# Service bulletin LI07.70\-P\-078547

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: 11013292
- Published by NHTSA: 2025\-01\-31
- Manufacturer's number: LI07.70\-P\-078547
- Manufacturer's date: 2025\-01\-09
- NHTSA component: ENGINE

## NHTSA's summary

Complaint Engine idle fluctuates or stumbles at approximately 7 second interval. No relevant fault codes are stored. Cause Torque signal mismatch between MRG and PTCU control units. Only effects version 20B of PTCU. Remedy Software solution in development and LI will be updated once an ETA is available. Replacing parts will not resolve this symptom. Vehicle can be released to owner if there are no other symptoms present. The idle fluctuation typically resolves after several trips and will not cause other drivability symptoms or damage to the vehicle. Create an informational TIPS case and submit to the powertrain team with the below information: \-Video showing the "engine data" from head unit while symptom active \-N3/10 MRG2 control unit log

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11013292-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11013292-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2022 to 2024 MERCEDES\-BENZ C 300
- 2022 to 2024 MERCEDES\-BENZ GLE 350
- 2025 MERCEDES\-BENZ GLE 350 4MATIC
- 2024 to 2025 MERCEDES\-BENZ GLE 450E 4MATIC

JSON: [/v1/bulletins/11013292](/v1/bulletins/11013292)

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