
Front-passenger seat
Adjusting from the driver's seat .... .110
Fuel
Additives ........................................ 603
Consumption statistics .................. 225
Displaying consumption ................. 313
Displaying the current consump-
tion ................................................ 226
Displaying the range ..................... .226
Driving tips ................................... .174
E10 ................................................ 602
Fuel gauge ....................................... 41
Grade (gasoline) ............................ 602
Important safety notes .................. 602
Problem (malfunction) ................... 171
Refueling ........................................ 168
Tank content/reserve fuel ............. 602
Fuel filler flap
Opening ......................................... 169
Fuel level
Calling up the range (on-board
computer) ...................................... 226
Fuel tank
Capacity ........................................ 602
Problem (malfunction) ................... 171
Fuse allocation chart (vehicle tool
kit) ...................................................... 548
Fuses Allocation chart ............................ .562
Before changing ............................ .562
Dashboard fuse box ....................... 563
Fuse box in the engine compart-
ment .............................................. 563
Fuse box in the rear compartment .. 564
Important safety notes .................. 562 G
Garage door opener Clearing the memory ..................... 530
General notes ................................ 527
Important safety notes .................. 528
Opening/closing the garage door .. 530
Programming (button in the rear-
view mirror) ................................... 528
Gasoline ............................................. 602
Gear indicator (on-board com-
puter) ................................................. .236 Genuine parts
...................................... 30
Glass roof (sunblind) ......................... 104
Glove box .......................................... .512
Google™ Local Search Importing a destination/route ....... 419
Popular Searches ........................... 420
Search .......................................... .418
Search history ............................... 420
Selecting a search position ............ 419
Using as the destination ................ 419
GPS reception ................................... .319
Gracenote ®
Media Database ............ 448 H
Handbrake see Parking brake
HANDS-FREE ACCESS .......................... 93
Harman/kardon ®
Logic 7 ®
sur-
round sound system see Surround sound (harman/
kardon ®
surround sound system)
Hazard warning lamps
Display message ............................ 267
Switching on/off ........................... 126
Head bags
Display message ............................ 248
Operation ......................................... 58
Heading up (navigation) ................... 366
Headlamps Cleaning system (notes) ................ 606
Fogging up ..................................... 128
see Automatic headlamp mode
Head level heating (AIRSCARF) ........113
Headphones Changing batteries ........................ 485
Head restraints
Adjusting ....................................... 111
see NECK-PRO head restraints
Heating
see Climate control
High-beam headlamps
Display message ............................ 252
Switching on/off ........................... 125
Highway information ........................ 369
Hill start assist .................................. 154 Index
13

Adjusting the lumbar support
(COMAND) ....................................
.315
Balance (seat heating) ................... 316
Belt guide ...................................... 111
Cleaning the cover ......................... 545
Correct driver's seat position ....... .108
Important safety notes .................. 109
Multicontour seat .......................... 314
Overview ........................................ 109
Resetting settings .......................... 317
Seat functions (COMAND) ............. 314
Seat heating problem .................... 113
Seat ventilation problem ................ 113
Selecting for adjustment
(COMAND) ..................................... 314
Sliding forward/back ..................... 111
Storing settings (memory func-
tion) ............................................... 119
Switching AIRSCARF on/off .......... 113
Switching seat heating on/off ....... 112
Switching seat ventilation on/off .. 113
Selecting a province ......................... 323
Selecting a state ............................... 323
Selecting stations Radio ............................................. 436
Selector lever
Cleaning ......................................... 545
Positions ........................................ 159
Sending DTMF tones ......................... 389
Sensors (cleaning instructions) ....... 543
Service center see Qualified specialist workshop
Service Center
see Qualified specialist workshop
Service menu (on-board com-
puter) ................................................. .231
Service products Brake fluid ..................................... 604
Coolant (engine) ............................ 605
Engine oil ....................................... 603
Fuel ................................................ 602
Important safety notes .................. 601
Refrigerant (air-conditioning sys-
tem) ............................................... 606
Washer fluid ................................... 606 Settings
Factory (on-board computer) ......... 236
Menu overview .............................. 288
On-board computer ....................... 232
Picture (COMAND) ......................... 473
Sound settings ............................... 296
Setting the air distribution ...............142
Setting the airflow ............................ 143
Setting the audio format Rear Seat Entertainment System ... 496
Setting the language
COMAND ....................................... 308
Rear Seat Entertainment System ... 496
Setting the night design ................... 306
Setting the text reader speed .......... 308
Setting the volume Telephone call s.............................. 296
Video AUX ..................................... 479
SETUP (on-board computer) ............. 236
Side impact air bag ............................. 57
Side windows Cleaning ......................................... 542
Convenience closing feature ............ 99
Important safety information ........... 96
Opening/closing (all) ....................... 98
Opening/closing (front) ................... 97
Opening/closing (rear) .................... 98
Overview .......................................... 96
Problem (malfunction) ................... 100
Resetting ......................................... 99
SIRIUS weather display
5-day forecast ................................ 501
Daily forecas t................................. 500
Detail information .......................... 501
Information chart ........................... 500
Selecting the area for the weather forecast ......................................... 501
Switching on/of f........................... 500
Weather map ................................. 503
SmartKey
Changing the battery ....................... 85
Changing the programming ............. 83
Checking the battery ....................... 85
Convenience opening feature .......... 98
Display message ............................ 268
Door central locking/unlocking ....... 82
Important safety notes .................... 82 22
Index

