Exhaustive discharge caused by the battery being idle for lengthy periods can damage the high-voltage battery.
You can check the charge level of the high-voltage battery in the multimedia system: More
Recuperation
Combustion engine (CHARGE operating mode)
Mains outlet (mode 2)
Wallbox (mode 3)
Charging station (mode 3)
The high-voltage battery can be charged in a nominal voltage range from 100 V to 400 V.
High or low outside temperatures
Switching on consumers
Operating the climate control system
Extended periods without charging
High or low outside temperatures
Extended periods without charging
The maximum available charging current from the mains supply
The charging current set in the on-board computer