Mercedes-Benz
Scheduling / Timer Function Malfunction
Wallbox time schedules or charging profiles do not execute as programmed; charging starts immediately instead of at set times.
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Possible Causes
Incorrect time or timezone set in Mercedes-Benz wallbox, Firmware bug in scheduling logic, Loss of internal clock backup power, Misconfiguration in app
How to Fix / Troubleshooting
Note: This is usually a configuration or firmware issue, not a hardware failure.
- Verify date and time: Use the app or web interface to check that the wallbox clock and timezone are correct.
- Recreate schedules: Delete existing schedules and recreate them carefully, ensuring correct days and start/end times.
- Check app vs. wallbox settings: Ensure there is no conflict between vehicle-side scheduling and wallbox scheduling.
- Firmware update: Install the latest firmware, which may fix known scheduling issues.
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Repair Difficulty
Very Easy
1/5
Required Part
Control Board Firmware / Real-Time Clock
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