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February 4, 2025 Service bulletin

Check engine light or Adblue warning with fault codes P206B31, P203B31, or P300494 when outside...

Mercedes-Benz technical service bulletin LI49.20-N-078838 for 2019-2024 Mercedes-Benz Sprinter 2500, 2019-2024 Mercedes-Benz Sprinter 3500 and 2019-2022 Freightliner Sprinter 2500 and others.

Bulletin number
LI49.20-N-078838
Component
Engine
Summary
Check engine light or Adblue warning with fault codes P206B31, P203B31, or P300494 when outside temperatures are below 32 degrees Fahrenheit

Owners of these vehicles have filed 54 complaints in the engine category.

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