smart Fortwo 2016–2017 — warranty extension
Bulletin EW - Change-Over Valve · NHTSA communication 11031639 · issued Mar 11, 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 Mercedes-Benz vehicles is extending the warranty coverage on the change-over valve in certain Model Year (“MY”) vehicles listed below from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 10 years/120,000 miles (whichever occurs first) due to the following condition: • The change-over valve, which is responsible for the vacuum control to open and close the heating shut-off valve within the coola
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.