Page 251 of 481

250 Controls in detailUseful featuresReinstalling ashtray insert
Install insert by pushing it back into
frame until it engages again.
Rear door ashtray
1Sliding button
2Insert slides out
3AshtrayOpening rear seat ashtray
Briefly press the top of ashtray3.
The ashtray opens.
Removing ashtray insert
Push sliding button1 and remove
insert2 upwards from ashtray frame.
Reinstalling ashtray insert
Install insert by pushing it back into
ashtray frame until it engages again.
Cigarette lighterWarning!
G
Never touch the heating element or sides of
the lighter; they are extremely hot. Hold the
knob only.
Make sure that any children traveling with
you do not injure themselves or start a fire
with the hot cigarette lighter.
When leaving the vehicle, always remove the
SmartKey or the SmartKey with
KEYLESS-GO* from the starter switch, take
it with you, and lock the vehicle. Do not
leave children unattended in the vehicle, or
with access to an unlocked vehicle. A child’s
unsupervised access to a vehicle could re-
sult in an accident and/or serious personal
injury.
Page 355 of 481

354 Practical hintsWhat to do if …Problem
Possible cause/consequence
Suggested solution
(USA only)75The indicator lamp does not illuminate
and/or does not remain illuminated
with the weight of a typical
12-month-old child in a standard child
restraint or less on the front passenger
seat.
The system is malfunctioning.
Make sure that there is nothing between seat cush-
ion and child seat and check installation of the child
seat.
Make sure that no objects applying supplemental
weight onto the seat are present.
Make sure that no objects which apply forces to the
seat are present (e.g. objects such as books, brief-
cases etc. lodged behind or around the seat, head
restraints pushing against roof etc.). The system
may recognize such forces as supplemental weight.
If the light remains out, have the system checked as
soon as possible by an authorized Mercedes-Benz
Center. Do not transport a child on the front passen-
ger seat until the system has been repaired.
Read and observe messages in the multifunction
display and follow corrective steps (
page 356).
Warning!
G
If the
75
indicator lamp does
not illuminate or remains out with the
weight of a typical 12-month-old child
in a standard child restraint or less on the
front passenger seat, do not transport a
child on the front passenger seat until the
system has been repaired.
Page 356 of 481

355 Practical hints
What to do if …
Problem
Possible cause/consequence
Suggested solution
(Canada only)75
The indicator lamp illu-
minates and remains
illuminated
(page 76).
A BabySmart
TM child seat is installed on
the passenger seat. Therefore the passen-
ger front air bag is switched off.
The system is malfunctioning when there
is no BabySmart
TM child seat installed on
the passenger seat.
Have the system checked at an autho-
rized Mercedes-Benz Center as soon as
possible.
The indicator lamp
does not illuminate or
does not remain illumi-
nated with a
BabySmart
TM child seat
properly installed on
the passenger seat.
The system is malfunctioning.
Make sure there is nothing between
seat cushion and child seat.
Check installation of the child seat
(page 87).
If the passenger front air bag off indicator
lamp remains out:
Have the system checked at an autho-
rized Mercedes-Benz Center as soon as
possible.
Do not use the BabySmart
TM restraint to
transport children on the front passenger
seat until the system has been repaired.
Page 363 of 481

362 Practical hintsWhat to do if …Display message
Possible cause/conse-
quence
Possible solution
(USA only)Front passenger
airbag enabled
See Operator’s Manual
Front passenger front air bag is
activated while driving even
though a child, small individual,
or object below the system’s
weight threshold is on the front
passenger seat, or the front
passenger seat is empty. Ob-
jects on the seat or forces act-
ing on the seat may make the
system sense supplemental
weight.
Stop the vehicle in a safe location as soon as possible and check the
front passenger seat for the following:
Apply the parking brake.
Switch off the ignition (
page 38).
Open the front passenger door.
Remove child and child restraint from front passenger seat and
properly secure the child in rear seat employing the child restraint
if necessary.
Remove any other items from on and around the front passenger
seat and make sure the storage pocket on the back of the front pas-
senger seat is empty.
Make sure that no objects which apply forces to the seat are
present (e.g. objects such as books, briefcases etc. lodged behind
or around the seat, head restraints pushing against roof etc.). The
system may recognize such forces as supplemental weight and
sense that an occupant on the front passenger seat is of a greater
weight than actually present.
Keep the seat unoccupied, close the front passenger door and turn
on the ignition (
page 38).
(Continued on next page)
Page 364 of 481

363 Practical hints
What to do if …
Display message
Possible cause/con-
sequence
Possible solutionMonitor the 75 indicator lamp on the center console (
page 29) and
the multifunction display in the instrument cluster (
page 27) for the following:
With the seat unoccupied and the ignition turned on,
the 75 indicator lamp on the center console should illuminate and
remain illuminated, indicating that the OCS (
page 71) has deactivated the
front passenger front air bag.
the message
Front passenger airbag enabled See Operator’s Manual
or the
message
Front passenger airbag disabled See Operator’s Manual
should
not appear in the multifunction display at any time the seat is unoccupied. Wait
at least 60 seconds for the system to complete the necessary check cycles and
to make sure neither message appears in the multifunction display.
If above conditions are met, you can occupy the front passenger seat again. De-
pending on the front passenger classification sensed by the OCS (
page 71), the
75 indicator lamp will remain illuminated or go out.
If above conditions are not met, the system is not working properly. Have the sys-
tem checked as soon as possible by an authorized Mercedes-Benz Center.
Warning!
G
If the 75indicator lamp
remains out even after performing the above
corrective steps, do not have any children
12 years old and under and other small
individuals use the front passenger seat un-
til the system has been repaired.
Page 460 of 481

