enginePiston - Singlefor 2003 Mercedes-Benz S55 AMG 5.4L V8 Supercharged M113K · RWDLabor Hours2.2hrRange: 1.8–2.6 hrConfidenceestimatedAt $110/hr (independent shop)$242Estimated labor cost. Parts not included.Other labor times on this vehicle100K Service8.5 hr30K Service3.5 hr4WD Actuator4.5 hr60K Service6.5 hr90K Service8.5 hrABS Module2.5 hrABS Pump2.2 hrABS Wheel Speed Sensor - Front2.2 hrPiston - Single on similar vehicles1997 Acura CL 2.2L I41.2 hr1997 Acura CL 3.0L V61.2 hr1998 Acura CL 2.2L I41.2 hr1998 Acura CL 3.0L V61.2 hr1999 Acura CL 2.2L I41.2 hr1999 Acura CL 3.0L V61.2 hr📝 Suggest a correction to this labor time