Mercedes-Benz SLK-Class 2012 Owners Manual - Manual (Page 229)

Display messages Possible causes/consequences and M Solutions
+
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 Apply the electric 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.
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 Apply the electric 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
Operate the vehicle with the SmartKey in the ignition lock.
+
Key Detect'd In
Vehicle
The KEYLESS-GO key has been detected inside the vehicle during
locking.
X
Remove the KEYLESS-GO key from the vehicle.
+
Remove 'Start'
Button and Insert
Key
KEYLESS-GO is temporarily malfunctioning or is defective. A
warning tone also sounds.
X
Insert the SmartKey into the ignition lock and turn it to the
desired position.
X Visit a qualified specialist workshop.
+
Close Doors to
Lock Vehicle
At least one door is open. A warning tone also sounds.
X Close all doors and lock the vehicle again.
Display messages
227
On-board
computer
and
displays
Z