Mercedes-Benz Sprinter 1500 2019–2020 — technical service bulletin
Bulletin LI41.10-N-071526 · NHTSA communication 10179953 · issued Jul 23, 2020
Technical service bulletin
communication type
Power Train
component
2019–2020
model years
8
vehicle entries
Official summary
Humming, droning noises and/or vibrations in propeller shaft
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.