2006 MERCEDES-BENZ CLK COUPE battery replacement

102 Controls in detailLocking and unlockingChecking the batteries
Press button‹orŒ.
Battery check lamp5 comes on
briefly to indicate that the SmartKey
batteries are in order.Unlocking and opening the trunk
You can unlock and open the trunk
separately.
A minimum height clearance of 5.71 ft
(1.74 m) is required to open the trunk lid.

Press and hold button Š until trunk
unlocks and begins to open.
The trunk can also be opened from its
inside in an emergency, see “Trunk emer-
gency release” (
page 118).Loss of SmartKey or mechanical key
If you lose a SmartKey or mechanical key,
you should do the following:

Have the SmartKey deactivated by an
authorized Mercedes-Benz Center.

Report the loss of the SmartKey or the
mechanical key immediately to your
car insurance company.

If necessary, have the mechanical lock
replaced.
Your authorized Mercedes-Benz Center
will be glad to supply you with a
replacement. If the SmartKey is malfunctioning,
contact an authorized Mercedes-Benz
Center.
!If battery check lamp5 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries (
page 409).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.
iIf the batteries are checked within
signal range of the vehicle, pressing
the‹orŒ button will lock or
unlock the vehicle accordingly.
!The trunk lid swings open upwards au-
tomatically. Always make sure there is
sufficient overhead clearance.
Vehicles with trunk opening/closing
system*: To stop the opening proce-
dure, press button Š. The trunk lid
stops moving.iIf the trunk does not open, it is still
locked separately (
page 119).

409 Practical hints
Replacing SmartKey batteries
Replacing SmartKey batteries
If the batteries in the SmartKey or the
SmartKey with KEYLESS-GO* are dis-
charged, 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 materials that can harm
the environment if disposed of improperly.
Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.Warning!
G
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.
iWhen inserting the batteries, make
sure they are clean and free of lint.
iWhen changing batteries, always
replace both batteries.
The required replacement batteries are
available at any Mercedes-Benz
Center.

410 Practical hintsReplacing SmartKey batteriesSmartKey
Replacement batteries: Lithium, type
CR 2025 or equivalent.
Remove the mechanical key
(page 404).
1Mechanical key
2Slide
3Battery compartment

Insert the mechanical key 1 in direc-
tion of arrow in side opening.

Using mechanical key1, push gray
slide2 to unlatch battery
compartment3.

Pull battery compartment3 out of the
housing in the direction of arrow.
4Battery
5Contact spring

Remove the batteries4 in direction of
arrow.

Using a lint-free cloth, insert new
batteries4 under the contact
spring5 with the positive terminal (+)
side facing up.

Return battery compartment 3 into
housing until it locks into place.

Slide mechanical key 1 back into the
SmartKey.

Check the operation of the SmartKey.

411 Practical hints
Replacing SmartKey batteries
SmartKey with KEYLESS-GO*
Replacement batteries: Lithium, type
CR 2025 or equivalent.
Remove the mechanical key
(page 404).

Insert the mechanical key in side open-
ing and push grey slide (
page 410).
The battery compartment is unlatched.

Pull the battery compartment out of the
housing (
page 410).1Battery
2Tilt battery up
3Mechanical key

Using mechanical key3, apply
pressure to position2.
Battery1 tilts up slightly.

Pull batteries1 out in the direction of
arrow.

Using a lint-free cloth, insert new
batteries1 under the contact spring
with the positive terminal (+) side
facing up.

Return battery compartment into hous-
ing until it locks into place.

Slide mechanical key 3 back into the
SmartKey.

Check the operation of the SmartKey
and the KEYLESS-GO*.