Page 4 of 394

ContentsSafety and Security........................... 55
Occupant safety................................... 56
Airbags ........................................... 57
Seat belts ....................................... 62
Children in the vehicle .................... 66
Blocking of rear side
window operation ........................... 72
Panic alarm .......................................... 73
Activating ....................................... 73
Deactivating ................................... 73
Driving safety systems ......................... 74
ABS ................................................ 74
BAS ................................................ 76
ESP ................................................. 76
Anti-theft systems................................ 79
Immobilizer..................................... 79
Anti-theft alarm system .................. 80
Tow-away alarm ............................. 81
Controls in detail............................... 83
Locking and unlocking ......................... 84
Keys ............................................... 84
SmartKey with KEYLESS-GO* ........ 88
Opening the doors from the inside . 92
Opening the trunk from the inside . 92
Trunk lid emergency release .......... 93
Closing the trunk lid ....................... 94
Separately locking the trunk .......... 94
Separately unlocking the trunk ...... 95
Automatic central locking .............. 95
Locking and unlocking
from the inside ............................... 95
Seats ................................................... 97
Easy-entry/exit feature .................. 97
Head restraints .............................. 97
Multicontour seat* ....................... 100
Heated seats* .............................. 101
Memory function ............................... 102
Storing positions into memory ..... 103
Recalling positions from memory . 103
Storing parking position ............... 103Lighting ............................................. 105
Exterior lamp switch .................... 105
Combination switch ..................... 107
Hazard warning flasher ................ 108
Interior lighting ............................ 109
Door entry lamps ......................... 110
Instrument cluster ............................. 111
Instrument cluster illumination .... 111
Coolant temperature display ........ 112
Trip odometer .............................. 112
Tachometer .................................. 113
Outside temperature indicator ..... 113
Control system .................................. 114
Multifunction display.................... 114
Multifunction steering wheel........ 115
Menus .......................................... 117
Standard display menu ................ 119
AUDIO menu ................................ 119
NAV menu .................................... 121
Distronic* menu .......................... 121
Malfunction memory menu .......... 122
Settings menu .............................. 123
Trip computer menu..................... 136
TEL menu* ................................... 138
Page 25 of 394
25 At a glance
Center console
Center console
Upper part
Item
Page
1
Seat heater*, driver’s side
101
2
Parking assist* (Parktronic
system*) deactivation
switch
211
3
Rear window sunshade*
153
4
ESP control switch
76
5
Hazard warning flasher
on/off switch
108
6
Central locking switch
96
7
Rear head restraints, fold-
ing down switch
98
Item
Page
8
Tow-away alarm switch
Anti-theft alarm system in-
dicator lamp
81
81
9
Seat heater*, passenger
side
101
10
Indicator lamp
7
68,
282
11
Audio system or
COMAND* (see separate
operating instructions)
119
12
Automatic climate control
Rear window defroster
154,
162
13
Ashtray
223
Page 55 of 394
55 Safety and Security
Occupant safety
Panic alarm
Driving safety systems
Anti-theft systems
Page 73 of 394
73 Safety and Security
Panic alarm
Panic alarm
An audible alarm and blinking exterior
lamps will operate for approximately
2½ minutes.
1
Â
button
Activating
Press and hold button1 for at least one
second.
Deactivating
Press button1 again
or
Insert key in starter switch.
iFor operation in the USA only: This de-
vice complies with Part 15 of the
FCC Rules. Operation is subject to the
following two conditions:
(1) This device may not cause harmful
interference, and
(2) this device must accept any inter-
ference received, including interfer-
ence that may cause undesired
operation.
Any unauthorized modification to this
device could void the user’s authority
to operate the equipment.
Page 80 of 394

