maintenanceSpark Plug Servicefor 2019 Mercedes-Benz GLS 4.0L Turbo V8 · AWDLabor Hours1.4hrRange: 1.1–1.7 hrConfidenceestimatedAt $110/hr (independent shop)$154Estimated labor cost. Parts not included.Other labor times on this vehicle100K Service6.3 hr30K Service4.5 hr4WD Actuator7.2 hr60K Service6.3 hr90K Service6.3 hrABS Module3.6 hrABS Pump3.6 hrABS Wheel Speed Sensor - Front3.6 hrSpark Plug Service on similar vehicles1997 Acura CL 2.2L I40.8 hr1997 Acura CL 3.0L V60.8 hr1998 Acura CL 2.2L I40.8 hr1998 Acura CL 3.0L V60.8 hr1999 Acura CL 2.2L I40.8 hr1999 Acura CL 3.0L V60.8 hr📝 Suggest a correction to this labor time