MERCEDES-BENZ

LI47.70-P-079963

2025-11-12 · NHTSA 11025535

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

Complaint AC charging is not possible. Charging is interrupted after 15 minutes. Following malfunctions on Instrument Cluster (IC) can appear : • "AC charging inoperative Consult workshop" • "Performance severely limited “Hybrid drive system” The following fault codes related to the failure can be found in the below Control units : PTCU - N127 (Drivetrain control unit) • P0667FA - On-board charger • P0F7FFA - On-board charger OBL223_GEN4 - N83/11 (Alternating current charger for high-voltage battery): • P0667FA - The internal temperature sensor of the control unit has a malfunction. • P0F7FFA - The signals of coolant temperature sensors 1 and 2 of the on-board charger are implausible in comparison with each other. • P0D8F97 - The cooling of the on-board charger is inadequate. The system function is restricted. INV1G40 - N147 (Power electronics control unit): • P0A9300 - The cooling system for the low temperature circuit has a malfunction Cause • The coolant lines of the LT1 (low temperature) cooling circuit for the power electronics (N147) and the LT2 (low temperature) cooling circuit for the AC charger (OBL), may have been installed in reverse order Remedy • It is possible that the coolant hoses highlighted in the pictures are installed in reverse order. • Interchange these two coolant lines and check if the vehicle is charging without any malfunction.

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.