Checking the battery
Press the or
button.
The battery is working properly if battery
check lamp 1 lights up briefly
If battery check lamp 1 does not light up briefly during the test, the battery is discharged.
Changing the battery.
You can obtain the battery at a qualified specialist workshop.
If the SmartKey battery is checked within the signal reception range of the vehicle, pressing the or button locks or unlocks the vehicle.
See also:
Charging the battery
WARNING
Never charge a battery still installed in the vehicle unless
a battery charger unit approved by Mercedes-Benz is being used. Gases may escape
during charging and cause explosions tha ...
Convenience
Activating/deactivating the EASYENTRY/
EXIT feature
You can use the Easy Entry/Exit: function
to activate or deactivate the EASY ENTRY/EXIT feature.
WARNING
You must make sure no one can becom ...
Activating/deactivating airrecirculation
mode
You can deactivate the flow of fresh air if
unpleasant odors are entering the vehicle
from outside. The air already inside the
vehicle will then be recirculated.
The operation of air-recirculat ...