Warning lamp ................................. 238
Warning lamp (function) ...................58
Seats
Adjusting (electrically) ...................102
Adjusting the head restraint ..........103
Cleaning the cover .........................295
Correct driver's sea tposition ........100
Entry position (3rd row of seats) ....108
Exit position (3rd row of seats) ......108
Folding downt he 2nd row of
seats .............................................. 256
Folding downt he 3rd row of seats .257
Folding the 2nd row of seats
forward manually ........................... 107
Folding the rear bench seat
forwards/back ............................... 254
Important safety notes ..................101
Overview ........................................ 101
Resetting the 2nd row of seats ......258
Resetting the 3rd row of seats ....... 258
Seat heating problem ....................111
Seat ventilation problem ................111
Storing settings (memory
function) ........................................ 116
Switching sea theating on/off .......110
Switching seat ventilation on/off ..111
Securing hooks .................................. 260
Selector lever Cleaning ......................................... 295
Sensors (cleaning instructions) .......293
Service see ASSYST PLUS
Service products
Brake fluid ..................................... 355
Coolant (engine) ............................ 355
DEF special additive s..................... 353
Engine oil ....................................... 354
Fuel ................................................ 351
Important safety notes ..................350
Washer fluid .................................. .356
Service work
see ASSYST PLUS
Settings
Factory (on-board computer) .........206
On-board computer .......................206
Setting the air distribution ...............141
Setting the airflow ............................141Short journeys (diesel particle
filter)
................................................... 169
Side impact air bag .............................45
Side marker lamp (display
message) ............................................ 223
Side marker lamps (changing
bulbs) ................................................. 128
Side windows Cleaning ......................................... 292
Convenience closing feature ............91
Convenience opening feature ..........90
Hinged sid ewindows ....................... 90
Important safety information ...........89
Opening/closing .............................. 89
Overview .......................................... 89
Problem (malfunction) .....................93
Resetting ......................................... 92
Sliding sunroof
Important safety notes ....................93
Opening/closing .............................. 94
Problem (malfunction) .....................97
Resetting ......................................... 95
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery .......................80
Changing the programming .............78
Checking the battery .......................79
Convenience closing feature ............91
Convenience opening feature ..........90
Display message ............................ 236
Door central locking/unlocking .......77
Important safety notes ....................76
Loss ................................................. 81
Mechanical key ................................ 78
Overview .......................................... 76
Positions (ignition lock) .................149
Problem (malfunction) .....................81
Starting the engine ........................151
Snow chains
Information .................................... 315
Sockets
2nd row of seats ............................ 270
Center console .............................. 269
Front-passenger footwell ...............269
General notes ................................ 269
Luggage compartment ...................270 Index
15
TIN (Tire Identification Number)
(definition
)..................................... 333
Tire bead( definition) ...................... 333
Tire pressure (definition) ................333
Tire pressures (recommended )...... 332
Tire size (data) ............................... 339
Tire size designation, load-bearing
capacity, speed rating .................... 328
Tire tread ....................................... 313
Tire tread (definition) .....................333
Total load limit (definition) .............334
Traction ......................................... 327
Traction (definition) .......................334
Trea dwear ..................................... 327
TWR (permissible trailer drawbar
noseweight) (definition) .................334
Uniform Tire Quality Grading
Standard s...................................... 326
Uniform Tire Quality Grading
Standard s(definition) .................... 332
Unladen weight (definition) ............333
Wea rindicato r(definition) .............334
Whee lrim (definition ).................... 332
see Flat tire
Top Tether ............................................ 64
Towing Important safety guidelines ...........306
Installing the towing eye ................307
Removing the towing eye. ..............307
Towing atrailer
Cleaning the trailer tow hitch ......... 294
Coupling up atrailer ...................... 194
Decoupling atrailer ....................... 196
Driving tips .................................... 193
ESP ®
(Electronic Stability
Program) .......................................... 70
Important safety notes ..................193
Lights displaym essage.................. 221
Power supply ................................. 197
Shift range ..................................... 157
Towing away
With both axles on the ground .......307
Tow-starting
Emergency engine starting ............308
Important safety notes ..................306
Trailer coupling
see Towing atrailer Trailer loads and drawbar
noseweights
...................................... 196
Trailer towing Blind Spot Assist ............................ 193
PARKTRONI C................................. 188
Permissible trailer loads and
drawbarn oseweights ..................... 196
Transfer case ..................................... 160
Transmission see Automatic transmission
Transporting the vehicle ..................308
Trim pieces (cleaning instructions) .295
Trip computer (on-board
computer) .......................................... 211
Trip odometer Calling up ....................................... 203
Resetting (on-board computer) ......212
Trunk
see Tailgate
Turn signals
Changing bulbs (front) ...................128
Display message ............................ 222
Switching on/off ........................... 123
TWR (Tongue Weight Rating)
(definition) ......................................... 334
Type identification plate see Vehicle identification plate U
Unlocking Emergency unlocking .......................84
From inside the vehicle (central
unlocking button) ............................. 83 V
