ContentsDriving safety systems ......................... 80
ABS ................................................ 80
BAS ................................................ 81
ESP ................................................. 82
Anti-theft systems................................ 85
Immobilizer..................................... 85
Anti-theft alarm system .................. 85
Tow-away alarm ............................. 87Controls in detail............................... 89
Locking and unlocking ......................... 90
SmartKey ....................................... 90
SmartKey with KEYLESS-GO*......... 94
Opening the doors
from the inside ............................. 100
Opening the trunk ........................ 101
Closing the trunk .......................... 103
Trunk lid emergency release ........ 109
Power closing assist
for doors and trunk lid .................. 110
Automatic central locking ............ 110
Locking and unlocking
from the inside ............................. 111Seats ................................................. 112
Easy-entry/exit feature ................ 112
Removing and installing
front seat head restraints............. 114
Rear seat head restraints ............. 115
Lumbar support............................ 117
Multicontour backrest* ................ 117
Seat heating ................................. 119
Seat ventilation* .......................... 121
Memory function ............................... 122
Storing positions into memory ..... 123
Recalling positions from memory . 123
Storing exterior rear view
mirror parking position................. 124
Lighting.............................................. 125
Exterior lamp switch..................... 125
Combination switch ..................... 129
Hazard warning flasher ................ 130
Interior lighting............................. 131
Courtesy lighting .......................... 133
Door entry lamps ......................... 133
Trunk lighting ............................... 133Instrument cluster ............................. 134
Instrument cluster illumination .... 134
Coolant temperature gauge ......... 135
Trip odometer .............................. 135
Tachometer .................................. 136
Outside temperature indicator ..... 136
Clock............................................ 136
Control system .................................. 137
Multifunction display.................... 137
Multifunction steering wheel........ 138
Menus .......................................... 140
Standard display menu ................ 142
AUDIO menu ................................ 142
CD changer operating mode ........ 145
TEL menu* ................................... 147
NAVI menu ................................... 149
Distronic* menu .......................... 150
Trip computer menu..................... 151
Vehicle status message
memory menu .............................. 153
Settings menu .............................. 154
85 Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
With the SmartKey
Remove the SmartKey from the starter
switch.
The immobilizer is activated.
With KEYLESS-GO*
Turn off the engine by means of the
start/stop button (
page 35) on the
gear selector lever.
Open the driver’s door.
The immobilizer is activated.Deactivating
With the SmartKey
Insert the SmartKey in the starter
switch.
The immobilizer is deactivated.
With KEYLESS-GO*
Start the engine by means of the
start/stop button (
page 35) on the
gear selector lever.
The immobilizer is deactivated.
Anti-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 will stay on even if the activating
element (a door, for example) is immedi-
ately closed.
The alarm system will also be triggered
when
someone attempts to raise the vehicle
the vehicle is opened with the
mechanical key
someone opens a door from the inside
if the vehicle was locked from the out-
side with the SmartKey
someone opens the trunk lid with the
emergency release button
iIn case the engine cannot be started
(yet the vehicle’s battery is charged),
the system is not operational. Contact
an authorized Mercedes-Benz Center
or call
1-800-FOR-MERCedes (in the USA), or
1-800-387-0100 (in Canada).
101 Controls in detail
Locking and unlocking
Opening the trunk
Opening the trunk from the outside
A minimum height clearance of 6.3 ft
(1.90 m) is required to open the trunk lid.
The trunk lid lock button is located in the
rear license plate recess.
1Trunk lid lock
In vehicles without KEYLESS-GO*: The ve-
hicle must be unlocked.
Press trunk lid lock1.
The trunk lid opens.
iIf the vehicle has previously been
locked from the outside with the
SmartKey or KEYLESS-GO*, opening a
door from the inside will trigger the an-
ti-theft alarm system.
To cancel the alarm, do one of the fol-
lowing:
Insert the SmartKey in the starter
switch.
Press button Œ or ‹ on the
SmartKey.
In vehicles with KEYLESS-GO*:
Grasp the outside door handle.
The SmartKey with KEYLESS-GO
must be within 3 ft. (1 m) of the ve-
hicle.
Press the KEYLESS-GO* start/stop
button (
page 35).
The SmartKey with KEYLESS-GO
must be inside the vehicle.
!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 on the
SmartKey or SmartKey with
KEYLESS-GO*. iThe trunk can also be opened using
buttonŠ on the SmartKey or
SmartKey with KEYLESS-GO* or from
its inside in an emergency, see “Trunk
lid emergency release” (
page 109).
102 Controls in detailLocking and unlockingOpening the trunk 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 switch
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.Limiting opening height of trunk lid*
Vehicles with trunk lid opening/closing
system*:
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.
Activate the limiting opening height of
trunk lid using the control system
(page 163).
!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 or pull remote trunk lid
switch2. iThe trunk can also be opened using
buttonŠ on the SmartKey or
SmartKey with KEYLESS-GO* or from
its inside in an emergency, see “Trunk
lid emergency release” (
page 109).
103 Controls in detail
Locking and unlocking
Closing the trunk
Closing the trunk from the inside auto-
matically*
In vehicles with trunk lid opening/closing
system* you can close the trunk from the
inside using the remote trunk lid switch.
Press remote trunk lid switch
(page 102) until the indicator lamp in
the switch goes out and trunk lid is
closed.
To interrupt the closing procedure:
Release remote trunk lid switch.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.iYou can also close the trunk by hand
(page 104).
Warning!
G
Maintain sight of trunk area while operating
door mounted switch. Monitor the closing
procedure carefully to make sure 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 or the SmartKey
with KEYLESS-GO* removed from the start-
er 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.
Warning!
G
Only drive with the trunk closed as, among
other dangers such as visibility blockage,
exhaust fumes may enter the vehicle interi-
or.
109 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 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 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:
Insert the SmartKey in the starter
switch.
Press button Œ or ‹ on the
SmartKey.
In vehicles with KEYLESS-GO*:
Grasp the outside door handle.
The SmartKey with KEYLESS-GO
must be within 3 ft. (1 m) of the ve-
hicle.
Press the KEYLESS-GO* start/stop
button (
page 35).
The SmartKey with KEYLESS-GO
must be inside the vehicle.
233 Controls in detail
Useful features
Storage compartments Glove box
1Unlocked
2Locked
3Glove box lid release
Locking the glove box
Insert the mechanical key
(page 367) into the glove box lock.
Turn the mechanical key to
position2.Unlocking the glove box
Insert the mechanical key 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.
369 Practical hints
Unlocking/locking in an emergency
Fuel filler flap
In case the central locking system does
not release the fuel filler flap, you can open
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.