Mercedes-Benz S-Class Saloon 2021 Owner's Manual page 494

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Display messag
Displa
y messages
es
Á
Change key batteries
Á
Key not detected
(white dis-
play message)
Á
Key not detected
(red dis-
play message)
Possible causes/conseq
P
ossible causes/consequences and
uences and
* The key battery is discharged.
Replace the battery (
/
#
* The key is currently undetected.
Change the location of the key in the vehicle.
#
If the key is still not recognised, place it in the slot for starting with the key (
#
* The key cannot be detected and may no longer be in the vehicle.
The key is no longer in the vehicle and you switch o the vehicle:
You can no longer start the vehicle.
R
You cannot centrally lock the vehicle.
R
Ensure that the key is in the vehicle.
#
If the key detection function has a malfunction due to a strong radio signal source:
Stop the vehicle immediately in accordance with the tra c conditions.
#
Place the key in the slot for starting the engine with the key (
#
M M
Solutions
Solutions
page 85).
Display messages and warning/indicator lamps 491
page 202).
/
page 202).
/
491

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