maintenanceCharging System Testfor 2009 Mercedes-Benz ML550 W164 5.5L V8 M273 · AWDLabor Hours1hrRange: 0.8–1.2 hrConfidenceai baselineAt $110/hr (independent shop)$110Estimated labor cost. Parts not included.Other labor times on this vehicle100K Service8.5 hr30K Service2.5 hr4WD Actuator3.9 hr60K Service4.5 hr90K Service6.5 hrABS Module2.5 hrABS Pump1.9 hrABS Wheel Speed Sensor - Front1.9 hrCharging System Test on similar vehicles1997 Acura CL 2.2L I40.5 hr1997 Acura CL 3.0L V60.5 hr1998 Acura CL 2.2L I40.5 hr1998 Acura CL 3.0L V60.5 hr1999 Acura CL 2.2L I40.5 hr1999 Acura CL 3.0L V60.5 hr📝 Suggest a correction to this labor time