MERCEDES-BENZ SLK 230 KOMPRESSOR 2002 R170 Owners Manual

88 Climate control
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Basic setting – heater
Select temperature for each side of the passenger
compartment.
Select air volume with control Q switch, set at least
to position 2 to prevent windows from fogging up.
Set air distribution control switch to position shown
above.
Turn defroster outlets for side windows to the detent
position.
Open center air outlets as desired.Basic setting – air conditioner
Select temperature for each side of the passenger
compartment.
Select air volume with control Q switch, at least to
position 1 to start the air conditioner.
Set air distribution control switch to position a.
Open center air outlets i.
Open left and right side air outlets i.

89 Climate control
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Special settings (use only for short duration)
Defrosting
Set temperature selectors and switches for air volume
and air distribution to position P.
Close center air outlets.
Close left and right side air outlets.
Turn defroster outlets for side windows to the detent
position.Defogging windows
Windows fogged up on inside.
Switch off economy mode S. Indicator lamp goes out.
Switch off air recirculation O. Indicator lamp goes
out.
Set air distribution control switch to position c.
Increase air volume with control switch.
Close center and right side air outlets i.
Turn defroster outlets for side windows to the detent
position.

90 Climate control
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Windshield fogged up on outside.
Switch on windshield wipers.
Set air distribution control switch to position d
ora.
Economy
The function of this setting corresponds to the air
conditioning mode. However, because the air
conditioning compressor will not engage (fuel savings),
it is not possible to air condition in this setting.
Press S button to activate.
Press S button once again to return to previous
setting.
Climate control - OFF
To switch the climate control off, set air volume control
switch to position 0.
The fresh air supply to the vehicle interior is shut off.
While driving, use this setting only temporarily,
otherwise the windshield could fog up.Rear window defroster
Turn key in steering lock to position 2.
To s e l e c t , p r e s s F button.
To cancel, press F button again.
Note:
Heavy accumulation of snow and ice should be removed
before activating the defroster.
The rear window defroster uses a large amount of power.
To keep the battery drain to a minimum, turn off the
defroster as soon as the window is clear.
The defroster is automatically turned off after a
maximum of 12 minutes of operation.
If several power consumers are turned on
simultaneously, or the battery is only partially charged,
it is possible that the defroster will automatically turn
itself off. When this happens, the indicator lamp inside
the switch starts blinking.
As soon as the battery has sufficient voltage, the
defroster automatically turns itself back on.

91 Climate control
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Air recirculation
This mode can be selected to temporarily reduce the
entry of annoying odors or dust into the vehicle’s
interior.
Outside air is not supplied to the vehicle’s interior.
To s el ect , p res s O button.
To cancel, press O button again.
The system will automatically switch from recirculated
air to fresh air
•after approximately 5 minutes at outside
temperatures below approximately 40°F (5°C),
•after approximately 30 minutes, at outside
temperatures above approximately 40°F (5°C),
•after approximately 5 minutes, if button S is
pressed.
At high outside temperatures, the system automatically
engages the recirculated air mode for approximately
30 minutes, thereby increasing the cooling capacity
performance. Press O button again to extend the
recirculated air mode.Residual engine heat utilization (REST)
With the engine switched off, it is possible to continue
heating the interior for a short while.
Air volume is controlled automatically. Select
temperature for each side of the passenger
compartment. Set air distribution control switch to the
desired position.
To s e l e c t :
Turn key in steering lock to position 1 or 0 or remove.
Press O button. Indicator lamp in the button lights
up.
This function selection will not activate if the battery
charge level is insufficient.
To c a n c e l :
Press O button. Indicator lamp in the button goes
out.
The system will automatically shut off
•if you turn key in steering lock to position 2,
•after approximately 30 minutes,
•if the battery voltage drops.

