Page 195 of 474
194 Controls in detailAutomatic climate control*Rear passenger compartment adjustable air vents
The air conditioning for the rear passenger
compartment is controlled via the auto-
matic climate control panel (
page 183).
The air vents for the rear passenger
compartment are located in the rear
center console. 1
Left center air vent
2 Thumbwheel for air volume control for
center air vents
3 Right center air vent Adjusting air distribution
Push the slide for the left center
vent
1 or right center vent 3 to the
left, right, up, or down.
The air flow is directed in the
corresponding direction.
Adjusting air volume
Turn thumbwheel 2 up or down.
The air volume is increased or
decreased.
iThe temperature at the center air vents
for the rear passenger
compartment 1 and 3 i s t h e s a m e a s
at the dashboard center air vents.
iFor draft-free ventilation, push
slides 1 and 3 upward.
Page 258 of 474

257
Controls in detail
Useful features
Turning the swiveling cup holder inward
and sliding it in
Turn the cup holder in the direction of
arrow
3 until it engages.
Turn the cup holder in the direction of
arrow 4 until it engages. Parcel net in front passenger footwell
A small convenience parcel net is located
in the front passenger footwell. It is for
small and light items, such as road maps,
mail, etc.
Ashtrays
Center console ashtray
1 Cover plate
2 Sliding button
3 Ashtray insert
Briefly press the bottom of cover
plate 1.
The cover plate 1 opens
automatically.
!No objects should be in the stationary
cup holder when the swiveling cup
holder is turned inward and pushed in.
Otherwise the swiveling cup holder or
the objects could be damaged.
Warning!
G
Do not place heavy or fragile objects, or ob-
jects having sharp edges, in the parcel net.
In an accident, during hard braking or sud-
den maneuvers, they could be thrown
around inside the vehicle, and cause injury
to vehicle occupants.
Page 346 of 474
345
Practical hints
What to do if …
Lamp in center consoleProblem
Possible cause
Suggested solution
56
The front passenger front air bag
off indicator lamp illuminates and
remains illuminated with the
weight of a typical adult or some-
one larger than a small individual
on the front passenger seat.
The system is malfunctioning.
Have the system checked as soon as possible
by an authorized Mercedes-Benz Center.
Also note any messages in the multifunction
display and follow corrective steps
(page 347).
Warning!
G
If the
56 indicator lamp illuminates
and remains illuminated with the weight of a
typical adult or someone larger than a small
individual on the front passenger seat, do
not have any passenger use the front
passenger seat until the system has been
repaired.
Page 380 of 474
379
Practical hints
Unlocking/locking in an emergency
Locking the vehicle
If you are unable to lock the vehicle with
the SmartKey, do the following:
Close the passenger door and the trunk
lid.
Press the central locking switch in the
center console (
page 98).
Check to see whether the locking knob
on the passenger door have moved
down.
If necessary push them down manually.
Except for the driver's door, the vehicle
should now be locked.
1
Locking
Insert the mechanical key into the
driver’s door lock until it stops.
Turn the mechanical key clockwise to
position 1.
The driver’s door is locked.
Fuel filler flap
In case the central locking system does
not release the fuel filler flap, you can open
it manually.Warning!
G
If you operate the emergency release but-
ton, be careful of the sharp edges so that
you do not injure yourself.
Page 445 of 474

444 IndexAdjusting sound functions 199
Adjusting the volume 199
Air bags 61Children 62
Front 65
Front passenger front air bag off indica-tor lamp 27, 76, 345
Passenger 65
Safety guidelines 64
Side impact 66
Window curtain 66
Air conditioner refrigerant 428
Air conditioning (cooling) Turning off 192 Climate control 179
Turning on 192 Climate control 179
Air distribution Adjusting 186 Climate control 176
Air pressure 323
Air pressure see Tire inflation pressure
Air pump, electric Turning on 399 Air recirculation mode 189
Activating 189Climate control 177
Deactivating 190 Climate control 178
Air vents, rear passenger compartment Adjustable 194Climate control 180
Air volume Adjusting 187Climate control 176
Alarm Audible 80, 87, 88
Canceling 87, 88
Visual 86
Alarm system Anti-theft 86
Alignment bolt 396
Alignment bolt (vehicle tool kit) 437
Anticorrosion/antifreeze 433
Antiglare Automatic* 168
Manual 167
Antilock brake system (ABS) 437 Anti-theft alarm system
Arming 86
Canceling alarm 87, 88
Disarming 87
Anti-theft systems 86 Anti-theft alarm system 86
Immobilizer 86
Tow-away alarm 87
Aquaplaning 281
Armrest Storage spaces 255
Ashtrays Center console 257
Rear seat 258
Aspect ratio 323
ATF (automatic transmission fluid) 296
AUDIO menu 129 Selecting radio station 130
Selecting satellite radio* station 130
Page 447 of 474

