99
Controls in detail
Locking and unlocking
Checking the battery
̈ Press button ‹ or Œ.
Battery check lamp 5 comes on brief-
ly to indicate that the SmartKey with
KEYLESS-GO battery is in order.
Global locking using the lock button on
the trunk lid
1 Lock button
̈ Press lock button 1 on the trunk lid.
All turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.
ț Have the vehicle battery and the
battery connections checked
(
୴ page 391).
If the SmartKey with KEYLESS-GO is
malfunctioning, contact an authorized
Mercedes-Benz Center.
!
If battery check lamp 5 does not
come on briefly during check, the
SmartKey with KEYLESS-GO battery is
discharged.
Replace the battery (
୴ page 377).
You can obtain the required battery at
any authorized Mercedes-Benz Center.
i
If the battery is checked within signal
range of the vehicle, pressing the
button ‹ or Œ will lock or unlock
the vehicle accordingly.
i
To prevent a possible inadvertent lock-
out, the trunk will open automatically if
a SmartKey with KEYLESS-GO is recog-
nized inside the vehicle or in the trunk.
i
You can also lock the vehicle using the
lock button on an outside door handle
(
୴ page 60) or, vehicles with trunk
opening/closing system*,
KEYLESS-GO locking/closing switch
(
୴ page 107).
