warning light MERCEDES-BENZ E-CLASS COUPE 2018 Service Manual

Setting
theve hicle le vel &
WARNING Risk of accident because
ve hicle le vel is too high
If yo u drive at a higher vehicle le vel,th e driv‐
ing characteristics may be impaired due to
th e higher vehicle centre of gravity.
The vehicle can drift outwards, forex ample,
when steering or cornering. #
Alw aysch oose a vehicle le vel which is
suited tothe driving style and thero ad
sur face conditions. &
WARNING Risk of entrapment from vehi‐
cle lo wering
When lo wering theve hicle, other people
could become trapped if their limbs are
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 you lo werthe
ve hicle. &
WARNING Risk of entrapment from vehi‐
cle lo wering
Ve hicles with AIR BODY CONT ROL or
le ve l control sy stem: When you unload lug‐
ga ge or lea vetheve hicle, theve hicle first
ri ses slightly and then returns 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. Re
quirements:
R The vehicle has been star ted.
R The vehicle must not be moving fasterthan
60 km/h. Ra
ising theve hicle #
Press button 1.
Indica tor lamp 2lights up.
The vehicle is set tothe high le vel.
Yo ur selection is sa ved. 220
Driving and parking

#
Select Warn early. #
Activate Oor deacti vate ª the function.
Ac tivating/deactivating audio fadeout
Yo u can specify whe ther thevo lume of a media
source in the multimedia sy stem is tobe
re duced when Parking Assist PARKTRONIC gives
an audible warning. #
Select Audio fadeout during warning tones .#
Activate Oor deacti vate ª the function. Re
versing camera Fu
nction of there ve rsing camera If
yo u ha veactivated the function in the multime‐
dia sy stem, the image from reve rsing camera 1
is displa yed in the multimedia sy stem when
re ve rsege ar is selec ted. Dynamic guide lines
show the path theve hicle will take with the
st eering wheel in its cur rent position. This helps yo
uto orient yourself and to avoid obs tacles
when reve rsing.
The reve rsing camera is only an aid. It is not a
substitute foryo ur attention tothe sur roundings.
The responsibility for safe manoeuvring and
parking remains with you. Make sure that there
are no persons, animals or objects etc., in the
manoeuvring area while manoeuvring and park‐
ing.
Yo u can select from thefo llowing vie ws:
R Normal view
R Wide-angle view
R Trailer view
The area behind theve hicle is displa yed as a
mir ror image, as in the inside rearview mir ror.
Sy stem limitations
The reve rsing camera will not function or will
only partially function in thefo llowing situations:
R Ifth e boot lid or tailgate is open.
R There is heavy rain, snow or fog.
R The light conditions are poor, e.g. at night. Driving and parking
225

2
Red guide line at a dis tance of appr oximately
0.3 m tothe ball head of the trailer hitch
3 Ball head of the trailer hitch
Ve hicles with Active Parking Assist
The following camera vie wsare available in the
multimedia sy stem: Normal view
1 Yellow lane marking the course the tyres will
ta ke atthe cur rent steering wheel angle
(dynamic)
2 Yellow guide line, vehicle width (driven sur‐
fa ce) depending on the cur rent steering
wheel angle (dynamic) 3
Red guide line at a dis tance of appr oximately
0.3 m from there ar area
4 Yellow warning display of Parking Assist
PA RKTRONIC: obstacles are at a dis tance of
between appr oximately 0.6 m and 1.0 m
5 Redwa rning display of Parking Assist
PA RKTRONIC: obstacles are very close
(appr oximately 0.3 m or less)
6 Orange warning display of Parking Assist
PA RKTRONIC: obstacles are a medium dis‐
ta nce away (between appr oximately 0.3 m
and 0.6 m)
% Ifth e entire sy stem fails, the inner segments
of thewa rning display are shown in red. The
indicator lamp on thePA RKTRONIC but ton
lights up and theé symbol appears in
th e multifunction displa y.
If th e sy stem fails in there ar:
R The rear segments are shown in red
when reve rsing.
R The rear segments are hidden when driv‐
ing forw ards. When
Active Parking Assist is active, the
lanes are displa yed in green.
If Pa rking Assist PARKTRONIC is deacti vated,
th ewa rning display fades out. Wi
de-angle view Driving and parking
227

