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November 12, 2025 Service bulletin

Diverse messages in the instrument cluster, vehicle will not start, gears cannot be engaged Complaint...

Mercedes-Benz technical service bulletin LI54.21-N-069524_7 for 2021-2025 Mercedes-Benz Sprinter 2500, 2021-2025 Mercedes-Benz Sprinter 3500 and 2021-2024 Freightliner Sprinter 2500 and others.

Bulletin number
LI54.21-N-069524_7
Component
Engine
Summary
Diverse messages in the instrument cluster, vehicle will not start, gears cannot be engaged Complaint Vehicle cannot be started, various messages in instrument cluster, gears cannot be engaged, ignition cannot be switched on, central locking has malfunction. Cause Water entry or condensation on vehicle, resulting possibly in oxidation at plug and/or water/moisture entry in control unit N73/8 for Electronic Ignition Lock (EIS) and/or N127 Powertrain Control unit (CPC). Remedy Check control unit N73/8 for Electronic Ignition Lock (EIS) and N127 Powertrain Control unit (CPC) for water entry/moisture traces. If water entry / moisture traces are visible on control unit N73/8 for Electronic Ignition Lock (EIS) and/or N127 Powertrain Control unit (CPC), please localize the leaky area and rectify the leak.

Owners of these vehicles have filed 25 complaints in the engine category.

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