441 Technical data
Electrical system
Electrical system
Model
SL 550
SL 600
SL 55 AMG
SL 65 AMG
Generator (alternator)
14 V/150 A
14 V/180 A
14 V/180 A
14 V/180 A
Starter motor
12 V/1.7 kW
12 V/1.7 kW
12 V/1.7 kW
12 V/1.7 kW
Starter battery
12 V/35 Ah
12 V/35 Ah
12 V/35 Ah
12 V/35 Ah
Battery for electrical consumers
12 V/70 Ah
12 V/70 Ah
12 V/70 Ah
12 V/70 Ah
Spark plugs
Bosch Y 7 MPP 33
NGK PLKR6A
NGK IFR6QG
NGK ILFR6A
NGK IFR6QG
Electrode gap
0.031 in (0.8 mm)
0.028 in (0.7 mm)
0.031 in (0.8 mm)
0.028 in (0.7 mm)
Tightening torque
15 – 18 lb-ft
(20 – 25 Nm)
18 – 22 lb-ft
(25 – 30 Nm)
18 – 22 lb-ft
(25 – 30 Nm)
18 – 22 lb-ft
(25 – 30 Nm)
