If
yo u do not react tothewa rning, autonomous
braking can be initiated in critical situations.
In particular lycritical situations, Active Brake
Assi stcan also initia teautonomous braking
direct ly. Inthis case, thewa rning lamp and warn‐
ing tone occur simultaneously wi th the braking
application.
If yo u apply the brake yourself in a critical situa‐
tion or apply the brake during autonomous brak‐
ing, situation-dependent braking assis tance
occu rs. The brake pressure increases up tomax‐
imum full-s top braking if necessar y.If autonomous braking or situation-dependent
braking assis
tance has occu rred, pop up 1appears in
the driver display and then automati‐
cally goes out af ter a short time.
If th e autonomous braking function or the situa‐
tion-dependent braking assis tance is trig gered,
additional pr eventive measu resfo r occupant
pr otection (PRE-SAFE ®
) may also be initiated. &
WARNING Risk of accident due tolimi‐
te d de tection per form ance of Active
Brake Assi st
Ac tive Brake Assi stcannot al ways clear ly
identify objects and complex traf fic situa‐
tions.
Ac tive Brake Assi stis only an aid. The driver
is responsible for maintaining a suf ficiently
safe di stance totheve hicle in front, vehicle
speed and for braking in good time. #
Alw ays pay careful attention tothe traf‐
fi c situation; do not rely on Active Brake
Assi stalone. #
Be prepared tobrake or swer veif nec‐
essar y. %
IfAc tive Brake Assi stis deactivated, æ
appears in the driver displa y.
If th e sy stem is una vailable or the functions
are restricted, Ä appea rs.
Also obser vethe sy stem limits of Active Brake
Assi st.
The individual subfunctions are available in
th efo llowing speed ranges:
The dis tance warning function issues a warning
in thefo llowing situations:
R From appr oximately 30 km/h, if over se veral
seconds the dis tance maintained totheve hi‐
cle tr avelling in front is insuf ficient forthe
driven speed, theL distance warning
lamp lights up in the driver's displa y.
R From appr oximately 7 km/h, if your vehicle
is critically close toave hicle, cyclist or
pedestrian, you will hear an intermit tent
wa rning tone and theL distance warning
lamp lights up in the driver's displa y.
Ve hicles with PRE-SAFE ®
:depending on
th e count ry, an additional haptic warning 244
Driving and pa rking
R
If a loss of tyre pressure or a defective tyre
has been de tected and displ ayed.
R In complex traf fic situations whe reobjects
cannot always be clearly identified.
R If pedestrians, cyclists or vehicles mo ve
qu ickly into the sensor de tection range.
R Ifro ad users are hidden by other objects or
are located close to other objects.
R Ifth e typical outline of a pedestrian or cyclist
cann otbe distinguished from the back‐
ground.
R If a pedestrian or cyclist is not de tected as
su ch , e.g. due tospecial clo thing or other
objects.
R Ifth e driver's seat belt is not fastened.
R On bends with a tight radius.
% The Active Brake Assi stsensors adjust auto‐
matically while a cer tain dis tance is being
driven af terth eve hicle has been delivered.
Ac tive Brake Assi stis una vailable or only
partially available during thete ach-in proc‐
ess. Setting
Active Brake Assi st
Re quirements:
R The ignition is switched on.
Multimedia sy stem:
4 © 5
Settings 5
Assistance
5 Avoid collision 5
Active Brake Assist #
Select the desired setting.
The setting is retained when the engine is
next star ted.
Deactivating Active Brake Assi st
% It is recommended that you alw ays lea ve
Ac tive Brake Assi stactivated. #
Select Off.
The dis tance warning function, the autono‐
mous braking function and the Evasive Steer‐
ing Assist are deactivated.
When the engine is next star ted, the medium
setting is automatically selected.
