Mercedes-Benz C-CLASS WAGON C 240 - Manual (Page 428)

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Technical data
Electrical system
Model C 240 (all models)
Generator (alternator) 14 V/120 A
Starter motor 12 V/1.7 kW
Battery 12 V/100 Ah
Spark plugs Bosch F 8 DPP 332
NGK PFR 5 R-11
Electrode gap 0.039 in (1.0 mm)
Tightening torque 15 – 22 lb-ft (20 – 30 Nm)