Mercedes-Benz S 500 2022 — technical service bulletin
Bulletin LI80.61-P-073490 · NHTSA communication 10203888 · issued Nov 1, 2021
Technical service bulletin
communication type
Latches/locks/linkages
component
2022
model years
3
vehicle entries
Official summary
"Hands-Free Access non-functional. Key LED flashes multiple times."
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.