Mercedes-Benz S-Class 2020 Owner's Manual page 93

90
Opening and closing
% If the door handle is not extended, touch
sensor surface 2 to unlock.
To lock the vehicle: touch recessed sensor
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surface 3.
Convenience closing: touch recessed sen‐
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sor surface 3 for an extended period.
% Further information on convenience closing
( page 101).
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Problems with KEYLESS-GO, troubleshooting
You can no longer lock or unlock the vehicle
using KEYLESS-GO
Possible causes:
The key functions have been deactivated.
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The key battery is weak or discharged.
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Activate the key functions (
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Check the battery using the indicator lamp
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( page 83).
/
Replace the key battery, if necessary
#
( page 85).
/
Use the replacement key.
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Use the emergency key to lock or unlock
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( page 91).
/
Have the vehicle and key checked at a quali‐
#
fied specialist workshop.
There is interference from a powerful radio
signal source.
The KEYLESS-GO function is impaired by, for
example:
high voltage power lines
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mobile phones
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electronic devices (notebooks, tablets)
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shielding due to metal objects or induction
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loops for electrical gate systems or auto‐
matic barriers
Make sure that there is sufficient distance
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between the key and the potential source of
page 84).
interference.
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Activating or deactivating the automatic
locking feature
Multimedia system:
©
4
Locking function
5
% The vehicle is locked automatically when the
ignition is switched on and the wheels are
turning faster than walking pace.
Activate or deactivate
#
In the following situations, there is a danger of
being locked out when the function is activated:
while the vehicle is being tow-started or
R
pushed
Settings Vehicle
5 5
Automatic locking.