Mercedes-Benz Metris 2014–2016 — technical service bulletin
Bulletin LI07 00-N-068683 · NHTSA communication 10151997 · issued Aug 21, 2018
Technical service bulletin
communication type
Fuel System, Diesel
component
2014–2016
model years
3
vehicle entries
Official summary
Complaint of Fuel Odor with Model 447 with M274 Engine
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.