Mercedes-Benz S-Class 2020, Owner'S Manual

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