Fuse box in the engine compart-
ment .............................................. 329
Important safety notes .................. 328
G
Garage door opener
Clearing the memory ..................... 298
General notes ................................ 295
Important safety notes .................. 295
Opening/closing the garage door .. 297
Programming (button in the rear-
view mirror) ................................... 295
Synchronizing the rolling code ....... 296
Gear or selector lever (cleaning
guidelines) ......................................... 311
Genuine parts ...................................... 22
Glove box ........................................... 275
GTW (Gross Trailer Weight) (defini-
tion) ................................................... . 353
H
Hazard warning lamps ...................... 119
Head restraints
Adjusting ....................................... 102
Adjusting (electrically) ................... 103
Adjusting (manually) ...................... 103
Adjusting (rear) .............................. 103
Installing/removing (rear) .............. 104
Luxury ............................................ 1 03
see NECK-PRO head restraints/
NECK-PRO luxury head restraints
Headlamps
Adding fluid to cleaning system ..... 303
Cleaning system (function) ............ 119
Cleaning system (notes) ................ 379
Fogging up ..................................... 121
see Automatic headlamp mode
Heating
see Climate control
High-beam headlamps
Changing bulbs .............................. 124
Display message ............................ 245
Switching on/off ........................... 118
Hill start assist .................................. 152
HOLD function
Deactivating ................................... 185 Display message ............................ 250
Function/notes ............................. 184
Hood
Closing ........................................... 30 1
Display message ............................ 257
Important safety notes .................. 300
Opening ......................................... 300
Horn ................................................... ... 32
Hydroplaning ..................................... 173
I
Ignition lock
see Key positions
Immobilizer .......................................... 74
Indicator lamps
see Warning and indicator lamps
Indicators
see Turn signals
Instrument cluster
Overview .......................................... 33
Settings ......................................... 23 0
Warning and indicator lamps ........... 34
Instrument cluster lighting .............. 231
Interior lighting ................................. 121
Automatic control .......................... 122
Delayed switch-off (on-board
computer) ...................................... 232
Emergency lighting ........................ 122
Manual control ............................... 122
Overview ........................................ 121
Reading lamp ................................. 121
Setting the brightness of the dis-
play/switch (on-board computer) .. 231
J
Jack Storage location ............................ 314
Using ............................................. 357
Jump starting (engine) ...................... 323
K
Key positions
KEYLESS-GO .................................. 149
SmartKey ....................................... 149
KEYLESS-GO
Convenience closing feature ............ 94
Index11
Safety systemsee Driving safety systems
Seat belts
Adjusting the driver's and front-
passenger seat belt ......................... 59
Adjusting the height ......................... 59
Belt force limiters ............................ 60
center rear-compartment seat ......... 59
Cleaning ......................................... 31 2
Correct usage .................................. 57
Emergency Tensioning Devices ........ 60
Fastening ......................................... 58
Important safety guidelines ............. 56
Releasing ......................................... 59
Safety guidelines ............................. 43
Switching belt adjustment on/off
(on-board computer) ...................... 233
Warning lamp ................................. 260
Warning lamp (function) ................... 60
Seats
Adjusting (electrically) ................... 101
Adjusting lumbar support .............. 104
Adjusting the 4-way lumbar sup-
port ............................................... . 104
Adjusting the head restraint .......... 102
Cleaning the cover ......................... 311
Correct driver's seat position ........ 100
Folding the backrest (rear com-
partment) forwards/back .............. 276
Folding the rear bench seat for-
wards/back ................................... 276
Important safety notes .................. 101
Seat heating problem .................... 106
Storing settings (memory func-
tion) .............................................. . 112
Switching seat heating on/off ....... 105
Sensors (cleaning instructions) ....... 309
Service menu (on-board com-
puter) .................................................. 2 30
Service products
Brake fluid ..................................... 377
Coolant (engine) ............................ 378
DEF special additives ..................... 376
Engine oil ....................................... 377
Fuel ............................................... . 373
Important safety notes .................. 373
Refrigerant (air-conditioning sys-
tem) ............................................... 379Washer fluid ................................... 379
Setting the air distribution ............... 140
Setting the airflow ............................ 141
Settings
Factory (on-board computer) ......... 234
On-board computer ....................... 230
Side impact air bag ............................. 47
Side marker lamp (display mes-
sage) ................................................... 245
Side windows
Cleaning ......................................... 30 8
Convenience closing feature ............ 93
Convenience opening feature .......... 93
Important safety information ........... 91
Opening/closing .............................. 92
Problem (malfunction) ..................... 94
Resetting ......................................... 94
Sliding sunroof
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery ....................... 81
Changing the programming ............. 80
Checking the battery ....................... 81
Convenience closing feature ............ 93
Convenience opening feature .......... 93
Display message ............................ 258
Door central locking/unlocking ....... 78
