
Armrest, front 
Storage compartment  ....................193
Ashtrays  ............................................. 196
Aspect ratio (tires)  ............................ 240
Audio/DVD menu  .............................. 126
Auto-dimming rear view mirrors  ........ 90
Automatic central locking  .......... 74, 135
Automatic headlamp mode  ................ 93
Automatic interior lighting control  .... 97
Automatic locking when driving  ...... 135
Automatic shift program  .................. 114
Automatic transmission  ................... 109
Automatic shift program  ................114
Emergency operation (limp-home
mode)  ............................................ 117
Gear range indicator  ......................114
Gear ranges  ................................... 113
Gear selector lever  ........................109
Hill-start assist system  ..................152
Kickdown  ....................................... 113
Kickdown (manual shift program)  ..117
Manual shift program ..................... 115
One-touch gearshifting  ..................115
Program mode indicator  ................114
Program mode selector switch
(automatic shift program)  ..............114
Program mode selector switch
(manual shift program)  ..................116
Shifting procedure  .........................111
Steering wheel gearshift control  ....115
Towing a trailer  .............................. 113
Transmission position indicator  .....112
Transmission positions  ..................112
AUX socket  ........................................ 193
Axle oils  .............................................. 357
B
BabySmart™  
Air bag deactivation system  .............46
Self-test  ........................................... 47
Backrest
see Seats                                                  
Backup lamps  
Messages in the multifunction
display  ........................................... 293
Bar (air pressure unit)  ....................... 240
BAS (Brake Assist System)  ................. 63
Batteries, SmartKey  
Checking condition  ..........................73
Replacing  ....................................... 309
Battery, Vehicle  ................................. 334
Charging  ........................................ 336
Jump starting  ................................. 336
Messages in the multifunction
display  ................................... 280, 290
Bead (tire)  .......................................... 240
Beverage holders see Cup holders                                        
Bleeding the fuel system (diesel
engine)  ............................................... 331
BlueTEC  
AdBlue ®
 tank  ................................. 331
AdBlue ®
 tank capacity  ...................358
Brake fluid  
Checking level  ............................... 217
Messages in the multifunction
display  ........................................... 284
Brake lamps  
Cleaning lenses  ............................. 263
Brake pads  
Messages in the multifunction
display  ........................................... 283
Brakes  ................................................ 245
High-performance brake system  ....246
Parking brake  ........................ 107, 247
Warning lamp ................................. 299
Break-in period  .................................. 210
Bug cover (Radiator)  ......................... 214
Bulbs see Replacing bulbs                                  
C
CAC (Customer Assistance Center)  ... 23
California retail buyers and
lessees, important notice for  ............. 21
Calls (phone)  ...................................... 139
Can holders see Cup holders                                        
Capacities and recommended
fuel/lubricants  .................................. 356
Cargo compartment  
Cargo net  ....................................... 191
Cargo volume, expanding  ..............189
Cover blind  .................................... 190
Index5164_AKB; 7; 31, en-USd2ureepe,Version: 2.11.8.12009-09-11T12:07:36+02:00 - Seite 5 

Coolant 
Anticorrosion/antifreeze  ...............363
Capacities  ...................................... 358
Checking level  ............................... 216
Messages in the multifunction
display  ........................................... 288
Corner-illuminating front fog
lamps  .................................................... 96
Cruise control  .................................... 141
Activating ....................................... 142
Canceling  ....................................... 142
Changing the set speed  .................143
Last stored speed  ..........................143
Lever .............................................. 142
Messages in the mutlifunction
display  ........................................... 278
Resume function  ............................ 143
Setting current speed  ....................142
Cup holders  ........................................ 194
Curb weight  ....................................... 240
Customer Assistance Center (CAC)  ... 23
Customer Relations Department  ....... 24
D
Dashboard see Instrument cluster                              
Data recording  ..................................... 24
Date, Setting  ...................................... 132
Daytime running lamp mode  .............. 94
Switching on or off ......................... 133
Deep water
see Standing water                                   
Defroster  
Rear window  .................................. 183
Windshield  ............................. 171, 181
Delayed shut-off  
Exterior lamps ................................ 134
Interior lighting  .............................. 135
Department of Transportation
see DOT                                                    
Diesel engine  
Preglow indicator lamp  ....................29
Diesel fuel
see Fuel                                                     
Difficulties  
While driving  .................................. 106
With starting  .................................. 105
Digital clock
see Clock                                                  
Digital speedometer  ......................... 123
Dimensions (vehicle) see Vehicle specification                          
Direction of rotation (tires)  .............. 231
Displays  
Digital speedometer  ......................123
Distronic  ........................................ 146
Maintenance service indicator  .......258
Messages in the multifunction
display  ........................................... 272
Multifunction display  .....................121
Outside temperature  .............123, 131
Symbol messages  ..........................283
Text messages  ............................... 273
Trip computer  ................................ 138
Vehicle status message memory  ...128
Vehicle system settings  .................129
Distronic  ............................................ 144
Cleaning system sensor cover  .......263
Control system  .............................. 128
Distance warning function  .............151
Distance warning
lamp  ...................................... 146, 302
Driving with .................................... 150
Menu  ............................................. 147
Messages in the multifunction
display  ........................................... 278
Resume function  ............................ 149
Sensor cover .................................. 263
Speed settings  ............................... 148
Door control panel  .............................. 33
Door handles  ........................................ 33
Doors  
Child safety locks  ............................ 60
Locking/unlocking (KEYLESS-GO)  ...71
Locking/unlocking (SmartKey)  ........70
Messages in the multifunction
display  ........................................... 286
Opening from inside ......................... 74
Remote door unlock (Tele Aid)  .......203
Unlocking (Mechanical key)  ...........306
DOT (Department of
Transportation)  .................................. 240
Downhill Speed Regulation see DSR                                                    
Drinking and driving  ......................... 244Index7164_AKB; 7; 31, en-USd2ureepe,Version: 2.11.8.12009-09-11T12:07:36+02:00 - Seite 7 

