309 Technical data
Electrical system
Electrical system
Model
ML 350
ML 500
Generator (alternator)
14 V / 120 A
14 V / 150 A
Starter motor
12 V / 1.7 kW
12 V / 1.7 kW
Battery
12 V / 100 Ah
12 V / 100 Ah
Spark plugs
Bosch F 8 DPP332
Bosch F 8 DPER
Bosch F 8 DPP332
Bosch F 8 DPER
Electrode gap
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)