80 Safety and SecurityAnti-theft systemsAnti-theft alarm system
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens
a door
the trunk
the hood.
The alarm system will also be triggered
when
someone attempts to raise the vehicle
the vehicle is opened with the mechan-
ical key.Arming the alarm system
The alarm system is armed after locking
the vehicle with the remote control or
KEYLESS-GO*. The turn signal lamps blink
three times to indicate that the alarm sys-
tem is activated. The indicator lamp in the
switch for the tow-away alarm will blink af-
ter approximately 10 seconds when the
alarm system is completely armed
(
page 25).Disarming the alarm system
The alarm system is disarmed when you
unlock your vehicle with the remote con-
trol or KEYLESS-GO*. The turn signal
lamps blink once to indicate that the alarm
system is deactivated
Canceling the alarm
To cancel the alarm:
With the key
Insert the key in the starter switch.
or
Press the
Œ
or
‹
button.
With KEYLESS-GO*
Grasp the outside door handle.
or
Press the KEYLESS-GO* start/stop
button.
iIf the alarm stays on for more than
20 seconds, an emergency call is initi-
ated automatically by the Tele Aid sys-
tem provided Tele Aid service was
subscribed to and properly activated.
iIf the turn signal lamps do not blink
three times one of the following ele-
ments may not be properly closed:
a door
the trunk lid
the hood
Close the respective element and lock
the vehicle again.
Page 81 of 394

81 Safety and Security
Anti-theft systems
Tow-away alarm
Once the tow-away alarm is armed, a visual
and audible alarm will be triggered when
someone attempts to raise the vehicle.
Arming tow-away alarm
When you lock your vehicle, the tow-away
alarm is automatically armed after about
30 seconds.
When you unlock your vehicle, the
tow-away protection disarms automatical-
ly.Disarming tow-away alarm
To prevent triggering the tow-away alarm
feature, switch off the tow-away alarm be-
fore towing the vehicle, or when parking on
a surface subject to movement, such as a
ferry or auto train.
1Tow-away alarm off switch
2Indicator lamp
The switch is located on the center con-
sole.
Turn off the ignition and remove the
key.
Press upper half1 of the switch.
Indicator lamp2 in the switch lights up
briefly.
Lock your vehicle with the key or (vehi-
cles with KEYLESS-GO*) the lock but-
ton at each door handle.
The tow-away alarm remains disarmed un-
til you lock your vehicle again.
iThe tow-away protection alarm is trig-
gered, for example, if the vehicle is lift-
ed on one side.
If the alarm stays on for more than
20 seconds, an emergency call is initi-
ated automatically by the Tele Aid sys-
tem provided Tele Aid service was
subscribed to and properly activated.
iYou cannot disarm the tow-away alarm
if the ignition is turned on.
Page 92 of 394
92 Controls in detailLocking and unlockingOpening the doors from the inside
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
1Inside door handle
2Locking knob
Pull on door handle1.
If door was locked, locking knob2 will
move up.
Opening the trunk from the inside
You can open the trunk using the trunk lid
release switch.
1Remote trunk lid release switch with in-
dicator lamp
Push remote trunk lid release switch 1.
The trunk opens. The indicator lamp
comes on. It remains lit until you close
the trunk again.
iIf you open a door, the side windows on
that side of the vehicle will lower slight-
ly. The windows close again when you
close the door.iIf the vehicle has previously been
locked from the outside with the re-
mote control, opening a door from the
inside will trigger the alarm.
To cancel the alarm, do one of the
following:
Press button
‹
or
Œ
on the
Smart Key.
Insert the SmartKey in the starter
switch.
Page 93 of 394
93 Controls in detail
Locking and unlocking
If the trunk lid does not open, it is still
locked separately (
page 95).
Trunk lid emergency release
The emergency release button is located in
the trunk lid.
Illumination of the emergency release but-
ton:
The button will blink for 30 minutes af-
ter opening the trunk.
The button will blink for 60 minutes af-
ter closing the trunk.
Briefly press the emergency release
button.
The trunk unlocks and the trunk lid
opens.
!The trunk lid swings open upwards au-
tomatically. Always make sure that
there is sufficient overhead clearance.
!The emergency release button does
not open the trunk lid if the vehicle bat-
tery is discharged or disconnected.iIf the emergency release button is
pressed and the vehicle was centrally
locked, the exterior lamps will flash and
the alarm will sound as the trunk lid
opens.
To cancel the alarm, insert the key in
the starter switch or press button
Œ
or
‹
on the key.