MERCEDES-BENZ · 2025-07-15
Complaint Vehicle not AC charging. Check engine light on. PTCU/N127 with fault code P0D9100 "The lock for the charging cable has an open circuit". Cause AC Charger (N83) Software Remedy Perform SW update to AC Charger (N83). If P0D9100 returns after the update has been performed, please open a TIPS case. TIPS case: Needed customer feedback: When did the complaint/IC message occur? While driving and / or charging / or parking? If the complaint occurred while charging, how long after did the complaint/IC message occur? Which charging station was used, which provider (picture if possible)? Attach HV CUL and QT to the case Test: Verify AC charging Erase fault codes and verify if fault code P0D9100 “The lock for the charging cable has an open circuit” returns Check AV of AC charger Check the…