Ac
tivating/deactivating the hazard warning
lights #
Press button 1.
The hazard warning lights will switch on auto‐
matically if:
R the airbag has been deplo yed.
R theve hicle is heavily braked from a speed of
more than 70 km/h toast andstill. When
you pull away again, the hazard warning
lights will switch off automatically at appr ox‐
imately 10km/h. You can also swit choff the
hazard warning lights using button 1.
When the turn indicator is activated, the hazard
wa rning lights are inter rupte d. Intelligent Light Sy
stem Intelligent Light Sy
stem function
The MULTIBEAM LED headlamps adapt tothe
driving and weather situation and pr ovide exten‐
ded functions for impr oving illumination of the
ro ad.
The sy stem comprises thefo llowing functions:
R Active headla mps function (→ page150)
R Cor nering light (→ page 151)
R Motorw ay mode (→ page151)
R Enhanced fog light function (→ page151)
R Off- road light (→ page152)
The sy stem is active only when it is dar k.Ac
tive headlamps function R
The headlamps follow thesteering mo ve‐
ments.
R Releva nt areas are better illumina ted during
tra vel.
The functions are active when the dipped beam
is switched on.
Depending on theve hicle's equipment, the
cou rse of the lane in which you are driving is
also evaluated and the active headlamps func‐
tion adjusts the light in advance. 15 0
Light and sight
R
Several transmission tech nologies are used
to accelerate the transfer of the accident
data and impr overeliability of the transmis‐
sion.
R The Mercedes-Benz emer gency call sy stem is
permanently logged in tothe mobile phone
networ k,which ensures faster placement of
th e emer gency call and faster transfer of the
accident data.
Measures forre scue, reco very or towing
aw ay can then be initiated in quickl y.
R With a Mercedes-Benz emer gency call, the
accident data is on ly transferred tothe pub‐
lic coordination cent rewith the appr oval of
th e cus tomer.
In theeve nt of an au tomatically triggered
emergency call in which there is no voice
con tact, the accident data is transmit ted
immediately tothe public emer gency call
centre.
R Should the Mercedes-Benz emer gency call
centre not be available, the11 2 emer gency
call is car ried out automaticall y.Overview of emer
gency call sy stems
Bo th th e Mercedes-Benz emer gency call sy stem
as well as the11 2 emer gency call sy stem (EU
eCall) can help toreduce the time between an
accident and the ar riva l of emer gency services
at the site of the accident. They help locate an
accident site in places that are dif ficult to
access.
Bo th emer gency call sy stems can initiate an
emer gency call au tomatically (→ page 451) or
manually .
Only make emergency calls if you or others are
in need of rescue. Do not make an emergency
call in theeve nt of a breakdown or a similar sit‐
uation.
Messages on the display
The following displa ysappear in the multimedia
sy stem display of the bo themer gency call sys‐
te ms:
R SOS NOT READY: the ignition is not on or
th ere is a malfunction with the emer gency
call sy stem. This does not necessarily indi‐
cate comple tefailure of the emer gency call sy
stem. Emer gency calls call still be trans‐
mit ted.
The display only refers to theve hicle and
does not take account of theav ailability of
mobile phone networ ksand the Mercedes-
Benz emer gency call centre.
The functional readiness of the emer gency
call sy stem on theve hicle can be seen when
th eSOS NOT READY display disappears once
th e ignition is switched on.
R G: The icon appears in the display during
an active emer gency call.
% Ifth ere is a malfunction in the emer gency
call sy stem (e.g. a fault with the speaker,
microphone, airbag, SOS button), a cor re‐
sponding message appears inthe multifunc‐
tion display of the instrument clus ter.
Tr iggering an automatic emer gency call
Re quirements:
R The ignition is switched on.
R The star ter battery is suf ficiently charge d. MBUX multimedia sy
stem 451
Bo
th th e Mercedes-Benz emer gency call sy stem
as well as the11 2 emergency call sy stem (EU
eCall) automatically initiate an emer gency call in
th efo llowing situations:
R After activation of there stra int sy stems such
as airbags or seat belt tensioners af ter an
accident.
R After an auto matically initia ted emer gency
st op byActive Emergency Stop Assist.
