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93 Multifunction steering wheel, multifunction display
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Audio systems
Radio1Audio system is switched off.
2The radio is switched on.
3Wave band setting and memory location number, 
where appropriate.
4Station frequency.
5This only appears when “MEMORY” rather than 
“FREQUENCY” has been selected in the individual 
setting menu “STATION SEARCH USING”. See 
page 106.
The radio must be switched on.
Press the è or ÿ button repeatedly until 
display (2) appears.
Press button j or k repeatedly until the required 
station or frequency is displayed.
Use the j of k button to select a stored station or 
station frequency. This depends on the selection made 
in the “STATION SEARCH USING” setting menu. 
Pressing the è or ÿ button displays the next or 
previous system.
P54.30-2936-27
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94 Multifunction steering wheel, multifunction display
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
CD player (optional)1Audio system is switched off.
2The CD player is switched on.
3The number of the CD currently playing is displayed 
if you are using a CD changer.
4Track number.
The radio must be switched on.
The CD player must be switched on.
Press the è or ÿ button repeatedly until 
display (2) appears.
Press the j or k button repeatedly until the 
required track number (4) is displayed.
Pressing the è or ÿ button displays the next or 
previous system.
Note:
To select a CD from the magazine (only vehicles 
equipped with CD changer), press a number on the 
audio system or the (optional) COMAND system key pad 
located in the center dashboard.
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        Page 98 of 346
95 Multifunction steering wheel, multifunction display
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Cassette player1Audio system is switched off.
2The cassette player is switched on.
3Side being played.
The radio must be switched on.
The cassette player must be switched on.
Press the è or ÿ button repeatedly until 
display (2) appears.
Pressing the j button fast forwards on to the next 
track.
Pressing the k button rewinds the cassette to the 
beginning of the current track.
Pressing the è or ÿ button displays the next or 
previous system.
Notes:
To select the reverse side of the tape, press button below 
track number on the audio system display, or enter 
request on the (optional) COMAND system located in 
the center dashboard. 
To eject the inserted tape, press “EJ” on the audio 
system (see page 135) or “EJT” on the (optional) 
COMAND system.
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        Page 110 of 346

107 Multifunction steering wheel, multifunction display
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index 1Preliminary display of the individual settings
2“SET TIME HOURS”
(Only vehicles without COMAND)
3“SET TIME MINUTES”
(Only vehicles without COMAND)
4“12/24 HOURS” – the unit set is displayed in the 
instrument cluster 
(Only vehicles without COMAND)
5“TEMP. INDICATOR” – the unit set is displayed in 
the outside temperature display in the instrument 
cluster and in the automatic climate control display
6“DISPLAY VALUES IN” – the unit set is displayed in 
the trip and main odometer
7“TEXT” – sets the language used in the 
multifunction display8“STATION SEARCH USING” – radio adjustment
“FREQUENCY” – use the j or k button to 
select a frequency
“MEMORY” – use the j or k button to select 
a stored station (preset memory)
9See page 108 for instructions on returning the 
setting menus to the factory settings
10Selection marker – indicates the setting selected
Notes:
These settings may only be performed with the vehicle 
at standstill and with the key in steering lock position 1 
or 2.
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        Page 130 of 346

127 Audio system
Technical
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
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 vehicle is covering 
a distance of approximately 50 feet (approximately 
14 m) every second.
Wa r n i n g !
Any alternations made to electronic components 
can cause malfunctions.The 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.
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128 Audio system
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Operating and display elements
1On/off, volume, see page 131
2Telephone mode selector, see page 143
3Seek, see page 133, 137 and 141
4Radio mode selector, see page 133
5Tune, see page 133 and 134
Fast forward/reverse, see page 137
6CD mode selector, see page 1407Display panel
The cassette slot is located behind the display panel. 
For notes on playing cassettes, see page 135.
8Alpha-numeric keypad for
station storage and frequency entry, see page 134
CD/Track access, see page 142
optional telephone, see page 143
9Function button, see page 134 and 142
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        Page 132 of 346
129 Audio system
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index 10Soft keys for
radio band selection, see page 133
tone controls, see page 131
scan, see page 134
Tape eject, see page 136
Tape track select, see page 136
Dolby, see page 138
CD Random/repeat, see page 142
11Tape mode selector, see page 135
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.
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        Page 133 of 346

130 Audio system
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
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.
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