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135 Audio system
Technical
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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136 Audio system
Technical
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 
upward s.  The c as sette d eck  will automatically detect t he 
type of tape and switch the equalization automatically. 
A cassette symbol in the display indicates that a tape is 
in  t he mechanis m. Thi s s ym bol appears  in  all mod es  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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333 Index
Technical
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hints Car careIndex Mirror, exterior, rear view  .............................................. 79
Mirror, inside, rear view  ................................................. 78
Multicontour seat  ............................................................ 55
Multifunction display  ...................................................... 88
Engine oil level indicator  ........................................... 92
FSS (Flexible service system)  ................................... 92
Setting the audio volume ......................................... 108
Trip and main odometer  ............................................ 92
Vehicle speed ............................................................... 92
Multifunction steering wheel  ........................................ 88
NNavigation system - Multifunction display  ................ 101
Night security illumination  ..........................................115OOn-board diagnostic system  .........................................228
Operator’s Manual  ............................................................. 8
Outside temperature indicator  ...................................... 86
Overhead control panel ................................................... 21
PPanic button  ......................................................................32
Parcel net in front passenger footwell  ........................ 156
Parking  ........................................................................... 208
Parking brake  .....................154, 194, 204, 208, 229, 266
PARKING BRAKE - malfunction and warning messages 
239
Power assistance  ........................................................... 206
Power seats, front ............................................................. 45
Backrest  ........................................................................ 54
Power windows  ............................................................... 146
Express opening and closing  .................................. 147
Opening and closing  ................................................... 31
Operated with soft top switch  ................................. 148
Synchronizing  ........................................................... 147
Problems with your vehicle ............................................ 14
Product information  .......................................................... 7RRadio
See Audio .................................................................... 133
Radio transmitters  ......................................................... 178
Rain sensor  ..................................................................... 118
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