Mercedes-Benz C-Class 2009 Owners Manual - Manual (Page 389)

Electrical system
387
Electrical system
Model All models except C 63 AMG C 63 AMG
Alternator 14 V/150 A 14 V/180 A
Starter motor 12 V/1.4 kW 12 V/1.7 kW
Battery 12 V/74 Ah 12 V/95 Ah
Spark plugs Type Bosch Y 7 MPP33 NGK ILZKAR 7A10
Electrode gap 0.031 in (0.8 mm) 0.039 in (1.0 mm)
Tightening torque 15 lb-ft - 18 lb-ft (20 Nm - 25 Nm) 14 lb-ft - 18 lb-ft (19.5 Nm - 24.5 Nm)
Technical data
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