% IfAc tive Brake Assi stis deactivated, the
æ symbol appears inthest atus bar of the
multifunction displa y. Tr
af fic Sign Assist Fu
nction of Traf fic Sign Assist
Tr af fic Sign Assi stdetects traf fic signs wi th the
multifunction camera and compares this with
information in the digital navigation map. It
assists youby displaying de tected speed limits
and overtaking restrictions in the driver display
and in the head-up displa y.The sy stem can issue
a wa rning when youexc eed the maximum per‐
missible speed.
In some count ries, the sy stem can pr ovide you
with fur ther functions and can warnyou when
yo u are approaching pedestrian crossings or
when you are about todrive past stop signs or
re d lights unintentionall y.
The camera also de tects and ana lyses traf fic
signs with a restriction indicated byan additional
sign (e.g. when wet).
Tr af fic Sign Assi stonly visualises selected signs
in the driver displa y.Ac tual traf fic signs and
speed limits ha vepriority over traf fic signs and
speed limits shown in the driver displa y. Driving and pa
rking 247
Tr
af fic Sign Assi stcan de tect following addi‐
tional signs 3and, if necessar y,anal ysethe
re leva nce of there strictions using other vehicle
sensors:
R inwe t conditions
R on slippe ryroad sur faces
R infog
R temp orary restrictions
R exits
R limits for car/trailer combinations
Tr af fic Sign Assi stalso uses data from the digital
st re et map in the navigation sy stem. Therefore,
when you lea veor enter a municipality or change
ro ads, on a mo torw ay ex it or slip road forex am‐
ple, or af teryo u turn at a junction, the display in
th e driver display can be updated without a traf‐
fi c sign having been de tected.
If Traf fic Sign Assi stcannot de term ine the cur‐
re ntly applicable maximum pe rmissible speed
(e.g. due tomissing signs), thefo llowing display
appears in the driver display: Tr
af fic Sign Assi stis not available in all coun‐
tries. If theve hicle is in a country where Traf fic
Sign Assi stis not suppor ted, this is displa yed
continuously.
% Also obser vethe information on display mes‐
sages in Traf fic Sign Assi st (/ page 492).
Wa rning when the maximum permissible
speed is exceeded
The sy stem can warnyou if you unin tentionally
exc eed the maximum permissible speed. Todo
th is, you can specify in the multimedia sy stem
by how much the maximum permissible speed
can be exceeded before a warning is issued. Yo u
can set thewa rning tovisual only (the traf fic
sign flashes thre e times in the driver display) or
visual and acoustic, including a warning tone.
Ad ditional functions of Traf fic Sign Assist
(count ry-specific)
Wa rning for no-entry signs: Traf fic Sign Assi st
can warnyou if you drive the wrong way down a section of
road, forex ample on mo torw ay slip
ro ads or one-w aystre ets.
Wa rning at pedestrian crossings: ifyou
approach pedestrian crossings, pr ovided that
pedestrians are in the danger zone or are moving
to wa rds it, Traf fic Sign Assi stcan warnyou up to
a speed of appr oximately 70 km/h.
Wa rning at stop signs: Traf fic Sign Assi stcan
wa rnyou up toa speed of appr oximately
70 km/h if you are about todrive past a stop
sign unintentionall y.Fo rth is to be possible, the
signs must be clear, forex ample if the sy stem
de tects more than one stop sign, or a stop sign
can be confirmed using the digital navigation
map. Nowarning can be issued if se veral dif fer‐
ent signs are de tected.
Wa rning at red lights: Traf fic Sign Assi stcan
wa rnyou up toa speed of appr oximately
70 km/h if you are about todrive thro ugh a red
light unin tentional ly.
The following conditions must be fulfilled:
R Several traf fic lights ha vebeen de tected.
R All traf fic lights de tected are red. Driving and parking
249
R
Atleast one of there d tra ffic lights de tected
is on the front passenger side beside the
ve hicle's own lane.
R The traf fic 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
crossings, stop signs and red lights in the
Tr af fic Sign Assi stmenu under Further warn-
ings (/page 250).