Inflation pressuresee Tires, Inflation pressure                      
Infrared reflecting windshield  ......... 208
Inside door handle  .............................. 74
Instrument cluster  ............................ 117
Illumination  .................................... 118
Lamps  ............................................ 297
Multifunction display  .....................121
Instrument lighting
see Instrument cluster, Illumination         
Instrument panel
see Instrument cluster                              
Instruments and controls
see Cockpit                                               
Interior lighting  
Delayed shut-off  ............................ 135
Emergency lighting  ..........................98
Front  ................................................ 97
Front reading lamps  .........................97
Rear  ................................................. 98
Rear reading lamps  ..........................98
Interior rear view mirror  ..................... 89
Auto-dimming rear view mirrors ....... 90
Interior storage spaces
see Storage compartments                      
Intermittent wiping  
Rain sensor  ...................................... 99
J
Jack  ..................................................... 270
Jump starting  ..................................... 336
K
Key, Mechanical  
Loss of  ............................................. 73
Replacing  ......................................... 74
Unlocking/locking manually  ..........306
Key, SmartKey  
Battery check lamp  ..........................73
Checking batteries  ...........................73
Factory setting ........................... 71, 72
Global locking (KEYLESS-
GO)  .................................................. 73
Global locking (SmartKey) ................ 71
Global unlocking (KEYLESS-
GO)  ............................................ 72, 73
Global unlocking
(SmartKey)  ....................................... 71
Important notes on KEYLESS-GO  .....72
Locking/unlocking ........................... 70
Loss of  ............................................. 73
Messages in the multifunction
display  ................................... 286, 287
Opening and closing the power
tilt/sliding sunroof  .........................102
Opening and closing the windows . 102
Remote control  ................................ 70
Replacing  ......................................... 74
Replacing batteries  ........................309
Restoring to factory setting  .......71, 73
Selective setting  ........................71, 73
Starter switch positions  ...................79
KEYLESS-GO  
Starter switch positions  ...................80
Kickdown  ........................................... 113
Kickdown (manual shift program)  ... 117
Kilopascal (air pressure unit)  ........... 240
L
Labels  
Certification  ................................... 346
Emission control information  .........347
Tire and Loading Information
placard ........................................... 227
Tire inflation pressure  ....................220
Lamps, exterior  
Exterior lamp switch  ........................93
Front  .............................................. 312
Messages in the multifunction
display  ........................................... 293
Rear  ............................................... 312
Switching on/off .............................. 93
Lamps, indicator and warning  
ABS .......................................... 28, 298
Brakes  ..................................... 28, 299
Center console  ................................ 31
Distance warning
lamp  .............................. 146, 151, 302
Engine malfunction  ..................29, 303
ESP ®
 ........................................ 28, 301
Fog lamps  ........................................ 95
Front passenger front air bag off
(Canada only)  .......................... 46, 305
Index11164_AKB; 7; 31, en-USd2ureepe,Version: 2.11.8.12009-09-11T12:07:36+02:00 - Seite 11 

