Mercedes-Benz S-Class 2008 COMAND Manual - Manual (Page 762)

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Technical data
Electrical system
Model S 63 AMG S 65 AMG
Generator (alternator) 14 V/220 A 14 V/220 A
Starter motor 12 V/2.1 kW 12 V/1.7 kW
Starter battery 12 V/35 Ah 12 V/35 Ah
Electrical consumer
battery 12 V/95 Ah 12 V/95 Ah
Spark plugs – 1
1 Contact an authorized Mercedes-Benz Center
NGK IFR 6Q-G
Electrode gap 0.039 in (1.0 mm) 0.028 in (0.7 mm)
Tightening torque 15 – 18 lb-ft (20 – 25 Nm) 15 – 22 lb-ft (20 – 30 Nm)