2009 Mercedes CL-Class Owner's Manual - Page 576

Technical data Electrical system Electrical system Model Alternator Starter motor Starter battery Battery for electrical consumers Spark plugs Type Electrode gap Tightening torque CL 550 4MATIC 14 V/220 A 12 V/1.7 kW 12 V/35 Ah 12 V/95 Ah CL 600 14 V/220 A 12 V/2.0 kW 12 V/35 Ah 12 V/95 Ah CL 63 AMG 14 V/220 A 12 V/2.1 kW 12 V/35 Ah 12 V/95 Ah CL 65 AMG 14 V/220 A 12 V/1.7 kW 12 V/35 Ah 12 V/95 Ah NGK PLKR 7A Bosch Y 7 MPP33 0.031 in (0.8 mm) 15 lb-ft - 18 lb-ft (20 Nm - 25 Nm) NGK IFR 6Q-G 0.028 in (0.7 mm) 15 lb-ft - 22 lb-ft (20 Nm - 30 Nm) NGK ILZKAR 7A10 0.039 in (1.0 mm) 18 lb-ft - 22 lb-ft (25 Nm - 30 Nm) NGK IFR 6Q-G 0.028 in (0.7 mm) 15 lb-ft - 22 lb-ft (20 Nm - 30 Nm) 574