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RecallGazette

Vehicle problems, recalls & safety intelligence

Mercedes-Benz A 220 2019–2021technical service bulletin

Bulletin LI47.20-P-071172 · NHTSA communication 10253715 · issued Apr 23, 2024

Technical service bulletin
communication type
Electrical System
component
2019–2021
model years
30
vehicle entries

Official summary

Check engine light active and FC P146364 Temp. and pressure sensor B4/7 is stored in Engine control unit and Fuel pump control unit. Software parameter in Fuel pump control unit. Perform software update for Fuel System Control Module (FSCM) N118. New software is A0009026661.

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.