92 Climate control
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Dust Filter
Nearly all dust particles and pollen are filtered out
before outside air enters the passenger compartment
through the air distribution system.
Note:
Keep the air intake grille in front of windshield free of
snow and debris.Important!
This vehicle is equipped with an air conditioner system
that uses R-134a (HFC: hydrofluorocarbon) as a
refrigerant. Repairs should always be performed by a
qualified technician, and refrigerant should be collected
in a recovery system for recycling.

93 Audio system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Audio and telephone, operation
These instructions are intended to help you become
acquainted with your Mercedes- Benz car radio. They
contain useful tips and a detailed description of the user
functions.
The right to correct errors and make technical amendments is
reserved.
Operating safety1Optional equipment
Dolby and the double-D symbol
Ù
are trademarks of Dolby
Laboratories Licensing Corporation. The Dolby noise reduction
system is manufactured under licence from Dolby Laboratories
Licensing Corporation.
Wa r n i n g !
In order to avoid distraction which could lead to an
accident, system settings should be entered with
the vehicle at standstill and systems should be
operated by the driver only when traffic conditions
permit. Always pay full attention to traffic
conditions first before operating system controls
while driving. Bear in mind that at a speed of just 30 mph
(approximately 50 km / h), your car is covering a
distance of approximately 50 feet (approximately
14 m ) e v e r y s e c o n d .
Wa r n i n g !
Any alternations made to electronic components
can cause malfunctionsThe radio, cassette deck, CD changer
1 and
telephone
1 are interconnected. Therefore, when
one of the components is defective or has not been
removed / replaced properly this may impair the
function of other components.
These malfunctions might seriously impair the
operating safety of your vehicle.We recommend that you have any service work or
alternations on electronic components done in an
authorized Mercedes-Benz Center.

94 Audio system
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data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Operating and display elements
1On / off, volume, see page 97
2Telephone mode selector, see page 108
3Seek, see page 99, 102 and 106
4Radio mode selector, see page 99
5Tune, see page 99 and 100
Fast forward / reverse, see page 103 and 1066CD mode selector, see page 105
7Display panel, see page 101
8Alpha-numeric keypad for
station storage and frequency entry, see page 100
CD / Track access, see page 105 and 107
optional telephone, see page 108
9Function button, see page 100 and 107


95 Audio system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index 10Soft keys for
radio band selection, see page 99
tone controls, see page 97
scan, see page 100
Tape eject, see page 102
Tape track select, see page 102
Dolby, see page 103
CD random / repeat, see page 107
11Tape mode selector, see page 101
Anti-theft system
If the power supply to the
radio has been
interrupted,“CODE” will
appear on the display when it
is next switched on. The radio
will only work after the five-digit code has been entered
using the buttons on the right-hand control panel.The code number is shown on the Radio code card,
supplied with the radio.
Important!
Never leave the Radio code card in the vehicle. Keep it in
a safe place.

96 Audio system
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Entering the code number
Switch on the radio.“CODE” will appear on the display.
Using the buttons on the alpha-numeric keypad, enter
the five digit code. Confirm by pressing the “OK” key.
If an incorrect code has been entered and confirmed,
“CODE” will reappear on the display. The correct code
must be entered once again.
If an incorrect code is entered
three times, “WAIT” will
appear on the display and the
radio will be locked out for
about 10 minutes.
Note:
The lock out time will only count down if the radio is left
switched on.Button and soft key operation
In these instructions, the alpha-numeric keypad (right
side of radio face) and the function buttons (left side of
the radio face) are referred to as “buttons” and the four
keys under the display are referred to as “soft keys”.
Note:
Do not press directly on the radio display face.

97 Audio system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Operation
Switching on and off
Press the control knob .
The radio is switched off when the ignition key is turned
to position 0 or removed from the ignition. The radio is
switched on again when the ignition key is turned to
position 1 or 2.
Note:
The radio can also be switched on even if the ignition
key is not inserted, but will switch itself off
automatically after one hour to conserve vehicle battery
power.
Adjusting the volume
Turn the control knob - turning the knob clockwise will
increase 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 “TREBLE” appears in the
display.
Press the “+” key to increase
or the “-” key to decrease the level.