Mercedes-Benz 2006 SL 500 Operator's Manual page 374

Left display Right display
F
Key
not detected
Key
not detected
Possible cause/consequence
The SmartKey with KEYLESS-GO* is
not recognized while the engine is
running because:
The SmartKey with
KEYLESS-GO* is not in the vehi-
cle.
There is strong radio-frequency
interference.
The SmartKey with KEYLESS-GO* is
not recognized when attempting to
start the engine with the
KEYLESS-GO start/stop button* on
the gear selector lever because:
The SmartKey with
KEYLESS-GO* is not in the vehi-
cle.
The battery in the SmartKey
with KEYLESS-GO* is not insert-
ed properly or completely dis-
charged.
Possible solution
Stop the vehicle as soon as it is safe to do so.
Search for the SmartKey with KEYLESS-GO*
or continue to operate the vehicle with the
SmartKey.
Otherwise the vehicle cannot be centrally
locked nor can the engine be started again af-
ter the engine is stopped.
Change the position of the SmartKey with
KEYLESS-GO* in the vehicle.
Make sure the battery in the SmartKey with
KEYLESS-GO* is properly inserted
( page 390) and is not discharged
( page 106).
Operate the vehicle with the SmartKey if
necessary.
Practical hints
What to do if ...
373