% The assi stance functions of DIGITAL LIGHT
can also warnyou of no-ent rysigns, stop
signs and red lights byprojecting a triangle
onto thero adw ay (/page 157).
Sy stem limits
The sy stem may be impaired or may not function
particular lyin thefo llowing situations:
R If visibility is poor, e.g. due toinsuf ficient illu‐
mination of thero ad, high lyvariable shade
conditions, rain, sno w,fog, swirling dust or
heavy spr ay. R
Ifth ere is glare, e.g. from oncoming traf fic,
di re ct sunlight or reflections.
R Ifth e windscreen in the area of the multi‐
function camera is dirty, or if the camera is
mis ted up, damaged or co vered.
R If tra ffic signs are dif ficult todetect, e.g. due
to dirt, sno w,ice, insuf ficient lighting or driv‐
ing too close totheve hicle in front, or
because they are co vered, faded, damaged,
badly positioned or twis ted.
R Active traf fic signs wi thLED display s may not
be de tected cor rectly or at all due totech ni‐
cal factors, su chas transmission frequenc y.
R Ifth e information on the navigation sy stem's
digital map is incor rect, incomple teor out of
date.
R If signs or thero ad la yout is ambiguous, e.g.
traf fic signs in roadwor ks, at exits and
ra mp s, in neighbouring lanes or parallel
ro ads.
R If signs do not con form tothest andard.
R If signs or road la youts are specific tothe
country and devia tefrom thero ute guidance in
the navigation sy stem, e.g. at or be yond
construction si tes.
R After sharp turns and tight bends, when traf‐
fi c signs are outside the camera's field of
vision.
R Ifyo uove rtake vehicles with traf fic signs
whi chare af fixe d or attached tothem.
R Ifyo u are using transpo rtequipment secured
to theve hicle with a trailer coupling, such as
a bicycle rack ,re strictions for car/trailer
combinations may be considered valid if
applicable.
Setting Traf fic Sign Assist
Multimedia sy stem:
4 © 5
Settings 5
Assistance
5 Assistance 5
Traffic Sign Assist
Ac tivating or deactivating the speed warning #
Activate or deacti vate Speed limit warning .
Setting the type of warning #
Select ´nexttoSpeed limit warning. #
Select Visual & audible orVisual. 250
Driving and pa rking
¸
Green: the sy stem is activated and opera‐
tional. Driver display in
theAssistance menu
If a vehicle is de tected wi thin the monitoring
ra nge, there dwa rning lamp lights up in the cor‐
re sponding outside mir ror.In the Assis tance
menu, the lamp in outside mir ror1 also lights
up red, and the lane in which theve hicle is
de tected is hatched out.
If a vehicle is de tected in the monitoring range
and you swit chon the turn signal indicator in the
cor responding direction, a warning tone sounds
twice and thewa rning lamp flashes red in the re
spective outside mir ror.Re dra dar waves2
are displa yed next toyour vehicle in the assis‐
ta nce graphic.
If th e turn signal indicator remains on, the dis‐
play in the outside mir rorflashes for all other
de tected vehicles, but no fur ther wa rning tone
sounds. If youove rtake a vehicle quickl y,no
wa rning is given.
% Vehicles with active ambient lighting: if
Warning assistance is activated,theAc tive
Blind Spot Assi stwa rning is also accompa‐
nied byambient lighting (/ page162).
