ContentsSafety and Security........................... 59
Occupant safety................................... 60
Airbags ........................................... 61
Seat belts ....................................... 66
Children in the vehicle.................... 69
Blocking of rear window operation . 75
Panic alarm .......................................... 76
Activating ....................................... 76
Deactivating ................................... 76
Driving safety systems ......................... 77
ABS ................................................ 77
BAS ................................................ 78
ESP................................................. 79
Anti-theft systems................................ 82
Immobilizer..................................... 82
Anti-theft alarm system .................. 82
Tow-away alarm ............................. 84
Controls in detail............................... 87
Locking and unlocking ......................... 88
SmartKey ....................................... 88
SmartKey with KEYLESS-GO* ........ 91
Opening the doors from the inside . 96
Opening the trunk lid from the
outside ........................................... 96
Opening the trunk lid from the
inside ............................................. 97
Closing the trunk lid ....................... 98
Trunk lid opening / closing system* 98
Trunk lid emergency release ........ 103
Separately locking the trunk lid ... 104
Separately unlocking the trunk lid 104
Power closing assist for doors and
trunk lid........................................ 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 ............................. 108Rear seat head restraints ............. 109
Lumbar support ........................... 111
Multicontour backrest*................ 111
Seat heating................................. 113
Seat ventilation* .......................... 115
Memory function ............................... 116
Storing positions into memory ..... 117
Recalling positions from memory. 117
Storing exterior rear view mirror
parking position ........................... 117
Lighting ............................................. 119
Exterior lamp switch .................... 119
Combination switch ..................... 123
Hazard warning flasher ................ 123
Interior lighting ............................ 124
Courtesy lighting .......................... 125
Instrument cluster ............................. 126
Instrument cluster illumination .... 126
Coolant temperature gauge ......... 127
Trip odometer .............................. 127
Tachometer.................................. 128
Outside temperature indicator ..... 128
28 At a glanceDoor control panel
Door control panel
Item
Page
1
Door handle
96
2
Memory function (for stor-
ing seat, exterior mirror
and steering wheel set-
tings)
116
3
Seat heating
113
Seat ventilation*
115
4
Seat adjustment
34
5
Exterior mirror adjustment
40,
167
6
Switches for opening /
closing front door windows
186
Item
Page
7
Rear window
override switch
75
8
Switches for opening /
closing rear windows
186
9
Remote trunk lid release
switch
97
Trunk lid opening / closing
system* switch
98
90 Controls in detailLocking and unlockingRestoring to factory setting
Press and hold buttonsŒ and‹
simultaneously for about six seconds
until battery check lamp5 flashes
twice.
Unlocking and opening the trunk lid
You can unlock and open the trunk lid sep-
arately.
A minimum height clearance of 6.3 ft
(1.90 m) is required to open the trunk lid.
Press and hold buttonŠ until 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).
!If you can no longer lock or unlock the
vehicle with the SmartKey, then the
batteries in the SmartKey are dis-
charged, the SmartKey is malfunction-
ing or the vehicle battery is drained.
Check the batteries in the
SmartKey and replace them if nec-
essary (
page 332).
Use the mechanical key to unlock
the doors (
page 331) and the
trunk lid (
page 332) as required.
Have the vehicle battery and the
battery connections checked.
Use the mechanical key to lock the
doors (
page 331) and the trunk
lid (
page 332) as required.
If the SmartKey is malfunctioning, con-
tact an authorized Mercedes-Benz Cen-
ter.
!The trunk lid swings open upwards au-
tomatically. Always make sure that
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 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 98). The
turn signals will flash three times to
confirm locking.
97 Controls in detail
Locking and unlocking
The trunk can also be opened using the
SmartKey (
page 90) or from its inside in
an emergency, see “Trunk lid emergency
release” (
page 103).
Opening the trunk lid from the inside
You can open the trunk from the inside if
the vehicle is stationary.
A minimum height clearance of 6.3 ft
(1.90 m) is required to open the trunk lid.
The switch is located on the driver’s door.
1Indicator lamp
2Remote trunk lid release switch
Pull remote trunk lid release switch2
until trunk begins to open.
The trunk lid opens. The indicator
lamp1 comes on and remains lit until
the trunk is closed.The trunk can also be opened using the
SmartKey (
page 90) or from its inside in
an emergency, see “Trunk lid emergency
release” (
page 103). 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).
