brake sensor MERCEDES-BENZ E-CLASS COUPE 2021 User Guide

Manoeuvr
Manoeuvr
ing assist
ing assistant
ant F
F
unction of Dr
unction of Dr iv
ive Awa
e Away Assi st
y Assi st
Drive Away Assist can reduce the se verity of an
impact when pulling away.If an obs tacle is de tec-
te d in the direction of tr avel, theve hicle's speed
is brie0y reduced toappr ox. 2 km/h. If a critical
situation is de tected, theÉ symbol appears in
th e media displa y.
Drive Away Assist can be deactivated or activated
in theManoeuvring assistance menu
(/ page 239).
% You can cancel an inter vention byDrive Away
Assist at any time bydeactivating Parking
Assist PARKTRONIC (/ page 231). &
W
WARNI NG
ARNI NGRisk of accident caused bylimi-
te d de tection per form ance of Drive Away
Assist
Drive Away Assist cannot alw ays clear lyiden-
tify objects and tra1c situations. #
Always pay careful attention tothe tra1c
situation; do not relyon Drive Away
Assist alone. #
Be prepa redto brake or swer veas nec-
essar y,prov ided the tra1c situation per-
mits and that it is safe totake evasive
action. Drive
Away Assist is only an aid. It is not a substi-
tute foryo ur attention tothe sur roundings. The
re sponsibility for safe manoeuvring and parking
re mains with you. Make sure that no persons, ani-
mals or objects etc. are in the manoeuvring
ra nge.
A risk of collision may occur in thefo llowing situa-
tions, forex ample:
R Ifth e accelerator and brake pedals are inter-
ch anged.
R If an inco rrect transmission position is
engaged.
Drive Away Assist is active under thefo llowing
conditions:
R IfPa rking Assist PARKTRONIC is activated.
R Ifyo u shiT the transmission position tok or
h when theve hicle is stationar y. R
Ifth e de tected obs tacle is less than appr ox.
1.0 m away.
R Ifth e manoeuvring assistance function is acti-
va ted in the multimedia system.
Syst
Syst em limits
em limits
The per form ance of Drive AwayAssist is limited
on inclines.
When driving with a trailer, Drive AwayAssist is
not available.
% Also obser vethe system limits of Parking
Assist PARKTRONIC (/ page 228).
F F unction of Cr
unction of Cr oss
ossTr
Tra1c
a1c Alert
Alert
% Cross Tra1c Ale rtis only available forve hicles
with Blind Spot Assist or Active Blind Spot
Assist.
Cross Tra1c Ale rtcan warndrivers of any cross-
ing tra1c when reve rsing and manoeuvring out of
a parking space. The radar sensors in the bumper
also monitor the area adjacent totheve hicle. If a
critical situation is de tected, theL symbol
appears in the media display and theve hicle can
be braked automaticall y. Driving and parking
237
237

If
th era dar sensors are obstructed byvehicles or
ot her objects, de tection is not possible.
Depending on the countr y,Cross Tra1c Ale rtcan
be deactivated or activated in theManoeuvring
assistance menu (/page 239).
% Also obser vethe inst ructions on Blind Spot
Assist and Active Blind Spot Assist
(/ page 213).
Syst
Syst em limits
em limits
Cross Tra1c Ale rtis not available on inclines.
Cross Tra1c Ale rtis not available when driving
with a trailer.
Manoeuvr
Manoeuvr ing br ing brak
ake function
e function
The manoeuvring brake function can pr event colli-
sions with pedestrians when theve hicle is reve rs-
ing at slow speeds. If there ve rsing camera
de tects a person in theve hicle path, theve hicle
can be braked toa standstill.
The manoeuvring brake function can inter vene
under thefo llowing conditions:
R The vehicle is reve rsing at a speed slo werth an
10 km/h. R
The camera image is shown in the media dis-
play (/ page 228).
Yo u can activate and deactivate the manoeuvring
brake function in theManoeuvring assistance
menu (/ page 239).
If th e manoeuvring brake function is triggered, the
fo llowing symbol appears in red in the selected
view in theCamera & parking menu: %
Ifth e manoeuvring brake function is not avail-
able, the same symbol appears in grey.
The manoeuvring brake function is only an aid. It
is not a substitute foryo ur attention tothe sur-
ro undings. The responsibility for safe manoeuvring
and parking remains with you. Make sure that no
persons, animals or objects etc. are in the
manoeuv ring range. &
W WARNI NG
ARNI NGRisk of accident caused bylimi-
te d de tection bythe manoeuvring brake
function
The manoeuvring brake function cannot
alw ays clear lyde tect people. Other obs tacles
are not de tected bythe function.
In these cases, the function may brake unnec-
essarily or not brake at all. #
Always pay careful attention tothe tra1c
situation; do not relyonthe manoeuvring
brake function alone. #
Beready tobrake. Syst Syst
em limits
em limits
Obser vethe system limits of thefo llowing func-
tions:
R Active Parking Assist (/ page 232)
R 360° Camera (/ page 224)
R Reversing camera (/ page 221)
The manoeuvring brake function is not available in
th efo llowing situations:
R on inclines 238
238
Driving and parking