Vanity mirror (in the sun visor) ........267
Vehicle Correct use ...................................... 24
Data acquisition ............................... 25
Display message ............................ 234
Equipment ....................................... 21
Individua lsettings .......................... 206
Limited Warranty ............................. 25
Loading .......................................... 323
Locking (in an emergency) ...............84
Locking (SmartKey) .......................... 77 18
Index
Lowering
........................................ 338
Maintenance .................................... 22
Parking for a long period ................ 168
Pulling away ................................... 151
Raising ........................................... 336
Reporting problems .........................25
Securing from rolling away ............335
Towing away .................................. 306
Transporting .................................. 308
Unlocking (in an emergency) ...........84
Unlocking (SmartKey) ......................77
Vehicle data ................................... 357
Vehicle battery
see Battery (vehicle)
Vehicle data ....................................... 357
Vehicle dimensions ...........................357
Vehicle emergency locking ................84
Vehicle identification number see VIN
Vehicle identification plate ..............349
Vehicle level (display message) .......228
Vehicle tool kit .................................. 298
Video Operating the DVD ......................... 205
VIN ...................................................... 349W
Warning and indicator lamps ABS ................................................ 239
Brakes ........................................... 239
Check Engine ................................. 245
Distance warning ........................... 246
ESP ®
.............................................. 241
ESP ®
OFF ....................................... 242
Fuel tank ........................................ 245
Overview .......................................... 32
PASSENGER AIR BAG OFF
indicator lamp .................................. 46
Reserve fuel ................................... 245
Seat belt. ....................................... 238
SRS ................................................ 244
Tire pressure monitor ....................247
Warranty ............................................ 348
Washer fluid Display message ............................ 236
Wheel bol ttightening torque ...........338
Wheel chock ...................................... 335Wheels
Changing awheel .......................... 334
Checking ........................................ 313
Cleaning ......................................... 292
Cleaning (warning) .........................335
Emergency spare wheel .................342
Important safety notes ..................312
Interchanging/changing ................334
Mounting anew wheel ................... 338
Mounting awheel .......................... 335
Overview ........................................ 312
Removing awheel .......................... 337
Storing ........................................... 335
Tightening torque ........................... 338
Whee lsize/tir esize ....................... 339
Window curtain air bag ....................... 46
Windows see Side windows
Windshield
Defrosting ...................................... 142
Infrared reflective .......................... 281
Windshiel dwasher fluid
see Windshield washer system
Windshield washer system
Adding washer fluid .......................288
Filling capacity ............................... 356
Notes ............................................. 356
Windshiel dwipers
Problem (malfunction) ...................132
Rea rwindow wiper ........................ 131
Replacing the wiper blades ............131
Switching on/off ........................... 130
Winte rdriving
Slippery roa dsurface s................... 172
Snow chains .................................. 315
Winter operation
General notes ................................ 314
Overview ........................................ 314
Radiator cover ............................... 285
Winter tires
M+S tires ....................................... 314
Wiper blades
Cleaning ......................................... 292
Important safety notes ..................131
Replacing ....................................... 131
Replacing (rea rwindow) ................ 132
Replacing (windshield). ..................131 Index
19
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 24).Panic alarm
X
To activate: press!button :for at
least one second.
An alarm sounds and the exterior lighting
flashes.
X To deactivate: press!button :
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.
i USA only:
This device complies with Part 15 of the
FCC Rules. Operation is subjec tto the
following two conditions: 1. This device may not cause interference,
and
2. this device must accept any interference
received, including interference that may
cause undesired operation.
Any unauthorized modification to this
device could void the user's authority to
operate the equipment.
The Product label with FCC ID and IC
certification number can be found in the
battery case of the SmartKey.
i Canada only:
This device complies with RSS-Gen of
Industry Canada. Operation is subject to
the following two conditions:
1. This device may not cause interference,
and
2. this device must accept any interference
received, including interference that may
cause undesired operation.
Any unauthorized modification to this
device could void the user's authority to
operate the equipment.
The Product label with FCC ID and IC
certification number can be found in the
battery case of the SmartKey. Occupant safety
Important safety notes
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 40
Occupant safetySafety
R
while seated, an occupant should not
position him/herself in such a way as to
cause the occupant's weight to be lifted
fro mt he seat cushion as this may result in
the OCS being unable to correctly
approximate the occupant's weight
category.
R read and observe all warnings in this
section. If the SmartKey has been removed from the
ignition lock or is in position
0,
42 indicator lamp:does not
light up.
The Occupant Classification System (OCS)
categorizes the occupant on the front-
passenger seat using a weight sensor. The
front-passenger front air bag is deactivated
automatically for certain weight categories.
42 indicator lamp:shows you
the current status. If
42 indicator lamp:lights up,
the front-passenger air bag is disabled.
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 fastened correctly
R in a position that is as upright as possible
with their back against the seat backrest
R with their feet on the floor The OCS weight sensor reading is affected if
the occupant's weight is transferred, e.g. by
leaning on the armrest.
