Mercedes-Benz EQS 450 2022–2023 — technical service bulletin
Bulletin NCU-2022110009 · NHTSA communication 10228826 · issued Dec 6, 2022
Technical service bulletin
communication type
Electrical System
component
2022–2023
model years
3
vehicle entries
Official summary
Update powertrain and instrument cluster control unit software
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.