Mercedes-Benz A 220 2019–2021 — technical service bulletin
Bulletin EW - FSCM SW · NHTSA communication 10253706 · issued Apr 12, 2024
Technical service bulletin
communication type
Electrical System
component
2019–2021
model years
31
vehicle entries
Official summary
IMPORTANT EMISSION EXTENDED WARRANTY INFORMATION 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 on the Fuel System Control Module (FSCM) software 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: Under certain circumstances, the FSCM software for the fuel pressure sensor and fuel temperat
Vehicles covered
- 2019 Mercedes-Benz A 220
- 2020 Mercedes-Benz A 220
- 2020 Mercedes-Benz AMG A35
- 2020 Mercedes-Benz AMG CLA35
- 2020 Mercedes-Benz AMG CLA45
- 2021 Mercedes-Benz AMG GLA35
- 2021 Mercedes-Benz AMG GLA45
- 2020 Mercedes-Benz AMG GLB35
- 2021 Mercedes-Benz AMG GLB35
- 2021 Mercedes-Benz AMG GLE53
- 2020 Mercedes-Benz AMG GLE63
- 2021 Mercedes-Benz AMG GLE63
- 2021 Mercedes-Benz AMG GLE63 S
- 2020 Mercedes-Benz AMG GLS63
- 2021 Mercedes-Benz AMG GLS63
- 2020 Mercedes-Benz CLA 250
- 2021 Mercedes-Benz GLA 250
- 2020 Mercedes-Benz GLB 250
- 2021 Mercedes-Benz GLB 250
- 2020 Mercedes-Benz GLE 350
- 2021 Mercedes-Benz GLE 350
- 2020 Mercedes-Benz GLE 450
- 2021 Mercedes-Benz GLE 450
- 2020 Mercedes-Benz GLE 580
- 2021 Mercedes-Benz GLE 580
- 2020 Mercedes-Benz GLS 450
- 2021 Mercedes-Benz GLS450
- 2021 Mercedes-Benz GLS580
- 2020 Mercedes-Benz GLS 580 4MATIC
- 2021 Mercedes-Benz Maybach GLS600
- 2021 Mercedes-Maybach GLS 600
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.