ContentsSafety and Security........................... 57
Occupant safety................................... 58
Airbags ........................................... 59
Seat belts ....................................... 64
Children in the vehicle .................... 68
Blocking of rear side
window operation ........................... 74
Panic alarm .......................................... 75
Activating ....................................... 75
Deactivating ................................... 75
Driving safety systems ......................... 76
ABS ................................................ 76
BAS ................................................ 77
ESP ................................................. 78
Anti-theft systems................................ 81
Immobilizer..................................... 81
Anti-theft alarm system .................. 82
Tow-away alarm ............................. 83
Controls in detail............................... 85
Locking and unlocking ......................... 86
SmartKeys...................................... 86
SmartKey with KEYLESS-GO* ........ 89
Opening the doors
from the inside ............................... 95
Opening the trunk .......................... 96
Closing the trunk............................ 97
Trunk lid
opening/closing system* .............. 98
Trunk lid emergency release ........ 103
Separately locking the trunk ........ 104
Separately unlocking the trunk .... 105
Automatic central locking ............ 105
Locking and unlocking
from the inside ............................. 106
Seats ................................................. 107
Easy-entry/exit feature ................ 107
Removing and installing
front seat head restraints............. 108
Rear seats head restraints ........... 109
Multicontour seat* ....................... 112
Seat ventilation* .......................... 113
Seat heating* ............................... 114Memory function ............................... 116
Storing positions into memory ..... 117
Recalling positions from memory . 117
Storing exterior rear view
mirror parking position ................ 118
Lighting ............................................. 119
Exterior lamp switch .................... 119
Combination switch ..................... 123
Hazard warning flasher ................ 123
Interior lighting ............................ 124
Door entry lamps ......................... 125
Instrument cluster ............................. 126
Instrument cluster illumination .... 126
Coolant temperature indicator ..... 127
Trip odometer .............................. 127
Tachometer .................................. 128
Outside temperature indicator ..... 128
28 At a glanceDoor control panel
Door control panel
Item
Page
1
Door handle
95
2
Seat adjustment
35,
107
3
Memory function (for stor-
ing seat, exterior mirror
and steering wheel set-
tings)
116
4
Switches for opening/clos-
ing front door windows
212
5
Rear window override
switch
74
6
Switches for opening/clos-
ing rear windows
212
7
Remote trunk lid release
switch
Trunk lid opening/closing
system switch*
97
98
72 Safety and SecurityOccupant safety
Installation of infant and child restraint
systems
1Anchorage ring
2Hook
Anchorage rings1 are located on the rear
side of outer rear backrests.
Prior to installing a tether strap, note the
following steps:
Open the trunk and release the back-
rest.
Fold backrest forward.
Guide top tether strap between head
restraint and top of seat back.
Head restraint must be installed and
positioned such that the top tether
strap can pass freely between the head
restraint and the top of seat back.
Make sure the tether strap is not twist-
ed.
Fold backrest back until it locks in
place.
Warning!
G
Do not place powered-on laptops, cell
phones and like electronic devices on the
front passenger seat. Signals from such de-
vices may interfere with the BabySmart
TM1
system. Such signal interference may cause
the PASS. AIRBAG OFF indicator lamp not to
come on during self-test or be continuously
lit, indicating that the system is not
functioning.
1BabySmart
TM is a trademark of Siemens
Automotive Corp.
Warning!
G
Always lock backrest in its upright position
when rear seat bench is occupied by pas-
sengers, or the extended cargo area is not in
use. Check for secure locking by pushing
and pulling on the backrest.
89 Controls in detail
Locking and unlocking
The trunk can also be opened from its in-
side in an emergency, see “Trunk lid emer-
gency release” (
page 103).Loss of SmartKey or mechanical key
If you lose a SmartKey or mechanical key,
you should do the following:
Have the SmartKey deactivated by an
authorized Mercedes-Benz Center.
Report the loss of the SmartKey or the
mechanical key immediately to your
car insurance company.
If necessary, have the mechanical lock
replaced.
Your authorized Mercedes-Benz Center
will be glad to supply you with a replace-
ment.
SmartKey with KEYLESS-GO*
Specially equipped vehicles come with two
SmartKeys with KEYLESS-GO, each with
remote control and a removable mechani-
cal key. The locking tabs for the mechani-
cal key portion of the two SmartKeys are a
different color to help distinguish each
SmartKey unit.
The KEYLESS-GO function is integrated
into the SmartKey. On these vehicles, the
validity of the SmartKey with KEYLESS-GO
is checked every time you pull a door
handle.
If the SmartKey with KEYLESS-GO* is valid,
your vehicle unlocks
the doors
the trunk lid
iIf the trunk lid does not open, it is still
locked separately (if applicable)
(page 104).
If the vehicle was previously centrally
locked, the trunk lid will lock automati-
cally when closed (
page 97). The
turn signals will flash three times to
confirm locking.
!To prevent possible malfunction, avoid
exposing the SmartKey with
KEYLESS-GO to high levels of electro-
magnetic radiation.
