
Maintenance
.................................. 165
Parking brake ........................ 161, 165
Warning lamp ................................. 259
Breakdown
see Flat tire
see Towing away/tow-starting
Bulbs
see Changing bulbs C
California Important notice for retail
customers and lessees ....................24
Calling up a malfunction
see Display messages
Car
see Vehicle
Care
Carpets .......................................... 310
Car wash ........................................ 304
Display ........................................... 308
Exterior lights ................................ 307
Gear or selector lever ....................308
Interior ........................................... 308
Matte finish ................................... 305
Notes ............................................. 303
Paint .............................................. 305
Plastic trim .................................... 308
Power washer ................................ 304
Rear view camera .......................... 307
Roof lining ...................................... 310
Seat belt ........................................ 309
Seat cover ..................................... 309
Sensors ......................................... 307
Steering wheel ............................... 308
Tail pipes ....................................... 307
Trim pieces .................................... 309
Washing by hand ........................... 304
Wheels ........................................... 305
Windows ........................................ 306
Wiper blades .................................. 306
Wooden trim .................................. 309
Cargo compartment cover ...............274
Cargo compartment
enlargement ...................................... 272Cargo compartment floor
Opening/closing ............................ 277
Stowage well (under) ..................... 277
Cargo net
Attaching ....................................... 276
Important safety information
.........275
Cargo tie down rings .........................273
Car wash (care) ................................. 304
CD player/CD changer (on-board
computer) .......................................... 222
Center console Lower section .................................. 35
Upper section .................................. 34
Central locking
Automatic locking (on-board
computer) ...................................... 228
Locking/unlocking (SmartKey) ........ 74
Changing bulbs
Cornering light function .................118
High-beam headlamps ...................118
Important safety notes .................. 116
Low-beam headlamps .................... 118
Overview of bulb types ..................117
Parking lamps ................................ 118
Reversing lamps ............................ 120
Standing lamps (front) ...................118
Turn signals (front) ......................... 119
Child-proof locks
Important safety notes .................... 63
Rear doors ....................................... 63
Children
In the vehicle ................................... 58
Restraint systems ............................ 58
Special seat belt retractor ............... 61
Child seat
LATCH-type (ISOFIX) child seat
anchors ............................................ 61
Top Tether ....................................... 62
Cigarette lighter ................................ 280
Cleaning Mirror turn signal ........................... 307
Trailer tow hitch ............................. 308
Climate control
Adjusting the airflow (AIR FLOW) ... 132
Automatic climate control (3-
zone) .............................................. 130
Controlling automatically ...............132
Cooling with air dehumidification ..1316
Index

J
Jack Storage location ............................ 312
Using ............................................. 354
Jump starting (engine) ...................... 318K
KEYLESS-GO Convenience closing feature ............ 88
Display message ............................ 256
Locking ............................................ 75
Start/Stop button .......................... 141
Starting the engine
........................143
Unlocking ......................................... 75
Key positions
KEYLESS-GO .................................. 141
SmartKey ....................................... 141
Kickdown
Driving tips .................................... 151
Knee bag .............................................. 44L
Lamps see Warning and indicator lamps
Lane Keeping Assist
Activating/deactivating .................
225
Display message ............................ 248
Function/information
....................200
Lane Tracking package .....................198
LATCH-type (ISOFIX) child seat
anchors ................................................ 61
License plate lamp (display
message) ............................................ 241
Light function, active Display message ............................ 242
Lights
Activating/deactivating the
interior lighting delayed switch-off . 228
Active light function .......................113
Automatic headlamp mode ............ 111
Cornering light function .................114
Display message ............................ 239
Driving abroad ............................... 110
Fog lamps ...................................... 111
Hazard warning lamps ................... 113
High beam flasher .......................... 113 High-beam headlamps
...................113
Light switch ................................... 110
Low-beam headlamps ....................111
Parking lamps ................................ 112
Rear fog lamp ................................ 112
Setting the brightness of the
display/switch (on-board
computer) ...................................... 227
Standing lamps
.............................. 112
Switching Adaptive Highbeam
Assist on/off ................................. 227
Switching the daytime running
lamps on/off (on-board
computer) ...................................... 227
Switching the daytime running
lamps on/off (switch) .................... 111
Switching the exterior lighting
delayed switch-off on/off (on-
board computer) ............................ 227
Switching the surround lighting
on/off (on-board computer) ..........227
Turn signals ................................... 112
see Changing bulbs
see Interior lighting
see Lights
Light sensor (display message) .......242
Loading guidelines ............................270
Locking see Central locking
Locking (doors)
Automatic ........................................ 80
Emergency locking ........................... 81
From inside (central locking
button) ............................................. 80
Locking centrally
see Central locking
Locking verification signal (on-
board computer) ............................... 228
Low-beam headlamps Changing bulbs .............................. 118
Display message ............................ 239
Setting for driving abroad
(symmetrical) ................................. 110
Switching on/off ........................... 111
Lumbar support
Adjusting ....................................... 100
Adjusting the 4-way lumbar
support .......................................... 10112
Index