Important safety notes .................... 78
Loss ................................................. 83
Mechanical key ................................ 80
Positions (ignition lock) ................. 149
Problem (malfunction) ..................... 83
Starting the engine ........................ 151
Snow chains ...................................... 335
Sockets
Center console .............................. 285
General notes ................................ 284
Rear compartment ......................... 285
Special seat belt retractor .................. 64
Specialist workshop ............................ 27
Speed, controlling
see Cruise control
Speedometer
Digital ............................................ 224
In the Instrument cluster ................. 33
Segments ...................................... 221
16Index
Selecting the unit of measure-
ment .............................................. 230
see Instrument cluster
SRS (Supplemental Restraint Sys-
tem)
Display message ............................ 239
Introduction ..................................... 43
Warning lamp ................................. 266
Warning lamp (function) ................... 43
Standing lamps
Changing bulbs .............................. 124
Display message ............................ 245
Switching on/off ........................... 118
Start/stop function
see ECO start/stop function
Starting (engine) ................................ 151
Steering (display message) .............. 258
Steering wheel
Adjusting (electrically) ................... 107
Adjusting (manually) ...................... 106
Button overview ............................... 35
Buttons (on-board computer) ......... 221
Cleaning ......................................... 31 1
Important safety notes .................. 106
Paddle shifters ............................... 160
Steering wheel heating .................. 107
Storing settings (memory func-
tion) .............................................. . 112
Steering wheel heating
Problem (malfunction) ................... 108
Switching on/off ........................... 107
Steering wheel paddle shifters ........ 160
Stowage areas ................................... 275
Stowage compartments
Armrest (under) ............................. 275
Cup holders ................................... 282
Glove box ....................................... 275
Important safety information ......... 275
Rear ............................................... 276
Stowage net ................................... 276
Stowage net ....................................... 276
Summer tires ..................................... 334
Sun visor ............................................ 283
Surround lighting (on-board com-
puter) .................................................. 2 31
SUV
(Sport Utility Vehicle) ....................... 25 Switching air-recirculation mode
on/off
................................................. 14 3
T
Tachometer ........................................ 220
Tail lamps
Display message ............................ 244
Tailgate
Display message ............................ 257
Emergency unlocking ....................... 91
Important safety notes .................... 87
Limiting the opening angle ............... 90
Opening dimensions ...................... 380
Opening/closing (automatically
from inside) ...................................... 90
Opening/closing (automatically
from outside) ................................... 88
Opening/closing (from outside) ....... 88
Tank
see Fuel tank
Tank content
Fuel gauge ....................................... 33
Technical data
Capacities ...................................... 373
Emergency spare wheel ................. 369
Information .................................... 372
Tires/wheels ................................. 360
Trailer loads ................................... 381
Vehicle data ................................... 380
TELEAID
Call priority .................................... 291
Downloading destinations
(COMAND) ..................................... 291
Downloading routes ....................... 294
Emergency call .............................. 288
General notes ................................ 287
Geo fencing ................................... 294
Locating a stolen vehicle ............... 293
MB info call button ........................ 290
Remote vehicle locking .................. 292
Roadside Assistance button .......... 289
Search & Send ............................... 292
Self-test ......................................... 28 8
Speed alert .................................... 294
System .......................................... 288
Triggering the vehicle alarm ........... 295
Vehicle Health Check .................... 293
Index17
Center console
Center console, upper section
FunctionPage
:£ Hazard warning
lamps
119
;ATA indicator lamp75
=45 Indicator lamp49
?å ESP®71
AAudio system/COMAND;
see the separate operating
instructions
FunctionPage
Bc
Seat heating105
C¤ ECO start/stop func-
tion
153
Dc PARKTRONIC186
36Center console
At a glance
ProblemPossible causes/consequences and M Solutions
You have lost the
mechanical key.X
Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well.
The engine cannot be
started using the
SmartKey.The on-board voltage is too low.
X Switch off non-essential consumers, e.g. seat heating or i nterior
lighting, and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary
(Y page 319).
or
X Jump-start the vehicle ( Y page 323).
or
X Consult a qualified specialist workshop.
The engine cannot be
started using KEYLESS-
GO. The SmartKey is in
the vehicle.A door is open. Therefore, the SmartKey cannot be detected as
easily.
X Close the door and try to start the vehicle again.
There is interference from a powerful source of radio waves.
X Start your vehicle with the SmartKey in the ignition lock.
Doors
Important safety notes
GWARNING
If children are left unsupervised in the vehicle,
they could:
R open the doors, thus endangering other
people or road users.
R get out and disrupt traffic.
R operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
R release the parking brake.
R shifting the automatic transmission out of
park position P
R Start the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
GWARNING
If persons, particularly children are subjected to prolonged exposure to extreme heat or
cold, there is a risk of injury, possibly even
fatal. Never leave children unattended in the
vehicle.
You should preferably place luggage or loads
in the cargo compartment. Observe the load- ing guidelines ( Y page 274).
