Mercedes-Benz GL-Class 2012 Owners Manual - Manual (Page 259)

Display messages Possible causes/consequences and M Solutions
+
Key Not Detected
(Red display message)
The KEYLESS-GO key is not in the vehicle.
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 Engage the parking brake.
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.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Engage the parking brake.
X Operate the vehicle with the SmartKey in the ignition lock.
+
Key Not Detected
(White display
message)
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 SmartKey in the ignition lock.
+
Key Detected in
Vehicle
The KEYLESS-GO key has been detected inside the vehicle during
locking.
X Remove the KEYLESS-GO key from the vehicle.
+
Pull starting
button out then
insert key.
The KEYLESS-GO key can continuously not be detected.
X Insert the SmartKey into the ignition lock and turn it to the
desired position.
X Visit a qualified specialist workshop.
Display messages
257
On-board computer and displays
Z