
1, 2, 3 ...
12 V socket ........................................ 431
4ETS see ETS/4ETS
4MATIC (permanent four-wheel
drive) .................................................. 339
A
ABC see Active Body Control
ABC (Active Body Control)
Display message ............................ 403
ABS (Anti-lock Braking System)
Display message ............................ 388
Function/notes ................................ 67
Warning lamp ................................. 415
Active Blind Spot Assist
Activating/deactivating (on-
board computer) ............................ 376
Display message ............................ 404
Function/information ....................356
Active Body Control (ABC) ................ 338
Active Driving Assistance package . 355
Active Lane Keeping Assist Activating/deactivating (on-
board computer) ............................ 376
Display message ............................ 404
Function/information ....................359
Active light function (display
message) ............................................ 397
Active multicontour seat .......... 106, 268
Active partition (USB devices only) Selecting ........................................ 234
Active service system
see Service interval display
ADAPTIVE BRAKE ................................. 71
Adaptive brake lamps ......................... 69
Adaptive Damping System (ADS) ..... 337
Adaptive Highbeam Assist Display message ............................ 397
Switching on/off ........................... 275
Switching on/off (on-board
computer) ...................................... 377
Additional speedometer ................... 377
Address book
Calling up ....................................... 201
Connecting a call ........................... 204
Creating an entry ........................... 203
Deleting an entry ........................... 204
Importing contacts ........................200
Introduction ................................... 200
Starting route guidance .................204
Voice tag ....................................... 205
Address book entry
Adopting as a home address .........175
Address entry menu .......................... 151
Air bags Display message ............................ 386
Front air bag (driver, front
passenger) ....................................... 46
Important safety notes ....................44
Safety guidelines ............................. 43
Side impact air bag ..........................46
Window curtain air bag ....................47
Air-conditioning system
see Climate control
Air dehumidification
Activating/deactivating with
cooling ........................................... 289
Air distribution
Setting ........................................... 291
Setting (COMAND) .........................262
Airflow
Setting ........................................... 292
AIRMATIC ........................................... 336
AIRMATIC (display message) ............ 402
Air nozzles see Air vents .................................. 295
Air pressure
see Tire pressure
Air-recirculation mode
Activating/deactivating .................293
Air vents ............................................. 295
Glove box ....................................... 295
Important safety information .........294
Rear ............................................... 295
Setting the center air vents ...........295
Setting the side air vents ...............295
Alarm system
see ATA 4Index

F
Favorites (COMAND) ......................... 118
First-aid kit ......................................... 462
First list entry Accepting ...................................... 129
Flat tire
Changing a wheel/mounting the
spare wheel ................................... 463
MOExtended run-flat system .........467
Preparing the vehicle .....................463
Raising the vehicle .........................464
Floormat ............................................. 442
Freeway information ......................... 185
Frequency input Manual ........................................... 209
Front fog lamp (display message) ... 395
Front multicontour seat
(COMAND) .......................................... 266
Front-passenger seat Adjusting from the driver's seat ..... 103
Adjusting from the rear
compartment ................................. 103
Fuel
Additives ........................................ 513
Notes ............................................. 512
Premium-grade unleaded gasoline . 512
Refueling ........................................ 313
Specifications ................................ 512
Tank content/reserve fuel .............511
Troubleshooting ............................. 316
Fuel consumption
Current (on-board computer) .........368
Notes ............................................. 319
Fuel filler cap (display message) ..... 400
Fuel filler flap Opening/closing ....... 314
Fuel level Calling up the range (on-board
computer) ...................................... 368
Fuel tank
Filling capacity ............................... 511
Function buttons (COMAND) ............ 117
Function restrictions Video DVD mode ........................... 237
Fuse allocation chart (vehicle tool
kit) ...................................................... 462Fuses
Dashboard fuse box .......................476
Engine emergency stop .................477
Fuse allocation chart .....................475
Fuse box in the engine
compartment ................................. 476
Fuse box in the rear compartment . 476
Notes ............................................. 475
G
Garage door opener Clearing the memory .....................442
Notes ............................................. 439
Opening/closing the garage door ..441
Programming the remote control ...440
Gear indicator (on-board
computer) .......................................... 371
Gear or selector lever (cleaning
guidelines) ......................................... 458
Genuine Mercedes-Benz parts ......... 508
Genuine wood trim and trim strips
(cleaning instructions) ...................... 458
Glove box ........................................... 422
Gracenote Media Database .............. 222
H
Hands-free microphone Switching on/off ........................... 198
harman/kardon ®
Logic 7 ®
Surround Sound system ................... 134
Hazard warning lamps ...................... 276
HD Radio™ ......................................... 212
Headlamp cleaning system .............. 276
Adding washer fluid .......................450
Notes ............................................. 515
Headlamp mode (daytime driving)
see Daytime running lamps
Headlamps
Cleaning ......................................... 456
Misting up ...................................... 277
Head restraint
NECK-PRO ..................................... 104
NECK-PRO luxury ........................... 104
Index11

