ContentsSafety and Security........................... 63
Occupant safety................................... 64
Airbags ........................................... 65
Seat belts ....................................... 71
Roll bar ........................................... 75
Children in the vehicle .................... 76
Panic alarm .......................................... 81
Activating ....................................... 81
Deactivating ................................... 81
Driving safety systems ......................... 82
ABS ................................................ 83
BAS ................................................ 84
ESP
®............................................... 85
Electro-hydraulic brake system ...... 88
Anti-theft systems................................ 91
Immobilizer..................................... 91
Anti-theft alarm system .................. 91
Tow-away alarm ............................. 93
Controls in detail............................... 95
Locking and unlocking ......................... 96
SmartKey ....................................... 96
SmartKey with KEYLESS-GO* ...... 100
Opening the doors from the
inside ........................................... 107
Opening the trunk ........................ 108
Closing the trunk.......................... 109
Valet locking ................................ 110
Trunk lid emergency release ........ 111
Automatic central locking ............ 112
Locking and unlocking from the
inside ........................................... 113
Seats ................................................. 115
Moving the seats forward and
backward ..................................... 115
Lumbar support............................ 116
Multicontour backrest* ................ 116
Seat heating ................................. 117
Seat ventilation* .......................... 120
Memory function ............................... 121
Storing positions into memory ..... 122
Recalling positions from memory . 122 Lighting ............................................ 123
Exterior lamp switch .................... 123
Corner-illuminating front fog
lamps* (vehicles with Bi-Xenon*
headlamps and without Sport
Package*) .................................... 127
Combination switch ..................... 129
Hazard warning flasher ................ 129
Interior lighting ............................ 130
Courtesy lighting .......................... 131
Instrument cluster ............................. 132
Instrument cluster illumination .... 132
Coolant temperature gauge ......... 133
Trip odometer .............................. 133
Tachometer.................................. 133
Outside temperature indicator ..... 134
Control system .................................. 135
Multifunction display.................... 135
Multifunction steering wheel........ 136
Menus .......................................... 138
Standard display menu ................ 140
AUDIO menu ................................ 141
NAV menu .................................... 143
Distronic* menu .......................... 143
Vehicle status message memory
menu............................................ 144
32 At a glanceDoor control panel
Item
Page
1
Door handle
107
2
Switches for opening/clos-
ing front and rear side win-
dows
192
3
Memory function (for stor-
ing seat, mirror and steer-
ing wheel settings)
121
4
Seat heating switch
117
Seat ventilation* switch
120
5
Seat adjustment switch
39,
115
6
Remote trunk lid release
switch
108
7
Door pocket
228
92 Safety and SecurityAnti-theft systemsThe alarm system will also be triggered
when
someone attempts to raise the vehicle
unlocking and opening the driver’s
door with the mechanical key
someone opens a door from the inside
someone opens the trunk lid with the
emergency release buttonArming the alarm system
The alarm system is armed after locking
the vehicle with the SmartKey or
KEYLESS-GO*. The turn signal lamps flash
three times to indicate that the alarm sys-
tem is activated. The ‹indicator lamp
in the central locking switch (
page 29)
begins to flash after arming the alarm sys-
tem.Disarming the alarm system
The alarm system is disarmed when you
unlock your vehicle with the SmartKey or
KEYLESS-GO*. The turn signal lamps flash
once to indicate that the alarm system is
disarmed.
iIf the alarm stays on for more than
30 seconds, a call to the Response
Center is initiated automatically by the
Tele Aid system (
page 240) provided
Tele Aid service was subscribed to and
properly activated, and that necessary
cellular service and GPS coverage are
available.
iIf the turn signal lamps do not flash
three times, a door or the trunk lid may
not be properly closed.
Close the respective element and lock
the vehicle again.
iThe alarm system will rearm automati-
cally again after approximately 40 sec-
onds if no door was opened.
108 Controls in detailLocking and unlockingOpening the trunk
A minimum height clearance of
6.2 ft (1.88 m) is required to open the
trunk lid.
Opening the trunk from the outside
The handle is located above the rear li-
cense plate recess.
1Handle
Pull on handle 1 and lift the trunk lid.The trunk can also be opened using
the SmartKey, see “Locking and un-
locking” (
page 96)
the remote trunk lid release switch, see
“Opening the trunk from the inside”
(page 108)
the trunk lid emergency release button,
see “Trunk lid emergency release”
(page 111)
Opening the trunk from the inside
You can open the trunk from the inside if
the vehicle is stationary and the retract-
able hardtop is fully opened or closed.
The switch is located on the driver’s door.
!Always make sure that there is suffi-
cient overhead clearance.
iVehicles without KEYLESS-GO*:
The vehicle must be unlocked.iTo facilitate trunk loading and unload-
ing when the hardtop is retracted, you
can raise the hardtop from its storage
position in the trunk using the load as-
sist feature (
page 236). You may also
unhook the luggage cover.
Remember to resecure the luggage
cover after loading/unloading the
trunk. Otherwise you will not be able to
lower the retractable hardtop.
