Emergency releaseDriver's door .................................... 81
Trunk ............................................... 85
Vehicle ............................................. 81
Emergency spare wheel
Storage location ............................ 424
Emergency Tensioning Devices
Function ........................................... 55
Safety guidelines ............................. 41
Emissions purification
Service and warranty information ....26
Engine
Check Engine warning lamp ........... 384
Display message ............................ 362
ECO start/stop function ................270
Emergency starting ........................437
Engine number ............................... 474
Irregular running ............................ 272
Starting problems ..........................272
Starting the engine with the
SmartKey ....................................... 268
Starting with KEYLESS-GO .............269
Switching off .................................. 283
Engine electronics
Problem (malfunction) ...................272
Engine emergency stop .................... 439
Engine oil Adding ........................................... 410
Additives ........................................ 478
Checking the oil level ..................... 409
Checking the oil level using the
dipstick .......................................... 409
Checking the oil level using the
on-board computer ........................410
Display message ............................ 364
Filling capacity ............................... 476
Notes about oil grades ................... 478
Notes on oil level/consumption ....409
Temperature (on-board computer) . 337
Viscosity ........................................ 478
Entering the frequency ..................... 196
Entry Deleting ......................................... 121
Saving ............................................ 123ESP®
(Electronic Stability
Program) Deactivating/activating .................342
Deactivating/activating (notes) .......64
Display message ............................ 347
ETS/4ETS ........................................ 64
Function/notes ................................ 64
Important safety information ...........64
Warning lamp ................................. 381
ETS/4ETS (Electronic Traction
System) ................................................ 64
Exhaust check ................................... 287
Exhaust tail pipe (cleaning
instructions) ...................................... 419
Exterior lighting see Exterior lighting
Exterior mirror parking position
Adjusting (COMAND) .....................232
Exterior mirrors
Adjusting ....................................... 100
Dipping (automatic) .......................101
Folding in/out (automatically) .......101
Folding in/out (electrically) ...........101
Out of position (troubleshooting) ...101
Storing settings (memory
function) ........................................ 102
Storing the parking position ..........101
Eyeglasses compartment ................. 389
F
Factory setting (reset function) ....... 134
Fader, setting .................................... 125
Fast forward Audio mode (CD, DVD, MP3) .........209
Video DVD ..................................... 226
Fast rewind
Audio mode (CD, DVD, MP3) .........209
Video DVD ..................................... 226
Favorites (COMAND) ......................... 109
Filler cap see Fuel filler flap
First-aid kit ......................................... 424
Flat tire Changing a wheel/mounting the
spare wheel ................................... 425
MOExtended run-flat system .........429
Index11
Pulling away (automatic
transmission) ..................................... 269
PULSE see Massage function (PULSE)
Q
Qualified specialist workshop ........... 29
R
RACETIMER (on-board computer) .... 338
Radar sensor system Activating/deactivating .................344
Display message ............................ 369
Radio
HD Radio™ .................................... 199
Selecting a station .................196, 336
Sound settings (balance, bass,
fader, treble) .................................. 125
Storing stations ............................. 197
Switching on .................................. 195
Switching wavebands ....................196
Radio-controlled devices
(installing) .......................................... 406
Read-aloud function .......................... 158
Reading lamp ..................................... 249
Real-time traffic reports ................... 158
Rear compartment Setting the air vents ......................263
Rear fog lamp
Display message ............................ 360
Switching on/off ........................... 246
Rear view camera
Cleaning instructions .....................418
Function/notes ............................. 314
Rear-view mirror ............................... 101
Rear window blind ............................ 393
see Rear window roller sunblind
see Roller sunblind
Rear window defroster
Problem (malfunction) ...................260
Rear window heating
Switching on/off ........................... 260
Redialing (telephone) ........................ 184
Refueling Fuel gauge ....................................... 33
Important safety notes ..................280
Refueling process ..........................281
see Fuel
Remote control
Garage door opener .......................402
Reporting
Malfunctions relevant to safety ........ 29
Reserve (fuel tank)
see Fuel
Reserve fuel
Display message ............................ 365
Warning lamp ................................. 384
see Fuel
Reset function ................................... 134
Resetting (factory settings) ............. 134
Residual heat (climate control) ........ 261
Restraint system see SRS (Supplemental Restraint
System)
Reversing lamps (display
message) ............................................ 361
Road map see Map
Roadside Assistance (breakdown) .... 27
Roller sunblind Rear window .................................. 393
Rear window (COMAND) ................231
Roof lining and carpets (cleaning
