Key (12-button multifunction steering wheel)
Display messages
Possible causes/consequences and
M
M
Solutions
Â
Key does not
Key does not
belong to vehicle
belong to vehicle
You have put the wrong key in the ignition lock.
X
Use the correct key.
Â
Replace key
Replace key
The key needs to be replaced.
X
Visit a qualified specialist workshop.
Â
Change key batter‐
Change key batter‐
ies
ies
The batteries of the KEYLESS-GO key are discharged.
X
Change the batteries (
Y
page 79).
Â
Key not detected
Key not detected
(red display message)
The KEYLESS-GO key is not in the vehicle.
A warning tone also sounds.
If the engine is switched off, you can no longer lock the vehicle
centrally or start the engine.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Secure the vehicle against rolling away (
Y
page 164).
(
Y
page 164).
X
Locate the KEYLESS-GO key.
The KEYLESS-GO key is not detected while the engine is running
because there is interference from a strong source of radio waves.
A warning tone also sounds.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Secure the vehicle against rolling away (
Y
page 164).
X
Operate the vehicle with the key in the ignition lock if necessary.
Â
Key not detected
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
Operate the vehicle with the key in the ignition lock if necessary.
Â
Key still in vehi‐
Key still in vehi‐
cle
cle
The KEYLESS-GO key has been detected inside the vehicle during
locking.
X
Remove the KEYLESS-GO key from the vehicle.
Display messages
283
On
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Summary of Contents for GLK 300 4MATIC 2012
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