Vehicles without KEYLESS-GO*: The
vehicle must be unlocked (
page 88).
Vehicles with KEYLESS-GO*: If the ve-
hicle was previously centrally locked,
the trunk lid will lock automatically af-
ter closing it (
page 98). The turn sig-
nal will flash three times to confirm
locking.
!The trunk lid swings open upwards au-
tomatically. Always make sure that
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 98). The
turn signal will flash three times to con-
firm locking.
99 Controls in detail
Locking and unlocking
Pull remote trunk lid switch2 until
trunk begins to open.
The trunk lid opens. The indicator
lamp1 comes on and remains lit until
the trunk is closed.The trunk can also be opened using the
SmartKey (
page 90) 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.
You can activate the limiting opening
height of trunk lid using the control system
(
page 153).
Closing from the inside
Press remote trunk lid switch2
(page 98) until the indicator lamp1
goes out and trunk lid is closed.
To interrupt the closing procedure:
Release remote trunk lid switch2.If the trunk lid comes into contact with an
object while closing (e.g. luggage that has
been piled too high) in the upper motion
sequence, the closing procedure is
stopped and the trunk reopens slightly.
!The trunk lid swings open upwards au-
tomatically. Always make sure that
there is sufficient overhead clearance.
To stop the opening procedure, press
or pull the remote trunk lid switch.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 98). The
turn signal will flash three times to con-
firm locking.
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 switch.
Even with the SmartKey removed from the
starter switch or the SmartKey with
KEYLESS-GO* removed from the vehicle,
the remote trunk lid switch can be operated.
Therefore, do not leave children unattended
in the vehicle, or with access to an unlocked
vehicle. Unsupervised use of vehicle equip-
ment may cause an accident and/or serious
personal injury.
103 Controls in detail
Locking and unlocking
Trunk lid emergency release
The emergency release button is located
on the inside of the trunk lid.
1Emergency release button
Briefly press emergency release
button1.
The trunk unlocks and the trunk lid
opens.Illumination of the emergency release but-
ton:
The button will flash for 30 minutes af-
ter opening the trunk.
The button will flash for 60 minutes af-
ter closing the trunk.iThe emergency release button unlocks
and opens the trunk while the vehicle is
standing or driving.
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, do one of the fol-
lowing:
With the SmartKey
Insert the SmartKey in the starter
switch.
Press button Œ or ‹ button
on the SmartKey.
With KEYLESS-GO*
Grasp the outside door handle.
Press the KEYLESS-GO* start/stop
button.
221 Controls in detail
Useful features
Useful features
Storage compartments Glove box
1Unlocked
2Locked
3Glove box lid release
Locking the glove box
Insert the mechanical key
(page 331) into the glove box lock.
Turn the mechanical key to
position2.Unlocking the glove box
Insert the mechanical key
(page 331) into the glove box lock.
Turn the mechanical key to
position1.
Opening the glove box
Press button3.
The glove box lid opens downward.
Closing the glove box
Push lid up to close.
Warning!
G
To help avoid personal injury during a colli-
sion or sudden maneuver, exercise care
when stowing objects in the vehicle. Put lug-
gage or cargo in the trunk if possible. Do not
pile luggage or cargo higher than the seat
backs.
Luggage nets cannot secure hard or heavy
objects.
Keep compartment lids closed. This will help
to prevent stored objects from being thrown
about and injuring vehicle occupants during
an accident.
334 Practical hintsUnlocking/locking in an emergencySmartKey with KEYLESS-GO*
1Battery
2Tilt battery up
3Mechanical keyReplacement battery: Lithium, type
CR 2025 or equivalent.
Remove mechanical key (
page 331).
Insert the mechanical key in side open-
ing and push gray slide.
The battery compartment is unlatched.
Pull the battery compartment out of the
SmartKey housing.
Using mechanical key3, apply pres-
sure to position2.
Battery1 tilts up slightly.
Pull out battery1 in direction of ar-
row.
Using a lint-free cloth, insert new bat-
tery with the plus (+) side facing up.
Return battery compartment into hous-
ing until it locks into place.
Fuel filler flap
In case the central locking system does
not release the fuel filler flap, you can it
manually.
1Release knob
Open the trunk.
Remove the battery cover and the trim
inside the trunk on the right-hand side.
Pull release knob 1 in the direction of
arrow.
The fuel filler flap can be opened.
iThe required replacement battery is
available at any authorized
Mercedes-Benz Center.