identi/cation number
tothe manufacturer. Fur-
th ermore, the manufacturer is subject toproduct
liability. Forth is reason the manufacturer also
uses operational data from theve hicle, fore xa m-
ple, forre calls. These data can also be used to
ex amine the customer's warranty and guarantee
claims.
Fa ult memories in theve hicle can be reset by a
service outl etor at your requ est as part of repair
or maintenance work.
Conv Conv enience and inf ot
enience and inf otainment functions
ainment functions
Yo u can store con venience settings and individual
settings in theve hicle and change or reset them
at any time.
Depending on theve hicle equipment, this
includes thefo llowing settings, fore xamp le:
R seat and steering wheel positions
R suspension and climate control settings
R individual settings, suchas interior lighting
Depending on the selected equipment, you can
import data into vehicle inf otainment functions
yo urself. Depending on
theve hicle equipment, this
includes thefo llowing data, fore xa mpl e:
R multimedia data, suc has music, /lms or pho-
to sfo r playback in an integ rated multimedia
system
R address book data for use in connection with
an integ rated hands-free system or an integ ra-
te d navigation system
R entered navigation destinations
R data about the use of Internet services
These data for con venience and inf otainment
functions may be sa ved locally in theve hicle or
th ey may be located on a device which you ha ve
connected totheve hicle, suc has a smartphone,
USB 0ash drive or MP3 pla yer.Ifyo u ha veentered
th ese data yourself, you can dele tethem at any
time.
This data is transmitted from theve hicle tothird
parties only at your requ est. This applies, in par-
ticular, when you use online services in accord-
ance with the settings that you ha veselected. Smar
Smar tphone int tphone int egr
egr ation (e.g. Andr
ation (e.g. Andr oid A
oid Aut
uto or
o or
Apple CarPlay
Apple CarPlay ®
®
)
)
If yo ur vehicle is accordingly equipped, you can
connect your smartphone or ano ther mobile end
device totheve hicle. You can then control them
by means of the control elements integ rated in
th eve hicle. Images and audio from the smart-
phone can be output via the multimedia system.
Cer tain information is simultaneously transfer red
to your smartphone. Depending on the type and
integ ration, thisincludes position data, day/night
mode and other general vehicle statuses. For
more information please consult the Owner's
Manual of theve hicle/inf otainment system.
This integ ration allo ws the use of selected smart-
phone apps, suc has navigation or music pla yer
apps. There is no fu rther interaction between the
smartphone and theve hicle; in particular, vehicle
data is not directly accessible. The type of addi-
tional data processing is de term ined bythe pro-
vider of the app being used. Which settings you
can make, if an y,depends on the speci/c app and
th e operating system of your smartphone. General no
tes
41 41
A
A
ctiv
ctiv e headlam
e headlamps function ps function R
The headlamps follow the steering mo ve-
ments.
R Releva nt areas are better illumina ted during a
journe y.
The functions are active when the low beam is
switched on.
Depending on theve hicle's equipment, the course
of the lane in which you are driving will also be
ev aluated and the active headlamps function will
adjust the light in advance. Cor Cor
ner
nering light function
ing light function The cornering light impr
ovesth e illumination of
th e car riag ewa yove r a wide angle in the turning
direction, enabling better visibility on tight bends,
fo rex ample. The cornering light can be activated
only when the low beam is switched on.
The function is active in thefo llowing cases:
R Atspeeds below 40 km/h when the turn sig-
nal light is switched on or the steering wheel
is turned
R Atspeeds between 40 km/h and 70 km/h
and when the steering wheel is turned R
R
oundabout and junction function:
oundabout and junction function: the cornering
light will be activated on bo thsides based on an
ev aluation of theve hicle's cur rent navigation posi-
tion. It will remain active until aTer theve hicle has
leT thero undabout or the junction.