Unlocking and opening doors from
the inside
You can open a door from inside the vehicle
even if it has been locked. You can only open
the rear doors from inside the vehicle if they
84Doors
Opening and closing
settings with the memory function
(Y page 112).
Seats
Important safety notes
GWARNING
Children could become trapped if they adjust
the seats, particularly when unattended.
There is a risk of injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Neverleave children unsupervised in the vehicle.
The seats can still be adjusted when there is
no SmartKey in the ignition lock.
GWARNING
You could lose control of your vehicle if you do the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt before starting the engine.
GWARNING
If you adjust the seat height carelessly, you orother vehicle occupants could be trapped and thereby injured. Children in particular could
accidentally press the electrical seat adjust-
ment buttons and become trapped. There is a
risk of injury.
While moving the seats, make sure that your
hands or other body parts do not get under the
lever assembly of the seat adjustment sys-
tem.
GWARNING
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the seat guide rail. There is a risk of injury.
Make sure when adjusting a seat that no onehas any body parts in the sweep of the seat.
Observe the safety notes on "Air bags"
( Y page 44) and "Children in the vehicle" .
! To avoid damage to the seats and the seat
heating, observe the following information:
R keep liquids from spilling on the seats. If
liquid is spilled on the seats, dry them as
soon as possible.
R if the seat covers are damp or wet, do not
switch on the seat heating. The seat
heating should also not be used to dry
the seats.
R clean the seat covers as recommended;
see the "Interior care" section.
R do not transport heavy loads on the
seats. Do not place sharp objects on the
seat cushions, e.g. knives, nails or tools. The seats should only be occupied by
passengers, if possible.
R when the seat heating is in operation, do
not cover the seats with insulating mate-
rials, e.g. blankets, coats, bags, seat cov- ers, child seats or booster seats.
! Make sure that there are no objects in the
footwell under or behind the seats when
moving the seats back. There is a risk that
the seats and/or the objects could be dam- aged.
iThe rear-compartment head restraints
can be removed ( Y page 104).
For more information, contact a qualified
specialist workshop.
iFurther related subjects:
R Cargo compartment enlargement (fold-
ing down the rear bench seat)
(Y page 276)
Adjusting the seats
iVehicles without Memory function: the
seats can be adjusted within three minutes
of a front door being opened.
Seats101
Seats, steering wheel and mirrors
Z
Switching the seat heating on/off
Switching on/off
GWARNING
Repeatedly switching on the seat heating can
cause the seat cushion and backrest pads to
become very hot. The health of persons with
limited temperature sensitivity or a limited
ability to react to excessively high tempera-
tures may be affected or they may even suffer burn-like injuries. There is a risk of injury.
Therefore, do not switch the seat heating on
repeatedly.
The three red indicator lamps in the button
indicate the heating level you have selected.
iIf the battery voltage is too low, the seat
heating may switch off.
Driver's and front-passenger seat
The system automatically switches down
from level 3 to level 2 after approximately
eight minutes.
The system automatically switches down
from level 2 to level 1 after approximately ten
minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
X Make sure that the SmartKey is in position
1 or 2 in the ignition lock ( Y page 149).
X To switch on: press button : repeatedly
until the desired heating level is set.
X To switch off: press button : repeatedly
until all the indicator lamps go out.
Seats105
Seats, steering wheel and mirrors
Z
Problems with the seat heating
ProblemPossible causes/consequences and M Solutions
The seat heating has
switched off prema-
turely or cannot be
switched on.The on-board voltage is too low because too many elect rical con-
sumers are switched on.
X Switch off electrical consumers that you do not need, such as
the rear window defroster or interior lighting.
Steering wheel
Important safety notes
GWARNING
You could lose control of your vehicle if you do
the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt before starting the engine.
GWARNING
If the steering wheel is unlocked while the
vehicle is in motion, it could change position
unexpectedly. This could cause you to lose
control of the vehicle. There is a risk of an
accident.
Before starting off, make sure the steering
wheel is locked. Never unlock the steering
wheel while the vehicle is in motion.
GWARNING
Children could injure themselves if they
adjust the steering wheel. There is a risk of
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Neverleave children unsupervised in the vehicle.
The electrically adjustable steering wheel can
still be adjusted when there is no SmartKey in
the ignition lock.
Adjusting the steering wheel man-
ually
GWARNING
If the steering wheel is unlocked while the
vehicle is in motion, it could change position
unexpectedly. This could cause you to lose
control of the vehicle. There is a risk of an
accident.
Before starting off, make sure the steering
wheel is locked. Never unlock the steering
wheel while the vehicle is in motion.
:Release lever
;To adjust the steering wheel height
=To adjust the steering wheel position
(fore-and-aft adjustment)
X Push release lever : down completely.
The steering column is unlocked.
X Adjust the steering wheel to the desired
position.
X Push release lever : up completely.
The steering column is locked.
X Check if the steering column is locked.
When doing so, try to push the steering
106Steering wheel
Seats, steering wheel and mirrors