94 Controls in detailLocking and unlockingUnlocking and opening the trunk lid
A minimum height clearance of 5.71 ft
(1.74 m) is required to open the trunk lid.
The handle is located in the rear license
plate recess.
1Handle
Pull on handle1.
The trunk opens.
or
Press and hold button Š until the
trunk unlocks and begins to open.The trunk can also be opened from its in-
side in an emergency, see “Trunk lid emer-
gency release” (
page 103).Closing the side windows and
sliding/pop-up roof*
Press and hold lock button at door
(page 55) until the side windows and
the sliding/pop-up roof* are closed.
!The trunk lid swings open upwards au-
tomatically. Always make sure there is
sufficient overhead clearance.
Vehicles with trunk lid opening/closing
system*: To stop the opening proce-
dure, press buttonŠ. The Trunk lid
stops moving.iIf the trunk lid does not open, it is still
locked separately (if applicable)
(page 104)
If the vehicle was previously centrally
locked, the trunk lid will lock automati-
cally when closed (
page 97). The
turn signals will flash three times to
confirm locking.
Warning!
G
When closing the windows and the
sliding/pop-up roof*, make sure there is no
danger of anyone being harmed by the clos-
ing procedure.
If potential danger exists, proceed as fol-
lows:
Release the lock button.
Pull on the door handle and hold firmly.
The side windows and the
sliding/pop-up roof* will open for about
two seconds if the door handle is held
but the door not opened.
96 Controls in detailLocking and unlocking
Opening the trunk
Opening the trunk from outside
(vehicles without KEYLESS-GO*)
A minimum height clearance of 5.71 ft
(1.74 m) is required to open the trunk lid.
The handle is located in the rear license
plate recess.
1Handle
Pull on handle1.
The trunk opensThe trunk can also be opened using the
SmartKey (
page 88) or from its inside in
an emergency, see “Trunk lid emergency
release” (
page 103).
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.
!The trunk lid swings open upwards au-
tomatically. Always make sure there is
sufficient overhead clearance.iIf the trunk lid does not open, it is still
locked separately (if applicable)
(page 105).
The vehicle must be unlocked.
97 Controls in detail
Locking and unlocking
Opening the trunk from the inside
You can open the trunk from the inside if
the vehicle is stationary.
A minimum height clearance of 5.71 ft
(1.74 m) is required to open the trunk lid.
The switch is located on the driver’s door.
1Remote trunk lid switch with indicator
lamp
Press remote trunk lid switch1.
The trunk lid opens. The indicator lamp
in the switch remains lit as long as the
trunk is open.The trunk can also be opened using the
SmartKey (
page 88) or from its inside in
an emergency, see “Trunk lid emergency
release” (
page 103).
Closing the trunk
1Handle
Lower trunk lid by pulling firmly on
handle1.
Close trunk lid with hands placed flat
on it.
!The trunk lid swings open upwards au-
tomatically. Always make sure there is
sufficient overhead clearance.iIf the trunk lid does not open, it is still
locked separately (if applicable)
(page 104)
If the vehicle was previously centrally
locked, the trunk lid will lock automati-
cally when closed (
page 97). The
turn signals will flash three times to
confirm locking.
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the trunk
lid opening when closing the trunk. Be espe-
cially careful when small children are
around.
99 Controls in detail
Locking and unlocking
The trunk can also be opened using the
SmartKey (
page 88) or from its inside in
an emergency, see “Trunk lid emergency
release” (
page 103).
Limiting opening height of trunk lid
The trunk lid opening height can be limited
when transporting goods on a roof rack
(e.g. presence of an MB sport luggage con-
tainer). When activated, the trunk lid opens
to approximately the height of the roof
edge.
With the trunk lid closed, press the re-
mote trunk lid closing switch2
(page 99) and hold for at least five
seconds.
Depending on its previous status, the
opening height limitation is then
switched on or off.
You can activate or deactivate the opening
height limitation with the control system,
see “Setting trunk lid opening limiter (vehi-
cles with trunk lid opening/closing sys-
tem*)” (page 149).Closing the trunk from the inside
Press the remote trunk lid closing
switch2 (
page 98) until the indica-
tor lamp in the switch goes out and the
trunk lid is closed.
To interrupt the closing procedure:
Release remote trunk lid closing
switch2.
If the trunk lid comes into contact with an
object while closing (e.g. luggage that has
been piled too high), the closing procedure
is stopped and the trunk reopens slightly.Warning!
G
Only drive with the trunk closed. Among oth-
er dangers, such as your view being blocked,
exhaust fumes may enter the vehicle
interior.
Warning!
G
Maintain sight of trunk area while operating
the door mounted switch. Monitor the clos-
ing procedure carefully to ensure that no
one is in danger of being injured.
To interrupt the closing procedure, release
the door mounted remote trunk lid closing
switch.
When leaving the vehicle, always remove the
SmartKey from the starter switch, take the
SmartKey with you and lock your vehicle. Do
not leave children unattended in the vehicle,
or with access to an unlocked vehicle. Unsu-
pervised use of vehicle equipment may
cause an accident and/or serious personal
injury.