To
p view 1
Lane indicating thero ute theve hicle will
ta ke with thesteering wheel in its cur rent
position
2 Yellow warning display of Parking Assist
PA RKTRONIC: obstacles at a dis tance of
appr oximately 1.0 m or less
3 Your vehicle from abo ve
If th e dis tance tothe object lessens, the colour
of wa rning display 2changes. From a dis tance
of appr oximately 0.6 m thewa rning display is
shown in orange. From a dis tance of appr ox‐
imately 0.3 m thewa rning display is shown in
re d. When
Parking Assist PARKTRONIC is operational
and no object is de tected, the segments of the
wa rning display are shown in grey.
% Ifth e entire sy stem fails, the segments of
th ewa rning display are shown in red. The
indicator lamp on thePA RKTRONIC but ton
lights up and theé symbol appears in
th e multifunction displa y.
If th e sy stem fails at there ar, the display of
th e segments changes as follo ws:
R The rear segments are shown in red
when reve rsing.
R The rear segments are hidden when driv‐
ing forw ards.
If Pa rking Assist PARKTRONIC is deacti vated,
th ewa rning display fades out. Guide lines 1
Yellow lane marking the course the tyres will
ta ke atthe cur rent steering wheel angle
(dynamic)
2 Yellow guide line, vehicle width (driven sur‐
fa ce) depending on the cur rent steering
wheel angle (dynamic)
3 Red guide line at a dis tance of appr oximately
0.3 m from there ar area
4 Mark at a distance of appr ox.1. 0 m
% When Active Parking Assist is active, the
lanes are displa yed in green. Driving and parking
229

Tr
af fic Sign Assi stis not available in all coun‐
tries. If it is una vailable, display 1is shown in
th e speedome ter.
Wa rning when app roaching pedestrian cross‐
ings (vehicles with Driving AssistancePack‐
age)
The sy stem can warnyou if you approach a
pedestrian crossing with your vehicle. A mes‐
sage appears inthe instrument clus ter. The
warning occurs if appropriate traf fic signs or
ro ad markings are recognised and pedestrians
are present in the danger zone.
Sy stem limitations
The sy stem may be impaired or may not function
in thefo llowing situations:
R Ifth ere is poor visibility, e.g. due toinsuf fi‐
cient illumination of thero ad, if there are
highly variable shade conditions or in rain,
sno w,fog 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 Ifth e tra ffic signs are hard todetect, e.g. due
to dirt or sno w,or because they are co vered
or due toinsuf ficient lighting.
R Ifth e information in the navigation sy stem's
digital map is incor rect or out-of-da te.
R Ifth e signs are ambiguous, e.g. tra ffic signs
on con stru ction sites or in adjacent lanes.
R Ifyo u turn sharply when traf fic signs are out‐
side the camera's field of vision.
Setting Traf fic Sign Assist
Multimedia sy stem:
Vehicle kAssistance Traffic Sign
Assist
Ac tivating/deactivating automatic adoption
of speed limits
Re quirements:
R Active Dis tance Assi stDISTRONIC is acti va‐
te d. 246
Driving and pa rking

#
Select Adopt limit . #
Activate Oor deacti vate ª the function.
The speed limits de tected byTraf fic Sign
Assi stare automatically adop tedby Active
Dis tance Assi stDISTRONIC.
Displ aying de tected traf fic signs in the
media display #
Select Display in COMAND .#
Activate Oor deacti vate ª the function.
% When DISTRONIC, cruise control or theva ri‐
able limiter are activated, the speed de tec‐
te d can be manually adop ted as the speed
limit (→ page 207).
Ad justing the type of warning #
Select Visual & audible ,Visual orNone.
Ad justing the warning threshold
This value de term ines the speed at which a
wa rning is issued when exceeded. #
Select Warning threshold. #
Set the desired speed. Blind Spot Assist and
Active Blind Spot
Assi st Fu
nction of Blind Spot Assist and Active
Blind Spot Assi stwith exitwa rning
Blind Spot Assist and Active Blind Spot Assi st
use two lateral, rear-facing radar sensors to
monitor the area up to40 m behind your vehicle
and 3 m directly next to yourvehicle.
If a vehicle is de tected at speeds ab ove appr ox‐
imately 12km/h and this vehicle subsequently
enters the monitoring range di rectly next to your
ve hicle, thewa rning lamp in the outside mir ror
lights up red.
If a vehicle is de tected close tothe side of your
ve hicle, there dwa rning lamp in the outside mir‐
ro rflashes. If you swit chon the turn signal indi‐
cator in the cor responding direction, a warning
to ne sounds once. If the turn signal indicator
re mains switched on, all other de tected vehicles
are indicated only bytheflashing of thered
wa rning lamp.
If yo uove rtake a vehicle quickl y,no warning is
given. &
WARNING Risk of accident despi teBlind
Spot Assi st
Blind Spot Assi stdoes not react tovehicles
approaching and overtaking you at a greatly
di fferent speed.
As a result, Blind Spot Assist cannot warn
drivers in this situation. #
Alw ays pay careful attention tothe traf‐
fi c situation and maintain a safe dis‐
ta nce at the side of theve hicle. Blind Spot Assist and
Active Blind Spot Assi st
are on lyaids. They may failto detect some vehi‐
cles and are no substitute for attentive driving.
Alw ays ensure that there is suf ficient di stance to
th e side forot her road users and obs tacles.
Exit warning
The exitwa rning is an additional function of
Blind Spot Assist and can warnvehicle occu‐
pants about approaching vehicles when leaving
th eve hicle when stationar y. Driving and pa
rking 247