Mot
Mot orwa
or wa y mode function
y mode function
Mo torw ay mode increases thera nge and bright-
ness of the cone of light, enabling better visibility. The function will be active if a mo
torw ay journey
is de tected bymeans of:
R theve hicle's speed
R the multifunction camera
R the navigation system Light and sight
145
145
The function is not active in
thefo llowing cases:
R at speeds below 80 km/h
Enhanced f
Enhanced f og light function
og light function
The enhanced fog light function reduces self-daz-
zling and impr ovesth e illumination of the edge of
th e car riag ewa y. The function is automatically activated under
the
fo llowing conditions:
R Atspeeds below 70 km/h and when there ar
fo g light is switched on. The function is automatically deactivated under
th efo llowing conditions:
R When speeds greater than 100 km/h are
re ached.
R When there ar fog light is switched o..
F
F unction of t
unction of t he bad w
he bad weat
eather light
her light
The bad weather light reduces re0ections in rainy
conditions bydimming individual areas of the
headlamps. The driver and other road users are
dazzled less as a result.
The city lighting function
The city lighting function
City lighting impr ovesth e illumination of roadsides
in urban areas using a broad distribution of light.
The function is active in thefo llowing cases:
R Atlow speeds
R In illuminated parts of urban areas
F F unction of t
unction of t he t
he topogr
opogr aphical com
aphical com pensation
pensation
Based on map data, the lighting system responds
pre-e mptively todi.erent road heights. This
means that the headlamp range remains virtually
cons tant when you are driving on uphill or down-
hill gradients. %
Only vehicles with a multimedia system with
navigation ha vethis function.
Assist
Assist ance functions of t ance functions of t he DIGIT
he DIGITAL LIGHT
AL LIGHT
DIGITAL LIGHT visually expands on the driver
assistance systems byprojecting the assistant
displa ysin front of theve hicle while it is in
motion. DIGITAL LIGHT can therefore help the
driver in critical situations.
% The availability of the functions is dependent
on the countr y.
% The assistance functions of the DIGITAL
LIGHT are available on-demand (/ page 24).
The system is active in thefo llowing cases:
R The light switch is in theà position.
R The high beam is switched on.
% Depending on the country in which you are
cur rently driving, cer tain functions may be
disabled due todi.erent legal requ irements,
ev en if they are enabled in the multimedia
system. When a border is crossed, theve hicle
will automatically adapt totheva lid requ ire-
ments. 146
146
Light and sight
The ECO Assist display is hidden again in
thefo l-
lowing cases:
R You do not react tothe ECO Assist recommen-
dation for a long time.
R ECO Assist cannot identify any fur ther recom-
mendations from thero ute ahead.
In addition toave hicle in front ¥, ECO Assist
can de tect thefo llowing route events 2depend-
ing on theve hicle's equipment:
~ Roundabout
¡ S-bend
¢ Sharp bend
£ T-junction
¤ Downhill gradient
¦ Speed limit
ECO Assist can also react toother intersections
or junctions if you activate the turn signal indica-
to r in good time.
% Onroads with an obli gation todrive in a lane
as farto theright as possible, vehicles driving
in the lane toyour leT are also recognised as
ve hicles ahead of you. To
enable ECO Assist toreact tofutu re ro ute
ev ents, the equipment-dependent speed adap ta-
tion functions of Active Distance Assist must be
acti ve (/page 238).
Syst
Syst em limits
em limits
If th e calculated route is adhered towhen route
guidance is active, ECO Assist will operate with
gr eater accuracy. The basic function is also availa-
ble without active route guidance. Not all informa-
tion and tra1c situations can be fore seen. The
qu ality depends on the map data.
% ECO Assist is available aTer driving o., as
soon as the sensor check is comple ted.
The system may be impaired or may not function
in thefo llowing situations:
R Ifth ere is poor visibility, e.g. due toinsu1cient
illumination of thero ad, highly variable shade
conditions, rain, sno w,fog or heavy spr ay.
R Ifth ere is glare, e.g. from oncoming tra1c,
direct sunlight or re0ections.
R Ifth e windscreen is dirty in the vicinity of the
multifunction camera. R
Ifth e multifunction camera is misted up, dam-
aged or obscured.
