Mercedes-Benz CL-Class 2004 Owners Manual - Manual (Page 314)

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Practical hints
What to do if …?
Display symbol Display messages Possible cause Possible solution
F KEY
CHECK BATTERY The battery in the KEYLESS-GO* key is
discharged. ̈ Change the battery ( ୴ page 332).
KEY
NOT RECOGNIZED! SmartKey with KEYLESS-GO* is not rec-
ognized while the engine is running be-
cause
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 centrally
locked nor can the engine be started again
after it has been stopped.
SmartKey with KEYLESS-GO* is momen-
tarily not recognized. ̈ Change the position of the SmartKey with
KEYLESS-GO* in the vehicle.
̈ Operate the vehicle with the SmartKey in
the starter switch if necessary.
KEY
DETECTED IN VEHICLE SmartKey with KEYLESS-GO*left in the
vehicle was recognized while locking the
vehicle from the outside. ̈ Take the SmartKey with KEYLESS-GO*
out of the vehicle.
KEY
DRIVE TO WORKSHOP! The KEYLESS-GO* system is malfunction-
ing. ̈ Visit an authorized Mercedes-Benz Cen-
ter as soon as possible.