Obse rveth e no tes on driving sy stems and your
re sponsibility; you may otherwise failto recog‐
nise dangers (/ page 219). &
WARNING Risk of accident despi te
Ac tive Blind Spot Assi st
Ac tive Blind Spot Assi stdoes not react tothe
fo llowing:
R ifyo uove rtake a vehicle too closely so
th at it is in the blind spot area R
ifve hicles tr avelling at a much faster
speed approach and then ove rtake
Ac tive Blind Spot Assi stmay not give warn‐
ings or inter vene in su chsituations. #
Alw ays pay careful attention tothe traf‐
fi c situation and maintain a safe dis‐
ta nce at the side of theve hicle. Exit
warning
The exitwa rning is an additional function of
Ac tive Blind Spot Assi stand can warnvehicle
occupants attem pting tolea vethest ationary
ve hicle about approaching vehicles. &
WARNING Risk of accident despi teexit
wa rning
The exitwa rning neither reacts tostationary
objects nor tovehicles approaching you at a
great lydif fering speed.
The exitwa rning cannot warndrivers in these
situations. #
Alw ays pay particular attention tothe
traf fic situation when opening the doors 252
Driving and parking
and make sure
there is suf ficient clear‐
ance. If a
vehicle is de tected in the monitoring range,
th ere dwa rning lamp lights up in the cor re‐
sponding outside mir ror.
If a vehicle occupant pulls the door handle on
th e side of thewa rning, a warning tone sounds
twice and the ambient lighting in there spective
door and thewa rning lamps in the cor respond‐
ing outside mir rorflash red.
Ve hicles with MBUX Interior Assistant: the
visual warning begins as soon as the hand of a
ve hicle occupant mo ves in tothe area of the
door.
% Ve
hicles with ambient lighting or active
ambient lighting: theWarning assistance of
th e ambient lighting can be activated and
deactivated (/ page162).
% The warning assis tance can di ffer depending
on the equipment and may vary according to
th e setting.
The exitwa rning is only available when Active
Blind Spot Assi stis activated and up toa maxi‐ mum of
thre e minutes af terth e ignition has
been switched off. The exitwa rning is no longer
av ailable once thewa rning lamp in the outside
mir rorflashes thre e times.
The exitwa rning is only an aid and not a substi‐
tute forth e attention of vehicle occupants. The
re sponsibility for opening and closing the doors
and for leaving theve hicle remains with theve hi‐
cle occupants.
Sy stem limits
Ac tive Blind Spot Assi stmay be limi ted in thefo l‐
lowing situations, in particular:
R ifth ere is dirt on the sensors or the sensors
are obscured
R in poor visibility, e.g. due tofog, heavy rain or
snow
R ifth ere are nar rowvehicles, e.g. bicycles or
mo torbikes
R ifth ero ad has very wide or nar row lanes
R ifve hicles are not driving in the middle of
th eir lane Wa
rnings may be issued in er ror when driving
close tocrash ba rriers or similar continuous lane
borders. Alw ays make sure that there is suf fi‐
cient di stance tothe side forot her traf fic or
obs tacles.
Wa rnings may be inter rupte d when driving along‐
side long vehicles, forex ample lor ries, for a pro‐
longed time.
Ac tive Blind Spot Assi stis not operational when
re ve rsege ar is engaged.
Ac tive Blind Spot Assi stis not operational if
transpo rtequipment, forex ample a trailer or
bicycle rack , is attached tothe trailer hitch and
th e electrical connection has been cor rectly
es tablished.
Ad ditionall y,theex itwa rning may be limited in
th efo llowing situations:
R when the sensors are co veredby adjacent
ve hicles in nar rowparking spaces
R when people approach theve hicle
R intheeve nt of stationary or slowly moving
objects Driving and parking
253
between
theve hicle body and the tyres or
underneath theve hicle. #
Make sure no one is underneath the
ve hicle or in the immediate vicinity of
th e wheel ar ches when theve hicle is
being lo wered. &
WARNING Risk of becoming trapped
due totheve hicle lo wering
Ve hicles with AIRMATIC or le vel control:
when you unload luggage or lea vetheve hi‐
cle, theve hicle firs trises slightly and then
re turns tothe set le vel shortly af terw ards.
Yo u or an yone else in the vicinity of the
wheel ar ches or the underbody could thus
become trapped.