R Ifro ad signs are hard todetect, e.g. due to
dirt, snow or insu1cient lighting, or because
th ey are obscured.
R Ifth e information in the navigation system's
digital map is incor rect or out-of-date.
R If signs are ambiguous, e.g. road signs in road-
wo rks or in adjacent lanes.
R Ifth era dar sensors are dirty or obscured.
R When you drive on roads with steep uphill or
downhill gradients.
R Ifth ere are nar row vehicles in front, such as
bicycles or mo torc yc les.
A A ctiv
ctiv ating or deactiv
ating or deactiv ating EC
ating ECO Assist
O Assist
Multimedia system:
4 © 5
Settings 5
Assistance
5 Driving #
Activate or deactivate the function. Driving and parking
187
187
If
fatigue or increasing inattention is de tected, the
wa rning appears in the driver displa y:ATTEN-
TION ASSIST: Take a break! .yo u can ackno wl-
edge the message and take a break if necessar y.
If yo u do not take a break and ATTENTION ASSIST
continues todetect increasing lapses in concen-
tration, you will be warned again aTer a minimum
of 15 minutes. The
following information is displa yed in the driv-
er's displa y:
R The length of the journey since the last break
R The attention le vel de term ined byATTENTION
ASSIS T: -
The more segments 2ofthe circle dis-
pla yed, the higher the de tected attention
le ve l.
- Fewe r segments 2are displa yed in the
circle as the attention le vel decreases.
R Microsleep de tection 1status:
- Deactivated: display 1is hidden.
- Activated but not operational: display 1
is grey.
- Activated and operational: display 1is
gr een.
If AT TENTION ASSIST is unable tocalculate the
attention le vel and cannot issue a warning, the
System suspended message appears.
If th e system, which uses the driver camera,
de tects indicators of microsleep, theATTENTION
ASSIST Microsleep Take a break! warning mes-
sage appears in the driver's display and a warning
to ne sounds simultaneousl y.This warning mes-
sage must be con/ rmed byTouch Control. It is
re commended that youta ke a break immediatel y.
If th e driver display sho wsawa rning, a service
area sear chis o.ered in the multimedia system. Yo
u can select a rest area and start navigation to
th is rest area.
If yo ure start theve hicle, ATTENTION ASSIST with
microsleep de tection is automatical lyactivated.
The last selected sensitivity le velre mains stored.
Syst
Syst em limits
em limits
AT TENTION ASSIST is active in the 60 km/h to
200 km/h speed range.
The microsleep de tection function is available at a
speed of 20 km/h and abo ve.
Pa rticular lyin thefo llowing situations, ATTENTION
ASSIST only functions in a restric ted manner and
wa rnings may be dela yed or not occur:
R Ifyo u ha vebeen driving for less than appr ox-
imately 30 minutes.
R Ifth ero ad condition is poor (une venro ad sur-
fa ce or po tholes).
R Ifth ere is a strong side wind.
R Ifyo u adopt a sporty driving style (high corner-
ing speeds or high rates of acceleration).
R Ifth eSt eering Assist function of Active Dis-
ta nce Assist DISTRONIC is active. 226
226
Driving and parking
conditions,
rain, sno w,fog, swirling dust or
heavy spr ay.
R Ifth ere is glare, e.g. from oncoming tra1c,
direct sunlight or re0ections.
R Ifth ere is dirt on the windscreen in the vicinity
of the multifunction camera or if the camera is
misted up, damaged or obscured.
R If tra1c signs are di1cult todetect, e.g. due
to dirt, sno w,ice, insu1cient lighting or driving
to o close totheve hicle in front, or because
th ey are co vered, faded, damaged, badly posi-
tioned or twisted.
R Digital LED tra1c signs may not be de tected
cor rectly or at all due to technical factors,
suchas transmission frequency.
R If signs or thero ad la yout is ambiguous, e.g.
tra1c signs in roadwor ks, at exits and ramp s,
in neighbou ring lanes or parallel roads.
R If signs do not conform tothe standard.
