ML 350 (163.157) V6-3.7L (112.970) (2004)
Relay Box: Service and Repair
AR54.15-P-1255GH Remove/Install Underhood Fuse and Relay Box
Removing And Installing Fuse And Relay Box
Remove, Install
1
Open hood and raise to vertical position
2
Disconnect ground cable of battery
CAUTION: To prevent unintended contact, insulate ground lead cable lug