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RecallGazette

Vehicle problems, recalls & safety intelligence

Mercedes-Benz AMG GLC43 2023–2025 — service campaign

Bulletin NCU - 2026010002 · NHTSA communication 11027754 · issued Jan 23, 2026

Service campaign
communication type
Electrical System
component
2023–2025
model years
21
vehicle entries

Official summary

Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the drivetrain control unit software does not correspond to the current series production configuration. Consequently, the vehicle may experience temporary functional impairments, such as an increased operation of the vehicle cooling fan, no-start conditions, and various warnings and faults such as MIL or cooling system malfunction messages. All symptoms resolve following a bus idle and restart. MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will update the

Vehicles covered

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.