Mercedes-Benz SLK 350 Operator's Manual page 93

Global unlocking
Press button Πtwice.
All turn signal lamps flash once.
The lock buttons on the doors move up.
The anti-theft alarm system is dis-
armed ( page 85).
Global locking
Press button ‹.
With the hood, trunk and all doors
closed, all turn signal lamps flash three
times. The locking knobs on the doors
move down.
The anti-theft alarm system is armed
now ( page 85).
Restoring to factory setting
Press and hold buttons Œ and ‹
simultaneously for about six seconds.
Battery check lamp 5 flashes twice.
The SmartKey is set to the factory set-
ting again.
!
If you can no longer lock or unlock the
vehicle with the SmartKey, then the
batteries in the SmartKey are dis-
charged, the SmartKey is malfunction-
ing, or the vehicle battery is drained.
Check the batteries in the
SmartKey and replace them if nec-
essary ( page 378).
Use the mechanical key to lock/un-
lock the driver's door ( page 374).
Use the mechanical key to lock/un-
lock the trunk lid as required
( page 375).
Have the vehicle battery and the
battery connections checked
( page 396).
If the SmartKey is malfunctioning, con-
tact an authorized Mercedes-Benz
Center.
Controls in detail
Locking and unlocking
Unlocking the trunk lid
You can unlock and open the trunk lid sep-
arately.
Press and hold button Š on the
SmartKey until the trunk lid unlocks.
For opening the trunk, see "Opening
the trunk" ( page 95).
Checking the batteries
Press button ‹ or Œ.
Battery check lamp 5 comes on brief-
ly to indicate that the SmartKey batter-
ies are in order.
i
If battery check lamp 5 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries ( page 378).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.
93