Page 115 of 399

112 Multifunction steering wheel, multifunction display
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
The telephone must be switched on.
Press the è or ÿ button repeatedly until the 
display (3) appears. See the separate telephone 
instructions manual.
Pressing j or k “browses” alphabetically forward 
or backward through the telephone book, providing it 
was previously downloaded. See telephone operator’s 
manual for details concerning downloading. Pressing 
button j or k for longer than a second “browses” 
rapidly through the telephone book. The name 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 (4) appears.
Press the í button when the name you require 
appears in the display (4). The telephone number (5) is 
dialed.
The name will be displayed when dialing is completed. 
Display (6) remains for the duration of the call.
Pressing the ì button hangs up and display (3) 
appears.
Pressing the è or ÿ button displays the next or 
previous system. 
     
        
        Page 116 of 399
113 Multifunction steering wheel, multifunction display
Te ch n i c a 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 
wi ll r em ai n dis played  if  n o n am e has  bee n stor e. The 
display remains for the duration of the call.
5Signal strength:
Vehicles with audio system (in top right corner):
the higher the number, the stronger the signal 
received from the net.
Vehicles with COMAND (in top left corner):
the higher the number of bars, the stronger the 
signal received from the net.
6Memory location numbers — the 10 most recently 
dialed numbers are stored.
L0, most recently dialed number,
L1 to L9, previously dialed numbers.
7Duration of call.
P54.30-3641-27 
     
        
        Page 117 of 399

114 Multifunction steering wheel, multifunction display
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
The telephone must be 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” forward or 
backward 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 complete 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. 
     
        
        Page 118 of 399
115 Multifunction steering wheel, multifunction display
Te ch n i c a 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.
2Signal strength:
Vehicles with audio system (in top right corner):
the higher the number, the stronger the phone 
signal received by the antenna.
Vehicles with COMAND (in top left corner):
the higher the number of bars, the stronger the 
phone signal received by the antenna.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. 
     
        
        Page 139 of 399

136 Multifunction steering wheel, multifunction display
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
To return menu “CONVENIENCE” (3 to 5) to its 
factory setting:
•Call up menu (3 to 5).
•Press the reset knob on the instrument cluster, see 
page 96, in the instrument cluster for approximately 
3 seconds. Display (6) will appear.
•Press the reset knob on the instrument cluster once 
more. The individual setting menu 
“CONVENIENCE” is reset to factory settings, 
acknowledged by display (7).
The individual setting display “SETTINGS” (2) will 
appear if you do not press the reset knob on the 
instrument cluster 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. 
Vehicles with COMAND system:
The volume setting for each system (audio, telephone, 
navigation and voice recognition system) is stored 
separately.
Setting button:
æ increases the volume.
ç reduces the volume. 
     
        
        Page 145 of 399

142 Engine oil level indicator
Te ch n i c a 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 “Adding engine oil level”, on page 318 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 “MEASURING NOT POSSIBLE” message will be 
displayed if a proper oil level check cannot be 
performed. The engine oil level check can be repeated 
after a short while.
Notes:
See malfunction and warning messages on page 290 
and page 299 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. 
     
        
        Page 176 of 399

173 Audio system
Te ch n i c a l
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 audio system. 
They contain useful tips and a detailed description of 
the user functions.Operating safety
1Optional 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 car is covering a 
distance of 50 feet (approximately14 m) every 
second.
Wa r n i n g !
Any alterations 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 
alterations to electronic components done at an 
authorized Mercedes-Benz Center. 
     
        
        Page 177 of 399
174 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 176
2Telephone mode selector, see page 190
3Seek tuning, see page 180,
Track search (tape), see page 184,
Skipping tracks (CD), see page 188
Manual repeat dialing (telephone), see page 1934Radio mode selector, see page 179
5Manual tuning, see page 180 and 180
Fast Forward/Reverse (tape), see page 184
Fast Forward/Reverse (CD), see page 189
Telephone book, see page 191
6CD mode selector, see page 188
7Tape mode selector, see page 182