Mercedes-Benz AMG C43 2022–2025 — technical service bulletin
Bulletin LI82.85-P-079530 · NHTSA communication 11020699 · issued Jul 12, 2025
Technical service bulletin
communication type
Electrical System
component
2022–2025
model years
21
vehicle entries
Official summary
Complaint The following most common complaints may be observed: • Brief connectivity interruptions when using Apple CarPlay over Wi-Fi • Audio cuts out • Device not recognized • No operation possible Cause There are multiple possible causes for an iPhone disconnecting from a vehicle’s head unit while using Apple CarPlay. These include hardware, software, and environmental factors: Environmental Interference: External Sources: • Passing under toll bridges, driving near airports, or areas with heavy electronic interference can cause connection drops. Cellular Networks: • Interference from nearby
Vehicles covered
- 2023 Mercedes-Benz AMG C43
- 2024 Mercedes-Benz AMG C43
- 2024 Mercedes-Benz AMG C63 S E
- 2024 Mercedes-Benz AMG GLC43
- 2025 Mercedes-Benz AMG GLC63 S E
- 2022 Mercedes-Benz C 300
- 2023 Mercedes-Benz C 300
- 2024 Mercedes-Benz C 300
- 2025 Mercedes-Benz C 300
- 2025 Mercedes-Benz E 350
- 2025 Mercedes-Benz E 350 4MATIC
- 2025 Mercedes-Benz E 450 4MATIC
- 2025 Mercedes-Benz E 450 4MATIC All-Terrain
- 2023 Mercedes-Benz GLC 300
- 2024 Mercedes-Benz GLC 300
- 2025 Mercedes-Benz GLC 300
- 2023 Mercedes-Benz GLC 300 4MATIC
- 2024 Mercedes-Benz GLC 300 4MATIC
- 2025 Mercedes-Benz GLC 300 4MATIC
- 2025 Mercedes-Benz GLE 450 4MATIC
- 2025 Mercedes-Benz GLE 450 4MATIC Coupe
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.