audio MERCEDES-BENZ SLK320 2003 R170 Owner's Manual

Contents
Automatic central locking .............. 78
Locking and unlocking
from the inside ............................... 80
Seats.................................................... 81
Heated seats* ................................ 81
Head restraints............................... 82
Lighting ................................................ 83
Exterior lamp switch ....................... 83
Combination switch........................ 84
Hazard warning flasher................... 85
Interior lighting ............................... 86
Instrument cluster ............................... 88
Instrument cluster illumination....... 88
Coolant temperature gauge............ 88
Trip odometer................................. 89
Tachometer .................................... 89
Outside temperature indicator ....... 90
Setting clock .................................. 90
Manual transmission ............................ 91
Shifting into reverse ....................... 92
Automatic transmission* ..................... 93
One-touch gearshifting ................... 94
Gear ranges .................................... 95
Gear selector lever position ........... 96
Program mode selector switch ....... 97
Accelerator position ....................... 98Emergency operation
(Limp Home Mode) ........................ 98
Good visibility ...................................... 99
Rear view mirror............................. 99
Headlamp cleaning system* ........ 100
Sun visors .................................... 101
Climate control .................................. 102
Setting the temperature ............... 104
Adjusting air volume .................... 104
Adjusting air distribution .............. 104
Air recirculation mode .................. 105
Rear window defroster ................. 105
Air conditioning ............................ 106
Residual heat ............................... 107
Basic settings ............................... 108
Special settings............................ 108
Deactivating the climate control
system ......................................... 110
Audio system ..................................... 111
Audio and telephone, operation ... 111
Operating safety........................... 111
Operating and display elements ... 112
Anti-theft system.......................... 114
Button and soft key operation ...... 115
Operation ..................................... 115
Radio mode .................................. 116Cassette mode............................. 118
CD mode ...................................... 120
Telephone* operation .................. 123
Power windows.................................. 127
Opening and closing
the side windows ......................... 127
Retractable hardtop........................... 129
Opening and closing
the retractable hardtop ................ 129
Wind screen ................................. 134
Driving systems ................................. 136
Cruise control .............................. 136
Useful features .................................. 139
Interior storage spaces ................ 139
Ashtray ........................................ 142
Cigarette lighter ........................... 143
Telephone* .................................. 143
Tele Aid ........................................ 144
Garage door opener ..................... 152
Operation......................................... 157
The first 1000 miles (1500 km) ......... 158
Driving instructions ........................... 159
Drive sensibly – save fuel............. 159
Drinking and driving ..................... 159

23 At a glance
Center console
Center console
Upper part
Item
Page
1
Cup holder
140
2
Center air outlet adjust-
ment
102
Side air outlet adjustment
102
3
Climate control
102
Rear window defroster
105
4
Audio system
111
5
Seat heater* passenger
side
81
6
Anti-theft alarm system in-
dicator lamp
71
Tow-away alarm switch
72
7
Central locking switch
78
8
Hazard warning flasher
switch – switching on/off
85
9
ESP control switch
70
10
Headlamp washer* switch
100
11
Seat heater* driver’s side
81

73 Controls in detail
Locking and unlocking
Seats
Lighting
Instrument cluster
Manual transmission
Automatic transmission*
Good visibility
Climate control
Audio system
Power windows
Retractable hardtop
Driving systems
Useful features

111 Controls in detail
Audio system
Audio system
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.
Operating safety
Warning!
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 driv-
ing.
Bear in mind that at a speed of just 30 mph
(approximately 50 km / h), your car is cover-
ing a distance of approximately 50 feet (ap-
proximately 14 m) every second.
1
1The right to correct errors and make technical
amendments is reserved.
Warning!
G
Any alterations made to electronic compo-
nents can cause malfunctions.
The radio, cassette deck, CD changer*, tele-
phone* and voice control system* are inter-
connected. When one of the components is
not operational or has not been
removed / replaced properly, the function of
other components may be impaired.
This conditions 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.

112 Controls in detailAudio systemOperating and display elements

113 Controls in detail
Audio system
Item
Page
1
Radio mode selector
116
2
Tuning
116
Fast forward / reverse
120, 123
3
CD mode selector*
122
4
Display panel
118
5
Alpha-numeric keypad
for station storage and
frequency entry
117
CD/Track access*
122, 124
Telephone*
124
Item
Page
6
Function button
117, 124
7
Soft keys for radio band
selection
116
Tone controls
115
Scan tuning
117
Cassette eject
118
Cassette track select
119
Dolby
120
CD random/repeat
123
Item
Page
8
Tape mode selector
118
9
Telephone mode
selector
124
10
Seek tuning
117,
119, 123
11
On/off, volume
115

114 Controls in detailAudio systemAnti-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.Entering the code number

Switch on the radio. CODE
will appear on the display.

Using the buttons on the alpha-numer-
ic 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 dis-
play. The correct code must be entered
once again.
If an incorrect code is entered three times,
WAIT
will appear on the display and the ra-
dio will be locked out for about ten min-
utes.
!Never leave the Radio Code Card in the
vehicle. Keep it in a safe place.
iThe lock out time will only count down
if the radio is left switched on.

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.

116 Controls in detailAudio systemBalance
Press the
AUD
key repeatedly until
BALANCE
appears in the display.

Press the
Lkey to move the sound to
the left speaker or the
Rkey to move
the sound to the right speaker.
Centering all audio functions

Push and hold down the
AUD
key.
All audio functions (bass, treble and
balance) are set to center or flat posi-
tions, and the volume is adjusted to a
pre-set level.
Radio mode
Selecting radio mode
Press
b
button.
Selecting the band

Press the key located below the de-
sired band.
The band selected is shown in the top
line of the display.Manual tuning

Press either the
d
or
c
button.
Step-by-step tuning in ascending or de-
scending order of frequency will take
place.
The first three tuning steps will take place
without muting. The radio will then be mut-
ed and high-speed tuning will take place
until the button is released.
The following tuning intervals will be
shown on the display:
Frequency ranges:
FM 87.9 - 107.9 MHz
AM 530 - 1710 kHz
WB approx. 162 MHz
FM 200 kHz
AM 10 kHz
WB Channels 1-7

117 Controls in detail
Audio system
Seek tuning
Press either the
f
or
e
button.
The radio will tune to the next receiv-
able station.
Scan tuning

Press the
SC
key.
Each station with a strong signal on the
band selected will be tuned in for
8 seconds. The first scan will tune only
the stations with a high signal strength.
The second scan will tune every receiv-
able station.
By pressing either the
d
, c
, f
or
e
buttons, or the
SC
key, the scan
mode can be cancelled.Station memory
Ten stations can be stored in the AM and
FM bands via the alpha-numeric keypad.
The “0” button corresponds to location 10.
Weatherband (WB) channels 1 to 7 can be
retrieved via the alpha-numeric keypad
and are preset at the factory.
Storing stations

Hold the number button down for ap-
proximately 2 seconds.
The currently displayed frequency is
stored on the selected station button.
The storage procedure is confirmed by
a short signal tone.
Retrieving a station from memory

Press the desired station button.Direct frequency input (AM and FM
only)

Select the band.

Press the
“
button and enter the
desired frequency using the
alpha-numeric keypad.
Frequencies outside of the frequency
ranges (frequencies specified on
page 116) will not be accepted. The
frequency input mode is cancelled if no
button is pressed within 4 seconds.