Mercedes-Benz 2007 E -Class Wagon Operator's Manual page 420

Display symbol Display messages
F
Change
key batteries
Key
not recognized
Key
not recognized
Possible cause/consequence
The SmartKey with KEYLESS-GO* batter-
ies are discharged.
The SmartKey with KEYLESS-GO* is not
recognized while the engine is running
because
the SmartKey with KEYLESS-GO* is
not in the vehicle
there is strong radio-frequency inter-
ference
The SmartKey with KEYLESS-GO* is mo-
mentarily not recognized.
Practical hints
What to do if ...
Possible solution
Replace the batteries ( page 440).
Stop the vehicle as soon as it is safe
to do so.
Search for the SmartKey with
KEYLESS-GO*.
Otherwise the vehicle cannot be cen-
trally locked nor can the engine be
started again after the engine is
stopped.
Change the position of the SmartKey
in the vehicle.
Operate the vehicle with the
SmartKey in the starter switch if nec-
essary.
419