The emer gency call has been made:
R Avo ice connection is es tablished with the
emer gency call centre.
R A messa gewith accident data is transmitted
to the emer gency call centre.
The SOS button in theov erhead control panel
fl ashes until the emer gency call is finished.
If no connection can be made tothe public
emer gency services, a cor responding message
appears inthe displa y. #
Dial the11 2 emer gency number or an appro‐
pria telocal emer gency call number on your
mobile phone. If an eme
rgency call has been initiated:
R Remain in theve hicle if thero ad and traf fic
conditions permit youto do so until a voice
connection is es tablished with the emer‐
ge ncy call centre.
R Onthe basis of the call, the emer gency call
centre decides wh ether it is necessary tocall
re scue teams and/or the police tothe acci‐
dent site.
R If no vehicle occupant answers, an ambu‐
lance is sent totheve hicle immediatel y.
Tr iggering a manual emer gency call #
Using the SOS but ton in theove rhead
control panel: pressthe SOS button at least
one second long. #
Using voice control: usethe LINGUA‐
TRONIC voice commands (Link tothe section
with voice commands) (→ page 322).
The emer gency call has been made:
R Avo ice connection is es tablished with an
emer gency call centre.
R Remain in theve hicle if thero ad and traf fic
conditions permit youto do so until a voice connection is es
tablished with the emer‐
ge ncy call centre.
R Onthe basis of the call, the emer gency call
centre decides wh ether it is necessary tocall
re scue teams and the police tothe accident
site.
R A message with accident data is transmit ted
to the emer gency call centre.
If no connection can be made tothe public
emer gency services, a cor responding message
appears inthe display of the multimedia sy stem. #
Dial the11 2 emer gency number or an appro‐
pria telocal emer gency call number on your
mobile phone.
Emer gency call sy stem data transmission
Fo r bo th th e Mercedes-Benz emer gency call sys‐
te m as well as the11 2 emergency call sy stem
(EU eCall) data is transfer redto the Mercedes-
Benz emer gency call centre or the public emer‐
ge ncy services call centre.
Depending on the emer gency call sy stem
(→ page 449) activated dif fere nt da tais trans‐
mit tedto the appropriate emer gency call centre. 452
MBUX multimedia sy stem
Note
s on care of the interior &
WARNING Risk of inju ryfrom pla stic
parts breaking off af terth e use of sol‐
ve nt-based care products
Ca reand cleaning products con taining sol‐
ve nts can cause su rfaces in the cockpit to
become porous. When
the airbags are deplo yed, plastic parts
may break away. #
Do not use any care or cleaning prod‐
ucts containing sol vents toclean the
cockpit. &
WARNING Risk of inju ryor death from
bleached seat belts
Bleaching or dyeing seat belts can se verely
we aken them.
This can, forex ample, cause seat belts to
te ar or fail in an accident. #
Never blea chor dye seat belts. Obser
vethefo llowing information: Note
s on cleaning and car eA voiding vehicle damage
Seat belts Clean with lukewarmand soapy water. R
Do not use chemical cleaning agents.
R Do not dry seat belts byheating them toove r 80 °C or
ex posing them todirect sunlight.
Display Cleanthe sur face carefully wi tha mic rofibre clo thand
TFT/LCD display care product. R
Swit choff the display and let it cool down.
R Do not use any other cleaning products.
Plastic trim R
Clean with a damp microfibre clo th.
R For heavy soiling: use care product recommended by
Mercedes-Benz. R
Do not attach sticke rs,fi lms or similar.
R Do not allow cosmetics, insect repellent or sun cream to
come in contact wi th the plastic trim. Maintenance and care
501
Display messages
Possible causes/consequences and M
MSolutions #
Consult a qualified specialist workshop.
6 Restraint sys. malfunction
Consult workshop *T
herestra int sy stem is faulty (→ page 34). &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or
might not be triggered at all in theeve nt of an accident. This may af fect the seat belt tensioner or airbag, for
ex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. De
tection of a restra int sy stem fault:
R there stra int sy stem warning lamp 6does not light up when the ignition is switched on.