Front passenger front air bag off
(USA only) ................................ 42, 305
Fuel tank reserve  .....................29, 303
High-beam headlamps  ...............29, 96
Instrument cluster  ...................28, 297
Low-beam headlamps  ................29, 93
Low tire pressure/TPMS
malfunction telltale  ..................28, 304
Seat belt telltale  ................29, 51, 300
SRS .................................... 29, 36, 301
Turn signals  ..................................... 28
Language, selecting  .......................... 131
LATCH-type child seat anchors see Children in the vehicle                        
License plate lamps  
Messages in the multifunction
display  ........................................... 294
Replacing bulbs  ............................. 313
Light alloy wheels, cleaning  ............. 264
Lighter see Cigarette lighter                                 
Lighting  ................................................ 92
Daytime running lamp mode  ............94
Exterior  ............................................ 93
Interior  ............................................. 97
Limp-home mode  .............................. 117
Load index (tires)  ...................... 236, 240
Loading see Vehicle loading                                   
Locator lighting  ................................. 133
Lock button  
Outside door handle (KEYLESS-
GO)  .................................................. 73
Locking the vehicle  
KEYLESS-GO  .................................... 71
Manually  ........................................ 307
SmartKey  ......................................... 70
Loss of  
Key  .................................................. 73
Service and Warranty Information
booklet  .......................................... 346
Low-beam headlamps  ......................... 93
Exterior lamp switch  ........................93
Indicator lamp .................................. 29
Switching on  .................................... 93
Lubricants  .......................................... 356
Lumbar support  ................................... 84M
Maintenance  ........................................ 21
Maintenance System  
Service indicator display  ................259
Service indicator message  .............258
Service term exceeded  ..................259
Manual headlamp mode (Low-
beam headlamps)  ................................ 93
Manual shift program  ....................... 115
Maximum engine speed see Vehicle specification                          
Maximum loaded vehicle weight  ..... 241
Maximum load rating (tires)  ............. 240
Maximum permissible tire
inflation pressure  .............................. 241
Mechanical key  .................................. 306
Media interface  ................................. 193
Memory function  ................................. 92
Menus see Control system menus                       
Minispare wheel
see Spare wheel                                        
Mirrors  .................................................. 89
Auto-dimming rear view mirrors ....... 90
Exterior rear view mirror parking
position  ............................................ 90
Exterior rear view mirrors  ................89
Interior rear view mirror  ...................89
Memory function .............................. 92
Power-folding exterior rear view
mirrors  ............................................. 91
Vanity mirror  .................................. 195
MOExtended system  ......................... 330
MOExtended tires  ..................... 330, 352
MON (Motor Octane Number)  .......... 360
Motor Octane Number see MON                                                   
Multicontour seat  ................................ 85
Multifunction display  ........................ 121
Symbol messages  ..........................283
Text messages  ............................... 273
Vehicle status messages  ...............272
Multifunction display messages  
ABS  ....................................... 273, 284
Active headlamps  .......................... 293
Advanced TPMS ..................... 281, 296
Air bags  ......................................... 27512Index164_AKB; 7; 31, en-USd2ureepe,Version: 2.11.8.12009-09-11T12:07:36+02:00 - Seite 12 

Lower part FunctionPage:Ashtray with storage
compartment196
Cigarette lighter196;Cup holder194=Front armrest storage
compartment192
?Removable card/ticket
holder194Overhead control panelFunctionPage:Left front reading lamp on/
off97
;Automatic interior lighting97=Rear interior lighting on/off97?Front interior lighting on/
off97
ARight reading lamp on/off97BFront right interior lamp97CPower tilt/sliding sunroof
switch184
DSOS button (Tele Aid
system)201
EInterior rear view mirror89FReading lamps97GGarage door opener 20432Overhead control panelAt a glance
164_AKB; 7; 31, en-USd2ureepe,Version: 2.11.8.12009-09-11T12:07:36+02:00 - Seite 32     

iAt low ambient temperatures, the exterior
rear view mirrors will be heated
automatically.
Auto-dimming rear view mirrors
The exterior rear view mirror on the driver’s
side and the interior rear view mirror will
respond automatically to glare when the
ignition is switched on and incoming light
from headlamps falls on the sensor in the
interior rear view mirror.
The rear view mirrors will not react if the
automatic transmission is set to reverse gear
R or the interior lighting is switched on.
GWarning!
The auto-dimming function does not react if
incoming light is not aimed directly at sensors
in the interior rear view mirror.
The interior rear view mirror and the exterior
rear view mirror on the driver’s side do not
react, for example, when transporting cargo
which covers the rear window.
Light hitting the mirror(s) at certain angles
(incident light) could blind you. As a result,
you may not be able to observe traffic
conditions and could cause an accident.
Exterior rear view mirror parking 
position
For more convenient parking, you can set the
passenger-side exterior rear view mirror so
that you can see the rear wheel and the road
curb.
Setting and storing the parking position
XSwitch on the ignition.XPress button =, to select the passenger-
side exterior rear view mirror.
XShift the automatic transmission into
reverse gear R.
The passenger-side exterior rear view
mirror moves to the preset parking
position.
XAdjust the passenger-side exterior rear
view mirror with adjustment button ; so
that you see the rear wheel and the road
curb.
The exterior rear view mirror parking
position is stored.
Calling up the parking position
XSwitch on the ignition.XPress button =, to select the passenger-
side exterior rear view mirror.
XShift the automatic transmission into
reverse gear R.
The passenger-side exterior rear view
mirror moves to the stored parking
position.
90MirrorsControls in detail
164_AKB; 7; 31, en-USd2ureepe,Version: 2.11.8.12009-09-11T12:07:36+02:00 - Seite 90   

