Mercedes-Benz E CLASS 2020 Operator's Manual page 68

66 Opening and closing
The trunk lid
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If the vehicle is not opened within approximately
40 seconds after unlocking, it locks again. Anti-
theft protection is armed again.
Do not keep the SmartKey together with elec‐
tronic devices or metal objects. This can affect
the SmartKey's functionality.
Activating/deactivating the acoustic locking
verification signal
Multimedia system:
Vehicle î Vehicle Settings
4 5
Acoustic Lock
5
Activate O or deactivate ª the function.
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Activating/deactivating the panic alarm
Requirements:
The ignition is switched off.
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% The panic alarm function is only available in
certain countries.
To activate: press button 1 for approx‐
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imately one second.
A visual and audible alarm is triggered.
To deactivate: briefly press button
#
or
Press the start/stop button on the cockpit
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(the SmartKey is inside the vehicle).
Changing the unlocking settings
Possible unlocking functions of the SmartKey:
Central unlocking
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Unlocking the driver's door and fuel filler flap
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To switch between settings: press the
#
Ü and ß buttons simultaneously for
approximately six seconds until the battery
check lamp flashes twice.
Options if the unlocking function for the driver's
door and fuel filler flap has been selected:
To unlock the vehicle centrally: press the
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Ü button twice.
Vehicles with KEYLESS-GO: if you touch
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the inner surface of the door handle on the
driver's door, only the driver's door and fuel
filler flap are unlocked.
1 again.
Deactivating the SmartKey functions
If you do not use the vehicle or a SmartKey for
an extended period of time, you can reduce the
energy consumption of the respective SmartKey.
To do so, deactivate the SmartKey functions.
To deactivate: press the ß button on the
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SmartKey twice in quick succession.
The battery check lamp of the SmartKey
flashes twice briefly and lights up once.