MERCEDES-BENZ, MERCEDES-MAYBACH · 2022-07-18
Complaint On affected hybrid vehicles of model series 223, a sporadic or continuously displayed red 12V warning message is shown in the instrument cluster. Cause Based on the current status of the analyses, 2 different causes may be considered probable: ·Failure of the current limiter module: The fault does not necessarily trigger a fault code. This fault profile is likely in the event of continuous 12V red messages. ·A second cause of the fault is indicated by the saved fault codes P0E32FA in the HV DC/DC converter (N82/2; see XENTRY Diagnosis for fault code) and, in some cases, B161609 in the electronic ignition switch (N73). This fault profile is likely in the event of sporadic 12V red messages. Remedy For cause analysis, the quick test for the vehicle should be examined for the…