Electrical System - Mercedes-Benz 2007 SL 55 AMG Operator's Manual

Electrical system

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