386 Technical data
Electrical system
Mercedes-Benz SLR McLarenMercedes-Benz SLR McLaren 722 Edition
Generator (alternator)14 V/150 A14 V/150 A
Starter motor12 V/1.7 kW12 V/1.7 kW
Battery
Starter battery12 V/35 Ah12 V/35 Ah
Battery for electrical consumers12 V/70 Ah12 V/70 Ah
Spark plugsNGK ILFR6ANGK ILFR6A
Electrode gap0.031 in (0.8 mm)0.031 in (0.8 mm)
Tightening torque18 – 22 lb-ft (25 – 30 Nm)18 – 22 lb-ft (25 – 30 Nm)
