Electrical System - Mercedes-Benz 2008 S550 Operator's Manual

Technical data

Electrical system

Model S 550
S 550 4MATIC
Generator (alternator) 14 V/180 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) 18 – 22 lb-ft (25 – 30 Nm) 15 – 18 lb-ft (20 – 25 Nm) 15 – 22 lb-ft (20 – 30 Nm)
1
Contact an authorized Mercedes-Benz Center
722
S 600 S 63 AMG
14 V/220 A 14 V/220 A
12 V/1.7 kW 12 V/2.1 kW
12 V/35 Ah 12 V/35 Ah
12 V/95 Ah 12 V/95 Ah
NGK IFR 6Q-G –
0.028 in (0.7 mm) 0.039 in (1.0 mm)
S 65 AMG
14 V/220 A
12 V/1.7 kW
12 V/35 Ah
12 V/95 Ah
1
NGK IFR 6Q-G
0.028 in (0.7 mm)