W
W
ashing t
ashing t he v
he vehicle b
ehicle b y hand
y hand *
N
NOOTE
TE Engine damage due towa ter ing ress #
Take care not topoint thewa ter jet
directly towa rdsth e air inlet grille below
th e bonnet. obser
vethe legal requ irements, e.g. in a number
of countries, washing byhand is only permitted in
special lydesignated wash ba ys. #
Use a mild cleaning agent, e.g. car shampoo. #
Washtheve hicle with luk ewarm water using a
soT car sponge. When doing so, do not
ex pose theve hicle todirect sunlight. #
Carefully hose theve hicle o. with water and
dry using a chamois.
% Obser vethe no tes on the care of car parts
(/ page 312). N No
ot
tes on paintw
es on paintw or
ork/matt
k/matt /nish
/nishpaintw
paintw or
ork care
k care To
avo id damaging the paintwork and inter fering
with the driving assistance systems, please
obser vethefo llowing no tes: P
P
aint
aint
R Insect remains: soak with insect remo ver and
ri nse o. the treated areas aTer wards.
R Bird droppings: soak with water and rinse o.
aTer wards.
R Tree resin, oils, fuels and greases: remo veby
ru bbing gently with a clo thsoaked in petro-
leum ether or lighter 0uid.
R Coolant and brake 0uid: remo vewith a damp
clo thand clean water.
R Tar stains: use tarre mo ver.
R Wax: use silicone remo ver.
R Do not attach sti ckers, /lms or similar materi-
als. Only ha ve/lm attached tothe bumper at
a quali/ed specialist workshop.
R Remo vedirt immediatel y,where possible.
Matt
Matt /nish
/nish
R Only use care products appr ovedfor
Mercedes-Benz.
R Do not attach stic kers, /lms or similar materi-
als. Only ha ve/lm attached tothe bumper at
a qu ali/ed specialist workshop. R
Do not polish theve hicle and light-alloy
wheels.
R Only use car washes that cor respond tothe
latest engineering standards.
R Do not use car wash prog rammes with a /nal
hot wax treatment.
R Do not use paint cleaners, bu1ng or polishing
products, gloss preser vers, e.g. wax.
In theev ent of paintwork damage:
R Always ha vepaintwork repairs car ried out at a
qu ali/ed specialist workshop.
R Make sure thera dar sensors function
(/ page 185). N No
ot
tes on cleaning decor
es on cleaning decor ativ
ative f
e foils
oils Obser
vethe no tes on matt /nish care in thech ap-
te r "No tes on paintwork/matt /nish paintwork
care" (/ page 311). They also apply tomatt dec-
orative foils.
Obser vethe no tes on cleaning decorative foils to
av oid vehicle damage. Main
tenance and ca re
311
311

