Mercedes-Benz A 220 2020 — technical service bulletin
Bulletin LI47.50-P-070263 · NHTSA communication 10177566 · issued Jun 26, 2020
Technical service bulletin
communication type
Fuel System, Gasoline
component
2020
model years
8
vehicle entries
Official summary
Check engine light active and FC P146264 Temp. and pressure sensor B4/7 is stored in engine control unit and tank control unit. Software parameter in Fuel pump control unit. Update SW in FSCU control unit.
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.