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Practical hints
What to do if …
Display symbol Display messages Possible cause Possible solution
F
Key detected
in vehicle!
A SmartKey with KEYLESS-GO* left in the
vehicle was recognized while locking the
vehicle from the outside.
̈ Take the SmartKey out of the vehicle.
Keyless go
Check system
The KEYLESS-GO* system is malfunction-
ing.
̈ Visit an authorized Mercedes-Benz
Center as soon as possible.
Key
Do not forget key
This display appears (for a maximum of
60 seconds) if the driver’s door is opened
with the engine shut off and no SmartKey
in the starter switch.
This message is only a reminder.
̈ Insert SmartKey in the starter switch.
̈ Take the SmartKey with KEY-
LESS-GO* with you when leaving the
vehicle.
Remove key
! You have forgotten to remove the Smart-
Key.
̈ Remove the SmartKey from the start-
er switch.
Replace key
There is no additional code available for
SmartKey or SmartKey with
KEYLESS-GO*.
̈ Visit an authorized Mercedes-Benz
Center as soon as possible.