Electrical System - Mercedes-Benz S 450 4MATIC Operator's Manual

Technical data

Electrical system

Model S 450 4MATIC
Generator (alternator) 14 V/220 A
Starter motor 12 V/1.7 kW
Starter battery 12 V/35 Ah
Electrical consumer 12 V/95 Ah
battery
Spark plugs NGK PLKR 6A
Bosch Y 7 MPP 33
Electrode gap 0.031 in (0.8 mm)
Tightening torque 15 – 18 lb-ft (20 – 25 Nm) 15 – 18 lb-ft (20 – 25 Nm) 18 – 22 lb-ft (25 – 30 Nm)
1
Canada only
760
1
S 550
S 550 4MATIC
14 V/220 A
12 V/1.7 kW
12 V/35 Ah
12 V/95 Ah
NGK PLKR 6A
Bosch Y 7 MPP 33
0.031 in (0.8 mm)
S 600
14 V/220 A
12 V/1.7 kW
12 V/35 Ah
12 V/95 Ah
NGK IFR 6Q-G
0.028 in (0.7 mm)