# Service campaign NCU \- 2025090001

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: 11023932
- Published by NHTSA: 2025\-10\-06
- Manufacturer's number: NCU \- 2025090001
- Manufacturer's date: 2025\-10\-03
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

Issue Mercedes\-Benz AG, the manufacturer of Mercedes\-Benz vehicles, has determined that on certain subject vehicles, the TIREFIT sealant bottle may not meet specifications. The possibility exists that the sealant bottle may leak or may have been removed from the vehicle. Remedy MBUSA will conduct a service campaign. An authorized Mercedes\-Benz dealer will replace or install the TIREFIT bottle in the trunk.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023932-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023932-9999.pdf)

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

## Vehicles listed

- 2024 MERCEDES\-BENZ AMG GLC43
- 2024 to 2025 MERCEDES\-BENZ AMG GLC43 4MATIC COUPE
- 2023 to 2026 MERCEDES\-BENZ GLC 300
- 2023 to 2026 MERCEDES\-BENZ GLC 300 4MATIC
- 2024 to 2026 MERCEDES\-BENZ GLC 300 4MATIC COUPE
- 2024 MERCEDES\-BENZ GLC 300 COUPE
- 2025 MERCEDES\-BENZ GLC 350 E 4MATIC
- 2024 to 2025 MERCEDES\-BENZ REDUNDANT AMG GLC43 4MATIC

JSON: [/v1/bulletins/11023932](/v1/bulletins/11023932)

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