Center console
Center console, upper section
Function Page
0043
COMAND 291
0044
0072
Seat heating 112
0087
008E
Seat ventilation 113
0085
00CE
AIRSCARF 113
0083
008F
PARKTRONIC 199
0084
002F
Hazard warning
lamps 126 Function Page
006B
0073
PASSENGER AIR BAG
ON/OFF indicator lamp 51
006C
00BB
ESP®
(except AMG
vehicles) 74
00D6
ECO start/stop but-
ton (AMG vehicles) 15544
Center consoleAt a glance

Problem
Possible causes/consequences and
0050
0050Solutions The engine can no lon-
ger be started using the SmartKey. The on-board voltage is too low.
X Switch off non-essential consumers, e.g. seat heating or interior
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 555).
or
X Jump-start the vehicle (Y page 557).
or
X Consult a qualified specialist workshop. The engine can no lon-
ger be started using
KEYLESS-GO. The
SmartKey is in the vehi-
cle. The vehicle is locked.
X Unlock the vehicle 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
G
WARNING
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. Unlocking and opening doors from
the inside
! The side windows will not open/close if
the battery is discharged or if the side win- dows have iced up. It will then not be pos-
sible to close the door. Do not attempt to
force the door closed. You could otherwise
damage the door or the side window.
You can open a door from inside the vehicle
even if it has been locked.
If the vehicle was previously locked with the
SmartKey or with KEYLESS-GO, opening the
vehicle from the inside will activate the anti-
theft alarm system. Switch off the alarm
(Y page 80). 88
DoorsOpening and closing

Seats
Important safety notes
G
WARNING
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. Never leave children unsupervised in the vehicle.
The seats can still be adjusted when there is
no SmartKey in the ignition lock. G
WARNING
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 one
has any body parts in the sweep of the seat.
Observe the safety notes on "Air bags"
(Y page 56) and "Children in the Vehicle"
(Y page 68). G
WARNING
If you adjust the seat height carelessly, you or other vehicle occupants could be trapped andthereby 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. G
WARNING
If head restraints are not installed and adjus-
ted correctly, they cannot provide protection
as intended. There is an increased risk of
injury in the head and neck area, e.g. in the
event of an accident or when braking.
Always drive with the head restraints instal-
led. Before driving off, make sure for every
vehicle occupant that the center of the head restraint supports the back of the head at
about eye level.
G
WARNING
You could lose control of your vehicle if you do the following while driving:
R adjust the driver's seat, steering wheel or
mirrors
R fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, steering wheel or
mirrors and fasten your seat belt before start- ing the engine.
! 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.
! 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. Seats
109Seats, steering wheel and mirrors Z

