2004 MERCEDES-BENZ CLK320 COUPE key battery

92 Controls in detailLocking and unlockingFactory setting
Global unlocking
Pull the door handle.
The vehicle will lock again automatically
within approximately 40 seconds of un-
locking if neither door nor trunk is opened.
Global locking

Press lock button at door handle
(page 55) or trunk lid (
page 93).Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey with
KEYLESS-GO so when you, grasp the driv-
er’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
Grasp the driver’s door handle.
Global unlocking

Grasp the door handle on the pas-
senger side.
Global locking

Press lock button at door handle or
trunk lid.Restoring to factory setting

Press and hold buttonsŒ and‹
simultaneously for about six seconds
until battery check lamp5 flashes
twice.
iThe vehicles could inadvertently be un-
locked 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.
Warning!
G
When leaving the vehicle, always remove the
SmartKey from the starter switch, take the
SmartKey with KEYLESS-GO* with you and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. It is possible for children
to open a locked door from the inside, which
could result in an accident and/or serious
personal injury.

93 Controls in detail
Locking and unlocking
Locking the vehicle
1lock button at trunk
Press the lock button1.
or

Press the lock button at the driver’s
door (
page 55).
or

Vehicles with trunk lid opening/closing
system*, press the KEYLESS-GO lock-
ing/closing switch at the trunk lid
(page 102).
The vehicle locks. The turn signals
blinks three times to confirm locking.Checking the batteries

Press button‹ orŒ.
Battery check lamp5 comes on brief-
ly to indicate that the SmartKey batter-
ies 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 and replace them if nec-
essary (
page 345).


Use the mechanical key to unlock
the doors (
page 343) and the
trunk (
page 344).


Have the vehicle battery and the
battery connections checked.


Use the mechanical key to lock the
doors and the trunk (if applicable)
(page 344).
If the SmartKey with KEYLESS-GO 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 345).
You can obtain the required batteries
at any authorized Mercedes-Benz Cen-
ter.
iIf the batteries are checked within sig-
nal range of the vehicle, pressing
the‹ orŒ button will lock or
unlock the vehicle accordingly.

213 Controls in detail
Power windows
Opening (Summer opening feature)
Press and hold button Πafter un-
locking the vehicle.
The windows and sliding/pop-up roof*
begin to open after approximately one
second.

Release the Πbutton to stop proce-
dure.
Closing (Convenience feature)

Press and hold button ‹ after lock-
ing the vehicle.
The windows and sliding/pop-up roof*
begin to close after approximately one
second.

Release the ‹ button to stop proce-
dure.
Make sure all side windows and the slid-
ing/pop-up roof* are properly closed be-
fore leaving the vehicle.Closing the side windows and
sliding/pop-up roof* with KEYLESS-GO

Press and hold lock button at door
(page 55) until the side windows and
the sliding/pop-up* roof are closed.
Synchronizing power windows
The power windows must be resynchroni-
zed each time

after the battery has been disconnect-
ed.


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

Switch ignition on.

Pull the power window switches until
the side windows are closed.
Hold the switches for approximately
one second.
The power windows are adjusted.
Warning!
G
When closing the windows and the
sliding/pop-up roof* make sure there is no
danger of anyone being harmed by the clos-
ing procedure.
The windows will not automatically reopen 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 and the
sliding/pop-up roof* will open for about
two seconds if the door handle is held
but the door not opened.

217 Controls in detail
Sliding/pop-up roof*
Closing the sliding/pop-up roof with
KEYLESS-GO* (Convenience feature)
The power windows (
page 212) will also
be closed when the sliding/pop-up roof is
operated with the SmartKey.

Press and hold lock button at door
(page 55) until the side windows and
the sliding/pop-up roof are closed.
Synchronizing the sliding / pop-up roof
The power sliding/pop-up roof must be re-
synchronized each time after:

the battery has been disconnected


the sliding/pop-up roof has been
closed manually


the sliding/pop-up roof does not open
smoothly


a malfunction
Synchronizing

Switch on ignition.

