Electrical System; Alternator; Technical Data; Spark Plugs - Mercedes-Benz 2009 C-Class Operator's Manual

Electrical system

Model

Alternator

Starter motor
Battery

Spark plugs

Type
Electrode gap
Tightening torque
All models except C 63 AMG
14 V/150 A
12 V/1.4 kW
12 V/74 Ah
Bosch Y 7 MPP33
0.031 in (0.8 mm)
15 lb-ft - 18 lb-ft (20 Nm - 25 Nm)

Technical data

Electrical system
C 63 AMG
14 V/180 A
12 V/1.7 kW
12 V/95 Ah
NGK ILZKAR 7A10
0.039 in (1.0 mm)
14 lb-ft - 18 lb-ft (19.5 Nm - 24.5 Nm)
Z
387