Mercedes-Benz EQE Operator's Manual page 191

Leaving the vehicle idle for lengthy periods
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at high ambient temperatures
To avoid accelerated aging, please
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observe the following recommendations
when handling the high-voltage battery.
Recommendations when handling the high-voltage
battery:
Every six months, when the outside tempera-
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ture is above 50 °F (10 °C), park the vehicle
overnight with a charge level below 20%.
Only charge the high-voltage battery with
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direct current (mode 4) if necessary.
Charge the high-voltage battery on average to
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a charge level of 80%. Beyond a charge level of
80%, the charging time is considerably pro-
longed.
If leaving the vehicle idle for lengthy periods,
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park up the vehicle with a high-voltage battery
charge level between 30% and 50%. Do not
keep the high-voltage battery continuously
connected to power supply equipment.
If leaving the vehicle idle for lengthy periods of
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time avoid, if possible, high ambient tempera-
tures.
Check the high-voltage battery's charge level
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every six weeks ( page 202).
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Charge the high-voltage battery if the charge
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level is below 20%.
Do not disconnect the 12 V battery even if the
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vehicle is left idle for a lengthy period. Other-
wise, the condition of the vehicle's high-volt-
age battery cannot be monitored.
You can contribute to reducing the vehicle's
energy consumption in the following ways:
An anticipatory driving style (
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Reduced use of electrical consumers
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Having the vehicle regularly maintained
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The charging time of the high-voltage battery may
change over the course of its life.
You can charge the high-voltage battery with both
alternating current (mode 2 or 3) and direct cur-
rent (mode 4).
page 179)
1
Socket for charging with alternating current
2 Socket extension for charging with direct cur-
rent
% When using a CCS (Combined Charging Sys-
tem) charging cable to charge with direct cur-
rent, both areas of the vehicle socket are cov-
ered by the charging cable connector.
Driving and parking 189