722 Technical data
Electrical system
ModelS 550
S 550 4MATICS 600S 63 AMGS 65 AMG
Generator (alternator)14 V/180 A14 V/220 A14 V/220 A14 V/220 A
Starter motor12 V/1.7 kW12 V/1.7 kW12 V/2.1 kW12 V/1.7 kW
Starter battery12 V/35 Ah12 V/35 Ah12 V/35 Ah12 V/35 Ah
Electrical consumer
battery12 V/95 Ah12 V/95 Ah12 V/95 Ah12 V/95 Ah
Spark plugsNGK PLKR 6A
Bosch Y 7 MPP 33NGK IFR 6Q-G–1
1Contact an authorized Mercedes-Benz Center
NGK IFR 6Q-G
Electrode gap0.031 in (0.8 mm)0.028 in (0.7 mm)0.039 in (1.0 mm)0.028 in (0.7 mm)
Tightening torque15 – 18 lb-ft (20 – 25 Nm)18 – 22 lb-ft (25 – 30 Nm)15 – 18 lb-ft (20 – 25 Nm)15 – 22 lb-ft (20 – 30 Nm)