#
Always be particular lycareful around the
ta ilpipe and theta ilpipe trims and super-
vise children especially closely in this
area. #
Allow vehicle parts tocool down before
to uching them. To
avo id damage totheve hicle, obser vethe no tes
on cleaning and care of thefo llowing vehicle
parts:
Wheels and r Wheels and r ims
ims
R Use water and acid-free alloy wheel cleaners.
R Do not use acidic alloy wheel cleaners to
re mo vebrake dust. This could damage wheel
bolts and brake components.
R Toavo id cor rosion of the brake disks and
brakepads, drive theve hicle for a few minu tes
aTer cleaning before parking it. The brake
disks and brakepads warm up and dry out.
W
W indo ws
indo ws
R Clean the windo wsinside and outside with a
damp clo thand with a cleaning agent recom-
mended for Mercedes-Benz. R
Do not use dry clo ths or abrasive or sol vent-
based cleaning agents toclean the inside of
windo ws.
% ATer changing the wiper blades or treating
th eve hicle with wax, clean the windscreen
th oroughly with cleaning agents recommen-
ded for Mercedes-Benz. Failure toobser vethe
application instructions may result in damage,
smear mar ksor dazzling spots.
% Remo veextern al fogging or dirt on the wind-
screen in front of the multifunction camera.
Otherwise, driving systems and driving saf ety
systems may be impaired or not available
(/ page 185).
W W iper blades iper blades
R Movethe wiper arms into there placement
position (/ page 136).
R With th e wiper arms folded out, clean the
wiper blades with a damp clo th.
% Make sure that the wiper blades are coated.
The coating can lea veresidues on a clo th. Do
not rubth e wiper blades excessively or clean
th em too oTen. Ext
Ext er
erior lighting
ior lighting
R Clean the lenses with a wet sponge and mild
cleaning agent, e.g. car sha mpoo.
R Only use cleaning agents or cleaning clo ths
th at are suitable for plastic lenses.
Sensors
Sensors
R Clean the sensors in the front and rear bump-
ers with a soT clo thand car shampoo
(/ page 185).
R When using a high-pressure cleaner, main tain
a minimum distance of 30 cm.
Rev
Rev er
ersing camer
sing camer a and 360° Camera
a and 360° Camera
R Open the camera co ver with the multimedia
system (/ page 228).
R Use clean water and a soT clo thtoclean the
camera lens.
R Do not use a high-pressure cleane r.
T
T ailpipes
ailpipes
R Clean with a cleaning agent recommended for
Mercedes-Benz, especially in the winter and
aTer washing theve hicle.
R Do not use acidic cleaning agents. Main
tenance and ca re
313
313

R
Furthermore, the use of cer tain tyre types in
cer tain regions and areas of operation can be
high lybene/cial.
R Only use tyres and wheels of the same type
(summer tyres, winter tyres, MOExtended
tyres) and the same make.
R Only /t wheels of the same size on one axle
(leT and right).
It is only permissible to/t a di.e rent wheel
size in theev ent of a 0at tyre in order todrive
to the specialist workshop.
R Do not make any modi/cations tothe brake
system, the wheels or the tyres.
The use of shims or brake dust shields is not
permitted and may in validate theve hicle's
ge neral ope rating permit.
R V
V ehicles wit ehicles wit h a tyr
h a tyre pr
e pressur
essur e monit
e monit or
oring sy
ing sy s-
s-
t
t em:
em: all /t tedwheels must be equipped with
functioning sensors forth e tyre pressure mon-
itoring system.
R Attemp eratures below 7 °C use winter tyres
or all-season tyres mar kedi M+Sfor all
wheels. Wi
nter tyres pr ovide the best possible grip in
wintry road conditions.
R For M+S tyres, only use tyres with the same
tread.
R Obser vethe maximum permissible speed for
th e M+S tyres /t ted.
If th e tyre's maximum speed is below that of
th eve hicle, this must be indicated byan
appropriate label in the driver's /eld of vision.
R Run in new tyres at moderate speeds forthe
/r st 100 km.
R Replace the tyres aTer six years at the latest,
re ga rdless of wear.
R When r
When r eplacing wit
eplacing wit h tyr
h tyres t
es that do no
hat do no t f
t featur
eatur e
e
r
r un-0at
un-0at c
char
har act
acter
eris
istics:
tics: vehicles with
MOExtended tyres are not equipped with a
TIREFIT kit at thefa ctor y.Equip theve hicle
with a TIREFIT kit aTer replacing with tyres
th at do not feature run-0at characteristics,
e.g. winter tyres.
% You can permanently limit the maximum
speed for driving with winter tyres
(/ page 196). Fo
r more information on wheels and tyres, con-
ta ct a quali/ed specialist workshop.
Be sure toalso obser vethefo llowing fur ther rela-
te d subjects:
R Notes on tyre pressure (/ page 338)
R Tyre pressure table (/ page 339)
R Notes on the emer gency spa rewheel
(/ page 352) N No
ot
tes on int
es on int erc
erchanging wheels
hanging wheels &
W
WARNING
ARNING Risk of injury thro ugh di.erent
wheel sizes
Inter changing the front and rear wheels can
se verely impair the driving characteristics.
The disk brakes or wheel suspension compo-
nents may also be damaged. #
Only inter change the front and rear
wheels if the wheels and tyres ha vethe
same dimensions. Wheels and tyres
345
345

