
eration, lateral acceleration, display of
fas‐
te ned seat belts)
R malfunctions or faults in impor tant sy stem
components (e.g. lights, brakes)
R information on events leading tovehicle
damage
R system reactions in special driving situations
(e.g. airbag deployment, inter vention of sta‐
bility control sy stems)
R ambient conditions (e.g. temp erature, rain
sensor)
In addition toprov iding the actual control unit
function, this data assists the manufacturer in
de tecting and rectifying faults and optimising
ve hicle functions. The majority of this data is
te mp orary and is only processed in theve hicle
itself. Only a small portion of the data is stored
in theev ent or fault memor y.
When your vehicle is serviced, tech nical da ta
from theve hicle can be read out byservice net‐
wo rkemplo yees (e.g. workshops, manufactur‐
ers) or third parties (e.g. breakdown services).
Services include repair services, maintenance
processes, warranty claims and quality assur‐ ance measures,
forex ample. The read out is per‐
fo rm ed via the legally prescribed port forthe
diagnostics connection in theve hicle. The
re spective service network locations or third
parties collect, process and use the data. They
document tech nical statuses of theve hicle,
assist in finding faults and impr oving quality and
are transmit tedto the manufacturer, if neces‐
sar y.Fu rthermore, the manufacturer is subject
to product liability. Forth is, the manufacturer
re qu ires tech nical da tafrom vehicles.
Fa ult memories in theve hicle can be reset by a
service outlet as part of repair or maintenance
wo rk.
Depending on the selected equipment, you can
import data into vehicle con venience and info‐
ta inment functions yourself.
This includes, forex ample:
R multimedia data such as music, films or pho‐
to sfo r playback in an integrated multimedia
sy stem
R address book data for use in connection with
an integrated hands-free sy stem or an inte‐
grated navigation sy stem R
entered navigation destinations
R data about the use of internet services
This data can be sa ved locally in theve hicle or it
is located on a device which you ha veconnected
to theve hicle (e.g. a smartphone, USB flash
drive or MP3 pla yer). If this data is stored in the
ve hicle, you can dele teit at any time. This data
is sent tothird parties only at your requ est, par‐
ticular lywhen you use online services in accord‐
ance with the settings that you ha veselected.
Yo u can store or change con venience settings/
individualisations in theve hicle at any time.
Depending on the equipment, this includes, for
ex ample:
R settings forth e seat and steering wheel posi‐
tions
R suspension and climate control settings
R customisations such as interior lighting
If yo ur vehicle is accordingly equipped, you can
connect your smartphone or ano ther mobile end
device totheve hicle. You can cont rolth is by
means of the control elements integrated in the
ve hicle. Images and audio from the smartphone 34
General no tes

A pe
rson in the front passenger seat could
th en, forex ample, come into con tact wi th
th eve hicle interior, especially if the person is
sitting too close tothe cockpit.
If th e front passenger seat is occupied,
alw ays ensure that:
R The classification of the person in the
front passenger seat is cor rect and the
front passenger airbag is enabled or disa‐
bled in accordance with the person in the
front passenger seat.
R The front passenger seat has been mo ved
as far back as possible.
R The person is seated cor rectl y. #
Ensu re, bo thbefore and during the jour‐
ne y,that thest atus of the front
passenger airbag is cor rect. If
th e front passenger seat is occupied, the clas‐
sification of the person or child restra int sy stem
on the front passenger seat take s place af terthe
front passenger airbag shutoff self-test. The
PA SSENGER AIR BAG indicator lamps display the
st atus of the front passenger airbag. Alw
ays obser vethe no tes on the function of the
PA SSENGER AIR BAG indicator lamps
(/ page 47).
Fu nction of thePA SSENGER AIR BAG indica‐
to r lamps Ve
hicles without automatic front passenger air‐
bag shutoff ha vea special sticke r af fixe dto the side of
the cockpit on the front passenger side
(/ page 73).
Self-test of automatic front passenger airbag
shutoff
When the ignition is switched on, a self-test is
per form ed during which the two PASSENGER
AIR BAG ON and OFF indicator lamps light up
simul taneously.
The status of the front passenger airbag is dis‐
pla yed af terth e self-tes t:
R PASSENGER AIR BAG ON lights up for
60 seconds, subsequently bo thindicator
lamps are off (PASSENGER AIR BAG ON and
OFF): the front passenger airbag is able to
deploy in theeve nt of an accident.
R PASSENGER AIR BAG OFF lights up continu‐
ously: the front passenger airbag is disabled.
It will then not be deplo yed in theev ent of an
accident.
If th ePA SSENGER AIR BAG ON indicator lamp is
off, on lythePA SSENGER AIR BAG OFF indicator
lamp sho ws thest atus of the front passenger
airbag. The PASSENGER AIR BAG OFF indicator
lamp may be lit continuously or be off. Occupant saf
ety47

