Mercedes-Benz SL 500 Operator's Manual page 97

Controls in detail
Locking and unlocking
Factory setting
Global unlocking
Grasp the door handle.
The vehicle will lock again automatically
within approximately 40 seconds of un-
locking if neither door nor trunk is opened.
i
The vehicle could inadvertently unlock
if the SmartKey with KEYLESS-GO is
within 3 ft (1 m) of the vehicle and
the door handle is splashed with
water
or
you attempt to clean the door
handle
Global locking
Press lock button at door handle
( page 55) or trunk ( page 98).
96
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey with
KEYLESS-GO so that grasping a door han-
dle only unlocks the driver's door, interior
lockable storage compartments and the
fuel filler flap.
Press and hold buttons Œ and ‹
simultaneously for about six seconds
until battery check lamp 5
( page 90) flashes twice.
The SmartKey with KEYLESS-GO will
then function as follows:
Unlocking the driver's door
Grasp the driver's door handle.
Global unlocking
Grasp the door handle on the passen-
ger side.
Global locking
Press lock button at door handle or
trunk lid.
Restoring to factory setting
Press and hold buttons Œ and ‹
simultaneously for about six seconds
until battery check lamp 5
( page 93) flashes twice.
!
If you can no longer lock or unlock the
vehicle with the SmartKey with
KEYLESS-GO, then the battery in the
SmartKey is discharged, the SmartKey
with KEYLESS-GO is malfunctioning or
the vehicle battery is drained.
Check the battery in the SmartKey
with KEYLESS-GO ( page 92) and
replace it if necessary
( page 328).
Use the mechanical key to unlock
the doors ( page 325).