Page 190 of 360

190 Controls in detailUseful features
Remote door unlock
In case you have locked your vehicle unin-
tentionally (e.g. key inside vehicle), and the
reserve key is not handy:
Contact the Mercedes-Benz Response
Center at 1-800-756-9018 (in the USA)
or 1-888-923-8367 (in Canada).
You will be asked to provide your pass-
word which you provided when you
completed the subscriber agreement.
Then return to your vehicle and press
the tailgate lock for minimum of
20 seconds until the SOS button is
flashing.
The message
EMERGENCY CALL –
CALL CONNECTED appears in the multi-
function display.
As an alternative, you may unlock the vehi-
cle via Internet using the ID and password
sent to you shortly after the completion of
your acquaintance call.T h e R e s p o n s e C e n t e r w i l l t h e n u nl o c k y o u r
vehicle with the remote door unlocking
feature.
iWhen a Tele Aid call has been initiated,
the COMAND system audio is muted
and the selected mode (radio, tape 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 navigation sys-
tem (if engaged) will continue to run.
The display in the instrument cluster is
available for use and spoken com-
mands are only available by pressing
the RPT button on the COMAND unit. A
pop-up window will appear in the CO-
MAND display to indicate that a
Tele Aid call is in progress.
iThe remote door unlock feature is avail-
able if the relevant cellular phone net-
work is available.
The SOS button will flash and the mes-
sage
EMERGENCY CALL –
CALL CONNECTED
will appear in the mul-
tifunction display to indicate receipt of
the door unlock command.
Once the vehicle is unlocked, a Re-
sponse Center specialist will attempt
to establish voice contact with the ve-
hicle occupants.
If the tailgate lock was pressed for
more than 20 seconds before door un-
lock authorization was received by the
Response Center, you must wait
15 minutes before pressing the tailgate
lock again.
Page 327 of 360

327 Technical terms
Lock button
Button on the door which indicates
whether the door is locked or un-
locked. Pushing the lock button down
on an individual door from inside will
lock that door.
Memory function*
Used to store three individual seat,
steering wheel and mirror positions for
each key.
Menu
The control system displays are ar-
ranged in menus. Each menu contains
a number of commands for particular
systems. In the Audio menu, for exam-
ple, you will find the commands
Select
radio station
or Operate CD player
.
Using commands you can directly
change the settings for your vehicle.MON
(M
otor O
ctane N
umber)
The Motor Octane Number for gasoline
as determined by a standardized meth-
od. It is an indication of a gasoline's
ability to resist undesired detonation
(knocking). The average of both the
MON (Motor Octane Number) and
->RON (Research Octane Number) is
posted at the pump, also known as AN-
TI-KNOCK INDEX.
Multifunction display
A display field in the instrument cluster
used to present information provided
by the control system.
Overspeed range
Engine speeds within the red marking
of the tachometer dial. Avoid this en-
gine speed range, as it may result in se-
rious engine damage that is not
covered by the Mercedes-Benz Limited
Warranty.Poly-V-belt drive
Drives engine-components (alternator,
AC compressor, etc.) from the engine.
Power train
Collective term designating all compo-
nents used to generate and transmit
motive power to the drive axles, includ-
ing
engine
clutch/torque converter
transmission
transfer case
drive shaft
differential
axle shafts/axles
Rear Park Assist*
System which uses visual and acoustic
signals to assist the driver during park-
ing maneuvers.
Page 329 of 360
329 Technical terms
Tire speed rating
Part of tire designation; indicates the
speed range for which a tire is ap-
proved.
Traction
Force exerted by the vehicle on the
road via the tires.
Transfer case
Speed of rotation/torque converter
that works together with the ->auto-
matic transmission. In the LOW mode
off-road position, the transfer case de-
creases the output rotational speed of
the ->automatic transmission by ap-
proximately half. This results in a corre-
sponding increase of torque on the
drive axles.
The vehicle then has nearly double the
driving force but drives only approxi-
mately half as fast.VIN
(V
ehicle I
dentification N
umber)
The number set by the manufacturer
and placed on the body to uniquely
identify each vehicle produced.
Voice control system*
Voice control system for car phones,
portable cell phones and audio sys-
tems (radio, CD, etc.).
Page 332 of 360

