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
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127 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.
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131 Audio system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Cassette mode
Note:
Vehicles equipped with the COMAND system do not
come with a factory installed cassette mechanism.
A standard 1/8” stereo phono plug for auxiliary audio
input (located in glove box) is provided for connection of
a portable battery operated cassette player or any other
portable device which uses a headphone output. Please
refer to the COMAND operating manual for information
concerning the activation of the audio input.
Playing cassettes
Press the “TAPE” button. When the eject (EJ) key is
pressed, the display folds down and the cassette slot
becomes visible. Push the cassette into the slot until it
engages. The cassette will be pulled in automatically.Note:
Do not press directly on the radio display face.
Return the display panel to its normal position by
folding it back up and pressing gently on the display
frame to lock in place.
When playing mono recorded tapes (e.g. books) through
a stereo system the sound from one track might bleed to
the other track, despite setting the balance to the full
left or full right speakers.
Important!
If the display is in the down position for more than
20 seconds, 2 successive beeps will be heard. This will
continue at 5 second intervals until the display is
returned to its normal position.
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132 Audio system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
The radio will switch to
cassette mode. Track 1 will be
played and “SIDE 1”
displayed. Track 1 is the side
of the cassette which is facing
upwards. The cassette deck will automatically detect the
type of tape and switch the equalization automatically.
A cassette symbol in the display indicates that a tape is
in the mechanism. This symbol appears in all modes but
not in cassette mode.
The cassette will not be ejected when the radio is
switched off or another mode is selected.
If a cassette is in the
mechanism, cassette mode
can be selected by using the
“TAPE” button. If no cassette
has been inserted, the display
will show “NO TAPE”.Cassette eject
Press the eject (EJ) key. The display will fold down and
the cassette will be ejected. Remove the cassette, then
fold the display back up manually. The radio will switch
back to radio mode automatically.
Note:
The cassette will not be ejected when the radio is
switched off.
Important!
If the display is in the down position for more than
20 seconds, 2 successive beeps will be heard. This will
continue at 5 second intervals until the display is
returned to its normal position.
Track selection
Press the track selection
(TRK) key. The current track
will be displayed as “SIDE 1”
or “SIDE 2”. The track will be
changed automatically at the
end of the tape.
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185 Tele Aid
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Important!
If the indicator lamp continues to flash or the system
does not reset, contact the Response Center at
1-800-756-9018 (in the USA) or 1-888-923-8367 (in
Canada), or Mercedes-Benz Customer Assistance at
1-800-FOR-MERCedes (1-800-367-6372) in the USA or
Customer Service at 1-800-387-0100 in Canada.
Notes:
The indicator lamp in the respective button flashes until
the call is concluded. Calls can only be terminated by a
Response Center or Customer Assistance Center
representative except Roadside Assistance and
Information calls, which can also be terminated by
pressing ìbutton on the multifunction steering
wheel.When a Tele Aid call has been initiated, the audio
system or the COMAND system audio (only vehicles
with COMAND) is muted and the selected mode (radio,
tape or CD) pauses. The optional cellular phone (if
installed) switches off. If you must use this phone, the
vehicle must be parked. Disconnect the coiled cord and
place the call. The COMAND navigation system (if
engaged) will continue to run. The display in the
instrument cluster is available for use and spoken
commands are only available by pressing the RPT
button on the COMAND unit. A pop-up window will
appear in the COMAND display to indicate that a Tele
Aid call is in progress.