Seat beltsAdjusting the driver's and front-
passenger seat belt .........................58
Adjusting the height ......................... 58
Automatic comfort-fit feature ..........60
Belt force limiters ............................ 59
Cleaning ......................................... 459
Correct usage .................................. 56
Emergency Tensioning Devices ........ 59
Fastening ......................................... 57
Important safety guidelines .............55
Releasing ......................................... 58
Safety guidelines ............................. 43
Special seat belt retractor ...............62
Switching belt adjustment on/off
(on-board computer) ......................378
Warning lamp ................................. 414
Warning lamp (function) ................... 58
Seat heating
Indicator lamp (Malfunction) ..........107
Seats
Adjusting (electrically) ...................102
Adjusting lumbar support ..............106
Adjusting the head restraint ..........104
Cleaning the cover .........................458
Correct driver's seat position ........100
Important safety notes ..................101
Multicontour seat .......................... 106
Storing settings (memory
function) ........................................ 111
Switching seat heating on/off .......106
Switching the seat ventilation on/
off .................................................. 107
Seat ventilation
Indicator lamp (Malfunction) ..........107
Sensors (cleaning instructions) ....... 456
Service indicator see Service interval display
Service interval display .................... 451
Displaying a service message (on-
board computer) ............................ 452
Service menu (on-board computer) . 377
Service products Brake fluid ..................................... 514
Capacities ...................................... 511
Coolant (engine) ............................ 515
Engine oil ....................................... 513
Fuel ................................................ 512Important safety notes ..................510
Notes ............................................. 510
Refrigerant (air-conditioning
system) .......................................... 514
Washer fluid ................................... 515
Settings
On-board computer .......................377
Setting the air distribution
COMAND ....................................... 263
Shift ranges ....................................... 311
Showing the distance display (on-
board computer) ............................... 375
Side impact air bag ............................. 46
Side marker lamp (display
message) ............................................ 396
Side windows Convenience closing feature ............91
Convenience opening feature ..........90
Important safety information ...........89
Opening/closing .............................. 90
Resetting ......................................... 92
Troubleshooting ............................... 92
Skipping back
CD/DVD mode .............................. 222
Skipping forwards
CD/DVD mode .............................. 222
Sliding sunroof
Important safety information ...........93
Opening/closing .............................. 94
Resetting ......................................... 94
Troubleshooting ............................... 97
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery .......................80
Changing the programming .............79
Checking the battery .......................80
Convenience closing feature ............91
Convenience opening feature ..........90
Display message ............................ 411
Important safety notes ....................76
Malfunction ...................................... 81
Starting the engine ........................301
Snow chains ...................................... 482
Socket ................................................ 431
Dashboard ..................................... 432
Rear compartment .........................432
Trunk ............................................. 43218Index

Door control panel
Front
FunctionPage:Opens the door83;&% Locks/unlocks
the vehicle from the inside
83
=Adjusts the seat electrically102?r 45=
Memory function
111
w Adjusts the front-
passenger seat from the
driver’s seat
103
Ac Seat heating106s Seat ventilation107B7Zª\
Adjusts and folds the
exterior mirrors in/out
electrically
109
FunctionPageCW Opens/closes the
side windows
89
t Opens/closes the
roller sunblinds in the rear
side windows
90
Do Unlocks the trunk lid86p Vehicles with trunk lid
remote closing feature:
opens/closes the trunk lid
86
En Override feature for
the controls in the rear
compartment
65
Door control panel37At a glance