Press and hold the switch in
direction1 until the sliding/pop-up
roof is fully raised at the rear.
Hold the switch for approximately one
second.
The sliding/pop-up roof is adjusted.
Warning!
G
When closing the windows and the
sliding/pop-up roof, make sure there is no
danger of anyone being harmed by the clos-
ing procedure.
The sliding/pop-up roof will not automati-
cally reopen 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 and the
sliding/pop-up roof will open for as long
as the door handle is held but the door
not opened.

251 Controls in detail
Useful features
Tele Aid The Tele Aid system
(Tele
matic A
larm I
dentification on D
e-
mand)
The Tele Aid system consists of three
types of response:


automatic and manual emergency


roadside assistance and


information
The Tele Aid system is operational provid-
ing that the vehicle’s battery is charged,
properly connected, not damaged and cel-
lular and GPS coverage is available.
The speaker volume of a Tele Aid call can
be adjusted when using the volume control
on the multifunction steering wheel. To
raise, press buttonæ and to lower,
press buttonç.

To activate, press the SOS button, the
Roadside Assistance button• or
the Information button¡, depend-
ing on the type of response required.Shortly after the completion of your
Tele Aid acquaintance call, you will receive
a user ID and password via first call mail.
By visiting www.mbusa.com and selecting
“Tele Aid” (USA only), you will have access
to account information, remote door un-
lock, Info Services profile and more.
!The initial activation of the Tele Aid sys-
tem may only be performed by com-
pleting the subscriber agreement and
placing an acquaintance call using the
SOS button. Failure to complete either
of these steps will result in a system
that is not activated. If the system is
not activated, the indicator lamp in the
SOS button stays on after turning
SmartKey in starter switch to
position2 or pressing KEYLESS-GO*
start/stop button twice to position2
(page 33). The message
Tele Aid
not activated
will be shown in the
multifunction display for approximately
ten seconds.
If you have any questions regarding ac-
tivation, please call the Response Cen-
ter at 1-800-756-9018 (in the USA) or
1-888-923-8367 (in Canada).
iThe SOS button is located above the in-
terior rear view mirror.
The Roadside Assistance button•
and the Information button¡ are
located below the center armrest cov-
er.!The Tele Aid system utilizes the cellular
network for communication and the
GPS (Global Positioning System) satel-
lites for vehicle location. If either of
these signals is unavailable, the
Tele Aid system may not function and if
this occurs, assistance must be sum-
moned by other means.

306 Practical hintsWhat to do if …?
What to do if …?Lamps in instrument clusterGeneral information:
If a bulb in the instrument cluster fails to
come on during the bulb self-check when turning the SmartKey in the starter switch
to position2, have it checked and replaced
if necessary.Problem
Possible cause
Suggested solution
-
The yellow ABS malfunction
indicator lamp comes on while
driving.
The ABS has detected a malfunction and has
switched off. The BAS and the ESP are also
switched off (see messages in display).
The brake system is still functioning normally
but without the ABS available.

Continue driving with added caution.
Wheels will lock during hard braking,
reducing steering capability.

Have the system checked at an autho-
rized Mercedes-Benz Center as soon
as possible.
Failure to follow these instructions in-
creases the risk of an accident.

Read and observe messages in the
display (
page 314).
The charging voltage has fallen below
10 volts. The ABS has switched off.
When the voltage is above this value
again, the ABS is operational again.
If necessary, have the generator (al-
ternator) and battery checked.

328 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 278).
Y
Hood open!
You are driving with the hood open.

Close the hood (
page 282).
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 345).
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.

345 Practical hints
Unlocking/locking in an emergency
Changing 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 autho-
rized 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
1Mechanical key
2Battery compartment
Replacement batteries: Lithium, type
CR 2025 or equivalent.

Remove mechanical key1
(page 343).

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

Pull the battery compartment out of the
SmartKey housing in direction of ar-
row.

Remove the batteries.
Warning!
G
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.
iWhen changing batteries, always re-
place both batteries.
The required replacement batteries are
available at any Mercedes-Benz
Center.