Locking the vehicle, Replacing smartkey batteries, Replace the batteries – Mercedes-Benz CL-Class 2009 User Manual
Page 543: Practical hints

Replacing SmartKey batteries
541
If you cannot lock the vehicle with the
SmartKey or with KEYLESS-GO, lock it as
follows:
X
Close the driver’s door and the trunk.
i
If you cannot close the trunk with the
remote trunk opening/closing switch,
lower the trunk lid manually and close it
with hands placed flat on the trunk lid until
it is engaged in its lock.
X
Open the passenger door.
X
Press down the locking knob of the driver’s
door manually.
X
Press down the locking knob of the
passenger door.
!
To prevent inadvertent lockout, make
sure to have the SmartKey with you before
proceeding with the next step. The next
step will lock the vehicle.
X
Exit the vehicle.
X
Lock the trunk with the mechanical key
(
X
Close the passenger door.
i
This procedure does not arm the anti-
theft alarm system, nor does it lock the fuel
filler flap.
If the batteries in the SmartKey are
discharged, the vehicle can no longer be
locked or unlocked. It is recommended to
have the batteries replaced at an authorized
Mercedes-Benz Center.
Batteries contain poisonous and corrosive
substances. Therefore, keep the batteries
out of reach of children.
If a battery is swallowed, seek medical help
immediately.
SmartKey batteries contain perchlorate
material, which may require special
handling and regard for the environment.
Check with your local government’s
disposal guidelines. California residents,
Batteries contain materials that can harm the
environment if disposed of improperly.
Recycling of batteries is the preferred method
of disposal. Many states/provinces require
Practical hints
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