Mercedes-Benz AMG GLC43 2018–2020 — technical service bulletin
Bulletin NCU-EW Pressure · NHTSA communication 10249543 · issued Jan 18, 2024
Technical service bulletin
communication type
Fuel System, Gasoline
component
2018–2020
model years
18
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 USA, LLC (MBUSA) is extending the warranty coverage for the pressure sensor in certain Model Year (MY) hybrid 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 issue: The pressure sensor installed on the fuel tank or on the fuel filler neck might detect an electrical error as a result of contaminated fuel, which could cause the check
Vehicles covered
- 2018 Mercedes-Benz AMG GLC43
- 2019 Mercedes-Benz AMG GLC43
- 2020 Mercedes-Benz AMG GLC43
- 2018 Mercedes-Benz AMG GLC63
- 2019 Mercedes-Benz AMG GLC63
- 2020 Mercedes-Benz AMG GLC63
- 2020 Mercedes-Benz AMG GLC63 S
- 2018 Mercedes-Benz AMG GLC63S
- 2019 Mercedes-Benz AMG GLC63S
- 2018 Mercedes-Benz GLC 300
- 2019 Mercedes-Benz GLC 300
- 2020 Mercedes-Benz GLC 300
- 2018 Mercedes-Benz GLC 350
- 2019 Mercedes-Benz GLC 350
- 2020 Mercedes-Benz GLC 350
- 2018 Mercedes-Benz GLC 350 E
- 2020 Mercedes-Benz GLC 350 E
- 2019 Mercedes-Benz GLC350E
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.