guidelines) ......................................... 421
Roof load (maximum) ........................ 480
Route see Route guidance (navigation)
Route (navigation)
Displaying the distance to the
destination ..................................... 156
Route overview .............................. 156
Selecting an alternative route ........155
Setting route options (avoiding:
highways, toll roads, tunnels,
ferries) ........................................... 136
Setting the route type (short
route, fast route, dynamic route or
economic route) ............................ 136
Starting calculation ........................140
Route guidance
Canceling ....................................... 153
Continuing ..................................... 15318Index
Destination reached ......................154
Lane recommendations .................152
Off-road ......................................... 157
Traffic reports ................................ 158
Route guidance (navigation) ............ 335
Route guidance (on-board
computer) .......................................... 335
Route information see Dynamic route guidance/TMC
S
Safety Children in the vehicle .....................55
Child restraint systems ....................55
Occupant Classification System
(OCS) ............................................... 46
Overview of occupant safety
systems ........................................... 40
Safety notes
Audio CD/DVD and MP3 mode .....204
Operating safety ............................ 106
Video DVD mode ........................... 224
Safety systems
see Driving safety systems
SatRadio ............................................. 200
Displaying information ...................204
Registering .................................... 201
Selecting a category ......................202
Screen
see Display
SD memory card
Loading .......................................... 205
Seat belts
Automatic comfort-fit feature ..........55
Belt force limiters ............................ 55
Cleaning ......................................... 421
Correct usage .................................. 52
Emergency Tensioning Devices ........ 55
Fastening ......................................... 53
Important safety guidelines .............51
Releasing ......................................... 54
Safety guidelines ............................. 41
Special seat belt retractor ...............57
Warning lamp ................................. 378
Warning lamp (function) ................... 54
Seats
Active multicontour seat .......... 97, 241
Adjusting (electrically) .....................94
Adjusting lumbar support ................97
Adjusting the head restraint ............95
Cleaning the cover .........................420
Correct driver's seat position ........... 92
Folding the backrests forward/
back ................................................. 96
Important safety notes ....................93
Multicontour seat ............................ 97
Seat backrest display message .....375
Seat heating problem ......................98
Seat ventilation problem ..................98
Selecting (COMAND) .....................239
Storing settings (memory
function) ........................................ 102
Switching seat heating on/off .........97
Switching seat ventilation on/off ....98
Selecting stations (radio)
Using station presets .....................196
Using station search ......................196
Sending DTMF tones ......................... 187
Sensors (cleaning instructions) ....... 418
Service see ASSYST PLUS service interval
display
Service interval display
Displaying service messages .........414
Hiding service messages ...............414
Notes ............................................. 414
Service messages ..........................413
Service menu (on-board computer) . 343
Service products Brake fluid ..................................... 479
Capacities ...................................... 476
Coolant (engine) ............................ 479
Engine oil ....................................... 478
Fuel ................................................ 477
Important safety notes ..................475
Refrigerant (air-conditioning
system) .......................................... 479
Washer fluid ................................... 480
Setting a station (radio)
Via manual frequency entry ...........196
Settings
Display ........................................... 127
Menu overview .............................. 111Index19
On-board computer .......................343
Picture (COMAND) .........................224
Sound settings ............................... 125
System settings ............................. 127
Setting the language
COMAND ....................................... 134
Setting the night design ................... 127
Setting the text reader speed .......... 129
Setting the vehicle level ................... 305
Setting the volume Telephone calls .............................. 124
Video AUX ..................................... 230
Side impact air bag ............................. 45
Side marker lamp (display
message) ............................................ 361
Side windows Convenience closing feature ............87
Convenience opening feature ..........87
Important safety information ...........86
Opening/closing .............................. 86
Problem (malfunction) .....................88
Resetting ......................................... 88
Sliding sunroof
Important safety notes ....................89
Opening/closing .............................. 89
Problem (malfunction) .....................90
Resetting ......................................... 90
SmartKey
Changing the battery .......................76
Changing the programming .............75
Checking the battery .......................76
Convenience closing feature ............87
Convenience opening feature ..........87
Display message ............................ 376
Door central locking/unlocking .......72
Important safety notes ....................72
Loss ................................................. 78
