Page 138 of 506
137 Controls in detail
Control system
Menus, submenus and functions
Menu1
Menu2
Menu3
Menu4
Menu5
Menu6
Menu7
Commands/submenusStandard dis-
play
AUDIO
NAV*
Vehicle status 
message memory
Settings
Trip computer
Telephone
(page 138)
(page 139)
(page 141)
(page 141)
(page 142)
(page 158)
(page 160)
Digital speed-
ometer
Select radio 
station
Activate route 
guidance
Call up vehicle 
malfunction, warning 
and system status 
messages stored in 
memory
Reset to factory 
settings
Fuel consumption 
statistics after 
start
Load phone 
book
Call up mainte-
nance service 
display
Select satellite 
radio station* 
(USA only)
Instrument clus-
ter submenu
Fuel consumption 
statistics since the 
last reset
Search for name 
in phone book
Check engine 
oil level
Operate CD 
player
Time/Date sub-
menu
Call up range
Lighting 
submenuVehicle submenuConvenience 
submenu 
     
        
        Page 283 of 506

282 Controls in detailUseful featuresUpgrade signals
An emergency call is possible even if other 
services are active.
!If the indicator lamps do not start flash-
ing after pressing one of the buttons or 
remain illuminated (in red) at any time, 
the Tele Aid system has detected a 
malfunction or the service is not 
currently active, and may not initiate a 
call. Visit an Mercedes-Benz Center 
and have the system checked or 
contact the Response Center at 
1-800-756-9018 (in the USA) or 
1-888-923-8367 (in Canada) as soon 
as possible.
iThe indicator lamp in the respective 
button flashes until the call is con-
cluded. Calls can only be terminated by 
a Response Center or Customer 
Assistance Center representative 
except Roadside Assistance and 
Information calls, which can also be 
terminated by pressing buttont 
on the multifunction steering wheel or 
the respective button for ending a 
telephone call on the audio system or 
the COMAND* head unit.!If the indicator lamp continues to flash 
or the system does not reset, contact 
the Response Center at 
1-800-756-9018 (in the USA), or 
1-888-923-8367 (in Canada), or 
Mercedes-Benz Customer Assistance 
at 1-800-FOR-MERCedes 
(1-800-367-6372) in the USA, or 
Customer Service at 1-800-387-0100 
in Canada.
iWhen a Tele Aid call has been initiated, 
the audio system or the COMAND* 
system audio is muted and the 
selected mode (radio or CD) pauses. 
The optional cellular phone (if installed) 
switches off. If you must use this 
phone, the vehicle must be parked. 
Disconnect the coiled cord and place 
the call. The COMAND* navigation 
system (if engaged) will continue to 
run. The display in the instrument 
cluster is available for use, and spoken 
commands are only available by press-
ing the RPT button on the COMAND* 
headunit. A pop-up window will appear 
in the COMAND* display to indicate 
that a Tele Aid call is in progress. 
     
        
        Page 344 of 506

343 Operation
Maintenance
Clearing the maintenance service indicator
The maintenance service indicator is 
automatically cleared
after 30 seconds when you switch on 
the ignition or when reaching the main-
tenance service threshold while driving
after 30 seconds, once the suggested 
maintenance service term has passed
You can also clear it yourself.
1Reset button
Press reset button 1 on the 
instrument cluster.
Maintenance service term exceeded
If you have exceeded the suggested 
maintenance service term, you will see the 
following message in the multifunction 
display:Service A exceeded by XXXXX miles 
(km)
Service A exceeded by XXX days
Service A exceeded by X dayIn addition, a signal sounds when the 
message appears.
Any authorized Mercedes-Benz Center will 
reset the maintenance service indicator 
following a completed maintenance 
service.Calling up the maintenance service 
indicator
Switch on the ignition (
page 36).
The standard display of the control sys-
tem appears (
page 133).
Press buttonkorjon the mul-
tifunction steering wheel until the 
maintenance service indicator with the 
service symbol9or´and the 
service deadline appears in the 
multifunction display.iIf the battery is disconnected, the days 
of disconnection will not be included in 
the count shown by the maintenance 
service indicator. To arrive at the true 
maintenance service deadline, you will 
need to subtract these days from the 
days shown in the maintenance service 
indicator.
Do not confuse the maintenance 
service indicator with the engine oil 
level indicator :. 
     
        
        Page 492 of 506

491 Index
Storing
Minispare wheel 395
station (satellite radio) 217
Storing (Memory function)
Positions into memory 120
Storing tires 315
Submenus
Convenience 156
For settings 135
In control system 137
Instrument cluster 145, 147
Lighting 151
Resetting functions 
in Control system 143
Selecting 143
Settings menu 143
Vehicle 155
Substitute lamps
Bulbs 414
Sun visors 178
Supplemental Restraint System see SRSSwitching off
Audio system 204
Automatic central locking 
(control system) 155
Engine 56
ESP 87
Hazard warning flasher 128
Headlamps 56
Parktronic system* 263
Switching on
Audio system 204
Automatic central locking 
(control system) 155
ESP 88
Front fog lamps 125
Front lamps 122
Hazard warning flasher 128
Headlamps 50
High beams 126
Parking lamps 122
Parktronic system* 263
Rear fog lamp 125
Windshield wipers 52
Synchronizing
Power windows 243T
Tachometer 25, 132
Overspeed range 132
Tail lamps
Cleaning 348
Replacing bulbs 415, 420
Tar stains 346
Technical data 456
Brake fluid 456
Coolant 453
Coolants 458
Electrical system 450
Engine 444
Engine oil 455
Engine oil additives 455
Fuel requirements 457
Fuels 453
Gasoline additives 457
Lubricants 453
Main dimensions 451
Premium unleaded gasoline 456
Rims and tires 445
Weights 452
Windshield and headlamp 
washer* system 454, 460