# Service campaign NCU \- 2025080001

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 campaign
- NHTSA id: 11022127
- Published by NHTSA: 2025\-08\-25
- Manufacturer's number: NCU \- 2025080001
- Manufacturer's date: 2025\-08\-15
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Issue Mercedes\-Benz AG, the manufacturer of Mercedes\-Benz vehicles, has determined that on certain subject vehicles, the fuel system control unit \(FSCU\) software may not correspond to the current series production configuration. As a result, on\-board diagnostic requirements may not be met. Remedy MBUSA will conduct a service campaign. An authorized Mercedes\-Benz dealer will update the FSCU software on the affected vehicles.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11022127-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11022127-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2023 MERCEDES\-BENZ AMG C43 4MATIC
- 2024 MERCEDES\-BENZ AMG GLC63 S E
- 2023 to 2024 MERCEDES\-BENZ AMG SL43
- 2022 to 2024 MERCEDES\-BENZ AMG SL55
- 2022 to 2023 MERCEDES\-BENZ AMG SL63

JSON: [/v1/bulletins/11022127](/v1/bulletins/11022127)

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