The course-cor
recting brake application is availa‐
ble in the speed range between appr oximately
30 km/h and 200 km/h. &
WARNING Risk of accident despi te
brake application of Active Blind Spot
Assi st
A cou rse-co rrecting brake application cann ot
alw ays pr event a collision. #
Alw aysst eer, brake or accelera teyour‐
self, especially if Active Blind Spot
Assi stwa rnsyo u or makes a course-
co rrecting brake application. #
Alw ays maintain a safe dis tance at the
sides. &
WARNING Risk of accident despi te
Ac tive Blind Spot Assi st
Ac tive Blind Spot Assi stdoes not react tothe
fo llowing:
R ifve hicles overtake too closely on the
side, placing them in the blind spot area R
vehicles approaching and overtaking you
at a greatly di fferent speed
As a result, Active Blind Spot Assi stmay nei‐
th er give warnings nor inter vene in su chsit‐
uations. #
Alw ays pay careful attention tothe traf‐
fi c situation and maintain a safe dis‐
ta nce at the side of theve hicle. If a course-cor
recting brake application occu rs,
th ere dwa rning lamp flashes in the outside mir‐
ro r and a warning tone sounds. In addition, dis‐
pl ay 1 indicating the danger of a side collision
appears in the multifunction displa y.In
rare cases, the sy stem may make an inappro‐
priate brake application. This brake application
may be inter rupte d at any time if yousteer
slightly in the opposite direction or accelera te.
Sy stem limitations
Either a course-cor recting brake application
appropria teto the driving situation, or none at
all, may occur in thefo llowing situations:
R Vehicles or obs tacles, e.g. crash ba rriers, are
located on bo thsides of your vehicle.
R Ave hicle approaches too closely on the side.
R You ha veadop ted a sporty driving style with
high cornering speeds.
R You brake or accelerate significantl y.
R A driving sa fety sy stem inter venes, e.g. ESP ®
or Active Brake Assi st.
R ESP ®
is deacti vated.
R A loss of tyre pressure or a defective tyre is
detected.
R You are driving with a trailer and the electri‐
cal connection tothe trailer hitch has been
cor rectly es tablished. Driving and parking
249

R
Ifth e car riag ewa y is very nar row and wind‐
ing.
Ve hicles with Driving Assistance pac kage or
Driving Assistance Plus pa ckage: Active Lane
Ke eping Assist uses radar sensors tomonitor
se veral areas around theve hicle. If thera dar
sensors in there ar bumper are dirty or co vered
with sn ow,th e sy stem may be impaired or may
not function. If an obs tacle in the lane in which
yo u are driving has been de tected, no lane-cor‐
re cting brake application occu rs.
Ac tivating/deactivating Active Lane Keeping
Assist (vehicles with Parking Assist
PA RKTRONIC) &
WARNING Risk of accident despi te
Ac tive Lane Keeping Assist warning
A lane-cor recting brake application cannot
al wa ys bring theve hicle back into the origi‐
nal lane. #
Alw aysst eer, brake or accelera teyour‐
self, especially if Active Lane Keeping Assist
warnsyo u or makes a lane-cor‐
re cting brake application. &
WARNING Risk of accident despi teinter‐
ve ntion of Active Lane Keeping Assist
Ac tive Lane Keeping Assist does not de tect
traf fic conditions or road users. In very rare
cases, the sy stem may make an inappropri‐
ate brake application, e.g. af ter intentional ly
driving over a solid lane marking.
The brake application can be inter rupte d at
any time if yousteer slightly in the opposite
direction. #
Alw ays make sure that there is suf fi‐
cient di stance tothe side forot her traf‐
fi c or obs tacles. &
WARNING Risk of accident despi teLane
Ke eping Assist
Lane Keeping Assist cann otalw ays clearly
de tect lane markings. In su
chcases, Lane Keeping Assist can:
R give an unnecessary warning
R not give a warning #
Alw ays pay particular attention tothe
traf fic situation and keep within the
lane, especially if Active Lane Keeping
Assist alerts you. Be sure
toobser vethe sy stem limitations of
Ac tive Lane Keeping Assist. 252
Driving and parking

