How to upgrade SD Connect C4 Hardware

1/22/2023

Path one: C:Program FilesMercedes-BenzSDConnect Toolkit

Path two: C:Program FilesSoftingDiagnostic Tool Set 88.03InterfacesDCDI_DPduApieCOM_Toolkit

Change the three file names of update_automaticx, update_manualx, and update_specicalx under path one and path two to update_automatic, update_manual, and update_specical (remove the letter x at the end of the file name). After the modification, see Figures 3 and 4 below.

After changing the file name, the computer restarts

C4 and C5 need to install 6 AA batteries (see steps 1 pdf for details) [sp100-e doip hardware upgrades do not need to install batteries]

Obd main line should be connected to car or 12v power supply