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February 24, 2026 Service bulletin

Vehicles with SCR Generation 4: SCR/AdBlue® warning message cannot be reset with fault code P13DF00 or...

Mercedes-Benz technical service bulletin LI4920N075995 for 2019-2025 Mercedes-Benz Sprinter 2500, 2019-2025 Mercedes-Benz Sprinter 3500 and 2019-2024 Freightliner Sprinter 2500 and others.

Bulletin number
LI4920N075995
Component
Engine
Summary
Vehicles with SCR Generation 4: SCR/AdBlue® warning message cannot be reset with fault code P13DF00 or P300685 Complaint Vehicles with SCR Generation 4: SCR/AdBlue® warning message cannot be reset. Information: All fault codes in the AdBlue® (SCR) control unit have been processed and corrected; however, fault codes P13DF00 and P300685 remain active and stored in the AdBlue® (SCR) control unit. Cause The procedure for resetting the SCR/AdBlue® warning message with XENTRY Diagnosis has not been carried out. Information: Before resetting the SCR/AdBlue® warning message for SCR Generation 4, the AdBlue® system must be in proper working condition and tested.

Owners of these vehicles have filed 56 complaints in the engine category.

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