2003 MERCEDES-BENZ SLK CLASS key battery

29 Getting started
Unlocking
Steering lock positionsSteering lock0For removing key
The steering is locked when the key is
removed from the steering lock. If nec-
essary, move steering wheel slightly to
allow the locking mechanism to en-
gage.
1Power supply to some electrical con-
sumers, such as seat adjustment
2Ignition (power supply for all electrical
consumers) and driving position
3Starting position
Warning!
G
When leaving the vehicle, always remove the
key from the steering lock and lock the vehi-
cle. Do not leave children unattended in the
vehicle, or with access to an unlocked vehi-
cle. Unsupervised use of vehicle equipment
may cause an accident and/or serious per-
sonal injury.iThe key can only be withdrawn in
position0.
If necessary, move steering wheel
slightly to allow the key to be turned
clockwise to position1.
Vehicles with automatic transmission:
The key can only be removed from the
steering lock with the gear selector
lever in positionP.
!To prevent accelerated battery dis-
charge and a possible dead battery,
always remove the key from the
steering lock.

41 Getting started
Driving
Automatic transmission*Gearshift pattern for automatic
transmissionPPark position with selector lever lock
RReverse gear
NNeutral
DDrive positionStarting

Make sure that the gear selector lever
is set toP .

Do not depress the accelerator.

Turn the key in the steering lock to
position3. Release when the engine is
firing regularly (
page 29).

Depress the brake pedal.
The selector lever lock is released.
For information on turning off the engine
(
page 48).
More information can be found in the
“Controls in detail” section (
page 93).Starting difficulties
If the engine does not start as described,
carry out the following steps:

Turn the key in steering lock to
position0 and repeat starting proce-
dure.
Remember that extended starting at-
tempts can drain the battery

Get a jump start (
page 247).
If the engine does not start after several
starting attempts, there could be a mal-
function in the engine electronics or in the
fuel supply system.

Notify an authorized Mercedes-Benz
Center.!Ensure that the brake pedal is de-
pressed when starting the engine.

71 Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating

Removing the key from the steering
lock activates the immobilizer.
Deactivating


Inserting the key in the steering lock
deactivates the immobilizer.
Anti-theft alarm system
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens

a door


the trunk


the hood.
The alarm system will also be triggered
when


someone attempts to raise the vehicle.Arming the alarm system
The alarm system is armed within approxi-
mately 10 seconds after locking the vehi-
cle. The indicator lamp in the switch for the
tow-away alarm (
page 72) will then
blink.
Disarming the alarm system
The alarm system is disarmed when you
unlock your vehicle with the remote con-
trol.
Canceling the alarm
To cancel the alarm:

Insert the key in the steering lock.
or

Press the
Œ
or
‹
button.
iIn case the engine cannot be started
(yet the vehicle’s battery is charged),
the system is not operational. Contact
an authorized Mercedes-Benz Center
or call 1-800-FOR-MERCedes (in the
USA), or 1-800-387-0100 (in Canada).
iIf the alarm stays on for more than
20 seconds, an emergency call is initi-
ated automatically by the Tele Aid sys-
tem provided Tele Aid service was
subscribed to and properly activated,
and that necessary cellular service and
GPS coverage are available.

74 Controls in detailLocking and unlockingIn the “Controls in detail” section you will
find detailed information on how to oper-
ate the equipment installed in your vehicle.
If you are already familiar with the basic
functions of your vehicle, this section will
be of particular interest to you.
To quickly familiarize yourself with the ba-
sic functions of the vehicle, refer to the
“Getting started” section of this manual.
The corresponding page numbers are giv-
en at the beginning of each segment.
Locking and unlockingKeys
More information on the remote control
with folding key can be found in the “Get-
ting started” section (
page 28).
Your vehicle comes supplied with two re-
mote controls with folding key.
The remote control provides an extended
operating range. To prevent theft, howev-
e r , i t i s a d v i s a b l e t o o n l y u n l o ck t he v e h i cl e
when you are in close proximity to it.
The remote control centrally locks and un-
locks:


the doors


the trunk


the fuel filler flap


the storage compartment in armrest
You can lock and unlock each individual
lock with the key.
Remote control with folding key1Œ
Unlock button
2
‹
Lock button
3Release button for key
4Battery check lamp
5
Â
Panic button (
page 65)
!To prevent possible malfunction, avoid
exposing the remote control to high
levels of electromagnetic radiation.

