Mercedes-Benz 2005 CLK 320 - Manual (Page 451)

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Technical data
Electrical system
Model CLK 320 CLK 500 CLK 55 AMG
Generator (alternator) 14 V/120 A 14 V/150 A 14 V/150 A
Starter motor 14 V/1.4 KW 14 V/1.7 KW 14 V/1.7 KW
Battery 12 V/100 Ah 12 V/100 Ah 12 V/100 Ah
Spark plugs Bosch F8 DPP 332
NGK PFR 5R-11 Bosch F8 DPP 332
NGK PFR 5R-11 NGK ILFR 6A
Electrode gap 0.039 in (1.00 mm) 0.039 in (1.00 mm) 0.031 in (0.8 mm)
Tightening torque 18.5 - 22 lb-ft (25 - 30 Nm) 18.5 - 22 lb-ft (25 - 30 Nm) 18.5 - 22 lb-ft (25 - 30 Nm)