Check a VIN

May 20, 2025 Service bulletin

Vehicle not AC charging

Mercedes-Benz technical service bulletin LI47.70-P-078127 for 2023-2025 Mercedes-Benz AMG S 63 E 4matic+, 2024 Mercedes-Benz AMG C63 S E and 2024 Mercedes-Benz AMG Gt63 S E.

Bulletin number
LI47.70-P-078127
Component
Electrical system
Summary
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 Possible Software topic. Remedy Please open 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 connection of the charging cable and charging socket and lock actuator – 1) yes or no? – 2) Did the failure disappear or not? Check the connection of the OBC and HV-Harness to the charging socket (unplug and plug again) – 1) yes or no 2) Did the failure disappear or not? Check the LV-connection to the locking actuator on the charging socket (unplug and plug again) – 1) yes or no? 2) any changes? Check the emergency release activation on the locking actuator – was it triggered/pulled out or not? Emergency release should be rotated back in not activated position Check for SW updates for AC charger and PTCU. SW remedy expected to be available 06/2025

Owners of these vehicles have filed 1 complaints in the electrical category.

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Mercedes-Benz AMG S 63 E 4matic+?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history