Mercedes-Benz Metris 2014–2021 — technical service bulletin
Bulletin LI4730N0660142 · NHTSA communication 10205186 · issued Apr 6, 2018
Technical service bulletin
communication type
Fuel System, Gasoline
component
2014–2021
model years
8
vehicle entries
Official summary
Update document with remedy. Newly released purge valve.
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.