Mercedes-Benz S 500 2021–2022 — technical service bulletin
Bulletin LI54.30-P-073761 · NHTSA communication 10208739 · issued Feb 16, 2022
Technical service bulletin
communication type
Electrical System
component
2021–2022
model years
6
vehicle entries
Official summary
Complaint The oil level is not correctly displayed while the instrument cluster display is in workshop mode. The oil level is reported in an inverted fashion when a correction is carried out. I.e. instead of an instruction to refill the oil quantity, an instruction to reduce the oil level is displayed, or vice versa. Cause Previous software release for instrument cluster control unit (N133/1) Remedy Update instrument cluster control unit (N133/1) software using XENTRY Diagnosis
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.