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
¸
Ã
ç
Ä
temporarily unavailable
Sensors dirty *F
ront and corner radar sensors (hereaTer "sensors") are malfunctioning. Possible causes:
R The senso rsare dirty
R Heavy rain or snow
R Extended country driving without other tra1c, e.g. in the desert
Driving systems and driving saf ety sy stems ma y be malfunctioning or temp orarily una vailable. The brake system, steer-
ing and drive system will continue tofunction normall y. #
Drive on
Once the causes of the problem are no longer present, the driving systems and driving saf ety sy stems will be available
again and the cor responding symbols will be switched o..
If th e display message does not disappear: #
Stop theve hicle in accordance with the tra1c conditions. #
Clean all sensor co vers from outside (/ page 185). #
Restart theve hicle. Displ
aymessages and warning/indicator lamps
405 405

Dr
Dr
iving syst
iving syst ems
ems W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
L
Wa rning lamp for distance
wa rning function *T
he red distance warning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obstacle at too high a speed. #
Be prepared tobrake immediatel y. #
Increase the distance.
Fu nction of Active Brake Assist (/ page 207).
Ó Ac tive Brake Assist warning
lamp *T
heActive Brake Assist warning lamp is on.
Due todirty sensors or a malfunction, the system is not available or thera nge of functions is restric ted. #
Notethe messages on the instrument displa y.
ê
Ac tive Brake Assist warning
lamp *T
heActive Brake Assist warning lamp is on.
The system is switched o. or thera nge of functions has been automatically restric ted.
This may be the case if the driver is not wearing a seat belt or ano ther driving system has been activated. #
Obser vethe no tes on Active Brake Assist (/ page 207). Display messages and
warning/indicator lamps
437
437

Br
Br
ak
ak e
e 0uid
0uid
No tes..................................................... 366
Br
Br ak
ak e f
e f or
orce disce distr tribution
ibution
EBD (Elect ronic Brake forc e Distribu-
tion).......................................................1 89
Br
Br ak
ak es
es
ABS (Anti-lock Braking System).............. 187
Ac tive Brake Assist................................. 207
Ad aptive brake lights.............................. 191
BAS (Brake Assist System).................... .187
Driving tips............................................ 159
EBD (Electronic Brake forc e Distribu-
tion).......................................................1 89
HOLD function....................................... 190
Limited braking e.ect (salt-treated
ro ads)................................................... .159
Ne w/replaced brake linings/brake
discs...................................................... 157
Ru nning-in no tes.................................... 157
Br
Br aking assist aking assist ance
ance
see BAS (Brake Assist System)
Br
Br eakdo
eakdo wn
wn
Overvi ewofthe help functions................. 16
To w- starting........................................... 333 To
wing away.......................................... 329
Tr anspo rting theve hicle........................ .331
Wheel chang e........................................ 347
Br
Br ea kdo
eakdo wn
wn
see Flat tyre
Butt
Butt ons
ons
St eering wheel....................................... 250 C
C
Calls
Calls Mercedes me......................................... 281
Camera
Camera Information............................................ 185
Camera
Camera see 360° Camera
see Dashcam
see Reversing camera
Car key
Car key
see Key
Car w Car w ash
ash
see Care
Car w
Car w ash (car
ash (car e)
e)............................................ 309 Car
Car
-t
-to-X
o-X -Communication
-Communication
Displaying hazard warnings.................... 275
Care
Care 360° camera......................................... 312
Air-water duct........................................ 309
Automatic car wash.............................. .309
Carpet................................................... 314
Decorative foil........................................ 311
Display................................................... 314
Exterior lighting...................................... 312
Head-up display..................................... 314
High-pressure cleaner............................3 10
Pa int...................................................... 311
Plastic trim............................................3 14
Re alwo od/trim elements..................... .314
Re versing camera..................................3 12
Ro of lining............................................. 314
Seat belt................................................ 314
Seat co ver............................................. 314
Sensors.................................................3 12
St eering wheel....................................... 314
Ta ilpipes................................................ 312
Tr ailer hitch........................................... .312
Wa shing byhand.................................... 311
Wheels/rims.......................................... 312 Index
447 447

