540 Technical dataElectrical systemModel
ML 350
ML 500
ML 63 AMG
Generator (alternator)
14 V/180 A
14 V/180 A
14 V/180 A
Starter motor
12 V/1.4 kW
12 V/1.7 kW
12 V/2.2 kW
Battery
12 V/70 Ah
12 V/95 Ah
12 V/95 Ah
Spark plugs
NGK PLKR 6A
NGK PFR 5R-11
NGK T200 36N
Electrode gap
0.031 in (0.8 mm)
0.039 in (1.0 mm)
0.039 in (1.0 mm)
Tightening torque
15 – 22 lb-ft (20 – 30 Nm)
15 – 22 lb-ft (20 – 30 Nm)
15 – 22 lb-ft (20 – 30 Nm)
Model
ML 320 CDI
Generator (alternator)
14 V/220 A
Starter motor
12 V/2.2 kW
Battery
12 V/95 Ah
