2005 MERCEDES-BENZ CLK55AMG CABRIOLET key battery

102 Controls in detailLocking and unlockingGlobal locking
Press lock button at door handle
(page 58) or trunk lid (
page 104).
With the hood, trunk and both doors
closed, all turn signal lamps flash three
times. The locking knobs in the doors
move down. The anti-theft alarm sys-
tem is armed.Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey with
KEYLESS-GO so when you, pull the driver’s
door handle only the driver’s door and the
fuel filler flap unlocks.

Press and hold buttonsŒ and‹
simultaneously for about five seconds
until battery check lamp5 flashes
twice.
The SmartKey with KEYLESS-GO will then
function as follows:
Unlocking driver’s door and fuel filler
flap

Pull the driver’s door handle.
All turn signal lamps flash once. The
locking knob in the driver’s door moves
up. The anti-theft alarm system is
disarmed.Global unlocking

Pull the door handle on the passenger
side.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is
disarmed.
Global locking

Press lock button at door handle.
With the hood, trunk and both doors
closed, all turn signal lamps flash three
times. The locking knobs in the doors
move down. The anti-theft alarm sys-
tem is armed.
iThe vehicle could inadvertently be
unlocked 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.
iYou can also lock the vehicle using the
lock button at trunk lid (
page 104).

103 Controls in detail
Locking and unlocking
Restoring to factory setting
Press and hold buttonsŒ and‹
simultaneously for about six seconds
until battery check lamp5 flashes
twice.Checking the batteries

Press button‹ orŒ.
Battery check lamp5 comes on
briefly to indicate that the SmartKey
batteries are in order.
!If you can no longer lock or unlock the
vehicle with the SmartKey with
KEYLESS-GO, then the batteries in the
SmartKey are discharged, the
SmartKey with KEYLESS-GO is mal-
functioning or the vehicle battery is
drained.

Check the batteries in the
SmartKey (
page 103) and
replace them if necessary
(
page 412).


Use the mechanical key to unlock
the driver’s door (
page 397) and
the trunk (
page 398).


Have the vehicle battery and the
battery connections checked
(page 427).


Use the mechanical key to lock the
driver’s door (
page 398).
If the SmartKey with KEYLESS-GO is
malfunctioning, contact an authorized
Mercedes-Benz Center.
iIf battery check lamp5 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries (
page 412).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.
iIf the batteries are checked within sig-
nal range of the vehicle, pressing
the‹ orŒ button will lock or
unlock the vehicle accordingly.

109 Controls in detail
Locking and unlocking
Trunk lid emergency release
The emergency release button is located
on the inside of the trunk lid.
1Emergency release button
Briefly press emergency release
button1.
The trunk lid unlocks and the trunk lid
opens.Illumination of the emergency release but-
ton:


The button will flash for 30 minutes
after opening the trunk.


The button will flash for 60 minutes
after closing the trunk.
!The trunk lid swings open upwards au-
tomatically.
iThe emergency release button unlocks
and opens the trunk while the vehicle is
standing still or in motion.iThe emergency release button does
not open the trunk lid if the vehicle
battery is discharged or disconnected.
iIf the emergency release button is
pressed and the vehicle was centrally
locked, the exterior lamps will flash and
the alarm will sound as the trunk lid
opens. To cancel the alarm, do one of
the following:

press buttonŒ or‹ on the
SmartKey.


insert the SmartKey in the starter
switch.
In vehicles with KEYLESS-GO*:


pull the outside door handle.


press the start/stop button.

243 Controls in detail
Power windows
Opening (Summer opening feature)
Press and hold button Πafter
unlocking the vehicle.
The windows and soft top begin to
open after approximately one second.

Release the Πbutton to stop
procedure.
Closing (Convenience feature)

Press and hold button ‹ after
locking the vehicle.
The windows and soft top begin to
close after approximately one second.

