Mercedes-Benz AMG C43 2022–2025 — technical service bulletin
Bulletin LI00.20-P-078424 · NHTSA communication 11012909 · issued Jan 14, 2025
Technical service bulletin
communication type
Electrical System
component
2022–2025
model years
17
vehicle entries
Official summary
Complaint The remaining time shown on the instrument cluster in the workshop menu (days to next due service) is implausible (> < 365 days) for the following conditions: • for the date of the vehicle handover • or the last conducted and confirmed Service A/B Cause The following conditions can occur on vehicles with a disconnected on-board electrical system battery (12V/48V): • The period in which the on-board electrical system battery is disconnected cannot be counted by the maintenance computer. • As soon as the on-board electrical system battery is connected again, the maintenance computer au
Vehicles covered
- 2023 Mercedes-Benz AMG C43
- 2024 Mercedes-Benz AMG C43
- 2024 Mercedes-Benz AMG C63 S E
- 2024 Mercedes-Benz AMG GLC43
- 2022 Mercedes-Benz C 300
- 2023 Mercedes-Benz C 300
- 2024 Mercedes-Benz C 300
- 2024 Mercedes-Benz E 350
- 2025 Mercedes-Benz E 350
- 2025 Mercedes-Benz E 350 4MATIC
- 2024 Mercedes-Benz E 450
- 2025 Mercedes-Benz E 450 4MATIC
- 2025 Mercedes-Benz E 450 4MATIC All-Terrain
- 2023 Mercedes-Benz GLC 300
- 2024 Mercedes-Benz GLC 300
- 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.