Mercedes-Benz GLE 350 2021 — technical service bulletin
Bulletin LI83.40-P-071168 · NHTSA communication 10191266 · issued Mar 30, 2021
Technical service bulletin
communication type
Equipment
component
2021
model years
7
vehicle entries
Official summary
Noise From Air Conditioner Housing (Humming)
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.