Check engine lamp illuminated
Mercedes-Benz technical service bulletin LI20.10-P-074508 for 2016-2020 Mercedes-Benz C350E and 2018-2021 Mercedes-Benz GLC 350 E.
- Bulletin number
- LI20.10-P-074508
- Component
- Equipment adaptive/mobility
- Summary
- Complaint Check engine lamp illuminated. Fault code stored P012800-The coolant temperature is below the coolant thermostat specified temperature. Cause Various possible causes Remedy 1- Update HVAC with latest software 2- Perform guided test for fault P012800 and performed repairs per XENTRY diagnosis.
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