Clearing Codes: HFM-SFI
WARNING: This page is about a different car, the 1996 Mercedes-Benz E320. However, it is still accessible from the selected car via links, so may be relevant.
DTC memory can be cleared using generic scan tool or Hand-Held Tester (HHT). After clearing DTC memory, using generic scan tool or HHT, give "end" command and turn ignition off for approximately 5 seconds. Turning ignition off for approximately 5 seconds allows DTC memory to be overwritten. An alternative method of clearing DTC memory is to disconnect vehicle battery.