Rwith the front fog lamps switched off
Rwhen the engine is running
Switching on
XTurn the exterior lamp switch to position
L or Ã.
or
XActivate the daytime running lamp mode
(Y page 94).
XSwitch on the left or right turn signal,
depending on whether you are turning left
or right.
The respective front fog lamp comes on. If
you have switched on the turn signal for
one side but turn the steering wheel in the
other direction, the corner-illuminating
front fog lamp on the side of the turn signal
comes on.
or
XTurn the steering wheel in the desired
direction.
Driving forward: The front fog lamp on the
side of your steering direction comes on.
Driving in reverse: The front fog lamp
opposite to your steering direction comes
on.
The corner-illuminating front fog lamps will
come on automatically depending on the
steering angle, even if you did not switch on
either turn signal. If the corner-illuminating
front fog lamps came on automatically, they
will also go out automatically depending on
the steering angle and vehicle speed.
The corner-illuminating front fog lamps
temporarily come on on both sides of the
vehicle if you turn the steering wheel in one
direction and then again in the other direction
shortly thereafter.
The corner-illuminating front fog lamp
remains lit for a short time only. It then goes
out automatically.
Switching offXSwitch off the left or right turn signal.
or
XSteer straight ahead.
iThere may be a brief delay before the
corner-illuminating front fog lamps go out.
Interior lighting in the front
:p Left front reading lamp on/off;v Rear interior lighting on/off=~ Automatic control on/off?c Front interior lighting on/off Ap Right front reading lamp on/offBFront interior lightingCFront reading lamps DFront interior lighting
Automatic control 
XActivating: Press button ~.
Button ~ disengages and sits flush with
the other buttons.
The interior lighting comes on when you
Lighting97Controls in detail164_AKB; 7; 31, en-USd2ureepe,Version: 2.11.8.12009-09-11T12:07:36+02:00 - Seite 97Z   

Runlock the vehicle
Rremove the SmartKey from the starter
switch (Interior Lighting Delayed 
Shut-off must be switched on
(Y page 135))
Ropen a door
Ropen the tailgate
The interior lighting goes out after a short
time.
iIf a door remains open, the interior lamps
go out automatically after approximately
5 minutes when the SmartKey is removed
or in starter switch position 0.
XDeactivating: Press button ~.
Button ~ engages.
Manual control 
! An interior lamp switched on manually
does not go out automatically.
Leaving an interior lamp switched on for an
extended period of time with the engine
turned off could result in a discharged
battery.
XSwitching front interior lighting on/
off: Press switch c.
XSwitching rear interior lighting on/off:
Press switch v.
XSwitching front reading lamps on/off:
Press respective switch p.
Emergency lighting 
The interior lighting comes on automatically
if the vehicle is involved in an accident.
Switching off: 
XPress button ~.
or
XPress hazard warning flasher switch
(Y page 96).
or
XUnlock the vehicle with the SmartKey.Interior lighting in the rear
! An interior lamp switched on manually
does not go out automatically.
Leaving an interior lamp switched on for an
extended period of time with the engine
turned off could result in a discharged
battery.
XSwitching rear reading lamps on/off:
Press reading lamp : where indicated by
the arrow.
Wipers
Notes
! Do not operate the wipers when the
windshield/rear window is dry. Dust that
accumulates on a windshield/rear window
might scratch the glass and/or damage the
wiper blades when wiping occurs on a dry
windshield/rear window. If it is necessary
to operate the wipers in dry weather
conditions, always operate the wipers with
washer fluid.
Windshield wipers
XObserve notes on page (Y page 98).98WipersControls in detail
164_AKB; 7; 31, en-USd2ureepe,Version: 2.11.8.12009-09-11T12:07:36+02:00 - Seite 98