Mercedes-Benz SL-Class 2006 Owners Manual - Manual (Page 443)

442
Technical data
Electrical system
Model SL 500 SL 600 SL 55 AMG SL 65 AMG
Generator (alternator) 14 V/150 A 14 V/180 A 14 V/180 A 14 V/180 A
Starter motor 12 V/1.7 kW 12 V/1.7 kW 12 V/1.7 kW 12 V/1.7 kW
Battery
Starter battery 12 V/35 Ah 12 V/35 Ah 12 V/35 Ah 12 V/35 Ah
Battery for electrical consumers 12 V/70 Ah 12 V/70 Ah 12 V/70 Ah 12 V/70 Ah
Spark plugs Bosch F 8 DPP 33
NGK PFR5R11 NGK IFR6QG NGK ILFR6A NGK IFR6QG
Electrode gap 0.039 in (1.0 mm) 0.028 in (0.7 mm) 0.031 in (0.8 mm) 0.028 in (0.7 mm)
Tightening torque 15 – 22 lb-ft
(20 – 30 Nm) 18 – 22 lb-ft
(25 – 30 Nm) 18 – 22 lb-ft
(25 – 30 Nm) 18 – 22 lb-ft
(25 – 30 Nm)