2003 MERCEDES-BENZ CLK320 CABRIOLET Owner's Manual

118 Automatic climate control
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Display and controls
Press the desired button to activate, indicator lamp is on
while activated.
UAutomatic mode
fRaise temperature
gLower temperaturePDefrost
OAir recirculation
FRear window defroster
bAir distribution, manual
SEconomy mode
ïAir volume, manual
TResidual engine heat utilization
Basic setting - automatic mode
Press left and right U button for automatic mode.
Simultaneously press both f and g buttons for
temperature setting of 72
°F.
Air volume and distribution are controlled
automatically.
This setting can be used all year around.
0
MAX

119 Automatic climate control
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Economy
The function of this setting corresponds to the
automatic 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.
Special settings (use only for short duration)
Defogging windows
Switch off O button.
Press left and right U buttons.
Press button b repeatedly until air is directed
upward.
Turn wheels (2) to position i to open left and right
side air outlets (4). Adjust side air outlets upward.Defrosting
Turn wheels (2) to position i to open left and right
side air outlets (4). Adjust side air outlets upward.
Press P button. Maximum heated and automatically
controlled amount of air is directed to the windshield
and side windows.
Press P button once again to return to previous
setting.

120 Automatic climate control
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Rear window defroster
Turn electronic key in steering lock to position 2.
To s el ect , p res s F button.
To cancel, press F button again.
Notes:
Heavy accumulation of snow and ice should be removed
before activating the defroster.
The rear window defroster consumes a large amount of
electrical 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.Air distribution
Press b button for each side repeatedly until the
requested symbol is displayed.
Press U button to return to automatic mode.
Air volume
Press – or + side of rocker switch ï until the
requested blower speed is attained. A choice of 7 blower
speeds is available.
To switch the automatic climate control off, press – side
of rocker switch ï until symbol OFF is displayed.The fresh air supply to the vehicle interior is shut off.
While driving, use this setting only temporarily,
otherwise the windshield could fog up.
To switch the automatic climate control on again, press
U, P or +side of ï.

121 Automatic 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 approx. 5 minutes at outside temperatures
below approx. 41
°F (5
°C),
•after approx. 30 minutes at outside temperatures
above approx. 41
°F (5
°C),
•after approx. 5 minutes, if button S is pressed.
If the windows should fog up from the inside, switch
from recirculated air back to fresh air.
At high outside temperatures, the system automatically
engages the recirculated air mode thereby increasing
the cooling capacity performance, switching to partially
fresh air within 30 minutes.Residual engine heat utilization
With the engine switched off, it is possible to continue
heating the interior for a short while.
Air volume and distribution are controlled
automatically.
To s e l e c t :
Turn electronic key in steering lock to position 1 or 0 or
remove key.
Press T button
This function selection will not activate if the battery
charge level is insufficient.
To c a n c e l :
Press T button.
The system will automatically shut off
•if you turn electronic key in steering lock to
position 2,
•after approx. 30 minutes,
•if the battery voltage drops.

122 Automatic 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.

123 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 vehicle 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
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 vehicle 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 alterations made to electronic components can
cause malfunctions.The radio, cassette deck, CD changer
1, telephone
1
and voice control system
1 are interconnected.
When one of the components is not operational or
has not been removed/replaced properly, the
function of other components may be impaired.
This condition might seriously impair the
operating safety of your vehicle.We recommend that you have any service work on
electronic components carried out by an
authorized Mercedes-Benz Center.

124 Audio system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Operating and display elements
1On/off, volume, see page 127
2Telephone mode selector, see page 139
3Seek, see page 129, 133 and 137
4Radio mode selector, see page 129
5Tune, see page 129 and 130
Fast forward/reverse, see page 133
6CD mode selector, see page 1367Display panel
The cassette slot is located behind the display panel.
For notes on playing cassettes, see page 131.
8Alpha-numeric keypad for
station storage and frequency entry, see page 130
CD/Track access, see page 138
optional telephone, see page 139
9Function button, see page 130 and 138

125 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 129
tone controls, see page 127
scan, see page 130
Tape eject, see page 132
Tape track select, see page 132
Dolby, see page 134
CD Random/repeat, see page 138
11Tape mode selector, see page 131
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.