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324 Index
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
Index
AABS (Antilock brake system) ....................................... 214
Malfunction indicator lamp..................................... 227
ABS-SYSTEM - malfunction and
warning messages ......................................................... 233
Adjusting headlamp aim............................................... 282
Adjusting telescoping steering column ........................ 73
Air conditioner refrigerant............................................ 318
Air distribution .............................................................. 120
Air volume ...................................................................... 120
Airbag deactivation system ............................................ 59
Airbag OFF indicator lamp ........................................... 228
Airbags .............................................................................. 61
Alarm system ............................................................. 39, 40
Antenna
Removal ...................................................................... 295
Anticorrosion/antifreeze .................... 208, 254, 316, 321
Antiglare night position.................................................. 74
Antilock brake system (ABS) ....................................... 214
Malfunction indicator lamp..................................... 227
Antitheft alarm system ................................................... 39
Aquaplaning ...................................................................205Armrest, rear bench ....................................................... 152
Ashtray
Center console, front ................................................ 150
Audio system ..................................................................123
Anti-theft system ....................................................... 125
Button and soft key operation ................................. 126
Cassette mode ............................................................ 131
CD changer ................................................................. 136
CD mode ..................................................................... 135
Operating and display elements .............................124
Operating safety ........................................................ 123
Operation ....................................................................127
Operation – audio and telephone ........................... 123
Radio mode ................................................................ 129
Telephone operation ................................................. 139
Audio systems ................................................................... 89
Cassette player ............................................................ 91
CD player ......................................................................90
Radio ............................................................................. 89
Automatic central locking .............................................. 34
Automatic climate control ............................................ 116
Air distribution .......................................................... 120
Air recirculation ........................................................ 121
Air volume.................................................................. 120
Basic setting............................................................... 118
Defogging windows ................................................... 119
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326 Index
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
CCapacities
Fuels, coolants, lubricants etc. ............................... 316
Cargo tie-down rings ..................................................... 152
Catalytic converter......................................................... 176
CD changer
See Audio system ...................................................... 136
Cellular telephone ......................................................... 153
Center console .................................................................. 18
Central locking switch .................................................... 33
Central locking system ................................................... 25
Automatic central locking ......................................... 34
Choosing global or selective mode........................... 28
Electronic key .............................................................. 23
Locking and unlocking............................................... 27
Mechanical keys ........................................................... 30
Remote control ............................................................ 25
Changing wheels ........................................................... 263
CHECK ENGINE malfunction indicator lamp............ 224
Check regularly and before a long trip ...................... 222
Checking engine oil level
Via engine oil level indicator .................................. 108
Via oil dipstick........................................................... 252Child restraint .............................................. 53, 58, 59, 69
Child seat
See Infant and child restraint systems .................... 69
Cleaning and care of the vehicle ................................ 300
Clock, setting .................................................................. 102
COMAND, radio and telephone.................................... 174
Combination switch ....................................................... 113
Consumer information ................................................. 322
Control and operation of radio transmitters .............. 174
COOLANT (coolant level) - malfunction and warning
messages ................................................................... 236
Coolant level
Adding coolant.......................................................... 254
Checking .................................................................... 253
COOLANT TEMP. (coolant temperature) - malfunction
and warning messages ............................................ 237
Coolant temperature gauge ............................................ 82
Coolants .......................................................................... 320
Anticorrosion/antifreeze quantity ........................ 320
Cruise control ................................................................. 210
Cup holder
Center console, front ................................................ 149
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332 Index
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
RRadio
See Audio ................................................................... 129
Radio transmitters ......................................................... 174
Rain sensor ......................................................................114
Rear view mirrors
Exterior ......................................................................... 75
Inside ............................................................................ 74
Rear window defroster .................................................. 120
Remote control ................................................................. 25
Battery replacement ................................................. 285
REMOVE KEY - malfunction and
warning messages ......................................................... 241
Replacing bulbs .............................................................. 277
Replacing wiper blade insert ....................................... 296
Reporting Safety Defects ................................................ 14
Residual engine heat utilization (REST) .................... 121
Roadside assistance........................................................... 9
Roadside assistance call
See Tele Aid ............................................................... 182
Roll bar
Switch ........................................................................... 47
Warning lamp ............................................................ 229
Roller blind
Horizontal .................................................................. 170Vertical ........................................................................ 171
SSafety guidelines for the seat belt, emergency
tensioning device and airbag .................................... 67
Seat belts ........................................................................... 53
Fastening ......................................................................55
Seat belt nonusage warning system......................... 54
Unfastening .................................................................. 56
Warning lamp ........................................................... 228
Seat belts and supplemental
restraint system (SRS) .................................................... 52
Seats
Backrest ........................................................................ 49
Front seat adjustment ................................................ 41
Heated ........................................................................... 51
Memory ........................................................................ 43
Multicontour ................................................................ 50
Power seat .................................................................... 41
Selective locking
See Central locking system ....................................... 27
Service indicator
See Flexible service system (FSS) .......................... 105
Setting the audio volume .............................................. 104
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