R If signs or road la youts are speci/c tothe
count ry,fo re xamp le, at or be yond construc-
tion sites. R
ATer sharp turns and tight bends, when tra1c
signs are outside the camera's /eld of vision.
R Ifyo uove rtake vehicles with tra1c signs
which are a1xed or attached tothem.
R Ifyo u are using transport equipment secured
with a trailer coupling, suc has a bicycle rack,
th e system may react torestrictions for car/
trailer combinations.
Se
Se tting Speed Limit Assist tting Speed Limit Assist
Multimedia system:
4 © 5
Settings 5
Assistance
5 Assistance 5
Speed Limit Assist
Se
Se tting an additional audible indication
tting an additional audible indication #
Activate or deactivate the function.
Se
Se tting t
tting t he w
he war
arning t
ning t hr
hreshold
eshold
This value de term ines the speed at which a warn-
ing is issued when exceeded. #
Select Warning threshold. #
Set the desired speed. %
When one of thefo llowing systems is active,
th e de tected speed can be manual lyadop ted
as the speed limit:
R Active Distance Assist DISTRONIC
R Cruise control
R Variable limi ter
Fu rther information (/ page 233). T
T
r
ra1c
a1c Sign Assist
Sign Assist F
F
unction of
unction of Tr
Tra1c
a1c Sign Assist
Sign Assist
% This function is an on-demand feature
(/ page 24).
Tr a1c Sign Assist de tects tra1c signs with the
multifunction camera and compares this with
information in the digital navigation map. It assists
yo uby displaying de tected speed limits and over-
ta king restrictions in the driver's display and in
th e head-up displa y.The system can issue a warn-
ing when youex ceed the maximum permissible
speed.
In some countries, the system can pr ovide you
with fu rther functions and can warnyou when you Driving and parking
251 251
Tr
a1c Sign Assist can de tect following additional
signs 3and, if necessar y,anal yseth ere leva nce
of there strictions using other vehicle senso rs:
R when wet
R slippe ryroad sur faces
R infog
R temp orary restrictions
R exits
R restrictions for car/trailer combinations
Tr a1c Sign Assist also uses data from the digital
street map in the navigation system. When you
lea veor enter a municipality or change roads, on
a mo torw ay ex it or slip road fore xamp le, or aTer
yo u turn at a junction, the display in the driver's
display can thus be updated without a tra1c sign
having been de tected.
Depending on vehicle equipment and countr y,the
system can also display speed restrictions ahead
in the driver's display and in the head-up displa y.
The driver's display can also sh owthe distance to
an upcoming lo wer limit speed. Forth is purpose,
information from the digital road map of the navi-
ga tion system is used. The Assistancemenu can also display a dynamic visualisation of
the speed
limits ahead.
If Tra1c Sign Assist cann otdeterm ine the cur-
re ntly applicable maximum permissible speed
(e.g. due tomissing signs), thefo llowing display
appears in the driver's displa y: Tr
a1c Sign Assist is not available in all countries.
If th eve hicle is in a country where Tra1c Sign
Assist is not suppor ted, this is displa yed continu-
ousl y.
% Also obser vethe information on display mes-
sages in Tra1c Sign Assist (/ page 424).
W
W ar ar ning when t
ning when t he maximum per
he maximum per missible speed is
missible speed is
ex
ex ceeded
ceeded
The system can warnyou if you unintentionally
ex ceed the maximum permissible speed. Todo
th is, you can specify in the multimedia system by
how much the maximum permissible speed can
be exceeded before a warning is issued. You can
set thewa rning tovisual only (the tra1c sign 0ashes
thre e times in the driver's display) or vis-
ual and acoustic, including a warning tone.
A
A dditional functions of
dditional functions of Tr
Tra1c
a1c Sign Assis
Sign Assis t (coun-
t (coun-
try
try -speci/c)
-speci/c)
W
W ar
ar ning f
ning f or no-entr
or no-entr y signs:
y signs:Tra1c Sign Assist can
wa rnyou if you drive the wrong way down a sec-
tion of road, fore xamp le on mo torw ay slip roads
or one-w aystreets.