446 IndexBoltsFor spare wheel 376
Brake Indicator lamp 25
Brake assist system (BAS) 437
Brake fluid 290, 428 Checking 290
Message in display 358
Brake lamp bulbs 385
Brake pads Message in display 358
Brakes 278 Warning lamp 341
Break-in period 276
Bulbs, replacing 384 Additional turn signals 385
Brake lamps 385
Fog lamps 385
Front lamps 385
High beam 385
High beam flasher 385
License plate lamps 385, 392
Low beam 385
Parking lamps 385, 388, 390
Rear fog lamp 385, 390
Rear lamps 385 Side marker lamp 391
Side marker lamps 385, 390
Standing lamps 385, 388, 390
Tail lamp assemblies 385
Tail lamp unit 390
Turn signal lamps 385
Button Audio system 198
C
CAC (Customer Assistance Center) 437
Calling up Range (distance to empty) 152
Service indicator 331
CAN system 437
Capacities Fuels, coolants, lubricants, etc. 426
Cargo compartment Lighting 118
Tie-down rings 253
Cargo tie-down rings 253
Catalytic converter 285
CD changer* 213
CD changer* operation 215
CD player
Operating 131
CD* operation 213 Center console 27
Front passenger front air bag off indica-tor lamp 27, 76, 345
Lower part 28
Upper part 27
Centigrade Setting temperature units 137
Central locking Automatic 97
From inside 98
Switch 98
Switching on/off (control system) 148
Unlocking from inside 98
Central locking switch 98
Changing CDs 213
Key setting 148
Charcoal filter 191 Activating 191
Deactivating 192
Charging Vehicle battery 402
CHECK ENGINE malfunction indicator lamp 342
Page 448 of 474

447
Index
Checking
Brake fluid 290
Coolant level 290, 296, 359
Headlamp cleaning fluid 290
Oil level 290, 292
Tire inflate pressure 290
Vehicle lighting 290
Windshield washer fluid 290
Child safety 70 Air bags 62
Front passenger front air bag off indica-tor lamp 27, 76, 345
Infant and child restraint systems 66, 70
LATCH child seat anchors 78
OCS 73
Child seat anchors see LATCH child seat anchors
Cigarette lighter 259
Cleaning Cup holders 337
Gear selector lever 337
Hard plastic trim items 337
Headlamps 167
Headliner 337
Instrument cluster 337 Leather upholstery 338
Light alloy wheels 336
MB Tex upholstery 338
Plastic and rubber parts 338
Seat belts 337
Steering wheel 337
Upholstery 338
Windows 336
Windshield 54
Wiper blades 336
Wood trims 338
Cleaning tires 302
Climate control 172 Adjusting air distribution and volume 176
Defogging windshield 176
Defrosting 177
Rear window defroster 170
Setting the temperature 175
Clock 25, 139
Closing Ashtray, center console 258
Cup holder 257
Glove box 254
Hood 292
Luggage compartment 95 Panorama roof with power tilt/sliding
panel* in an emergency 381
Panorama roof with power tilt/sliding panel* with SmartKey 244
Storage compartment, armrest 255
Trunk lid 95
Windows 238
Windows with SmartKey 239
Cockpit 22, 437
Cockpit management and data system (COMAND*) 437
Cold tire inflation pressure 323
Collapsible tire 437
Collapsible wheel chock 375
COMAND* see separate operating instructions 437
Combination switch 114 Turn signals 52
Windshield wipers 53
Comfort driving Transmission program mode 164
Control and operation of radio transmitters 284
Page 459 of 474

458 IndexOne-touch gearshifting 160Canceling gear range limit 161
Downshifting 160
Upshifting 160
Opening Ashtray, center console 257
Ashtray, rear seat 258
Cup holders 256
Doors from the inside 94
Fuel filler flap 289
Fuel filler flap manually 379
Glove box 254
Hood 291
Panorama roof with power tilt/sliding panel* 242, 381
Panorama roof with power tilt/sliding panel* in an emergency 381
Panorama roof with power tilt/sliding panel* with SmartKey 244
Roller sunblinds* 241
Side windows 237
Storage compartment, armrest 255
Trunk lid from the inside 95
Windows 237
Windows with SmartKey 239 Operating
Audio system 195
CD player 131
COMAND* see separate operating in-structions
Navigation system* 131
Radio 130
Radio transmitters 284
Satellite radio* 130
Telephone* 153, 195, 220
Operating safety Audio system 195
Operator’s Manual 10
Ornamental moldings 335
Outside temperature 129
Outside temperature indicator 121
Overdue maintenance service 331
Overhead control panel 29
Overspeed range 440 P
Paintwork 334
Panic alarm
Panic button on SmartKey 80
Panorama roof with power tilt/sliding panel* 241Closing 242, 381
Closing with SmartKey 244
Messages in display 372
Opening 242, 381
Opening with SmartKey 244
Stopping 244
Synchronizing 246
Parcel net In front passenger footwell 257
Parking 56, 279
Parking brake 50, 56 Engaging 56
Message in display 358
Releasing 50
Parking lamps Replacing bulbs 385, 388, 390
Switching on 110
Parking position* Exterior rear view mirror 150, 169
Exterior rear view mirrors 109