Page 4 of 416

ContentsSafety and Security...........................  61
Occupant safety...................................  62
Airbags ...........................................  63
Seat belts .......................................  68
Children in the vehicle....................  72
Blocking rear door window 
operation ........................................  78
Panic alarm ..........................................  79
Driving and safety systems ..................  80
ABS ................................................  80
BAS ................................................  82
4-ETS ..............................................  83
EBB.................................................  84
ESP.................................................  84
Anti-theft systems................................  88
Immobilizer.....................................  88
Anti-theft alarm ..............................  88
Tow-away alarm .............................  89
Controls in detail...............................  91
Locking and unlocking .........................  92
SmartKey .......................................  92
Opening the doors from the inside .  96
Opening the tailgate .......................  97
Closing the tailgate ........................  98
Automatic central locking ..............  98
Locking and unlocking from 
the inside .......................................  99
Seats .................................................  100
Easy-entry/exit feature ................  100
Removing and installing front 
seat head restraints .....................  101
Synchronizing head restraints 
and seat adjustment fore and 
aft for front seats .........................  102
Rear seat head restraints .............  102
Multicontour seat* .......................  104
Heated seats ................................  104
Memory function ...............................  107
Storing positions into memory .....  108
Recalling positions from memory .  108
Storing exterior rear view 
mirror parking position.................  109Lighting .............................................  110
Exterior lamp switch ....................  110
Combination switch .....................  114
Hazard warning flasher ................  115
Interior lighting ............................  116
Rear interior lamps ......................  117
Cargo compartment lamps ..........  118
Instrument cluster .............................  120
Instrument cluster illumination ....  120
Coolant temperature display........  120
Trip odometer ..............................  121
Tachometer..................................  121
Outside temperature indicator .....  122
Control system ..................................  123
Multifunction display....................  123
Multifunction steering wheel........  124
Menus ..........................................  126
Standard display menu ................  128
AUDIO menu ................................  128
NAVI menu ...................................  130
Vehicle status message 
memory menu ..............................  131
Settings menu..............................  132
Trip computer menu.....................  144
TEL menu .....................................  145 
     
        
        Page 28 of 416
28 At a glanceCenter consoleUpper part
Item
Page
1
Left front seat heater 
switch
104
2
Switch for rear window 
wiper/washer
54
3
ESP control switch
86
4
Differential lock switches
158
5
Central locking switch
99
6
Anti-theft alarm system 
indicator lamp
88
Tow-away alarm switch
89
7
Right front seat heater 
switch
104
Item
Page
8
Hazard warning flasher 
switch
115
9
COMAND system, see 
separate operating 
instructions
a
Ashtray with lighter
194,
195
b
Climate control
164
c
7
 indicator lamp
74,
295 
     
        
        Page 34 of 416
34 Getting startedThe “Getting started” section provides an 
overview of the vehicle’s most basic func-
tions. First-time Mercedes-Benz owners 
should pay special attention to the infor-
mation given here.
If you are already familiar with the basic 
functions described here, the “Controls in 
detail” section will help you with further in-
formation. The corresponding page refer-
ences are at the end of each segment.Unlocking
Unlocking with the SmartKeySmartKey with remote control1‹Lock button
2ŒUnlock button
3ÂPanic button (
page 79)
Press unlock button Œ on the 
SmartKey.
All turn signal lamps flash once. The 
locking knobs in the doors move up.
The anti-theft alarm system is dis-
armed.
Get in the vehicle and insert the 
SmartKey in the starter switch.
For more information, see “Locking and 
unlocking” (
page 92). 
     
        
        Page 59 of 416

59 Getting started
Parking and locking
Press the seat belt release button3 
(page 45).
Allow the retractor to completely re-
wind the seat belt by guiding the latch 
plate.
After exiting the vehicle, press the lock 
button‹ on the SmartKey 
(page 34).
With the hood, tailgate and all doors 
closed, all turn signal lamps flash three 
times. The locking knobs on the doors 
move down.
The anti-theft alarm system is armed.For more information, see “Locking and 
unlocking” (
page 92).
iThe SmartKey can only be pulled out 
when: 
it has been turned to position0 in 
the starter switch
the gear selector lever for the auto-
matic transmission is in positionP
iWith the SmartKey removed and the 
driver’s door open, a warning sounds if 
the vehicle’s exterior lamps are not 
switched off.
Warning!
G
To prevent possible personal injury, always 
keep hands and fingers away from the door 
openings when closing the doors. Be espe-
cially careful when small children are 
around.
Before closing doors, make sure there is no 
possibility of someone getting caught in a 
door during closing.
Warning!
G
When leaving the vehicle, always remove the 
SmartKey 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. Unsuper-
vised use of vehicle equipment may cause 
an accident and/or serious personal injury. 
     
        
        Page 61 of 416
61 Safety and Security
Occupant safety
Panic alarm
Driving and safety systems
Anti-theft systems 
     
        
        Page 79 of 416

79 Safety and Security
Panic alarm
Panic alarm
1Âbutton
An audible alarm and blinking turn signal 
lamps will operate for approximately 
2½ minutes.
To activate: Press and hold button1 
for at least one second.
To deactivate: Press button1 again or 
insert SmartKey in starter switch.
iUSA only:
This device 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.
iCanada only:
This device complies with RSS-210 of 
Industry Canada. Operation is subject 
to the following two conditions:
(1) This device may not cause interfer-
ence, and
(2) this device must accept any inter-
ference received, including interfer-
ence that may cause undesired 
operation of the device.
Any unauthorized modification to this 
device could void the user’s authority 
to operate the equipment. 
     
        
        Page 88 of 416

88 Safety and SecurityAnti-theft systemsImmobilizer
The immobilizer prevents unauthorized 
persons from starting your vehicle.
Activating
Removing the SmartKey from the starter 
switch activates the immobilizer.
Deactivating
Inserting the SmartKey in the starter 
switch deactivates the immobilizer.
Anti-theft alarm
Once the alarm system has been armed, a 
visual and audible alarm is triggered when 
someone opens
a door
the tailgate
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 mechan-
ical keyArming the alarm system
The alarm system is armed after locking 
the vehicle with the SmartKey. The turn 
signal lamps blink three times to indicate 
that the alarm system is being armed. 
A red lamp in the tow-away alarm switch 
begins to blink after arming the alarm 
system (
page 28).
iIn case the engine cannot be started 
(yet the vehicle’s battery is charged), 
the system is not operational. Contact 
an authorized Mercedes-Benz Light 
Truck Center or call 
1-800-FOR-MERCedes (in the USA), or 
1-800-387-0100 (in Canada).
iIf the alarm stays on for more than 
20 seconds, an emergency call is initi-
ated automatically by the Tele Aid sys-
tem (
page 198) provided Tele Aid 
service was subscribed to and properly 
activated, and that necessary cellular 
service and GPS coverage are avail-
able. 
     
        
        Page 89 of 416

89 Safety and Security
Anti-theft systems
Disarming the alarm system
The alarm system is disarmed when you 
unlock your vehicle with the SmartKey. The 
turn signal lamps blink once to indicate 
that the alarm system is disarmed.Canceling the alarm
To cancel the alarm:
Press the Œ or ‹ button on the 
SmartKey.
or
Insert the SmartKey in the starter 
switch.
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.
iIf the turn signal lamps do not blink 
three times, one of the following ele-
ments may not be properly closed:
a door 
the tailgate 
the hood 
Close the respective element and lock 
the 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, 
and that necessary cellular service and 
GPS coverage are available.