75 Controls in detail
Locking and unlocking
Factory setting
Global unlocking
Press button
Œ
.
All turn signal lamps blink once. The
locking knobs in the doors move up.
The vehicle will lock again automatically
within approximately 40 seconds of un-
locking if neither door nor trunk is opened,
the key is not inserted in the steering lock,
or the central locking switch is not
activated.
Global locking

Press button
‹
.
All turn signal lamps blink three times.
The locking knobs in the doors move
down.Selective setting
If you frequently travel alone, you may wish
to reprogram the remote control so that
pressing
Œ
only unlocks the driver’s
door, the storage compartment in the arm-
rest and the fuel filler flap.

Press and hold buttons
Œ
and
‹

simultaneously for about 5 seconds un-
til battery check lamp4 blinks twice.The remote control will then function
as follows:
Unlocking driver’s door, storage com-
partment in armrest and fuel filler flap

Press button
Œ
once.
Global unlocking

Press button
Œ
twice.
Global locking

Press button
‹
.
Restoring to factory setting

Press and hold buttons
Œ
and
‹

simultaneously for about 6 seconds un-
til battery check lamp4 blinks twice.
iIf the turn signal lamps do not blink
three times, one of the following ele-
ments may not be properly closed:

a door


the trunk
Close the respective element and lock
the vehicle again.

76 Controls in detailLocking and unlocking
Checking the batteries
Press button
‹
or
Œ
longer than
1second.
The battery check lamp4 lights up
briefly to indicate that the key batteries
are in order.
Warning!
G
When leaving the vehicle, always remove the
key from the steering lock and lock the vehi-
cle. Do not leave children unattended in the
vehicle, or with access to an unlocked vehi-
cle. It is possible for children to open a
locked door from the inside, which could re-
sult in an accident and/or serious injury.
!If you can no longer lock or unlock the
vehicle with the remote control, then
either the batteries in the remote con-
trol are discharged, the remote control
is malfunctioning, or the vehicle battery
is drained.

Check the batteries in the remote
control and replace them if neces-
sary (
page 212)
or


Synchronize the remote control
(page 213)
or


Use the folding key to unlock the
doors (
page 210) and the trunk
(
page 210) as required. Lock the
vehicle using the folding key
(page 211).
If the remote control is malfunctioning,
contact an authorized Mercedes-Benz
Center.
!If battery check lamp4 does not light
up briefly during the check, then the re-
mote control batteries are discharged.
Replace the batteries (
page 212).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.

107 Controls in detail
Climate control
Activating
Moist air can fog up the windows. You can
dehumidify the air with the air condition-
ing.
PressAC
OFF
again (
page 102).
The indicator lamp on
theAC
OFF
button goes out.
The air conditioning uses the refrigerant
R134a. This refrigerant is free of CFCs
which are harmful to the ozone layer.
Residual heat
With the engine switched off, it is possible
to continue to heat or ventilate the interior
for up to 30 minutes. This feature makes
use of the residual heat produced by the
engine.
Activating
Turn the key in the steering lock to
position1 or remove it from the steer-
ing lock.

Press button
Ð
(page 102).
The indicator lamp on button
Ð

comes on.
Deactivating

Press button
Ð
(page 102).
The indicator lamp on button
Ð

goes out.The residual heat is automatically turned
off:


when the ignition is switched on


after about 30 minutes


if the battery voltage dropsiHow long the system will provide heat-
ing depends on the coolant tempera-
ture and the temperature set by the
operator. The blower will run at speed
setting 1 regardless of the air distribu-
tion control setting.

115 Controls in detail
Audio system
Button and soft key operation
In these instructions, the alpha-numeric
keypad (right side of radio face) and the
function buttons (left side of radio face)
are referred to as “buttons” and the four
keys under the display are referred to as
“soft keys”.Operation
Switching on and off
Press control knob
a
.
The radio is switched off when you turn the
key in the steering lock to position0 or re-
move it from the steering lock. The radio is
switched on again when you turn the key in
the steering lock to position1 or2.Adjusting the volume

Turn the control knob.
Turning the knob clockwise will in-
crease the volume, counterclockwise
will decrease the volume.
Audio functions
The AUD
key is used to select the BASS,
TREBLE and BALANCE functions. Settings
for bass and treble are stored separately
for the cassette and CD modes. Tone level
settings are identified by the vertical bars.
The center (flat) setting is shown by one
longer bar in the center of the display.Bass

Press the
AUD
key repeatedly until
BASS

appears in the display.
Treble

Press the
AUD
key repeatedly until
TRE-
BLE
appears in the display.

Press the +key to increase or the -key
to decrease the level.
iDo not press directly on the radio dis-
play face.
iThe radio can also be switched on even
if the key is not inserted in the steering
lock, but will switch itself off automati-
cally after one hour to conserve vehicle
battery power.