brake sensor MERCEDES-BENZ S-CLASS SALOON LONG 2020 User Guide

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

Selecting a view
for the 360° Camera
(r eve rsege ar)
Re quirements:
R The Rear camera image or3D view setting is
activated in the multimedia sy stem
(/ page 267). #
Shift toreve rsege ar. #
Select the desired view in the multimedia
sy stem (/ page 262).
Setting there ve rsing camera or 360° Cam‐
era
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 no
persons, animals or objects etc. are in the
manoeuvring range. Pay attention to your sur‐
ro undings and be ready tobrake at all times.
Multimedia sy stem:
4 © 5
Settings 5
Assistance
5 Camera #
Select Rear camera image orSystem off. 360° Camera with GPS - managing activation
positions
Multimedia sy stem:
4 © 5
Settings 5
Assistance
5 Camera
Re naming an activation position
% You can de term ine activation positions in the
Camera views menu. (/page 262) #
Select an activation position. #
Select ´. #
Enter a name and confirm.
The activation position is sa ved under the
new name.
Deleting an acti vation position #
Select Manage activation positions. #
Select an acti vation position. #
Select E. #
Confirm the prom pt.
The activation position is dele ted. Opening
the camera co ver of the reve rsing
camera
Multimedia sy stem:
4 © 5
Settings 5
Assistance
5 Camera #
Select Open camera cover.
% The camera co ver closes auto maticallyafter
some time or af ter an ignition cycle. Pa
rking Assist PARKTRONIC Fu
nction of Parking Assist PARKTRONIC
Pa rking Assist PARKTRONIC is an electronic
parking assi stance sy stem which monitors the
area sur rounding your vehicle and sho wsyouthe
dis tance between theve hicle and a de tected
obs tacle visually and audibly.
The passi veside impact pr otection also warns
yo u of obs tacles tothe side. These must be
de tected beforehand bythe sensors in the front
or rear bumper while driving bythem. If you
st eer in the direction of a de tected obs tacle and
th ere is a risk of a lateral collision, a warning is
issued. The passive side impact pr otection can Driving and parking
267

Fu
nction of cross traf fic wa rning
The cross traf fic wa rning can warnyou of cross‐
ing traf fic when you are reve rsing out of a park‐
ing space. The radar sensors in the bumper also
monitor the area adjacent totheve hicle.
The cross traf fic wa rning is automatically active
when youre ve rse at a speed of less than appr ox‐
imately 10km/h.
If a critical situation is de tected, thefo llowing
symbol appears in red in the selected view in the
Camera & parking menu:The
vehicle can be automatically braked.
% Ifth e cross traf fic wa rning is not available,
th e same symbol appears in gr ey. If the
Camera & parking menu is not opened in the
central displ ay,th e symbol and pop-up of
Pa rking Assist PARKTRONIC bo thappear.
The cross traf fic wa rning is only an aid and not a
substitute foryo ur attention tothe sur roundings.
The responsibility for safe manoeuvring and parking
remains with you. Make sure that no
persons, animals or objects etc. are in the
manoeuvring range. &
WARNING Risk of accident caused by
limited de tection per form ance of the
cross traf fic wa rning
The cross traf fic wa rning cannot alw ays
clear lyidentify objects and traf fic situations. #
Alw ays pay careful attention tothe traf‐
fi c situation; do not rely on the cross
tra ffic wa rning alone. #
Be prepared tobrake or swer veas nec‐
essar y,prov ided the tra ffic situation
permits and that it is safe totake eva‐
sive action. Sy
stem limits
The sy stem limits of Active Parking Assist apply
(/ page 271).
If th era dar sensors are obstructed byvehicles
or other objects, de tection is not possible. In
thefo llowing situations, the cross traf fic wa rn‐
ing is not available:
R on inclines
R if transpo rtequipment, forex ample a trailer
or bicycle rack , is attached tothe trailer
hitch and the electrical connection has been
cor rectly es tablished
Manoeuvring brake function
The manoeuvring brake function can pr event col‐
lisions wi thpedestrians when theve hicle is
re ve rsing at slow speeds. If there ve rsing camera
de tects a person in theve hicle path, theve hicle
can be braked toast andstill.
The manoeuv ring brake function can inter vene
under thefo llowing conditions:
R The vehicle is reve rsing at a speed slo wer
th an 10 km/h.
R The camera ima geis shown in the cent ral
display (/ page 266).
% You can activate and deactivate the manoeu‐
vring brake function (/ page 282). Driving and parking
281

#
Alw ays switch off the windscreen wip‐
ers and the ignition before cleaning the
windscreen or wiper blades. &
WARNING Risk of bu rns from theta il‐
pipe and tailpipe trims
The exhaust tailpipe and tailpipe trims can
become very hot. If you come into contact
with these parts of theve hicle, you could
burn yourself. #
Alw ays be particular lycareful around
th eta ilpipe and theta ilpipe trims and
supervise children especially closely in
th is 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 vehi‐
cle parts:
Wheels and rims
R Use wate r 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
minutes af ter cleaning before parking it. The
brake disks and brakepads warm up and dry
out.
Wi ndo 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.
% Remo veextern al fogging or dirt on the wind‐
screen in front of the multifunction camera.
Otherwise, driving sy stems and driving
saf ety sy stems may be impaired or not avail‐
able (/ page 220).
Wi per blades
R Movethe wiper arms into there placement
position (/ page165). R
With th e wiper arms folded out, clean the
wiper blades with a damp clo th.
R Do not clean the wiper blades too of ten.
Ex terior 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 plast ic lenses.
Sensors
R Clean the sensors in the front and rear
bumpers with a soft clo thand car shampoo
(/ page 220).
R When using a high-pressure cleaner, main tain
a minimum dis tance of 30 cm.
Re versing camera and 360° Camera
R Open the camera co ver with the multimedia
sy stem (/ page 267).
R Use clean water and a soft clo thtoclean the
came ralens.
R Do not use a high-pressure cleaner. Maintenance and care
357

