Five icons appear on the MB Star C4 display
![]()
Connect 9V dry battery as shown
![]()
Connect the OBD to the car
![]()
Open the software C4 management tool
Update 00 01 02 02 03 in order
![]()
OBD2TOOL Technical Blog – Automotive, Truck & Heavy Equipment Diagnostic Tool Guides, Software Installation, Troubleshooting and Repair Cases
Five icons appear on the MB Star C4 display
![]()
Connect 9V dry battery as shown
![]()
Connect the OBD to the car
![]()
Open the software C4 management tool
Update 00 01 02 02 03 in order
![]()