Mechanical key ................................ 75
Positions (ignition lock) .................267
Problem (malfunction) .....................78
Starting the engine ........................268
SMS message
see Text message
Snow chains ...................................... 445
Socket Glove box ....................................... 395Sockets
Points to observe before use .........394
Trunk ............................................. 395
Sound menu ....................................... 125
Sounds see Sound settings
Sound settings
Balance and fader ..........................125
Calling up the sound menu ............125
Surround sound ............................. 126
Treble and bass ............................. 125
Spare wheel
Notes/data .................................... 468
Storage location ............................ 424
see Emergency spare wheel
Specialist workshop ............................ 29
Speech control see Voice Control System
Speed, controlling
see Cruise control
Speed Limit Assist
see Speed Limit Assist
Speedometer
Activating/deactivating the
additional speedometer .................344
Digital ............................................ 334
In the Instrument cluster .................33
Selecting the unit of
measurement ................................ 344
see Instrument cluster
SPLITVIEW ......................................... 112
Spotlight function ............................. 317
SRS (Supplemental Restraint
System) Display message ............................ 355
Introduction ..................................... 40
Warning lamp ................................. 383
Warning lamp (function) ................... 40
Standing lamps
Display message ............................ 360
Switching on/off ........................... 244
Starting (engine) ................................ 268
Station memory ................................. 197
Steering (display message) .............. 376
Steering wheel Adjusting (electrically) .....................98
Button overview ............................... 3520Index
GAWR (Gross Axle Weight Rating)
(definition) ..................................... 463
GVW (Gross Vehicle Weight)
(definition) ..................................... 463
GVWR (Gross Vehicle Weight
Rating) (definition) .........................463
Important safety notes ..................442
Increased vehicle weight due to
optional equipment (definition) ......463
Kilopascal (kPa) (definition) ...........464
Labeling (overview) ........................458
Load bearing index (definition) ......465
Load index ..................................... 461
Load index (definition) ...................464
Maximum loaded vehicle weight
(definition) ..................................... 463
Maximum load on a tire
(definition) ..................................... 464
Maximum permissible tire
pressure (definition) ....................... 464
Maximum tire load .........................456
Maximum tire load (definition) .......464
Optional equipment weight
(definition) ..................................... 464
PSI (pounds per square inch)
(definition) ..................................... 464
Replacing ....................................... 465
Service life ..................................... 443
Sidewall (definition) .......................464
Speed rating (definition) ................463
Storing ........................................... 466
Structure and characteristics
(definition) ..................................... 462
Temperature .................................. 458
TIN (Tire Identification Number)
(definition) ..................................... 465
Tire bead (definition) ......................464
Tire pressure (definition) ................464
Tire pressures (recommended) ......463
Tire size (data) ............................... 466
Tire size designation, load-bearing
capacity, speed rating .................... 459
Tire tread ....................................... 443
Tire tread (definition) .....................464
Total load limit (definition) .............465
Traction ......................................... 457
Traction (definition) .......................465
Tread wear ..................................... 457Uniform Tire Quality Grading
Standards ...................................... 457
Uniform Tire Quality Grading
Standards (definition) ....................463
Unladen weight (definition) ............464
Wear indicator (definition) .............465
Wheel rim (definition) ....................463
see Flat tire
Tonal properties
see Sound settings
Top Tether ............................................ 59
Towing Important safety guidelines ...........435
Installing the towing eye ................435
Removing the towing eye ...............436
With the rear axle raised ................436
Towing away
With both axles on the ground .......436
Tow-starting
Emergency engine starting ............437
Important safety notes ..................435
Track
Selecting (CD, DVD, MP3) .............. 208
Traffic Announcements (TA)
Switching off .................................. 124
Traffic jam function ........................... 155
Traffic jam message see Dynamic route guidance/TMC
Traffic reports
Real-time traffic report ..................161
Switching on/off ........................... 158
Transmission
see Automatic transmission
Transporting the vehicle .................. 437
Treble, adjusting (sound) .................. 125
Trim pieces (cleaning instructions) . 420
Trip computer (on-board
computer) .......................................... 334
Trip meter see Trip odometer
Trip odometer
Calling up ....................................... 334
Resetting (on-board computer) ......335
Trunk
Emergency release ..........................85
Important safety guidelines .............82
Limiting the opening angle ............. 235Index23
that provided by the seat belt, driver's knee
bag =(Y page 44) is deployed along with the
driver's air bag. Driver's knee
bag =(Y page 44) operates best in
conjunction with a properly positioned and
fastened seat belt.