R there stra int sy stem warning lamp 6lights up continuously or repeatedly during a journe y. #
Consult a qualified specialist workshop immediatel y.
6
Front left malfunction Con-
sult workshop (Example) *T
he cor responding restra int sy stem is malfunctioning (→ page 34). &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or
might not be triggered at all in theev ent of an accident. This may af fect the seat belt tensioner or airbag, for
ex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. Display messages and
warning/indicator lamps 575
Display messages
Possible causes/consequences and M
MSolutions
De tection of a restra int sy stem malfunction:
R there stra int sy stem warning lamp 6does not light up when the ignition is switched on.
R there stra int sy stem warning lamp 6lights up continuously or repeatedly during a journe y. #
Consult a qualified specialist workshop immediatel y.
6
Left windowbag malfunc-
tion Consult work-
shop (Example) *T
he cor responding windowbag is malfunctioning (→ page 34). &
WARNING Risk of inju ryor fata l injury due toa malfunction in the window airbag
The window airbag might be triggered unintentionally or might not be triggered at all in theeve nt of an accident
wi th high deceleration. #
Have the window airbag checked and repaired immediately at a qualified specialist workshop. #
Consult a qualified specialist workshop immediatel y.
Front-passenger airbag
enabled See Owner's Man-
ual *T
he front passenger airbag is enabled while theve hicle is in motion:
R even when a child, a small adult or an object weighing less than the sy stem weight thre shold is located on the
front passenger seat
R even when the front passenger seat is not occupied
The sy stem may de tect objects or forc es that are adding tothewe ight applied tothe seat. 576
Displaymessa ges and warning/indicator lamps
Display messages
Possible causes/consequences and M
MSolutions &
WARNING Risk of inju ryor fata l injury when using a child restra int sy stem while the front passenger airbag
is enabled
If yo u secure a child in a child restra int sy stem on the front passenger seat and the front passenger airbag is
enabled, the front passenger airbag can deploy in theeve nt of an accident.
The child could be stru ck bythe airbag. #
Ensure, bo thbefore and during the journe y,that thest atus of the front passenger airbag is cor rect.
NEVER use a rear wa rdfacing child restra int on a seat pr otected byan ACTIVE FRONT AIRB AGin front of it;
DE ATH or SERIOUS INJU RYtotheCH ILD can occur. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Check thest atus of the automatic front passenger airbag shutoff (→ page44). #
If necessar y,consult a qualified specialist workshop immediatel y.
Front-passenger airbag dis-
abled See Owner's Manual *T
he front passenger airbag has been deactivated although an adult or a person with an adult stature is on the front
passenger seat. If additional forc es are applied tothe seat, thewe ight the sy stem de tects may be too lo w. &
WARNING ‑ Risk of inju ryor eve nfa ta l injury when the front passenger airbag is disabled
If th e front passenger airbag is disabled, It will not be deplo yed in theeve nt of an accident and cannot pe rform
its intended pr otective function.
A person in the front passenger seat could then, forex ample, come into con tact wi th theve hicle interior, espe‐
cially if the person is sitting too close tothe dashboard. Display messages and
warning/indicator lamps 577
Display messages
Possible causes/consequences and M
MSolutions #
Beaware of thest atus of the front passenger airbag bo thbefore and during the journe y. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Check thest atus of the automatic front passenger airbag shutoff (→ page44). #
If necessar y,consult a qualified specialist workshop immediatel y.
Active Brake Assist Func-
tions limited See Owner's
Manual *
Ve hicles with Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE ®
PLUS is malfunctioning.
Ve hicles without Driving Assistance Package: Active Brake Assi stis malfunctioning. #
Consult a qualified specialist workshop.
Active Brake Assist Func-
tions currently limited See
Owner's Manual *
Ve hicles with the Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE ®
PLUS are temp orarily una vailable or only partially available.
Ve hicles without the Driving Assistance pa ckage: Active Brake Assi stistemp orarily una vailable.
The ambient conditions are outside the sy stem limits . #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again. #
Ifth e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine.
PRE-SAFE inoperative See
Owner's Manual *
PRE‑SAFE ®
functions are malfunctioning. #
Consult a qualified specialist workshop. 578
Displaymessa ges and warning/indicator lamps