R
clean the seat covers as recommended;
see "Interior care".
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.
i The head restraints cannot be removed.
For more information, contact a qualified
specialist workshop. Adjusting the seats electrically
0043
Head restraint height
0044 Seat height
0087 Seat cushion angle
0085 Seat cushion length
0083 Seat fore-and-aft adjustment
0084 Backrest angle
i Further related subjects:
R You can store the seat settings using the
memory function (Y page 119).
R If PRE-SAFE ®
is triggered, the front-
passenger seat will be moved to a better position if it was previously in an unfav-
orable position (Y
page 67). Adjusting the front-passenger seat
from the driver’s seat
G
WARNING
The front-air bags for could also injure the
vehicle occupants in the front If the front
seats are positioned too close to the dash-
board or steering wheel. This poses an
increased risk of injury or even fatal injury.
Always adjust the front seats so that they are
as far from the front air bags as possible. Also
observe the notes on the correct adjustment
of the seats.
! Do not move the front-passenger seat
fully forwards if there are objects in the
parcel net in the front-passenger footwell.
The objects could otherwise be damaged. You can use the seat switches on the driver's
side to adjust the front-passenger seat.
X To activate/deactivate: press button0043.
If the indicator lamp in button 0043is lit, you can
access the following functions for the front-
passenger seat:
R seat adjustment
R call up the memory function 110
SeatsSeats, steering wheel and mirrors

You can move the seat forwards in order to
gain better access to the rear compartment,
e.g. to reach the stowage compartment in the
rear (Y page 514).
X Remove the seat belt from the seat belt
guide (Y page 111).
X To move the seat forwards: press0064
on switch 0043.
The seat moves automatically to the fore-
most position.
X To move the seat backwards: press0063
on switch 0043.
The seat moves back to the previous posi-
tion.
X To stop seat movement: press0064or
0063 in the opposite direction. Adjusting the multicontour seat
You can set the multicontour seat using
COMAND (Y page 314). Adjusting the active multicontour
seat
You can set the active the active multicontour seat using COMAND (Y page 314).Adjusting the 4-way lumbar support
You can adjust the 4-way lumbar support
using COMAND (Y page 315). Switching the seat heating on/off
Activating/deactivating G
WARNING
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. Driver's and front-passenger seat
The three red indicator lamps in the button
indicate the heating level you have selected.
The system automatically switches down
from level 3to level 2after approximately
eight minutes.
The system automatically switches down
from level 2to level 1after approximately ten
minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
You can set the distribution of the heated
sections of the seat cushion and backrest
using COMAND (Y page 316).112
SeatsSeats, steering wheel and mirrors

X
Make sure that the SmartKey is in position
1 or 2in the ignition lock.
X To switch on: press button0043repeatedly
until the desired heating level is set.
X To switch off: press button0043repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
heating may switch off.
Problems with the seat heating The seat heating has switched off prema-
turely or cannot be switched on. The vehicle's
electrical system voltage is too low because
too many electrical consumers are switched
on.
X Switch off electrical consumers that you do
not need, such as the rear window
defroster or interior lighting.
X Once the battery is sufficiently charged,
switch on the seat heating again. Switching the seat ventilation on/off
Activating/deactivating The three blue indicator lamps in the buttons
indicate the ventilation level you have selec-
ted. X
Make sure that the SmartKey is in position
2 in the ignition lock.
X To switch on: press button0043repeatedly
until the desired ventilation level is set.
X To switch off: press button0043repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
ventilation may switch off.
i If you open the roof with the SmartKey
(Y page 102), the seat ventilation of the
driver's seat switches on automatically and
the side windows open.
Problems with the seat ventilation The seat ventilation has switched off prema-
turely or cannot be switched on. The vehicle's
electrical system voltage is too low because
too many electrical consumers are switched
on.
X Switch off electrical consumers which you
do not need, such as the rear window
defroster or interior lighting. AIRSCARF
Activating/deactivating G
WARNING
When AIRSCARF is switched on, very hot air
can flow from the vents in the head restraints. This could result in burns in the immediate
vicinity of the air vents. There is a risk of injury.
Reduce the heater output before it becomes
too hot. Seats
113Seats, steering wheel and mirrors Z