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RecallGazette

Vehicle problems, recalls & safety intelligence

Mercedes-Benz CLS 450 2017–2022technical service bulletin

Bulletin LI2700P073532 · NHTSA communication 10205785 · issued Aug 25, 2021

Technical service bulletin
communication type
Power Train
component
2017–2022
model years
21
vehicle entries

Official summary

If TRANSMISSION 725.1 9G TRONIC FACELIFT exhibits any "shift quality" concerns, vared diagnosis procedures are available to you for selected vehicle model series with STAR3 architecture,

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.