Mercedes-Benz C 300 2020 — technical service bulletin
Bulletin LI18.40-P-070746 · NHTSA communication 10178711 · issued Jul 1, 2020
Technical service bulletin
communication type
Fuel System, Other
component
2020
model years
4
vehicle entries
Official summary
Message in the Instrument Cluster "Refill 1L Oil at the Next Fuel Stop"
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.