# Service bulletin LI47.70\-P\-079963

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 11025535
- Published by NHTSA: 2025\-11\-14
- Manufacturer's number: LI47.70\-P\-079963
- Manufacturer's date: 2025\-11\-12
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11025535-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11025535-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Trouble codes named

P0667, P0A93, P0D8F, P0F7F

## Vehicles listed

- 2021 to 2022 MERCEDES\-BENZ AMG GLE53
- 2023 to 2025 MERCEDES\-BENZ AMG GLE53 4MATIC\+
- 2025 MERCEDES\-BENZ AMG GLE53 4MATIC\+ COUPE

JSON: [/v1/bulletins/11025535](/v1/bulletins/11025535)

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