Vehicles without KEYLESS-GO*:
If the trunk lid does not open, the en-
tire vehicle is still locked globally
(
page 96) or it is still locked sepa-
rately (
page 110).
109 Controls in detail
Locking and unlocking
1Remote trunk lid release switch
2Indicator lamp
Pull remote trunk lid release switch1.
The trunk lid unlocks. Indicator
lamp2 comes on and remains lit until
the trunk is closed again.
Lift the trunk lid.The trunk can also be opened using
the SmartKey, see “Locking and un-
locking” (
page 96)
the remote trunk lid release switch, see
“Opening the trunk from the inside”
(page 108)
the trunk lid emergency release button,
see “Trunk lid emergency release”
(page 111)
Closing the trunk
1Handle
Lower trunk lid by firmly pulling on
handle1.
iTo facilitate trunk loading and unload-
ing when the hardtop is retracted, you
can raise the hardtop from its storage
position in the trunk using the loading
aid feature (
page 236). You may also
unhook the luggage cover.
Remember to resecure the luggage
cover after loading/unloading the
trunk. Otherwise you will not be able to
lower the retractable hardtop.
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the trunk
opening when closing the trunk lid. Be espe-
cially careful when small children are
around.
111 Controls in detail
Locking and unlocking
1Neutral position
2Locked
Close the trunk (
page 109).
Pull the mechanical key out of the
SmartKey (
page 385).
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key clockwise to
position2 and remove the mechani-
cal key in that position to lock the
trunk.
The trunk remains locked even when the
vehicle is centrally unlocked.
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key counterclock-
wise to neutral position1 and remove
the mechanical key in that position to
unlock the trunk.
You can now open the trunk
(page 108).
Trunk lid emergency release
With the trunk lid emergency release but-
ton, the trunk can be opened from inside
the trunk.
The emergency release button is located
on the left side of the trunk.
1Emergency release button
Briefly press emergency release
button1.
The trunk unlocks and the trunk lid
opens slightly.
Push up the trunk lid to fully open.
iYou can only cancel the separate trunk
locking mode by means of the
mechanical key.
112 Controls in detailLocking and unlockingIllumination of the emergency release but-
ton:
The button flashes for 30 minutes after
opening the trunk.
The button flashes for 60 minutes after
closing the trunk.
Automatic central locking
The doors and the trunk lid lock automati-
cally when the vehicle is set into motion.
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
You can deactivate the automatic locking
using the control system (
page 155).
iThe emergency release button unlocks
the trunk while the vehicle is standing
still or in motion.iThe emergency release button does
not open the trunk lid if the vehicle bat-
tery is discharged or disconnected.
iIf the vehicle has previously been
locked with the SmartKey or
KEYLESS-GO*, opening the trunk from
the inside using the emergency release
button will trigger the alarm system.
To cancel the alarm, do one of the fol-
lowing:
Press buttonŒ or‹ on the
SmartKey.
Insert the SmartKey in the starter
switch.
Vehicles with KEYLESS-GO*
Grasp an outside door handle.
The SmartKey with KEYLESS-GO
must be within 3 ft. (1 m) of the
vehicle.
Press the KEYLESS-GO* start/stop
button (
page 37).
The SmartKey with KEYLESS-GO
must be inside the vehicle.
iThe doors unlock automatically after an
accident if the force of the impact ex-
ceeds a preset threshold.
The vehicle locks automatically when
the ignition is switched on and the
wheels are turning at vehicle speeds of
approximately 9 mph (15 km/h) or
more. You could therefore lock yourself
out when the vehicle
is pushed
is on a test stand
195 Controls in detail
Retractable hardtop
Retractable hardtop
Opening and closing the retractable hardtop
For safety reasons, the retractable hardtop
can only be opened and closed when the
vehicle is standing still.Warning!
G
Before operating the switch for the retract-
able hardtop, make sure there is no danger
of anyone being injured by the moving parts
(retractable roof, roof frame, and trunk lid)
due to inattention.
Hands must never be placed near the roof
frame, upper windshield area, hardtop, shelf
behind roll bars, or trunk lid while the re-
tractable hardtop is being raised or lowered.
Serious personal injury may occur.
If potential danger exists, release the re-
tractable hardtop switch. This immediately
interrupts the raising or lowering procedure.
You then can operate the hardtop switch to
raise or lower the hardtop away from the
danger zone.
Warning!
G
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. Unsu-
pervised use of vehicle equipment can
cause an accident and/or serious personal
injury.!Never sit or place heavy objects on the
rear shelf. Doing so could cause dam-
age to the retractable hardtop and the
rear shelf.
!When opening and closing the retract-
able roof, make sure
there is sufficient clearance for the
hardtop to move up and the trunk
lid to move back
the luggage cover is extended and
closed
the trunk lid is closed
no roof luggage carrier is installed
the outside temperature is above
+5°F (–15°C)
Otherwise the roof and trunk of the ve-
hicle could be damaged.