#
Pull the ball neck in the direction of the
ar row until it en gage s audibly in a vertical
position.
Indicator lamp 1onthe ball neck release
switch will go out.
If th e ball neck is not securely loc ked in
place, theCheck trailer hitch lockdisplay
message will appear on the multifunction dis‐
pla y. #
Remo vethe co ver from the ball head and
st ore it in a safe place.
Make sure that the ball on the ball neck is clean.
Check that it is either greased or dr y (grease-
free), depending on the instructions forthe
traile r.
Fo lding the ball neck in #
Pull release switch 2until the ball neck
unloc ks.
The ball neck will fold up under there ar
bumper.
Indicator lamp 1will flash. #
Push the ball neck in the direction of the
ar row until it en gage s audibly behind the
bumper.
Indicator lamp 1will go out and the mes‐
sage on the multifunction display will disap‐
pear.
Obser vethe information on the displa yson the
instrument clus ter:
R Warning and indicator lamps (→ page 531)
R Display messages (→ page478) Coupling up/uncoupling a trailer
&
WARNING Risk of inju ryfrom theve hicle
le ve l being changed
Ve hicles with le vel control sy stem: the
ve hicle le vel may be changed unin tentionally,
e.g. by ot her persons. You may become trap‐
ped if you couple up or uncouple a trailer
while theve hicle le vel is changing. In addi‐
tion, other people could become trapped if
th eir limbs are between theve hicle body and
th e tyres or underneath theve hicle. When coupling up or uncoupling a trailer,
make sure
that: #
The doors or tailgate are not opened or
closed. #
You do not initiate the le vel control sys‐
te m and do not operate theDY NA MIC
SELECT switch. #
Do not lock or unlock theve hicle. Re
quirements:
R the ball neck must be extended fully electri‐
cal lyand engaged in the securely loc ked
position.
Tr ailers with a 7-pin plug can be connec tedto
th eve hicle with thefo llowing adap ters:
R adap ter plug
R adapte r cable
The trailer will be cor rectly de tected bytheve hi‐
cle only if thefo llowing conditions are me t:
R the trailer is connected cor rectly
R the trailer lighting sy stem is in working order Driving and parking
255

The operation of
thefo llowing sy stems depends
on the trailer being connected cor rectly:
R Active Lane Keeping Assist
R ESP ®
R Parking Assist PARKTRONIC
R Active Parking Assist
R Blind Spot Assist or Active Blind Spot Assi st
Coupling up a trailer
* NO
TEDama getotheve hicle battery due
to full dischar ge Charging
the trailer battery using the po wer
supply of the trailer can damage theve hicle
batter y. #
Do not use theve hicle's po wer supply
to charge the trailer batter y.#
Remo vethe co ver from the ball head and
st ore it in a safe place (→ page113). #
Position the trailer on a le vel sur face behind
th eve hicle and couple it up totheve hicle. #
Open the soc ket cap. #
Inse rtthe plug with lug 1in groo ve3 on
th e soc ket. #
Turn the ba yonet coupling 2clockwise as
fa r as it will go. #
Let the cap engage. #
Secure the cable tothe trailer with cable ties
(only if you are using an adap ter cable). #
Make sure that the cable is alw ays slack for
ease of mo vement during cornering. #
Push the combination switch upwards/down‐
wa rds and check whe ther the cor responding
turn signal light on the trailer is flashing. A display message may appear on
the multifunc‐
tion display even if the trailer has been connec‐
te d cor rectly:
R LEDs ha vebeen ins talled in the trailer light‐
ing sy stem
R the cur rent has fallen below the trailer light‐
ing sy stem's minimum cur rent (50 mA)
% Accessories can be connected tothe perma‐
nent po wer supp lyup to180W, and tothe
po we r supp lythat is swit ched on via the igni‐
tion loc k.
Un coupling a trailer &
WARNING Risk of being crushed and
becoming trapped when uncoupling a
trailer
When uncoupling a trailer wi than engaged
ine rtia-activated brake, your hand may
become trapped between theve hicle and the
trailer dr awbar. #
Do not uncouple trailers with an
engaged overrun brake. 256
Driving and pa rking