In addition, the occupant weight may appear
to increase or decrease due to the following:
R
objects hanging on the seat
R objects lodged underneath the seat
R objects lodged between the seat and the
center console
R objects lodged between the seat and the
door
R other passengers exerting weight on the
seat
R objects applying pressure to the back of
the seat
Make sure that the seat always has clearance
in all directions.
If the front-passenger seat, the seat cover or
the seat cushion are damaged, have the
necessary repair work carried out at a
qualified specialist workshop.
For safety reasons, Mercedes-Benz
recommends that you only use seat
accessories that have been approved by
Mercedes-Benz.
Both the driver and the front passenger
should always observe the 42
indicator lamp to determine whether or not
the front passenger is positioned correctly.
Also observe the air bag display messages,
which appearint he instrumentcluster
(Y page 220).
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 empty or occupied by the weight of a
typical child up to twelve months old,
seated in a child restraint system
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. Occupant safety
49Safety Z
These are examples of when the OCS
deactivates the front-passenger fronta
ir bag.
Deactivation takes place although the
collision fulfills the criteria for deploying the
driver's air bag.
System self-test G
WARNING
If the 42indicator lamp does
not illuminate, the system is not functioning.
You must contac tanauthorized Mercedes-
Benz Center before seating any child on the
fron tpassenger seat. 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.
The 42 indicator lamp lights up:
R if you turn the SmartKey in the ignition lock
to position 1or 2
R if you press the KEYLESS-GO Start/Stop
button once or twice on vehicles with
KEYLESS-GO
R if an adulti s seated properly on the front-
passenger seat and the OCS classifies the
occupant as an adult
The 42 indicator lamp goes
out after approximately six seconds.
If the seat is not occupied and the OCS
detects that the front-passenger seat is
empty, the 42 indicator lamp
will continue to light up. The 42
indicator lamp will not go
out.
For more information aboutt he OCS, see
"Problems with the Occupant Classification
System" (Y page 51). 50
Occupant safetySafety
chance of head and neck injuries. The seat
bel
twould also apply too much force to the
ribs or abdomen, which could severely
injure internal organs such as your liver or
spleen.
Adjust the seat belt so that the shoulder
section is located as close as possible to
the middle of the shoulder. It should not
touch the neck.N ever pass the shoulder
portion of the seat belt under your arm. For
this purpose, you can adjust the height of
the seat belt outlet.
R Position the lap belt as low as possible on
your hips and not across the abdomen. If
the lap belt is positioned across your
abdomen, it could cause serious injuries in
a crash.
R Never wear seat belts over rigid or
breakable objects in or on your clothing,
such as eyeglasses, pens, keys etc., as
these might cause injuries.
R Make sure the seat belt is always routed
snugly. Take special care of this when
wearing loose clothing.
R Never use a seat belt for more than one
person at a time. Do not fasten a seat belt
around a person and another person or
other objects at the same time.
R Seat belts should not be worn twisted. In a
crash, you would not have the full width of
the seat belt to distribut eimpact forces.
The twisted seat belt against yourb ody
could cause injuries.
R Pregnant women should also always use a
lap-shoulder belt. The lap belt portion
should be positioned as low as possible on
the hips to avoid any possible pressure on
the abdomen.
R Place the seat backrest in a position that is
as upright as possible.
R Check your seat belt during travel to make
sure it is properly positioned.
R Never place your feet on the instrument
panel, dashboard, or on the seat. Always keep both feet on the floor in front of the
seat.
R When using a seat belt to secure infant
restraints, toddler restraints, or children in
booster seats, always follow the child seat
manufacturer's instructions. G
WARNING
Do not pass seat belts over sharp edges. They
could tear.
Do not allow the seat belt to get caught in the
door or in the seat adjustment mechanism.
This could damage the seat belt.
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.
Ac hild'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. 56
Occupant safetySafety
X
Adjust the seat and move the backrest to
an almos tvertical position (Y page 100).
X Pull the seat belt smoothly through belt
sash guide :.
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 ;in buckle =.
Seat-belt adjustment:ifn ecessary, the
driver's and front-passenger seat belts
automatically adjust to the upper body
(Y page 57).
X If necessary, adjust the seat belt to the
appropriate height (Y page 57).
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. Further information can be found
under "Special seat belt retractor"
(Y page 62). For more information about releasing the seat
belt with release button
?, see "Releasing
seat belts" (Y page 58).
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 2in the ignition lock.
R the SmartKey is in position 2in the ignition
lock and you then engage the belt tongue
in the buckle.
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 210).
The seat-belt adjustment is an integral part of
the PRE-SAFE ®
convenience function. More
information about PRE-SAFE ®
can be found
under "PRE-SAFE ®
(preventative occupant
protection)" (Y page 52).
Belt height adjustment You can adjust the seat belt height on the
fron
tseats. Adjust the belt to a height that
allows the upper part of the seat belt to be
routed across the center of your shoulder. Occupant safety
57Safety Z