Mercedes-Benz S 450 2019–2023 — technical service bulletin
Bulletin SC-2023030009 · NHTSA communication 10233793 · issued Mar 27, 2023
Technical service bulletin
communication type
Equipment
component
2019–2023
model years
10
vehicle entries
Official summary
Update Digital Operator's Manual and enclose printed Operator's Manual, replace if necessary Model 223
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.