Ø
Re/ll AdBlue See Owner ’sMan-
ual ......................................................... 422
! Release parking brake ...................395
¸ Replace air cleaner ....................... 389
Á Replace key.................................. 375
8 Reser vefuel le vel.......................... 388
6 Restraint sys. malfunction Con-
sult workshop ....................................... .372
# See Owner's Manual..................... 414
Ù Steering malfunction Increased
ph ysical e.ort See Owner's Manual....... 383
Ù Steering malfunction Stop
immediately See Owner's Manual ........... 384
# Stop vehicle Lea veengine run-
ning ....................................................... 415
# Stop vehicle See Owner's Man-
ual......................................................... 415
É Stop vehicle Vehicle too low .......... 407
ç suspended .................................... 398
: Switch o. lights............................ 378 :
Switch on headlamps .................... 378
á temp orarily una vailable Camera
view restric ted....................................... 406
¸ temp orarily una vailable Sensors
dirty....................................................... 405
Ø Top up AdBlue Emer gency op. in
XXX miles See Owner's Manual.............. 422
+ Top up coolant See Owner ’s
Manual.................................................. 387
¥ Top up washer 0uid...................... .386
! Turn on the ignition torelease
th e parking brake ................................... 395
d Vehicle is operational Switch o.
ignition before exiting............................. 381
É Vehicle rising Please wait.............. 408
É Vehicle rising ................................ 408
h Warning tyre defect....................... 419
h Wheel sensor(s) missing ................ 418Ø
XX,X l Top up AdBlue Swit chon
ignition, wait 60 sec. or eng. start not
poss...................................................... 423
Ac tive Blind Spot Assist cur rently
una vailable See Owner's Manual ............ 403
Ac tive Blind Spot Assist inoperative........ 404
Ac tive Blind Spot Assist not available
when towing a trailer See Owner's
Manual.................................................. 404
Ac tive bonnet malfunction See Own-
er's Manual............................................ 384
Ac tive Brake Assist Functions cur-
re ntly limi ted See Owner's Manual .........412
Ac tive Brake Assist Functions limited
See Owner's Manual.............................. 413
Ac tive Distance Assist available again ..... 400
Ac tive Distance Assist cur rently
una vailable See Owner's Manual ............ 399
Ac tive Distance Assist inoperative.......... 399 452 452
Index

Pa
rking Assist and PARKTRONIC inop-
erative See Owner's Manual................... 409
Place theke y in the mar ked space
See Owner's Manual.............................. 376
PRE-SAFE inoperative See Owner's
Manual.................................................. 374
Re duce speed........................................ 420
Re versing not poss. Consult workshop ... 391
Risk of vehicle rolling Driver door
open and transmission not in P .............. 390
Ru n Flat Indica tor inoperative................. 421
Speed limit (winter tyres) XXX km/h .......400
St op vehicle Lea veengine running
Wa itTransmission cooling ......................391
To shiT out of P or N,depress brake
and start engine.................................... .389
To switch o. the engine, press the
St art/ Stop button for at least 3 sec-
onds or 3 times...................................... 386 Tr
a1c Sign Assist cur rently una vaila-
ble See Owner's Manual........................ 402
Tr a1c Sign Assist inoperative................. 402
Tr ansmission Malfunction Stop............... 391
Ty re press. monitor cur rently una vaila-
ble......................................................... 417
Ty re press. monitor inoperative .............. 417
Ty re press. monitor inoperative No
wheel sensors ........................................ 418
Ty re pressure Check tyres ...................... 420
Ty re(s) ove rheated .................................. 420
Wi per malfunctioning .............................386
Wi thout changing gear, consult work-
shop ...................................................... 390
Dist
Dist ance contr ance contr ol
ol
see Active Distance Assist DISTRONIC
DIS DIS TR TRONIC
ONIC
see Active Distance Assist DISTRONIC
Door
Door Additional door loc k................................. 76
Locking/unlocking (emer gency key)........ .80 Opening (from inside)..............................
.77
Po we r closing function............................. 79
Unlocking (from inside)............................ 77
Door contr
Door contr ol panel
ol panel......................................... 14
Dra
Dra wbar
wbar
see Tow- bar system
Dr
Dr iv
ive Awa
e Away Assi st
y Assi st........................................ .237
Dr
Dr iv
ive position
e position
Engaging................................................ 170
Dr
Dr iv
ive pr
e pr ogr
ogr am display
am display .................................. 167
Dr
Dr iv
ive pr
e pr ogr
ograms
ams
see DYNAMIC SELECT
Dr
Dr iv
iver's seat
er's seat
see Seat
Dr
Dr iving abr
iving abr oad
oad
Light adjustment (l owbeam).................. 126
Dr
Dr iving safe
iving safe ty syst
ty system
em
ABS (Anti-lock Braking System)............. .187
Ac tive Brake Assist................................. 207
Ad aptive brake lights.............................. 191
BAS (Brake Assist System).................... .187
Cameras................................................1 85454
454
Index