W
W ar
ar ning at pedes
ning at pedestr trian cr
ian crossings: ossings: ifyo u approach
pedestrian crossings, pr ovided that pedestrians
are in the danger zone or are moving towa rds it,
Tr a1c Sign Assist can warnyou up toa speed of
appr oximately 70 km/h.
W
W ar
ar ning at st
ning at st op signs:
op signs: Tra1c Sign Assist can warn
yo u up toa speed of appr oximately 70 km/h if
yo u are about todrive past a stop sign uninten-
tionall y.Fo rth is to be possible, the signs must be
clear, fore xamp le ifthe system de tects more than
one stop sign, or a stop sign can be con/rmed
using the digital navigation map. No warning can
be issued if se veral di.erent signs are de tected.
W
W ar
ar ning at r
ning at r ed lights:
ed lights: Tra1c Sign Assist can warn
yo u up toa speed of appr oximately 70 km/h if Driving and parking
253
253
yo
u are about todrive thro ugh a red light uninten-
tionall y.
The following conditions must be ful/lled:
R Several tra1c lights ha vebeen de tected.
R All tra1c lights de tected are red.
R Atleast one of there d tra1c lights de tected is
on the front passenger side beside theve hi-
cle's own lane.
R The tra1c lights are in thefo llowing sequence
(from topto bottom): red, yello w, green.
% Ifth e function is available, you can activate or
deactivate thewa rnings at pedestrian cross-
ings, stop signs and red lights in theTra1c
Sign Assist menu under Further warnings
(/ page 254).
Syst
Syst em limits
em limits
The system may be impaired or may not function
particular lyin thefo llowing situations:
R If visibility is poor, e.g. due toinsu1cient illu-
mination of thero ad, highly variable shade
conditions, rain, sno w,fog, swirling dust or
heavy spr ay. R
Ifth ere is glare, e.g. from oncoming tra1c,
direct sunlight or re0ections.
R Ifth ere is dirt on the windscreen in the vicinity
of the multifunction camera or if the camera is
misted up, damaged or obscured.
R If tra1c signs are di1cult todetect, e.g.
because they are dirty, co vered, faded, co v-
ered with ice, damaged, badly positioned,
poor lylit or twisted.
R Active tra1c signs with LED displa ysmay not
be de tected cor rectly or at all due to technical
fa ctors, suc has transmission frequency.
R Ifth e information on the navigation system's
digital map is incor rect, incomple teor out of
date.
R If signs or thero ad la yout is ambiguous, e.g.
tra1c signs in roadwor ks, at exits and ramp s,
in neighbou ring lanes or parallel roads.
R If signs do not conform tothe standard.
R If signs or road la youts are speci/c tothe
count ryand deviate from thero ute guidance
in the navigation system, e.g. at or be yond
construction sites. R
ATer sharp turns and tight bends, when tra1c
signs are outside the camera's /eld of vision.
R Ifyo uove rtake vehicles with tra1c signs
which are a1xed or attached tothem.
R Ifyo u are using transport equipment secured
to theve hicle with a trailer coupling, suc has a
bicycle rack ,re strictions for car/trailer combi-
nations may be considered valid if applicable.
Se Se tting tting Tr
Tra1c
a1c Sign Assist
Sign Assist
Multimedia system:
4 © 5
Settings 5
Assistance
5 Assistance 5
Traffic Sign Assist
A
A ctiv
ctiv ating or deactiv
ating or deactiv ating t
ating the speed w
he speed w ar
arning
ning #
Activate or deactivate Speed limit warning .
A
A ctiv
ctiv ating or deactiv
ating or deactiv ating furt
ating furt her functions of Tr
her functions of Traf-
af-
f
f ic Sign Assist
ic Sign Assist #
Switch Further warnings orAdditional warn-
ing tone on or o..
Se Se tting t tting t he w
he war
arning t
ning t hr
hreshold
eshold
This value de term ines the speed at which a warn-
ing is issued when exceeded. 254
254
Driving and parking