Mercedes-Benz EQB 250+ 2022–2025 — technical service bulletin
Bulletin LI54.10-P-079533 · NHTSA communication 11029977 · issued Mar 11, 2026
Technical service bulletin
communication type
Electrical System
component
2022–2025
model years
12
vehicle entries
Official summary
Complaint 243: Red 12V battery message, white HV warning message, warning message in the IC and if applicable for vehicles with BMS30EB02 yellow HV drive system 465: Red 12V battery message, white HV warning message, warning message in the IC If the initial warning messages are ignored in the same ignition cycle, additional warning messages, e.g. red HV warning message and yellow HV drive system warning message may be shown. The DC/DC converter has stored a combination of the following two fault code groups: 1. P0C3B00, P0E9700, P0E5400, P0C4000. 2. P1D0B00, P1CA000, U011500. In some cases, no
Vehicles covered
- 2023 Mercedes-Benz EQB 250+
- 2024 Mercedes-Benz EQB 250+
- 2025 Mercedes-Benz EQB 250+
- 2022 Mercedes-Benz EQB 300 4MATIC
- 2023 Mercedes-Benz EQB 300 4MATIC
- 2024 Mercedes-Benz EQB 300 4MATIC
- 2025 Mercedes-Benz EQB 300 4MATIC
- 2022 Mercedes-Benz EQB 350 4MATIC
- 2023 Mercedes-Benz EQB 350 4MATIC
- 2024 Mercedes-Benz EQB 350 4MATIC
- 2025 Mercedes-Benz EQB 350 4MATIC
- 2025 Mercedes-Benz G 580 EV
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.