Page 12 of 424

9 IntroductionImportant notice for California retail buyers of Mercedes-Benz automobiles
Under California law you may be entitled to a replacement of your vehicle or a refund of the purchase price, if 
Mercedes-Benz USA, LLC or its authorized Mercedes-Benz Center fails to conform the vehicle to its express warranties 
after a reasonable number of repair attempts during the period of one year or 12 000 miles from original delivery of 
the vehicle. A reasonable number of repair attempts is presumed for a retail buyer (1) if the vehicle is out of service by 
reason of repair of substantial nonconformities for a cumulative total of more than 30 calendar days or (2) the same 
substantial non-conformity has been subject to repair four or more times and you have at least once directly 
notifi ed us in w ri ting of the need to repair th e non-c onform ity and have gi ven us an opportunity to perform t he 
repair ourselves. Notifications should be sent to the nearest Mercedes-Benz Regional Office listed in the 
Service and Warranty Information Booklet.
Maintenance
The Service Booklet describes all the necessary maintenance work which should be performed at regular intervals.
Always have the Service Booklet with you when you take the vehicle to your authorized Mercedes-Benz Center for 
service. The service advisor will record each service in the booklet for you. 
     
        
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10 Introduction
Roadside assistance
The Mercedes-Benz Roadside Assistance Program provides factory trained technical help in the event of a breakdown. 
Calls to the toll-free Roadside Assistance number:
1-800-FOR-MERCedes (in the USA)
1-800-387-0100 (in Canada)
will be answered by Mercedes-Benz Client Assistance Representatives 24 hours a day, 365 days a year.
For additional information refer to the Mercedes-Benz Roadside Assistance Program brochure in your glove box.
Change of address or ownership
If you change your address, be sure to send in the “Change of Address Notice” found in the Service and Warranty 
Information Booklet, or simply call the Mercedes-Benz Client Assistance Center (in the USA) at 
1-800-FOR-MERCedes, or Customer Service (in Canada) at 1-800-387-0100. It is in your own interest that we can 
contact you should the need arise.
If you sell your Mercedes, please leave all literature with the vehicle to make it available to the next operator.
If you bought this vehicle used, be sure to send in the “Notice of Purchase of Used Car” found in the Service and 
Warranty Information Booklet, or call the Mercedes-Benz Client Assistance Center (in the USA) at 
1-800-FOR-MERCedes, or Customer Service (in Canada) at 1-800-387-0100. 
     
        
        Page 126 of 424
123 Multifunction steering wheel, multifunction display
Te ch n ica l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index 1Multifunction steering wheel
2Multifunction display
3Horn padTurn the electronic key in starter switch to position 1 
or 2.
Press button:
4j for next display in system
5k for previous display in system
6è for next system
7ÿ for previous system
8æ to increase the volume, see page 146
9ç to decrease the volume, see page 146
10í to dial a telephone number, see page 128
11ì to end a call
See page 128 for telephone and page 131 for 
instructions on answering an incoming call.
Press theè or ÿbutton repeatedly until the 
required system is displayed.
The display advances by one system each time the 
button is pressed.
You may call up additional displays in some systems by 
pressing thej or kbutton.
3
1
2
4
5
6
7
8
9
10
11
3
P46.10-2100-27 
     
        
        Page 128 of 424
125 Multifunction steering wheel, multifunction display
Te ch n ica l
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 name setting or station frequency.
5This only appears when “MEMORY” rather than 
“FREQUENCY” has been selected in the Individual 
settings “VEHICLE”. See page 144.
Switch on the radio, see COMAND operator’s manual.
Press theè or ÿbutton repeatedly until 
display (2) appears.
Press buttonj o rk repeatedly until the required 
station or frequency is displayed.
Use thej of kbutton to select a stored station or 
station frequency. This depends on the selection made 
in the “STATION SEARCH USING” setting menu.
See individual settings, page 138.
Pressing theè or ÿbutton displays the next or 
previous system.
P54.30-2936-27 
     
        
        Page 129 of 424
126 Multifunction steering wheel, multifunction display
Te ch n ica l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
CD player1Audio 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.
Switch on the CD player, see COMAND operator’s 
manual.
Press theè or ÿbutton repeatedly until 
display (2) appears.
Press thej or kbutton repeatedly until the 
required track number (4) is displayed.
Pressing theè or ÿbutton displays the next or 
previous system.
Note:
To select a CD from the magazine, press a number on 
the COMAND system key pad located in the center 
dashboard. 
     
        
        Page 131 of 424
128 Multifunction steering wheel, multifunction display
Te ch n ica l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Te l e p ho n e
Telephone book1The telephone is switched off.
2The vehicle is currently outside the transmitter or 
receiver range.
3The telephone is ready for use.
4Name selected from the telephone book.
5Number for the name selected. Dialing commences.
6Dialing is completed. The name is displayed. The 
display remains for the duration of the call.
7Memory location number. 
     
        
        Page 132 of 424

129 Multifunction steering wheel, multifunction display
Te ch n ica l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index The telephone must be switched on.
Press theè or ÿbutton repeatedly until the 
display (3) appears. See the separate telephone 
instructions manual.
If display (2) appears, no service is available.
Pressingj ork “browses” alphabetically 
forwards or backwards through the telephone book, 
providing it was previously downloaded. See telephone 
operator’s manual for details concerning downloading. 
Pressing buttonj ork for longer than a second 
“browses” rapidly through the telephone book. The 
name selected appears in the display.
Note:
Press the ìbutton if you do not wish to make a call.
The procedure is cancelled and display (3) appears.Press the íbutton 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 ìbutton hangs up and display (3) 
appears.
Pressing theè or ÿbutton displays the next or 
previous system. 
     
        
        Page 133 of 424
130 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.
5Memory location numbers — the 10 most recently 
dialed numbers are stored.
L0, most recently dialed number,
L1 to L9, previously dialed numbers.
P54.30-2899-27