Release the ‹ button to stop
procedure.
Make sure all side windows and the
soft top are properly closed before leaving
the vehicle.Closing the side windows with
KEYLESS-GO*

Press and hold lock button at door
(page 58) until the side windows are
closed.
Synchronizing power windows
The power windows must be resynchro-
nized each time

after the battery has been
disconnected.


if the power windows cannot be fully
opened (Express-open) or closed
(Express-close).

Switch on the ignition (
page 36).

Pull the power window switches until
the side windows are closed.
Hold the switches for approximately
one second.
The power windows are synchronized.
Warning!
G
When closing the windows, make sure there
is no danger of anyone being harmed by the
closing procedure.
The windows will not automatically re-open
if blocked during convenience closing.
If potential danger exists, proceed as fol-
lows:

Release the lock button.


Pull on the door handle and hold firmly.
The side windows will open for about
two seconds if the door handle is held
but the door not opened.

353 Practical hints
What to do if …?
Where will I find...?
Unlocking/locking in an emergency
Opening/closing in an emergency
Replacing batteries in the SmartKey/ SmartKey with KEYLESS-GO*
Replacing bulbs
Replacing wiper blades
Flat tire
Battery
Jump starting
Towing the vehicle
Fuses

382 Practical hintsWhat to do if …?Display symbol
Display message
Possible cause
Possible solution
A
Reserve fuel
The fuel level has dropped below the re-
serve mark.

Refuel at the next gas station
(page 302).
Y
Hood open!
You are driving with the hood open.

Close the hood (
page 306).
I
Remove key
You have forgotten to remove the
SmartKey.

Remove the SmartKey from the start-
er switch.
Replace key
No additional code available for SmartKey
or SmartKey with KEYLESS-GO*.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Key
Check battery!
The SmartKey with KEYLESS-GO* batter-
ies are discharged.

Change the batteries (
page 412).
Key
not recognized!
The SmartKey with KEYLESS-GO* is not
recognized while the engine is running be-
cause

the SmartKey is not in the vehicle


there is strong radio-frequency inter-
ference

Stop the vehicle as soon as it is safe to
do so.

Search for the SmartKey.
Otherwise the vehicle cannot be centrally
locked nor can the engine be started
again after the engine has been stopped.
The SmartKey with KEYLESS-GO* is mo-
mentarily not recognized.

Change the position of the SmartKey
in the vehicle.

Operate the vehicle with the SmartKey
in the starter switch if necessary.
Keyless Go
Check system
The KEYLESS-GO* system is malfunction-
ing.

Visit an authorized Mercedes-Benz
Center as soon as possible.

412 Practical hintsReplacing batteries in the SmartKey/ SmartKey with KEYLESS-GO*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.
SmartKey
Replacement batteries: Lithium, type
CR 2025 or equivalent.
Remove mechanical key1
(page 397).
1Mechanical key
2Battery compartment

Insert mechanical key 1 in side
opening and push gray slide.
Battery compartment2 is unlatched.

Pull battery compartment 2 out of the
SmartKey housing in direction of
arrow.
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 re-
place both batteries.
The required replacement batteries are
available at any Mercedes-Benz
Center.

413 Practical hints
Replacing batteries in the SmartKey/ SmartKey with KEYLESS-GO*

Remove the batteries.
3Battery
4Contact spring

Using a lint-free cloth, insert new
batteries 3 under the contact
spring4 with the plus (+) side facing
up.

Return battery compartment 2 into
housing until it locks into place.

Slide mechanical key 1 back into the
SmartKey.

Check the operation of the SmartKey.
SmartKey with KEYLESS-GO*
Replacement batteries: Lithium, type
CR 2025 or equivalent.
Remove mechanical key (
page 397).

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

Pull the battery compartment out of the
SmartKey housing.
1Battery
2Tilt battery up
3Mechanical key

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

Pull batteries1 out in direction of
arrow.

Using a lint-free cloth, insert new
batteries1 with the plus (+) side
facing up.

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

Slide mechanical key 1 back into the
SmartKey.

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