459 Index
C
California retail buyers and lessees, impor-
tant notice for 11
Can holder see Cup holders
Capacities and recommended
fuels/lubricants 449
Cargo tie-down rings 243
Carpets, cleaning 339
Catalytic converter 281
CD player 151
Center console
Lower part 30
PASS AIR BAG OFF indicator
lamp 353
Upper part 29
Central locking
Automatic 118
Locking/unlocking from inside 118
Switching on/off (control
system) 165
Central locking switch 118
Certification label 300
Checking tire pressure electronically with
the Advanced Tire Pressure Monitoring
System* (Advanced TPMS*), (Canada
only) 309Checking tire pressure electronically with
the Tire Pressure Monitoring System
(TPMS), (USA only) 306
Children in the vehicle 84
Air bags 67
Indicator lamp, front passenger front
air bag 76
Infant and child restraint systems 84
LATCH-type child seat anchors 88
Override switch for rear passenger
compartment 89
Cigarette lighter 250
Climate control system
Air conditioning refrigerant 451
Air conditioning, Cooling 203
Air distribution 197
Air recirculation mode 200
Air volume 198
Automatic mode 196
Control panel, Rear 204
Deactivating system 196
Front defroster 199
Maximum cooling MAX COOL 200
Rear climate control 204
Residual engine heat (REST) 203Clock 27, 159
Setting time 159
Cockpit 24
Cold tire inflation pressure 323
Collapsible tire
Inflating 416
Collapsible wheel chock 395
COMAND see separate operating instruc-
tions
Combination filter with pollutant-sensitive
air-recirculation mode 202
Combination switch 55, 132
Control system 141
Functions 145
Multifunction display 141
Multifunction steering wheel 142
Resetting to factory default 155
Control system menus 144, 145
AUDIO 150
Distronic* 153
NAV* 152
Settings 154
Standard display 147
TEL* 168
Trip computer 167
Vehicle status message memory 153
Page 467 of 481

466 IndexKey, SmartKey with KEYLESS-GO*
Battery check lamp 105
Checking batteries 110
Factory setting 108
Global locking 108, 109
Global unlocking 108, 109
Locking/unlocking 105
Locking/unlocking, Selective
setting 109
Loss of 110
Messages in display 378, 379, 380,
383
Opening and closing the power
tilt/sliding sunroof 210
Opening and closing the
windows 210
Opening the trunk 112
Remote control 105
Replacing batteries 402
Restoring to factory setting 109
Selective setting 109
Starter switch positions 39
Starting the engine 52
Turning off engine 61
Turning off the engine 61KEYLESS-GO* see Key, SmartKey with
KEYLESS-GO*
Kickdown 175
Kilopascal 324
Knee bag 70
L
Labels
Certification 434
Emission control information 435
Vacuum line routing diagram 435
Lamp bulbs, exterior 404
Lamps, exterior
Front 405
Messages in display 380
Rear 406
Replacing bulbs 404
Switching on/off 128
Lamps, indicator and warning
ABS 27, 342
Air bag off 70
Battery (SmartKey) 104
Brakes 344
CHECK ENGINE 27, 345, 346
Coolant 347Distance warning lamp* 221, 227
Engine diagnostics 345, 346
Engine malfunction 27, 345, 346
ESP
®
27, 343
Fog lamps 131
Front passenger front air bag off 29,
76, 353, 354
Fuel reserve 27, 348
High beam headlamps 27
Instrument cluster 342
Seat belt telltale 27, 348, 349
SRS 65
Turn signals 27
Language, Setting 157
LATCH type child seat anchors 88
Layout of poly-V-belt drive 436
License plate lamps 406
Messages in display 383
Replacing bulbs 409
Light alloy wheels, cleaning 338
Lighter see Cigarette lighter
Page 470 of 481

469 Index
O
Occupant Classification System see OCS
Occupant distribution 324
Occupant safety 64
Air bags 66
Children and air bags 67
Children in the vehicle 84
Fastening the seat belt 48
Front passenger front air bag off indica-
tor lamp 75
Infant and child restraint systems 84
LATCH type child seat anchors 88
OCS 71
Seat belts 48, 68
OCS 71
Self-test 76
Odometer 27
Oil
Consumption 287
Oil see Engine oil
One-touch gearshifting
Gear selector lever 178
Steering wheel gearshift
control* 179Operating safety 16
Ornamental moldings, cleaning 335
Outside temperature see Displays
Overdue maintenance service 329
Overhead control panel 31
P
Paintwork, Cleaning 334
Panic alarm 90
Parcel net
Front passenger footwell 246
Parking 59
On hills 59
Over things that burn, Potential
consequences 59
Parking brake 53, 59
Message in display 372
Parking lamps 405
Replacing bulbs 409
Parking position
Exterior rear view mirrors 127, 166
Gear position 51
Parktronic system (Parking assist)* see
Parktronic*Parktronic* 235
Activating/deactivating 238
Cleaning system sensors 336
Malfunctioning 238
Minimum distance 236
Range 235
System sensors 336
Warning indicators 25, 237
Warning sounds 238
Parts service 432
PASS AIR BAG OFF indicator lamp see
Front passenger front air bag off indica-
tor lamp
Passenger compartment
Interior lighting 135
Interior rear view mirror 47
Main fuse box 429
Parcel net in the front passenger
footwell 246
Passenger safety see Occupant safety
Pedals 271
Phone see Telephone*
Plastic parts, cleaning 338