smart Fortwo 2016–2017 — warranty extension
Bulletin EW- 2nd Air Injection Com · NHTSA communication 11031591 · issued Feb 18, 2022
Warranty extension
communication type
Engine
component
2016–2017
model years
4
vehicle entries
Official summary
In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz AG (“MBAG”), the manufacturer of the Mercedes-Benz vehicles is extending the warranty coverage on the secondary air injection system combination valve in certain Model Year (“MY”) vehicles listed below from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 15 years / 150,000 miles (whichever occurs first) due to the following condition: • The secondary air injection system combination valve may not close completely under certain
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.