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RecallGazette

Vehicle problems, recalls & safety intelligence

Mercedes-Benz A 220 2019–2025 — technical service bulletin

Bulletin LI54.30-P-079004 · NHTSA communication 11017210 · issued Apr 22, 2025

Technical service bulletin
communication type
Electrical System
component
2019–2025
model years
60
vehicle entries

Official summary

Complaint The message "Device detected at diagnostics connection See Operator’s Manual" appears sporadically in the multifunction display of the instrument cluster while driving (see picture in attachment). Cause For vehicles with HERMES 3.0, • A2389015700 • A2389015800 • A2389018400 • A2389018900 • A2389019000 • A2389019800 • A2579011200 • A2579012100 the above-mentioned message is sporadically displayed in the instrument cluster once the over-the-air update to software release E843 (Software part number A2389022409) has been performed. The coding was performed incompletely here. Remedy A rel

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.