Page 3 of 376

Contents
Introduction.......................................... 9
Product information ................................ 9
Operator’s Manual ............................... 10 Service and warranty information .. 10
Important notice for California
retail buyers and lessees of
Mercedes-Benz automobiles .......... 11
Maintenance .................................. 12
Roadside Assistance ...................... 12
Change of address or ownership.... 12
Operating your vehicle
outside the USA or Canada ............ 13
Where to find it .................................... 14
Symbols ............................................... 15
Operating safety .................................. 16 Proper use of the vehicle ............... 16
Problems with your vehicle .................. 17
Reporting safety defects...................... 18 Reporting Safety Defects ............... 18At a glance ......................................... 19
Cockpit ................................................ 20
Instrument cluster ............................... 22
Multifunction steering wheel ............... 24 Center console ..................................... 25
Upper part ...................................... 25
Lower part ...................................... 26
Overhead control panel ........................ 27
Door control panel................................ 28
Getting started ................................... 29
Unlocking ............................................. 30 Unlocking with the SmartKey.......... 30
Adjusting .............................................. 32 Seats............................................... 32
Steering wheel ................................ 37
Mirrors ............................................ 39
Driving .................................................. 41 Fastening the seat belt ................... 41
Starting the engine ......................... 44
Switching on headlamps ................. 48
Turn signals .................................... 48
High beam ...................................... 48
Windshield wipers ........................... 49
Problems while driving .................... 50
Parking and locking .............................. 52 Parking brake.................................. 52
Switching off headlamps................. 53
Turning off the engine ..................... 53
Safety and Security ........................... 55
Occupant safety ................................... 56 Airbags ........................................... 57
Seat belts ....................................... 62
Children in the vehicle .................... 65
Panic alarm* ........................................ 72 Activating........................................ 72
Deactivating.................................... 72
Driving safety systems ......................... 73 ABS ................................................. 73
BAS ................................................. 74
ESP ................................................. 75
Anti-theft systems ................................ 78 Immobilizer ..................................... 78
Anti-theft alarm system* ................ 78
Tow-away alarm* ............................ 79Controls in detail ................................ 81
Locking and unlocking ......................... 82 Keys ................................................ 82
Opening the doors from the inside . 85
Opening the trunk lid ...................... 85
Closing the trunk lid ....................... 86
Trunk lid emergency release ........... 86
Page 25 of 376
25
At a glance
Center console
Center console
Upper part
Item
Page
1
Seat heater*, driver‘s side
93
2
ESP control switch
75
3
Hazard warning flasher
switch – switching on/off
102
4
Central locking switch
88
5
Anti-theft alarm system in-
dicator lamp
78
Tow-away alarm switch
79
6
Seat heater*, passenger
side
93
7
PASS. AIRBAG OFF indica-
tor lamp
67
8
Audio system, or
159
COMAND* (see separate
operating instructions)
9
Climate control
150
Page 30 of 376
30 Getting startedUnlockingThe “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 provide you with further
information. The corresponding page refer-
ences are located at the end of each seg-
ment.
Unlocking
Unlocking with the SmartKeySmartKey with remote control 1‹ Lock button
2 Œ Unlock button
3 Â Panic button* (
page 72)
Press unlock button Œ on the
SmartKey.
All turn signal lamps flash once. The
locking knobs in the doors move up.
Get in the vehicle and insert the Smart-
Key in the starter switch.
For more information, see “Locking and
unlocking” (
page 82).
iCanada only:
Only vehicles equipped with an
anti-theft alarm system* have
SmartKeys with integrated panic
button* 3.
Page 55 of 376
55
Safety and Security
Occupant safety
Panic alarm*
Driving safety systems
Anti-theft systems
Page 72 of 376
72 Safety and SecurityPanic alarm*
Panic alarm*An audible alarm and flashing exterior
lamps will operate for approximately
2½ minutes.
1 Â button
Activating
Press and hold button 1 for at least
one second.
Deactivating
Press button 1 again.
Insert SmartKey in starter switch.
iCanada only:
Only vehicles equipped with an
anti-theft alarm system* have
SmartKeys with integrated panic
button 1.
iFor operation in the USA only: This de-
vice 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.
Page 78 of 376

78 Safety and SecurityAnti-theft systems
Anti-theft systemsImmobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
Removing the SmartKey from the start-
er switch activates the immobilizer.
Deactivating
Inserting the SmartKey in the starter
switch deactivates the immobilizer.
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 lid
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 key. Arming the alarm system
The alarm system is armed after locking
the vehicle with the SmartKey. The turn
signal lamps flash three times to indicate
that the alarm system is activated. The in-
dicator lamp in the switch for the tow-away
alarm will flash after approximately
ten seconds when the alarm system is
completely armed (
page 80).
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-MER-Cedes (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* 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 one of the following ele-
ments may not be properly closed:
a door
the trunk lid
the hood
Close the respective element and lock
the vehicle again.
Page 79 of 376

79
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 flash once to indicate
that the alarm system is deactivated.
Canceling the alarm
To cancel the alarm:
Insert the SmartKey in the starter
switch.
or
Press the Œ or ‹ button on the
SmartKey.
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. Arming tow-away alarm
When you lock your vehicle, the tow-away
alarm is automatically armed after about
30 seconds.
When you unlock your vehicle, the
tow-away protection disarms
automatically.
iThe alarm system will rearm automati-
cally after approximately 40 seconds if
a door or the trunk lid is not opened.
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.
Page 80 of 376
80 Safety and SecurityAnti-theft systemsDisarming tow-away alarm
To prevent triggering the tow-away alarm
feature, switch off the tow-away alarm be-
fore towing the vehicle, or when parking on
a surface subject to movement, such as a
ferry or auto train.1 Tow-away alarm off switch
2 Indicator lamp
The switch is located on the center con-
sole.
Turn off the ignition and remove the
SmartKey.
Press upper half 1 of the switch.
Indicator lamp 2 in the switch comes
on briefly.
Lock your vehicle with the SmartKey.
The tow-away alarm remains disarmed un-
til you lock your vehicle again.iYou cannot disarm the tow-away alarm
while the ignition is turned on.