#
Alw ays mo vethe front passenger seat
as far back as possible and fully retract
th e seat cushion length adjustment.
Alw ays make sure that the shoulder belt
st ra p is cor rectly routed from the seat
belt outlet on theve hicle tothe shoul‐
der belt guide on thech ild restra int sys‐
te m. The shoulder belt stra p must be
ro uted forw ards and down wards from
th e seat belt outlet. If necessar y,adjust
th e seat belt outlet and the front
passenger seat accordingly. #
Alw ays obser vethech ild restra int sys‐
te m manufacturer's ins tallation instruc‐
tions. When
fitting a child restra int sy stem tothe front
passenger seat, obser vetheve hicle-specific
information (/ page74).
If a person is sitting on the front passenger
seat: PASSENGER AIR BAG OFF may be lit con‐
tinuously or be off, depending on the person's
st ature. A person on
the front passenger seat must
alw ays obser vethefo llowing information:
R Ifth e front passenger seat is occupied byan
adult or a person with a stature cor respond‐
ing tothat of an adult, thePA SSENGER AIR
BA G OFF indicator lamp must be off. This
indicates that the front passenger airbag is
enabled.
If th ePA SSENGER AIR BAG OFF indicator
lamp is lit continuousl y,an adult or person
with a build cor responding tothat of an adult
should not use the front passenger seat.
Ins tead, they should use a rear seat.
R Ifth e front passenger seat is occupied by a
person of smaller stature (e.g. a teenager or
small adult), thePA SSENGER AIR BAG OFF
indicator lamp either lights up continuously
or remains off, depending on there sult of the
classi fication.
- Ifth ePA SSENGER AIR BAG OFF indicator
lamp is off: mo vethe front passenger
seat as far back as possible, or the per‐
son of smaller stature should use a rear
seat. -
Ifth ePA SSENGER AIR BAG OFF indicator
lamp is lit continuously: the person of
smaller stature should not use the front
passenger seat. &
WARNING Risk of inju ryor death when
th ePA SSENGER AIR BAG OFF indicator
lamp is lit
If th ePA SSENGER AIR BAG OFF indicator
lamp remains lit af terth e sy stem self-test,
th e front passenger airbag is disabled. It will
not be deplo yed in theeve nt of an accident.
In this case, the front passenger airbag can‐
not per form its intended pr otective function,
e.g. when a person is seated in the front
passenger seat.
That person could, forex ample, come into
con tact wi th theve hicle interior, especially if
th e person is sitting too close tothe cockpit.
If th e front passenger seat is occupied,
alw ays ensure that:
R The classification of the person in the
front passenger seat is cor rect and the Occupant saf
ety49

PRE-SAFE
®
PLUS can implement thefo llowing
measures independently of each other:
R Tightening the seat belts on the driver's seat
and front passenger seat.
R Activating there ar hazard warning lights at a
higher flashing frequenc y.
R Increasing brake pressure when theve hicle
is stationar y.This brake application is cancel‐
led automatically when theve hicle pulls
aw ay.
If an accident did not occur, the pre-em ptive
measures that we retake n are reve rsed.
Sy stem limits
The sy stem will not initiate any action in thefo l‐
lowing situations:
R when reve rsing
or
R when theve hicle is towing a trailer and there
is a risk of a rear impact The sy
stem will not initiate any braking applica‐
tion in thefo llowing situations:
R whilst driving
or
R when entering or exiting a parking space
while using Active Parking Assist Fu
nction of PRE-SAFE ®
Impulse Side If an imminent side impact is de
tected, PRE-
SA FE®
Impulse Side can pre-emptively mo vethe
front seat vehicle occupant's upper body
to wa rdsth e cent reoftheve hicle. It does this by
ra pidly inflating an air cushion in the outer seat
side bols ter of the seat backrest on the side on
which the impact is anticipated. This increases
th e dis tance between the door and theve hicle
occupant.
If PRE-SAFE ®
Impulse Side has been deplo yed or
is faulty, thePRE-SAFE impulse side inoperative
See Owner's Manual (/page 633) display mes‐
sage appears. Au
tomatic measures af ter an accident
Depending on the type and se verity of the acci‐
dent, and depending on theve hicle's equipment,
th efo llowing measures can be implemen ted, for
ex ample:
R automatic braking (post-collision brake)
R activating the hazard warning lights
R triggering an automatic emer gency call
(/ page 468)
R switching off the engine
To restart theve hicle, switch the ignition off
and switch it back on (/ page174).
Depending on the type and se verity of the
accident, it is possible that theve hicle can
no longer be star ted.
R switching off the fuel supply
R unlocking theve hicle doors
R lowe ring the side windo ws
R displaying the emer gency guide in the multi‐
media sy stem display
R switching on the interior lighting Occupant saf
ety51