keep both feet on the floor in front of the
seat.
R Improper repair work on the SRS creates a
risk of rendering the SRS inoperative or
causing unintended air bag deployment.
Work on the SRS must therefore only be
performed by qualified technicians.
Contact an authorized Mercedes-Benz
Center.
R For your protection and the protection of
others, when scrapping the air bag unit or
ETD, our safety instructions must be
followed. These instructions are available
from any authorized Mercedes-Benz
Center.
R Given the considerable deployment speed,
required inflation volume, and the material
of the air bags, there is the possibility of
abrasions or other, potentially more serious
injuries resulting from air bag deployment.
If you sell your vehicle, Mercedes-Benz
strongly recommends that you inform the
subsequent owner that the vehicle is
equipped with SRS. Also refer them to the
applicable section in the Operator's Manual.
Air bags
Important safety notes
GWarning
Air bags are designed to reduce the incidence
of injuries and fatalities in certain situations:
R frontal impacts (driver's and front-
passenger front air bags)
R side impacts (side impact air bags and
window curtain air bags)
R rollover (window curtain air bags)
However, no system available today can
completely eliminate injuries and fatalities.
When the air bags are deployed, a small
amount of powder is released. The powder
generally does not constitute a health hazard
and does not indicate that there is a fire in the
vehicle. In order to prevent potential
breathing difficulties, you should leave the
vehicle as soon as it is safe to do so. If you
have any breathing difficulty but cannot get
out of the vehicle after the air bag inflates,
then get fresh air by opening a window or
door.GWarning
To reduce the risk of injuries during front air
bag inflation, the driver and front-passenger
must always be seated correctly and have
their seat belts fastened accordingly.
For maximum protection in the event of a
collision, you must always be in the normal
seat position with your back against the
backrest. Fasten your seat belt and make sure
that it is correctly positioned on your body.
Since the air bag inflates with considerable
speed and force, a proper seating position
and correct positioning of the hands on the
steering wheel will help to keep you at a safe
distance from the air bag. Occupants who are
not wearing their seat belt, are not seated
properly or are too close to the air bag can be
seriously injured or killed by an air bag as it
inflates with great force instantaneously:
R Sit with the seat belt properly fastened in a
position that is as upright as possible with
your back against the seat backrest.
R Move the driver's seat as far back as
possible, still permitting proper operation
of vehicle controls. The distance from the
center of the driver's chest to the center of
the air bag cover on the steering wheel
must be at least 10 inches (25 cm) or more.
You should be able to accomplish this by
adjusting the seat and steering wheel. If
you have any difficulties, please contact an
authorized Mercedes-Benz Center.
R Do not lean your head or chest close to the
steering wheel or dashboard.
R Only hold the steering wheel by the rim.
Placing hands and arms inside the rim can
increase the risk and potential severity of
44Occupant safetySafety

hand/arm injury when the driver front air
bag inflates.
R Adjust the front-passenger seat as far back
as possible from the dashboard when the
seat is occupied.
R Occupants, especially children, should
never place their bodies or lean their heads
in the area of the door where the side
impact air bag inflates. This could result in
serious injuries or death should the side
impact air bag be deployed. Always sit as
upright as possible, wear the seat belt
properly and use an appropriately sized
child restraint, infant restraint or booster
seat recommended for the size and weight
of the child.
Failure to follow these instructions can result
in severe injuries to you or other occupants.
If you sell your vehicle, it is important that you
make the buyer aware of this safety
information. Be sure to give the buyer this
Operator's Manual.GWarning!
Accident research shows that the safest place
for children in an automobile is in a rear seat.
There is a possibility for a side impact air bag-
related injury if occupants, especially
children, are not properly seated or restrained
when next to a side impact air bag which
needs to deploy rapidly in a side impact in
order to do its job.
To help avoid the possibility of injury, please
follow these guidelines:
(1)Occupants, especially children,
should never place their bodies or
lean their heads in the area of the
door where the side impact air bag
inflates. This could result in
serious injuries or death should
the side impact air bag be
deployed.(2)Always sit as upright as possible,
wear the seat belt properly and use
an appropriately sized infant
restraint, toddler restraint, orbooster seat recommended for the
size and weight of the child. and
for children 12 years old and
under, use an appropriately sized
infant restraint, toddler restraint,
or booster seat recommended for
the size and weight of the child.(3)Always wear seat belts properly.
If you believe that, even with the use of these
guidelines, it would be safer for your rear seat
occupants to have the rear mounted side
impact air bags deactivated, then
deactivation can be carried out upon your
written request at an authorized Mercedes-
Benz Center at an additional cost.
Please contact an authorized Mercedes-Benz
Center or call the Customer Assistance
Center (in the USA) at 1-800-FOR-MERCedes
(1-800-367-6372), or Customer Service (in
Canada) at 1-800-387-0100 for details.
The air bags are only deployed if the airbag
control unit detects the need for deployment.
Only in the event of such a situation will they
provide their supplemental protection.
The driver and passenger should always wear
their seat belts. Otherwise, it is not possible
for the air bags to provide their supplemental
protection.
In the event of other types of impacts and
impacts below air bag deployment
thresholds, air bags will not deploy. The driver
and passengers will then be protected to the
extent possible by a properly fastened seat
belt. A properly fastened seat belt is also
needed to provide the best possible
protection in a rollover.
Air bags provide additional protection; they
are not, however, a substitute for seat belts.
All vehicle occupants must fasten their seat
belts regardless of whether your vehicle is
equipped with air bags or not.
It is important for your safety and that of your
passenger to have deployed air bags replaced
and to have any malfunctioning air bags
repaired. This will help to make sure the air
Occupant safety45SafetyZ

