Mercedes-Benz Sprinter 1500 2020 — technical service bulletin
Bulletin V-SC-2020120012 · NHTSA communication 10186325 · issued Dec 16, 2020
Technical service bulletin
communication type
Engine
component
2020
model years
4
vehicle entries
Official summary
Retrofit Lock Nut on Exhaust System
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.