
ContentsSafety and Security...........................  67
Occupant safety...................................  68
Air bags ..........................................  70
Occupant Classification System 
(USA only) ......................................  75
BabySmart
TM air bag deactivation 
system (Canada only) .....................  81
Seat belts .......................................  82
Preventive occupant safety 
(PRE-SAFE®) ...................................  86
Active head restraints ....................  87
Children in the vehicle ....................  88
Blocking of rear door window 
operation ........................................  95
Panic alarm ..........................................  96
Activating .......................................  96
Deactivating ...................................  96
Driving safety systems .........................  97
ABS ................................................  97
BAS ................................................  99
Adaptive Brake ...............................  99
EBP...............................................  100
ESP
®.............................................  100
Four wheel electronic traction 
system (4MATIC) with the ESP
®...  105Anti-theft systems .............................  106
Immobilizer ..................................  106
Anti-theft alarm system................  106
Controls in detail.............................  109
Locking and unlocking .......................  110
SmartKey .....................................  110
SmartKey with KEYLESS-GO* ......  113
Checking batteries in the 
SmartKey or SmartKey with 
KEYLESS-GO* ..............................  119
Loss of the SmartKey or 
SmartKey with KEYLESS-GO* ......  119
Opening the doors from the 
inside ...........................................  119
Opening the trunk ........................  120
Closing the trunk..........................  122
Trunk emergency release .............  125
Valet locking ................................  126
Automatic central locking ............  127
Locking and unlocking from the 
inside ...........................................  127 Seats ................................................  129
Front seat active head restraints .  129
Rear seat head restraints .............  129
Lumbar support ...........................  131
Multicontour seat*.......................  131
Seat heating*...............................  132
Seat ventilation* ..........................  133
Memory function ...............................  134
Storing positions into memory .....  135
Recalling positions from memory.  135
Storing exterior rear view mirror 
parking position ...........................  136
Lighting .............................................  137
Exterior lamp switch ....................  137
Combination switch .....................  141
Corner-illuminating front fog 
lamps* .........................................  142
Hazard warning flasher ................  144
Interior lighting in the front ..........  145
Interior lighting in the rear ...........  146
Door entry lamps .........................  147
Trunk lamps .................................  147 

46 Getting startedAdjustingEasy-entry/exit feature
This feature allows for easier entry into and 
exit from the vehicle. When entering and 
exiting the vehicle, the steering wheel is in 
its uppermost position.
The easy-entry/exit feature can be activat-
ed or deactivated in the 
Convenience
 sub-
menu of the control system (
page 178).With the easy-entry/exit feature activated, 
the steering wheel will return to its last set 
position when you:
close the driver’s door with the ignition 
switched on
or
insert the SmartKey into the starter 
switch or press the KEYLESS-GO* 
start/stop button (
page 39) once 
with the driver’s door closedWith the easy-entry/exit feature activated, 
the steering wheel tilts upwards when you:
remove the SmartKey from the starter 
switch
or 
open the driver’s door with the 
SmartKey in starter switch position 0 
or 1 or the KEYLESS-GO* start/stop 
button (
page 39) in position 1
Warning!
G
You must make sure no one can become 
trapped or injured by the moving steering 
wheel when the easy-entry/exit feature is 
activated.
To stop steering wheel movement, do one of 
the following:
Move steering wheel adjustment stalk 
(page 45).
Press one of the memory buttons 
(page 135).
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle. 
Children could open the driver’s door and 
unintentionally activate the easy-entry/exit 
feature, which could result in an accident 
and/or serious personal injury.i
The last set steering wheel position is stored 
when
the ignition is switched off (
page 63)
the position is stored in memory 
(page 135)
i
If the current position for the steering wheel 
is in the uppermost tilt position, the steering 
wheel will no longer be able to move upward 
when the easy-entry/exit feature is activated.
The adjustment procedure is briefly interrupted 
when the engine is started. 

504 IndexConvenience submenu
Activating easy-entry/exit 
feature 178
Setting parking position for exterior 
rear view mirror 179
Coolant
Anticorrosion/antifreeze mixing ratio 
and quantity 499
Capacities 493
Checking coolant level 330
Messages in display 414, 415, 416
Temperature 320
Temperature indicator 149
Warning lamp 386
Corner-illuminating front fog lamps* 142
Cruise control 249
Cup holders 284
Curb weight 360
Customer Assistance Center (CAC) 17
D
Date display, setting 172, 173
Daytime running lamp mode 139
Setting 173, 174
Deep water see Standing water
Defogging windshield 213, 230
Defrosting, Front 212, 229Defrosting, Rear 203
Delayed shut-off
Exterior lamps 175
Interior lighting 176
Department of Transportation see DOT
Diesel fuel 322
Difficulties
While driving 60
With starting 54
Digital clock see Clock
Digital speedometer 157
Dimensions, vehicle 489
Direction of rotation (tires) 336
Displays
Digital speedometer 157
Distronic* 255
Maintenance service indicator 366
Messages in display 411
Multifunction display 151
Outside temperature 151, 170
Symbol messages 411
Text messages 398
Vehicle status message memory 165
Vehicle system settings, Control 
system 151Distance to empty (Range), Trip 
computer 181
Distronic* 252
Activating/deactivating 258
Cleaning system sensor 373
Control system 163
Distance warning function 261
Driving hints 262
Menu 257
Messages in display 399
Sensor cover 373
Warning and indicator lamps 255
Door
Entry lamps 147
Locking/unlocking, SmartKey 36
Locking/unlocking, SmartKey with 
KEYLESS-GO* 37, 116
Message in display 430
Opening from inside/outside 119
Remote door unlock (Tele Aid) 300
Unlocking, Mechanical key 436
Door control panel 34
Door handle 34
Doors
Locking/unlocking from outside 112
DOT 360 

514 IndexRestraint system see Children in the vehi-
cle
Retaining hooks 281
Reverse gear position, Automatic 
transmission 184, 186
Rims 361, 481
Roadside Assistance 12
Roller sunblind* 202
RON 322
Roof rack* 273
Rubber parts, cleaning 375
Run Flat Indicator 343
S
Safety
Driving safety systems 97
Occupant 68
Reporting defects 18
Safety belts see Seat belts 49
Satellite radio* 161
Seat belt force limiter 85Seat belts 82
Children in the vehicle 88
Cleaning 376
Fastening 49
Height adjustment 51
Proper use of 51, 84
Safety guidelines 72
Telltale 27, 388
Warning lamp 388
Seating capacity 337
Seats 41, 129
Easy-entry/exit feature 46
Heater* 132
Memory function 134
Multicontour seat* 131
Ventilation* 133
Seats, Rear bench seat* 276
Securing cargo
Cargo tie-down rings 280
Selective setting see SmartKey
Selector lever
Message in the display 407
Selector lever see Gear selector leverSelf-test
BabySmart
TM air bag deactivation 
system 81
OCS 80
Tele Aid 295
Service and warranty information 10
Service intervals see Maintenance, Service 
indicator
Service life, Tires 334
Service see Maintenance
Service system see FSS (Canada vehicles) 
or Maintenance System (US vehicles)
Service, Parts 474
Settings 116
Control system menus and 
submenus 153
Date 172, 173
Individual, Vehicle 166
Memory function 135
Resetting all, Control system 166
Selective, SmartKey with 
KEYLESS-GO* 117
Time 172
Shelf below rear window, cleaning 376
Shift program mode, Automatic 
transmission 190