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F
CHIP CARD
CHECK BATTERY
CHIP CARD
NOT RECOGNIZED!
CHIP CARD
DETECTED IN VEHICLE
CHIP CARD
VISIT WORKSHOP!
Possible cause
KEYLESS-GO*card batteries are dis-
charged.
KEYLESS-GO*card is not recognized while
the engine is running because
the card is not in the vehicle
there is strong radio-frequency interfer-
ence
KEYLESS-GO*card is momentarily not rec-
ognized.
KEYLESS-GO*card left in the vehicle was
recognized while locking the vehicle from
the outside.
The KEYLESS-GO* system is malfunction-
ing.
Practical hints
What to do if ...?
Suggested solution
Change the batteries ( page 328).
Stop the vehicle as soon as it is safe
to do so.
Search for the card.
Otherwise the vehicle cannot be central-
ly locked nor can the engine be started
again after it has been stopped.
Change the position of the card in
the vehicle.
Operate the vehicle with the
SmartKey in the ignition if necessary.
Take the card out of the vehicle.
Visit an authorized Mercedes-Benz
Center as soon as possible.
303
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