Page 143 of 498
141 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 142)
(page 143)
(page 144)
(page 145)
(page 146)
(page 160)
(page 162)
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 287 of 498

285 Controls in detail
Useful features
Upgrade 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 con-
tact the Response Center at 
1-800-756-9018 (in the USA) or 
1-888-923-8367 (in Canada) as soon 
as possible.
!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.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 buttonton 
the multifunction steering wheel or the 
respective button for ending a 
telephone call on the audio system or 
the COMAND* head unit.
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* 
head unit. A pop-up window will appear 
in the COMAND* display to indicate 
that a Tele Aid call is in progress. 
     
        
        Page 347 of 498

345 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 the 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 ignition (
page 36).
The standard display of the control sys-
tem appears (
page 137).
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 487 of 498

485 Index
Submenus
Control system 141
Convenience 158
For settings 139
Instrument cluster 149, 151
Lighting 154
Resetting functions 
in Control system 147
Selecting 147
Settings menu 147
Vehicle 158
Sun visors 181
Sunroof*
Message in display 388
Supplemental Restraint System see SRS
Switching off
Audio system 210
Automatic central locking 
(control system) 158
Engine 56
ESP 87
Hazard warning flasher 131
Headlamps 56
Parktronic system* 263Switching on
Audio system 210
Automatic central locking 
(control system) 158
ESP 88
Front fog lamps 128
Front lamps 124
Hazard warning flasher 131
Headlamps 50
High beams 129
Parking lamps 124
Parktronic system* 263
Rear fog lamp 128
Windshield wipers 52
Synchronizing
Power tilt/sliding sunroof* 254
Power windows 250T
Tachometer 25, 136
Overspeed range 136
Tail lamps
Cleaning 349
Replacing bulbs 405, 410
Tar stains 348
Technical data 450
Brake fluid 450
Coolant 447
Coolants 452
Electrical system 444
Engine 438
Engine oil 449
Engine oil additives 449
Fuel requirements 451
Fuels 447
Gasoline additives 451
Lubricants 447
Main dimensions 445
Premium unleaded gasoline 450
Rims and tires 439
Weights 446
Windshield and headlamp 
washer* system 448, 454