Page 105 of 341
102 Multifunction steering wheel, multifunction display
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Redialing1The telephone is ready for use.
2Number or name stored in the redial memory.
3Number in the redial memory — redialing has
commenced.
4Dialing is completed and the name stored in the
telephone book is displayed or the number dialed
will remain displayed if no name has been stored.
The display remains for the duration of the call.
5Duration of call.
6Memory location numbers — the 10 most recently
dialed numbers are stored.
L0, most recently dialed number,
L1 to L9, previously dialed numbers.
P54.30-3580-27
ProCarManuals.com
Page 106 of 341

103 Multifunction steering wheel, multifunction display
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index The telephone is switched on.
Press the è or ÿ button repeatedly until the
display (1) appears.
Pressing the í button activates the redial memory
and the most recently dialed number is displayed.
Pressing the j or k button “browses” forwards or
backwards through the redial memory. The number
selected appears in the display.
Note:
Press the ì button if you do not wish to make a call.
The procedure is cancelled and display (1) appears.Press the í button when the required number or
name appears in the display (2).
The telephone number (3) is dialed.
Once dialing is completed the name (4) is displayed if
the name is stored in the telephone book; failing that
the number dialed will remain displayed. The display
remains for the duration of the call.
Pressing the ì button hangs up and display (1)
appears.
Pressing the è or ÿ button displays the next or
previous system.
ProCarManuals.com
Page 107 of 341
104 Multifunction steering wheel, multifunction display
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Incoming call
The telephone must be switched on.1“CALL” — you are being called
Press the í button to answer the call.
Press the ì button to hang up or if you do not wish
to answer the incoming call.
ProCarManuals.com
Page 116 of 341
113 Multifunction steering wheel, multifunction display
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index To return setting menus (4 to 8) to their factory settings:
•Call up the individual setting preliminary
display (1).
•Press theJbutton in the instrument cluster for
approximately 3 seconds. Display (9) will appear.
•Press theJbutton once more, the message
“RESET TO FACTORY SETTINGS” appears in the
display.
The individual setting preliminary display (1) will
appear if you do not press theJbutton within
about 5 seconds. The setting menus will not be
reset.Setting the audio volume
You can only adjust the volume of the system currently
in use. The volume setting for each system (audio,
telephone, navigation and voice recognition system) is
sto red sep arately.
Setting button:
æ increases the volume.
ç reduces the volume.
ProCarManuals.com
Page 121 of 341

118 Engine oil level indicator
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
One of the following messages will subsequently appear
on the indicator:
“ENGINE OIL LEVEL – O.K.”
No oil needs to be added.
“ENGINE OIL LEVEL – ADD 1.0 QUART”
(Canada: 1.0 L)
“ENGINE OIL LEVEL – ADD 1.5 QUART”
(Canada: 1.5 L)
“ENGINE OIL LEVEL – ADD 2.0 QUART”
(Canada: 2.0 L)
See page 260 for instructions on adding engine oil.
“ENGINE OIL LEVEL – REDUCE OIL LEVEL”
Do not overfill the engine.
Excessive oil must be siphoned or drained off. It could
cause damage to the engine and catalytic converter not
covered by the Mercedes-Benz Limited Warranty.
The message “PERF. SERV. ON TIME” (perform service
[engine oil level check] on time) will be displayed if a
proper oil level check cannot be performed. The engine
oil level check can be repeated after a short time.Perform the engine oil level check with the dipstick, if it
cannot be completed via the multifunction display.
See page 260.
In this case we recommend that you have the system
checked at a Mercedes-Benz Center.
Note:
See “Malfunction and warning messages” on page 239
and page 250 if an engine oil level indicator appears on
the multifunction display when the engine is running.
The engine oil level cannot be checked while the engine
is running. The “ENGINE OIL LEVEL – NOT WHEN
ENGINE ON” message will appear.
Engine oil consumption
Engine oil consumption checks should only be made
after the break-in period. During the break-in period,
higher oil consumption may be noticed and is normal.
Frequent driving at high engine speeds results in
increased consumption.
ProCarManuals.com
Page 138 of 341

135 Audio system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Operation – audio and telephone
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.
The right to correct errors and make technical amendments is
reserved.
Operating safety1 Optional 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 ) e v e r y s e c o n d .
Wa r n i n g !
Any alternations made to electronic components
can cause malfunctionsThe 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.
ProCarManuals.com
Page 139 of 341
136 Audio system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Operating and display elements
1On / off, volume, see page 139
2Telephone mode selector, see page 151
3Seek, see page 141, 145 and 149
4Radio mode selector, see page 141
5Tune, see page 141 and 142
Fast forward / reverse, see page 145 and 1496CD mode selector, see page 148
7Display panel, see page 143
8Alpha-numeric keypad for
station storage and frequency entry, see page 142
CD / Track access, see page 145 and 150
optional telephone, see page 151
9Function button, see page 142 and 150
ProCarManuals.com
Page 146 of 341

143 Audio system
Te ch n ica 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.
Notes:
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.
ProCarManuals.com