Mercedes-Benz E-Class 2007 Owners Manual - Manual (Page 422)

421
Practical hints
What to do if …
Display symbol Display message Possible cause/consequence Possible solution
F Change
key batteries The SmartKey with KEYLESS-GO* batter-
ies are discharged. ̈ Replace the batteries ( ୴ page 441).
Key
not recognized The SmartKey with KEYLESS-GO* is not
recognized while the engine is running
because
ț the SmartKey with KEYLESS-GO* is
not in the vehicle
ț there is strong radio-frequency inter-
ference
̈ 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.
Key
not recognized The SmartKey with KEYLESS-GO* is mo-
mentarily not recognized. ̈ Change the position of the SmartKey
in the vehicle.
̈ Operate the vehicle with the
SmartKey in the starter switch if nec-
essary.