Side impact air bagsGWARNING
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
doors must therefore only be performed by
qualified technicians. Contact an authorized
Mercedes-Benz Center.
GWARNING
Only use seat covers which have been tested
and approved by Mercedes-Benz for your
vehicle model. Using other seat covers may
interfere with or prevent the deployment of
the side impact air bags. Contact an
authorized Mercedes-Benz Center for
availability.
When deployed, the side impact air bags offer
additional protection for the thorax of the
vehicle occupants on the side of the vehicle
on which the impact occurs. However, they
do not protect the:
R head
R neck
R arms
Front side impact air bags : and rear side
impact air bags ; deploy next to the outer
seat cushions.
The side impact 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 independently of seat belt use
R independently of the front air bags
R independently of the ETDs
If the vehicle overturns, the side impact air
bags are generally not deployed. They are
deployed if the system detects high vehicle
deceleration or acceleration in a lateral
direction and determines that side impact air
bag deployment can offer additional
protection to that provided by the seat belt.
Side impact air bags will not deploy in side
impacts which do not exceed the system's
preset deployment thresholds for lateral
acceleration/deceleration. You will then be
protected by the fastened seat belt.
If the OCS detects that the front-passenger
seat is not occupied and the front-passenger
seat belt is not fastened (the belt tongue is
not engaged in the seat belt buckle), the side
impact air bag on the front-passenger side
will not deploy. The side impact air bag on the
front-passenger side will deploy if the front-
passenger seat belt is fastened, regardless of
whether the front-passenger seat is occupied
or not.
Occupant safety45SafetyZ
Window curtain air bags
The window curtain air bags enhance the level
of protection for the head, but not chest or
arms, of the vehicle occupants on the side of
the vehicle on which the impact occurs.
The window curtain air bags are integrated
into the side of the roof frame and deploy in
the area extending from the front door (A-
pillar) to the rear sidewall (C-pillar).
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 fastened seat belt.
Occupant Classification System
(OCS)
How the occupant classification
system works
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
deactivated automatically for certain weight
categories. The 42 indicator
lamp shows you the current status. If the
42 indicator lamp is 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 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
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 safety reasons, Mercedes-Benz
recommends that you only use seat
accessories which have been approved by
Mercedes-Benz.
Both the driver and the passenger should
always use the 42 indicator
lamp as an indication of whether or not the
passenger is properly positioned.
GWARNING
If the 42 indicator lamp lights up
when an adult or someone larger than a small
46Occupant safetySafety
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.
When the OCS senses that the front-
passenger seat occupant is classified as
being heavier than the weight of a typical 12-
month-old child seated in a standard child
restraint or as being a small individual (such
as a young teenager or a small adult), the
42 indicator lamp will illuminate
for approximately 6 seconds when the engine
is started and then, depending on occupant
weight sensor readings from the front-
passenger seat, remain illuminated or go out.
With the 42 indicator lamp
illuminated, the front-passenger front air bag
is deactivated. With the 42
indicator lamp out, the front-passenger front
air bag is activated.
When the OCS senses that the front-
passenger seat occupant is classified as an
adult or someone larger than a small
individual, the 42 indicator lampwill illuminate for approximately 6 seconds
when the engine is started and then go out,
indicating that the front-passenger front air
bag is activated.
If the 42 indicator lamp is
illuminated, the front-passenger front air bag
is deactivated and will not be deployed.
If the 42 indicator lamp is not
illuminated, the front-passenger front air bag
is activated and will be deployed:
R in the event of certain frontal impacts
R if impact exceeds a preset deployment
threshold
R independently of the side impact air bags
If the front-passenger front air bag is
deployed, the rate of inflation will be
influenced by:
R the rate of vehicle deceleration as assessed
by the air bag control unit
R the front passenger's weight category as
identified by OCS
For further information, see "Air bag display
messages" ( Y page 357).GWARNING
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 seats 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.
The infant or child restraint system must be
properly secured with the vehicle's seat belt,
the seat belt and Top Tether strap, or lower
anchors and Top Tether strap, fully in
accordance with the child seat
manufacturer's instructions.
Occupants, especially children, should always
sit as upright as possible, wear the seat belt
properly and use an appropriate sized infant
Occupant safety47SafetyZ