Freightliner Sprinter 2500 2019–2024 — technical service bulletin
Bulletin LI49.20-N-078838 · NHTSA communication 11013593 · issued Feb 4, 2025
Technical service bulletin
communication type
Engine
component
2019–2024
model years
34
vehicle entries
Official summary
Check engine light or Adblue warning with fault codes P206B31, P203B31, or P300494 when outside temperatures are below 32 degrees Fahrenheit
Vehicles covered
- 2019 Freightliner Sprinter 2500
- 2020 Freightliner Sprinter 2500
- 2021 Freightliner Sprinter 2500
- 2022 Freightliner Sprinter 2500
- 2019 Freightliner Sprinter 3500
- 2020 Freightliner Sprinter 3500
- 2021 Freightliner Sprinter 3500
- 2022 Freightliner Sprinter 3500
- 2019 Freightliner Sprinter 4500
- 2020 Freightliner Sprinter 4500
- 2021 Freightliner Sprinter 4500
- 2022 Freightliner Sprinter 4500
- 2019 Freightliner Sprinter (VS30)
- 2020 Freightliner Sprinter (VS30)
- 2019 Mercedes-Benz Sprinter 2500
- 2020 Mercedes-Benz Sprinter 2500
- 2021 Mercedes-Benz Sprinter 2500
- 2022 Mercedes-Benz Sprinter 2500
- 2023 Mercedes-Benz Sprinter 2500
- 2024 Mercedes-Benz Sprinter 2500
- 2019 Mercedes-Benz Sprinter 3500
- 2020 Mercedes-Benz Sprinter 3500
- 2021 Mercedes-Benz Sprinter 3500
- 2022 Mercedes-Benz Sprinter 3500
- 2023 Mercedes-Benz Sprinter 3500
- 2024 Mercedes-Benz Sprinter 3500
- 2019 Mercedes-Benz Sprinter 4500
- 2020 Mercedes-Benz Sprinter 4500
- 2021 Mercedes-Benz Sprinter 4500
- 2022 Mercedes-Benz Sprinter 4500
- 2023 Mercedes-Benz Sprinter 4500
- 2024 Mercedes-Benz Sprinter 4500
- 2019 Mercedes-Benz Sprinter (VS30)
- 2020 Mercedes-Benz Sprinter (VS30)
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.