Mercedes-Benz 2013 C-Class Coupe, Owner'S Manual

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Display messages Possible causes/consequences and
M
Solutions
Key not detected
(White display mes-
sage)
The KEYLESS-GO key cannot be detected at present.
X
Change the location of the key with the KEYLESS-GO functions
in the vehicle.
If the KEYLESS-GO key is still not detected:
X
Change the location of the key with the KEYLESS-GO functions
in the vehicle.
X
Operate the vehicle with the key in the ignition lock if necessary.
+
Key still in vehi‐
cle
The KEYLESS-GO key has been detected inside the vehicle during
locking.
X
Remove the KEYLESS-GO key from the vehicle.
+
Insert key
KEYLESS-GO is temporarily malfunctioning or is defective. A warn-
ing tone also sounds.
X
Insert the key into the ignition lock and turn it to the desired
position.
X
Visit a qualified specialist workshop.
Close doors
to lock veh. At least one door is open. A warning tone also sounds.
X
Close all doors and lock the vehicle again.
Key (12-button multifunction steering wheel)
Display messages Possible causes/consequences and
M
Solutions
Â
Key does not
belong to vehicle
You have put the wrong key in the ignition lock.
X Use the correct key.
Â
Replace key
The key needs to be replaced.
X Visit a qualified specialist workshop.
Â
Change key batter‐
ies
The batteries of the KEYLESS-GO key are discharged.
X
Change the batteries (
Y
page 85).
Display messages
279
On-board computer and displays
Z