2600 - 4000 rpm) 738 lb-ft/2000 - 4000 rpm
(1000 Nm/2000 - 4000 rpm)
Maximum engine speed 6500 rpm 5950 rpm
Firing order 1-5-4-2-6-3-7-8 1-12-5-8-3-10-6-7-2-11-4-9
Poly-V-belt 2462 mm/1289 mm 2335 mm