Interior lighting
Ad
justing the in terior lighting Fr
ont overhead control panel 1
003D Front left reading lamp
2 0033 Automatic interior lighting control
3 004A Front interior lighting
4 0042 Rear interior lighting
5 003D Front right reading lamp #
Toswitch on or off: press button1–5
accordingly. Control panel in
there ar comp artment 1
003D Rear reading lamp #
Toswitch on or off: press button1. Ad
justing the ambient lighting Multimedia sy
stem:
4 © 5
Settings 5
Lights
5 Ambient lighting
Setting the colour #
Select Colour. #
Set the desired colour. %
There are 64colours available.
Ad justing the brightness #
Select Brightness .
Ad just the brightness.
Ac tivating the brightness for zones #
Select Brightness . #
Select Brightness zones .
Ac tivating multi-coloured lighting #
Select Colour. #
Select Multi-colour.
The reare ten preset colour combinations
av ailable. #
Select a colour combination.
Ac tivating multi-coloured animation #
Select Colour. #
Select Multi-colour animat..
The chosen colour combination will change
at predefined inter vals. Light and sight
14 9

Ac
tivating welcome lighting #
Select Colour. #
Select Welcome.
When theve hicle is unloc ked, a special ambi‐
ent lighting sequence will run.
Ac tivating dependency on air conditioning
settings #
Select Colour. #
Select Climate.
If ch anges are made tothete mp erature set‐
ting in theve hicle, the colour of the ambient
lighting will change brief ly. Switching
the interior lighting switch-off
delay time on/off Multimedia sy
stem:
4 © 5
Settings 5
Lights
5 Int. light. del. sw. off #
Switch the lighting switch-off delay time on
or off.
When this function is active, the interior light‐
ing is lit up for short time af terth eve hicle
has been loc ked. Wi
ndscreen wipers and windscreen washer
sy stem Switching
the windscreen wipers on/off 0047
005AWindsc reen wipers off
0048 0062 Automatic wiping, normal
0049 0063 Automatic wiping, frequent 15 0
Light and sight

Interaction area
for operating the sear chlight #
Toswitch on: reach across the front
passenger seat with your hand.
The sear chlight is switched on forth e driver. #
Toswitch off: take your hand back away
from the front passenger seat.
The sear chlight is switched off again. Settings
for the MBUX In terior Assistant
Multimedia sy stem:
4 © 5
Settings 5
System
5 Interior assistant #
Toswitch on full functionality of the
MBUX Interior Assistant: selectOn.
The option is activated 003B. #
Toactivate additional functions forre ad‐
ing and sear chlights: selectIncluding read-
ing light.
When the option is switched on, the display
button is activated.
The functions forth ere ading and sear ch
lights are activated in addition tothe pr oxim‐
ity functions. #
Toswitch off the MBUX Interior Assis‐
tant: select Off.
The option is activated 003B. Main functions
Calling up applications
1
y button
Calls up vehicle functions
2 z button
Calls up navigation
3 | button
Calls up radio or media
4 002B button
Calls up thete lephone
5 ß button 348
MBUX multimedia sy stem

Kickd
own.................................................1 96
Using ................................................... 19 6
Knee airbag ................................................ 42 L
Lamp see In terior lighting
Lamps (instrument display) see Warning/indicator lamps
Lane de tection (au tomatic)
see Active Lane Keeping Assist
Lane Keeping Assist
see Active Lane Keeping Assist
Language .................................................. 377
No tes ................................................... 377
Setting ................................................. 377
LED light see In telligent Light Sy stem
Le vel control sy stem
see AIRMATIC
see E- ACTIVE BODY CONTROL
Light switch Overview .............................................1 40Lighting
see Interior lighting
see Lights
Lights ........................................................ 14 0
Ac tive headla mps ................................ 14 3
Ad aptive Highbeam Assist .................. .145
Ad justing the instrument lighting ........ 306
Au tomatic driving lights ....................... 141
Combination swit ch............................. 14 2
Corne ring light ..................................... 14 4
Driving ab road (symm etrical low
beam) .................................................. 14 0
Fo g light (extended range) ................... 14 4
Haza rdwa rning lights .......................... 14 3
Headla mpflasher ................................ 14 2
High beam ........................................... 14 2
Intellige nt Light Sy stem ....................... 14 3
Light switch .........................................1 40
Low beam ............................................ 14 0
Mo torw ay mode .................................. 14 4
Off-road light ....................................... 14 5
Pa rking lights ...................................... .140
Re ar fog light ....................................... 14 0
Re sponsibility for lighting sy stems ...... 14 0
Setting the dipped beam ..................... 14 8Setting
theex terior lighting switch-
off delay time ...................................... 14 8
St anding lights .................................... .140
Switching the sur round lighting
on/off ................................................ .148
Tu rn signal lights ................................. 14 2
Limiter ...................................................... 226
Ac tivating ............................................ 227
Buttons ................................................ 227
Calling up a speed ............................... 227
Deactivating ........................................ 227
Fu nction .............................................. 226
Pa ssive mode ...................................... 226
Pe rm anent setting .............................. .229
Re quirements ...................................... 227
Selecting ............................................ .227
Setting a speed ................................... 227
St oring a speed ................................... 227
Sy stem limitations ...............................2 26
Limiting speed see Limi ter
Limiting the opening angle (tailgate) ...... 92
LINGU ATRO NIC ........................................ 315
Au dible help functions .........................3 18 Index
727