Mercedes-Benz EQB 250+ 2022–2023 — technical service bulletin
Bulletin NCU - 2023110004 · NHTSA communication 10246054 · issued Nov 16, 2023
Technical service bulletin
communication type
Electrical System
component
2022–2023
model years
4
vehicle entries
Official summary
Mercedes-Benz AG (â  MBAGâ  ), the manufacturer of Mercedes-Benz vehicles, has released a software update for certain MY 2022-2024 EQB (243 platform) vehicles that increases the robustness of the electronic drive unit (eATS), the battery management system (BMS), and DC charging (DCB). MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will update the Power Electronics Control Unit software â  Front Axle, on the affected vehicles.
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.