The vehicle can also be lo wered af ter being
loc ked. #
When leaving theve hicle, make sure
th at nobody is in the vicinity of the
wheel ar ches or the underbody. *
NO
TEDama gedue tovehicle lo wering Pa
rts of the body could be damaged when
th eve hicle is lo wered. #
Make sure that there are no obs tacles
such as kerbs underneath or in the
immediate vicinity of the body when the
ve hicle is being lo wered. Re
quirements:
R The vehicle has been star ted.
R The vehicle is not moving fasterthan
60 km/h.
R When the trailer soc ket is contacted (trailer/
bicycle rack ):th eve hicle is not moving faster
th an 30 km/h.
Multimedia sy stem:
4 © 5
ß 5
y
Ra ising theve hicle #
Select t.
The indica tor lamp lights up continuously.
The vehicle is raised tooff-road le vel +1. Yo
ur selection is sa ved. The off-road le vel +1 set
re mains stored even af terth e ignition has been
switched off.
The vehicle is lo wered again in thefo llowing sit‐
uations:
R When driving fasterthan 80 km/h.
R When driving brief ly between 60 km/ h and
80 km/h.
R After selecting a dif fere nt drive program
using theDY NA MIC SELECT switch.
In this case, theve hicle is adjus tedto the
height of the active drive program.
R When the trailer soc ket is contacted (trailer/
bicycle rack ):th eve hicle is moving faster
th an 30 km/h.
Lo weri ngtheve hicle #
Select t.
The indica tor lamp goes out.
The vehicle is adjus tedto the height of the
active drive program. Driving and parking
259
R
Pedestrians or animals approaching theve hi‐
cle from the side.
R Objects placed next totheve hicle.
Obs tacles on the sides are not shown in thefo l‐
lowing situations, forex ample:
R You park theve hicle and switch off the igni‐
tion.
R You open the doors.
Af terth e engine is restar ted, obs tacles must be
de tected again bydriving past them before a
new warning can be issued.
Also obser vethe sy stem limits of thefo llowing
sy stems:
R Reversing camera (/ page 260)
R 360° Camera (/ page 262)
Obser vethe information on vehicle sensors and
cameras; the sy stem otherwise cannot function
proper ly (/ page 220).
Ve hicles with trailer hitch: Parking Assist
PA RKTRONIC is deacti vatedfo rth ere ar zone
when you es tablish an elect rical connection
between your vehicle and a trailer. Problems with
Parking Assist PARKTRONIC
If th ePa rking Assist PARKTRONIC display lights
up redfo r appro ximately 3 seconds and then
goes out, and theé symbol appears in the
driver displa y,Pa rking Assist PARKTRONIC may
ha ve been deactivated due tosignal inter fer‐
ence. Start theve hicle again and check if Park‐
ing Assist PARKTRONIC is working at a dif fere nt
location.
If a warning tone also sounds, it may be due to
one of thefo llowing causes:
R The sensors are dirty: cleanthe sensors
and obser vethe no tes on care of vehicle
parts (/ page 356).
R Parking Assist PARKTRONIC has been
deactivated due toa malfunction: restart
th eve hicle. If the problem persists, consult a
qu alified specialist workshop. Ac
tivating/deactivating Parking Assist
PA RKTRONIC
* NO
TERisk of an accident from objects
at close range Pa
rking Assist PARKTRONIC may not de tect
cer tain objects at close range. #
When pa rking or manoeuvring theve hi‐
cle, pay particular attention toany
objects which are abo veor below the
sensors, e.g. flowe rpots or dr awbars.
The vehicle or other objects could oth‐
erwise be damaged. Re
quirements:
R The camera menu is open.
R Or: Active Parking Assist is active.
R Or: thePA RKTRONIC pop-up window
appears. #
Tap= inthe cent ral displa y.
If th e indicator lamp is lit, Parking Assist
PA RKTRONIC is active. If the indicator lamp is
not lit or theé symbol appears in the instru‐ 270
Driving and pa rking