change battery in key MERCEDES-BENZ CLK350 2006 C209 Owner's Manual

403 Practical hints
What to do if …?
Display symbol
Display message
Possible cause/consequence
Possible solution
A
Reserve fuel
The fuel level has dropped below the re-
serve mark.

Refuel at the next gas station
(page 318).
Y
Hood open
You are driving with the hood open.

Close the hood (
page 322).
I
Remove key
You have forgotten to remove the
SmartKey.

Remove the SmartKey from the start-
er switch.
Replace key
No additional code available for SmartKey
or SmartKey with KEYLESS-GO*.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Key
Check battery
The SmartKey with KEYLESS-GO* batter-
ies are discharged.

Change the batteries (
page 435).
Key
not recognized
The SmartKey with KEYLESS-GO* is not
recognized while the engine is running be-
cause

the SmartKey is not in the vehicle


there is strong radio-frequency inter-
ference

Stop the vehicle as soon as it is safe to
do so.

Search for the SmartKey.
Otherwise the vehicle cannot be centrally
locked nor can the engine be started
again after the engine has been stopped.
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 necessary.
Keyless Go
Check system
The KEYLESS-GO* system is malfunction-
ing.

Visit an authorized Mercedes-Benz
Center as soon as possible.