Mercedes-Benz AMG E43 2017–2018 — technical service bulletin
Bulletin LI82-85-P-069555 · NHTSA communication 10162187 · issued May 20, 2019
Technical service bulletin
communication type
Equipment
component
2017–2018
model years
9
vehicle entries
Official summary
NTG5.5: High-frequency noise emitted from center speaker after door is opened
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.