332 IndexAlarm system
Anti-theft 79
Anticorrosion/antifreeze 320
Antiglare
Automatic 147
Antilock brake system (ABS) 325
Anti-theft alarm system
Arming 79
Canceling alarm 80
Disarming 80
Anti-theft systems 79
Anti-theft alarm system 79
Tow-away alarm 80
Aquaplaning see Hydroplaning 200
Armrest
Storage compartment below 177
Storage compartment in front of 177
Ashtrays 179
At the gas station 214
ATF (automatic transmission fluid) 220
AUDIO menu 116
Selecting radio station 117
Automatic antiglare for
rear view mirror 147Automatic central locking
Activating/deactivating (control
system) 128
Automatic climate control
Deactivating 157
Automatic headlamp mode 101
Automatic lighting control
Activating 104
Deactivating 105
Automatic locking when driving 89
Automatic transmission 135
Accelerator position 139
Emergency operation
(Limp Home Mode) 140
Fluid level 220
Gear ranges 137
Gear selector lever position 138
Gear shifting malfunctions 140
Kickdown 139
Manual shifting 136
One-touch gearshifting 136
Selector lever position 135
Transmission fluid 220B
BabySmart
TM
Airbag deactivation system 65
Compatible child seats 65, 325
Self-test 66
BabySmart
TM airbag deactivation
system 325
Backup lamp
Replacing bulbs 287
Backup lamps 280
Bulbs 280
BAS 71, 73, 325
Messages in display 248
Batteries, SmartKey
Changing 273
Check lamp 85
Checking 86
Batteries, vehicle 223
Battery box
Fuse box in 303
Battery discharged
Jump starting 297
Page 334 of 360

334 IndexCHECK ENGINE malfunction indicator
lamp 243
Checking
Coolant level 215, 220
Oil level 215, 217, 218
Checklist
Off-road driving 205
Child safety 63
Infant and child restraint systems 54,
60, 63
LATCH child seat mounts 68
Child safety switch see Blocking of rear
door window operation 69
Cigarette lighter 181
Cleaning
Cup holder 235
Gear selector lever 235
Hard plastic trim items 236
Headlamps 148
Headliner 236
Illuminated door sill panels 236
Instrument cluster 235
Leather upholstery 236
Light alloy wheels 235
MB Tex upholstery 236
Plastic and rubber parts 236Rear Park Assist sensors* 234
Seat belts 236
Steering wheel 235
Windows 235
Windshield 47
Wiper blades 235
Climate control 150
Adjusting 153
Defogging windshield 153
Defrosting 154
Rear window defroster 155
Setting the temperature 152
Clock 25
Closing
Glove box 176
Hood 217
Side windows 158
Sliding/pop-up roof 160, 276
Sliding/pop-up roof
with SmartKey 161
Tailgate 88
Windows 158
Windows with SmartKey 159
Closing sliding/pop-up roof
In an emergency 276
Cockpit 22, 325Cockpit management and data system
(COMAND) 325
COMAND 325
COMAND see separate operating
instructions
Combination switch 23, 103
High beam flasher 46, 103
Turn signals 46
Windshield wipers 47
Consumer information 322
Control and operation of
radio transmitters 210
Control system 111, 325
AUDIO menu 116
Convenience submenu 128
Display digital speedometer 116
Functions 112, 115
Instrument cluster submenu 122
Lighting submenu 124
Malfunction memory menu 118
Menus 114, 115, 327
Multifunction display 111
Multifunction steering wheel 112
NAVI menu 118
Selecting radio system 117
Settings menu 119
Page 342 of 360

342 IndexMenus 112
AUDIO 116
Control system 327
In control system 114, 115
Malfunction memory 118
NAVI 118
Settings menu 119
Standard display 116
Submenus 113
TEL 132
Trip computer 130
Middle tunnel
Fuse box in 305
Miles/kilometers in speedometer
Setting 122
Mirrors
Activating exterior rear view mirror
parking position 148
Adjusting 38
Automatic antiglare for rear view mirror
147
Exterior rear view mirror 38
Exterior rear view mirror parking posi-
tions 130
Inside rear view mirror 38Storing exterior rear view mirror park-
ing position 99
MON 215
MON (Motor Octane Number) 327
Monitoring reach
Rear Park Assist* 166
Mph or km/h in speedometer 122
Multicontour seat* 94
Multifunction display 111, 327
Selecting language 123
Standard display 115
Multifunction display messages
ABS 247
BAS 248
Battery 266
Brake fluid 250
Brake pads 250
Check engine 243
Coolant 251, 252
Display 267
Doors 254
Engine 243
Engine oil level 254
ESP 257
Fuel reserve tank 263
Hood 258Key 259
Lamps 259, 261
Parking brake 263
Tailgate 266
Tele Aid 266
Telephone* 258
Washer fluid 267
Multifunction steering wheel 26, 112
Buttons 112
N
Navigation system
Operating 118
See separate COMAND operating in-
structions
Night security illumination 102
Setting 125
O
Occupant safety 54
Airbags 55
Children in the vehicle 63
Fastening the seat belt 40
Infant and child restraint systems 63
LATCH child seat mounts 68
Seat belts 40, 58
Odometer, main 25