Mercedes-Benz AMG GLC43 2023–2026 — service campaign
Bulletin NCU - 2025090001 · NHTSA communication 11023932 · issued Oct 3, 2025
Service campaign
communication type
Unknown OR Other
component
2023–2026
model years
18
vehicle entries
Official 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.
Vehicles covered
- 2024 Mercedes-Benz AMG GLC43
- 2024 Mercedes-Benz AMG GLC43 4MATIC
- 2025 Mercedes-Benz AMG GLC43 4MATIC
- 2024 Mercedes-Benz AMG GLC43 4MATIC Coupe
- 2025 Mercedes-Benz AMG GLC43 4MATIC Coupe
- 2023 Mercedes-Benz GLC 300
- 2024 Mercedes-Benz GLC 300
- 2025 Mercedes-Benz GLC 300
- 2026 Mercedes-Benz GLC 300
- 2023 Mercedes-Benz GLC 300 4MATIC
- 2024 Mercedes-Benz GLC 300 4MATIC
- 2025 Mercedes-Benz GLC 300 4MATIC
- 2026 Mercedes-Benz GLC 300 4MATIC
- 2024 Mercedes-Benz GLC 300 4MATIC Coupe
- 2025 Mercedes-Benz GLC 300 4MATIC Coupe
- 2026 Mercedes-Benz GLC 300 4MATIC Coupe
- 2024 Mercedes-Benz GLC 300 Coupe
- 2025 Mercedes-Benz GLC 350 E 4MATIC
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.