M
M+S tires ............................................ 330
Maintenance see ASSYST PLUS
Malfunction message
see Display messages
Matte finish (cleaning
instructions) ...................................... 305
mbrace Call priority .................................... 287
Display message ............................ 234
Downloading destinations
(COMAND) ..................................... 287
Downloading routes .......................290
Emergency call .............................. 284
Geo fencing ................................... 290
Important safety notes .................. 283
Locating a stolen vehicle ............... 289
MB info call button ........................ 286
Remote vehicle locking .................. 288
Roadside Assistance button .......... 286
Search & Send ............................... 288
Self-test ......................................... 284
Speed alert .................................... 290
System .......................................... 284
Triggering the vehicle alarm ........... 291
Vehicle remote malfunction
diagnosis ....................................... 289
Vehicle remote unlocking .............. 288
Mechanical key
Function/notes ................................ 76
Locking vehicle ................................ 81
Unlocking the driver's door ..............81
Memory card (audio) ......................... 222
Memory function ............................... 106
Message memory (on-board
computer) .......................................... 231
Messages see Display messages
Mirrors
see Exterior mirrors
see Rear-view mirror
see Vanity mirror (in the sun visor)
Mobile phone
Menu (on-board computer) ............ 223
Modifying the programming
(SmartKey) ........................................... 75MOExtended run-flat system
...........313
Mounting wheels Lowering the vehicle ......................356
Mounting a new wheel ................... 355
Preparing the vehicle .....................353
Raising the vehicle .........................354
Removing a wheel
.......................... 355
Securing the vehicle against
rolling away ................................... 353
MP3
Operation ....................................... 222
see separate operating instructions
Multifunction display
Function/notes ............................. 218
Permanent display ......................... 227
Multifunction steering wheel
Operating the on-board computer . 217
Overview .......................................... 33 N
Navigation Menu (on-board computer) ............ 221
see separate operating instructions
NECK-PRO head restraints
Operation ......................................... 52
Resetting after being triggered ........ 53
NECK-PRO luxury head restraints
Operation ......................................... 52
Resetting after being triggered ........ 53
Notes on breaking-in a new
vehicle ................................................ 140 O
Occupant Classification System
(OCS) Faults ............................................... 51
Operation ......................................... 47
System self-test ............................... 50
Occupant safety
Children in the vehicle .....................58
System overview .............................. 40
OCS
Faults ............................................... 51
Operation
......................................... 47
System self-test ............................... 50 Index
13

Useful information ..............................
40
Panic alarm .......................................... 40
Occupant safety .................................. 40
Children in the vehicle ........................58
Driving safety systems ....................... 64
Theft deterrent locking system ......... 71 39Safety

Useful information
i This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible. Please note that your
vehicle may
not be equipped with all features
described. This also applies to safety-
related systems and functions.
i Read the information on qualified
specialist workshops: ( Y page 27).Panic alarm
X
To activate: press 0033 button 0043 for
approximately one second.
An alarm sounds and the exterior lighting
flashes.
X To deactivate: press 0033 button 0043
again.
or
X Insert the SmartKey into the ignition lock.
or
X Press the KEYLESS-GO Start/Stop button.
The KEYLESS-GO key must be in the
vehicle. Occupant safety
Overview of occupant safety
In this section, you will learn the most
important facts about the restraint system
components of the vehicle.
The restraint system consists of:
R seat belts
R child restraint systems
R LATCH-type (ISOFIX) child seat anchors
Additional protection is provided by:
R SRS (Supplemental Restraint System)
R NECK-PRO head restraints/NECK-PRO
luxury head restraints
R air bag system components with:
-PASSENGER AIR BAG OFF indicator
lamp
- front-passenger seat with Occupant
Classification System (OCS)
The different air bag systems work
independently of each other. The protective
functions of the system work in conjunction
with each other. Not all air bags are always
deployed in an accident. G
WARNING
Modifications to or work improperly
conducted on restraint system components
or their wiring, as well as tampering with
interconnected electronic systems, can lead
to the restraint systems no
longer functioning
as intended.
Air bags or Emergency Tensioning Devices
(ETDs), for example, could deploy
inadvertently or fail to deploy in accidents
although the deceleration threshold for air
bag deployment is exceeded. Therefore,
never modify the restraint systems. Do not
tamper with electronic components or their
software.
i For information on infants and children
traveling with you in the vehicle restraint
systems for infants and children, see
"Children in the vehicle" ( Y page 58).40
Occupant safety
Safety

