Mercedes-Benz 2009 M-Class Operator's Manual page 324

Practical hints
Vehicle status messages in the multifunction display
Display messages
Key Not Detected
I
Key Not Detected
I
Key Not Detected
I
Pull starting
I
button out then
insert key.
Bluetooth Ready
t
322
Possible cause/consequence
The SmartKey with KEYLESS-GO is not
detected while the engine is running
because the SmartKey is not in the
vehicle.
The SmartKey with KEYLESS-GO is not
detected while the engine is running
because there is strong radio-frequency
interference.
The SmartKey with KEYLESS-GO is
momentarily not detected.
The SmartKey with KEYLESS-GO is
permanently not detected.
The telephone has not yet been
connected to the COMAND system via
®
Bluetooth .
Possible solution
X
Stop the vehicle as soon as it is safe to do so.
X
Engage the parking brake.
X
Search for the SmartKey.
The vehicle cannot be locked centrally nor can
the engine be started again after the engine is
stopped.
X
Stop the vehicle as soon as it is safe to do so.
X
Engage the parking brake.
X
Operate the vehicle with the SmartKey in the
starter switch.
X
Change the position of the SmartKey in the
vehicle.
X
Operate the vehicle with the SmartKey in the
starter switch if necessary.
X
Operate the vehicle with the SmartKey in the
starter switch.
X
Contact an authorized Mercedes-Benz Center.
X
Connect the telephone to the COMAND system
®
via Bluetooth .