# Service bulletin LI47.70\-P\-079912

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: 11025534
- Published by NHTSA: 2025\-11\-14
- Manufacturer's number: LI47.70\-P\-079912
- Manufacturer's date: 2025\-11\-11
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Complaint Vehicle will not start after DC charging Warning in the instrument cluster related to High\-voltage on board electrical system The following fault codes related to stuck contactor can be found in the High Voltage Control units : PTCU \- N127 \(Powertrain control unit\) • P154900 \- There is a warning due to overcurrent in the charging system of the high\-voltage electric circuit. • P154A00 \- There is a warning due to a detected crash event at standstill. • P154B00 \- There is a warning due to a stuck contactor. DCB223 \- N116/5 \(Direct current charge connection unit\) • P0E8929 \- The input current of the on\-board DC charging connection unit is too high. There is an invalid signal. • P2BC500 \- The contact ''Positive terminal'' of the contactor in the on\-board DC current charge\-connection unit is jammed closed • P2BCC00 \- The contact ''Negative terminal'' of the contactor in the on\-board DC current charge\-connection unit is jammed closed. Cause • Current ripple due to EVSE \(Electric Vehicle Supply Equipment\) • Overcurrent or Overvoltage due to EVSE \(Electric Vehicle Supply Equipment\) • DCB contactors did not open immediately due to welding time at the end of DC charging Remedy • Check for a new software availability for DCCU \(N116/5 \- Direct Current Charge connection Unit\). If a new software is available, update the software first. • Reset contactor fault through special procedure without password. \( N116/5 \>\> Special Procedure \>\> Resetting of contactor fault.\) Important Note : • Do not replace component DCB \(N116/5\) • If fault codes are not erasable, please raise a TIPS case and send it to HQ.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11025534-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11025534-9999.pdf)

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

## Components

Electrical system

## Trouble codes named

P0E89, P1549, P154A, P154B, P2BC5, P2BCC

## Vehicles listed

- 2025 MERCEDES\-BENZ AMG E 53 4MATIC\+ WAGON
- 2023 MERCEDES\-BENZ AMG E53E
- 2023 to 2025 MERCEDES\-BENZ AMG S 63 E 4MATIC\+
- 2023 to 2025 MERCEDES\-BENZ EQB 250\+
- 2022 to 2025 MERCEDES\-BENZ EQB 300 4MATIC
- 2022 to 2025 MERCEDES\-BENZ EQB 350 4MATIC
- 2020 to 2022 MERCEDES\-BENZ GLE 350 E
- 2024 to 2025 MERCEDES\-BENZ GLE 450E 4MATIC
- 2023 MERCEDES\-BENZ S 580 E
- 2023 to 2025 MERCEDES\-BENZ S 580 E 4MATIC

JSON: [/v1/bulletins/11025534](/v1/bulletins/11025534)

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