00730074 indicator lamp while driving to
make sure that the 00730074 indicator
lamp is illuminated. If the
00730074
indicator lamp goes out or remains out, do
not transport a child on
the front-passenger
seat until the system has been repaired.
A child in a rear-facing child restraint on the
front-passenger seat will be seriously
injured or even killed if the front-passenger
front air bag inflates.
R If you place a child in a forward-facing child
restraint on the front-passenger seat:
-move the seat as far back as possible
- use the proper child restraint
recommended for the age, size and
weight of the child
- secure child restraint with the vehicle's
seat belt according to the child seat
manufacturer's instructions
R For children larger than the typical 12-
month-old child, the front-passenger front
air bag may or may not be activated.
If the driver's air bag deploys, this does not
mean that the front-passenger front air bag
will also deploy.
The OCS may have detected that the seat:
R is either empty or occupied by a person
with a weight up to that of a typical twelve-
month-old child seated in a standard child
restraint
R is occupied by a small individual, such as a
young teenager or a small adult
R is occupied by a child in a child restraint
system, whose weight is greater than that
of a typical twelve-month-old child.
These are examples of when the OCS
deactivates the front-passenger front air bag.
Deactivation takes place although the
collision fulfills the criteria for deploying the
driver's air bag. If the SmartKey has been removed from the
ignition lock or is in position 0, the
00730074 indicator lamp
0043 does not light
up. G
WARNING
If the red 0075 SRS warning lamp in the
instrument cluster and the 00730074
indicator lamp light up simultaneously, the
OCS is malfunctioning. The front passenger
front air bag will be deactivated in this case.
Have the system checked by qualified
technicians as soon as possible. Contact an
authorized Mercedes-Benz Center.
Only have the seat repaired
or replaced at an
authorized Mercedes-Benz Center.
In order to ensure proper operation of the air
bag system and OCS:
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 When seated, a passenger should not
position him/herself in such a way as to
cause the passenger's weight to be lifted
from the seat cushion as this may result in
the OCS being unable to correctly
approximate the passenger's weight
category.
R Read and observe all warnings in this
chapter. Occupant safety
49
Safety Z

System self-test
The
00730074 indicator lamp lights up if you:
R turn the SmartKey to position 1 or 2 in the
ignition lock
R on vehicles with KEYLESS-GO, press the
Start/Stop button once or twice
When an adult is sitting correctly on the front-
passenger seat and is categorized by the OCS
system as an adult, the 00730074 indicator
lamp lights up and goes off again after
approximately six seconds.
If the passenger seat is not occupied and the
OCS system detects this, the 00730074
indicator lamp remains lit and does not go off. G
WARNING
If the 0073 0074 indicator lamp does not
illuminate, the system is not
functioning. You
must contact an authorized Mercedes-Benz
Center before seating any child on the front
passenger seat.
For further information, see "Problems with
the Occupant Classification System"
(Y page 51). G
WARNING
Never place anything between seat cushion
and child seat (e.g. a
pillow), since it reduces
the effectiveness of the OCS. The underside
and rear side child restraint system must be
placed entirely on the seat cushion and the
backrest of the front-passenger seat
backrest.
If necessary, adjust the tilt of the passenger
seat backrest.
An incorrectly mounted child seat could cause
injuries to the child in case of an accident,
instead of increasing protection for the child.
Follow the manufacturer's instructions for
installation of child restraint systems. 50
Occupant safety
Safety

Never attempt to make modifications to seat
belts. This could impair the effectiveness of
the seat belts.
Fastening seat belts G
WARNING
According to accident statistics, children are
safer when properly restrained on the rear
seats than on the front-passenger
seat. Thus,
we strongly recommend that children be
placed in the rear seat whenever possible.
Regardless of seating position, children 12
years old and under must be seated and
properly secured in an appropriately sized
child restraint system or booster seat
recommended for the size and weight of the
child. For additional information, see the
"Children in the vehicle" section.
A child's risk of serious or fatal injuries is
significantly increased if the child restraints
are not properly secured in the vehicle and/
or the child is not properly secured in the child
restraint. X
Adjust the seat and move the backrest to
an almost vertical position ( Y page 96).
X Pull the seat belt smoothly through belt
sash guide 0043.
X Without twisting it, guide the shoulder
section of the seat belt across the middle of your shoulder and the lap section across
your pelvis.
X Engage belt tongue 0044 in buckle 0087.
X If necessary, adjust the seat belt to the
appropriate height (Y page 56).
X If necessary, pull upwards on the shoulder
section of the seat belt to tighten the belt
across your body.
All seat belts
except the driver's seat belt are
equipped with a special seat
belt retractor to
securely fasten child restraint systems in the
vehicle. For further information on special
seat belt retractors, see (Y page 61).
For more information about releasing the seat
belt with release button 0085, see "Releasing
seat belts" ( Y page 57).
Seat belt adjustment The seat-belt adjustment function adjusts the
driver's and front-passenger seat belt to the
upper body of the occupants.
The belt strap is tightened slightly when:
R
you engage the belt tongue in the belt
buckle and you then turn the SmartKey to
position 2 in the ignition lock.
The seat-belt adjustment will apply a
retraction force if any slack is detected
between the occupant and the seat belt. Do
not hold on to the seat belt tightly while it is
adjusting. You can switch the seat-belt
adjustment on and off in the on-board
computer (Y page 229).
The seat-belt adjustment is an
integral part of
the PRE-SAFE ®
convenience function. More
information about PRE-SAFE ®
can be found
in the "PRE-SAFE ®
(anticipatory occupant
protection system)" section ( Y page 52).
Belt height adjustment You can adjust the seat belt height on the
driver's seat and the front-passenger seat.56
Occupant safety
Safety