bags will continue to provide supplemental
crash protection for occupants.
Front air bags
GWarning
Observe "Important safety notes"
(Y page 44).
The front air bags increase protection for the
driver's and front-passenger's head and
chest.
Driver's air bag : deploys in front of the
steering wheel; front-passenger air bag ;
deploys in front of and above the glove box.
They are deployed:
Rin the event of certain frontal impacts
Rif the system determines that air bag
deployment can offer additional protection
to that provided by the seat belt
Rif the seat belt is fastened
Rindependently of other air bags in the
vehicle
If the vehicle overturns, the front air bags are
generally not deployed unless the system
detects high vehicle deceleration in a
longitudinal direction.
Your vehicle has adaptive, two-stage front air
bags. In the event of a collision, the air bag
control unit evaluates the vehicle
deceleration. When the first deployment
threshold is reached, the front air bag is filled
with enough propellant gas to reduce the risk
of injuries. The front air bag is fully deployed
if a second deployment threshold is exceeded
within a few milliseconds.
The deployment of the front-passenger air
bag is also influenced by the weight category
of the front passenger, which is determined
by the Occupant Classification System (OCS)
(Y page 48).
The lighter the passenger side occupant, the
higher the vehicle deceleration rate required
for second stage inflation of the front-
passenger front air bag. In the second stage,
the front air bags are inflated with the
maximum amount of propellant gas available.
In impact situations with deceleration or
acceleration values lower than the vehicle
deceleration or acceleration values preset in
the system, the front air bags are not
deployed. You will then be protected by the
seat belt.
The front-passenger air bag will only deploy
if:
Rthe system, based on the OCS weight
sensor readings, has detected that the
front-passenger seat is occupied.
Rthe 42 indicator lamp in the
center console is not lit, (Y page 48)
Rthe impact exceeds a preset deployment
threshold.
Side impact air bags
GWarning
Observe "Important safety notes"
(Y page 44).
GWarning!
The pressure sensors for side impact air bag
control are located in the doors. Do not
modify any components of the doors or door
trim panels including, for example, the
addition of door speakers.
Improper repair work on the doors or the
modification or addition of components to the
doors create a risk of rendering the side
impact air bags inoperative or causing
unintended air bag deployment. Work on the
46Occupant safetySafety

Window curtain air bags : are deployed:
R on the side on which an impact occurs
R at the start of an accident with a high rate
of lateral vehicle deceleration or
acceleration, e.g. in a side impact
R regardless of whether the front-passenger
seat is occupied
R independently of seat belt use
R if the vehicle overturns and the system
determines that window curtain air bag
deployment can offer additional protection
to that provided by the seat belt
R independently of the front air bags
Window curtain air bags : will not deploy in
impacts with deceleration rates which do not
exceed the system’s preset deployment
thresholds for vehicle deceleration or
acceleration. You will then be protected by
the seat belt.
Occupant classification system (OCS)
Operating principles of the Occupant
Classification System
OCS categorizes the occupant on the front-
passenger seat by means of a weight sensor.
The front-passenger front air bag is
automatically deactivated for certain weight
categories. The respective status can be
recognized by the 42 indicator
lamp. With the 42 indicator
lamp illuminated, the front-passenger front
air bag is deactivated.
The system does not deactivate:
R the side impact air bag
R the window curtain air bag
R the Emergency Tensioning Devices
To be classified correctly, the front passenger
must sit:
R with the seat belt properly fastened
R in a position that is as upright as possible
with the back against the seat backrest
R with their feet on the floor
If the front-passenger's weight is transferred
to another object in the vehicle (e.g. by
leaning on armrests), OCS may not be able to
approximate the occupant's weight category.
If the front passenger seat, the seat cover, or
the seat cushion are damaged, have the
necessary repair work carried out at an
authorized Mercedes-Benz Center.
For reasons of safety, Mercedes-Benz
recommends that you only use seat
accessories that have been approved by
Mercedes-Benz.
Both the driver and the front passenger
should observe the 42 indicator
lamp to determine whether or not the front
passenger is positioned correctly.GWarning
If the 42 indicator lamp lights up
when an adult or someone larger than a small
individual is in the front-passenger seat, have
the front passenger reposition himself or
herself in the seat until the 42
indicator lamp goes out.
In the event of a collision, the air bag control
unit will not allow front-passenger front air
bag deployment when the OCS has classified
the front-passenger seat occupant as
weighing as much as or less than a typical 12-
month-old child in a standard child restraint
or if the front-passenger seat is classified as
being empty.
When the OCS senses that the front-
passenger seat occupant is classified as
being up to or less than the weight of a typical
12-month-old child in a standard child
restraint, the 42 indicator lamp
will illuminate when the engine is started and
remain illuminated, indicating that the front-
passenger front air bag is deactivated.
When the OCS senses that the front-
passenger seat is classified as being empty,
the 42 indicator lamp will
illuminate when the engine is started and
remain illuminated, indicating that the front-
passenger front air bag is deactivated.
48Occupant safetySafety