R
Only fit wheels of the same size on one axle
(left and right).
It is only permissible tofit a di fferent wheel
size in theeve nt of a flat tyre in order to
drive tothe specialist workshop.
R Do not make any modifications tothe brake
sy stem, 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 operating pe rmit.
R Vehicles with a tyre pressure monitoring
sy stem: allfitted wheels mu stbe equipped
with functioning sensors forth e tyre pres‐
sure monitoring sy stem.
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 fitted. 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 field of
vision.
R Run in new tyres at moderate speeds forthe
fi rs t10 0 km.
R Replace the tyres af ter six years at the latest,
re ga rdless of wear.
R When replacing with tyres that do not
fe ature run-flat characteristics: vehicles
with MOExtended tyres are not equipped
with a TIREFIT kit at thefa ctor y.Equip the
ve hicle with a TIREFIT kit af terre placing with
tyres that do not feature run-flat characteris‐
tics, e.g. winter tyres.
Fo r more information on wheels and tyres, con‐
ta ct a qualified specialist workshop.
Be sure toalso obse rveth efo llowing fur ther
re lated subjects:
R Notes on tyre pressure (/ page 384)
R Tyre pressure table (/ page 385)
R Notes on the emer gency spa rewheel
(/ page 396) Note
s on inter changing wheels &
WARNING Risk of inju rythro ugh dif fer‐
ent 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. #
Onlyinter change the front and rear
wheels if the wheels and tyres ha vethe
same dimensions. Inter
changing the front and rear wheels if the
wheels or tyres ha vediffere nt dimensions can
re nder thege neral operating pe rmit in valid.
The wear pat tern s on the front and rear wheels
dif fer:
R front wheels wear more on the tyre shoulder
R rear wheels wear more in the cent reofthe
tyre
Do not drive wi thtyres that ha vetoo little tread
dep th. This significantly reduces traction on wet
ro ads (aquaplaning). 390
Wheels and tyres

Display messages
Possible causes/consequences and M
MSolutions
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again. #
Drive on.
Active Lane Keeping Assist
inoperative *A
ctive Lane Keeping Assist is malfunctioning. #
Consult a qualified specialist workshop.
¸
ð
ç
Ä Currently unavailable
Radar dirty *F
ront and corner radar sensors and/or lidar (hereaf ter "senso rs") are malfunctioning. Possible causes:
R The sensors are dirty
R Heavy rain or snow
R Extended country driving wi thout other traf fic, e.g. in the desert
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable. The brake sy stem,
st eering and drive sy stem will continue tofunction normal ly. #
Drive on.
Once the causes of the problem are no longer present, the driving sy stems and driving saf ety sy stems will be avail‐
able again and the cor responding symbols will be switched off.
If th e display message does not disappear: #
Stop theve hicle in accordance with the tra ffic conditions. #
Clean all sensor co vers from outside (/ page 220). #
Restart the engine. 528
Display messages and warning/indicator lamps

:
Switch off lights ........................... 499
: Switch on headlamps................... 499
# Switch on the engine tocharge
th e12 V battery .................................... 539
Ø Top up AdBlue Emergency op.
in XXX km See Owner's Manual............ 545
+ Top up coolant See Owner ’s
Manual................................................... 51 0
¥ Top up washer fluid ...................... 509
ï Trailer coupling in motion .............503
! Turn on the ignition torelease
th e parking brake..................................5 20
d Vehicle is operational Switch
off ignition before exiting..................... .503
É Vehicle rising Please wait............ .532
h Warning tyre defect..................... .543
h Wheel sensor(s) missing.............. 542
Ø XX,X l Top up AdBlue Emerg.
op.: max. XXX km/h Start not poss.
in XXX km .............................................. 545Ø
XX,X l Top up AdBlue Ignition
ON, wait 60s, or engine start not
possible ................................................ .546
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual ...........527
Ac tive Blind Spot Assi stinope rative ...... 527
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual .................................................. 527
Ac tive bonnet malfunction See Own‐
er's Manual........................................... 507
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ........ 536
Ac tive Brake Assi stFunctions limited
See Owner's Manual............................. 537
Ac tive Dis tance Assi stavailable again ...5 24
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual ...........523
Ac tive Dis tance Assi stinope rative ......... 524 Ac
tive Emergency Stop Assist cur‐
re ntly una vailable See Owner's Man‐
ual......................................................... 525
Ac tive Emergency Stop Assist inop‐
erative................................................... 525
Ac tive Lane Change Assi stcur rently
una vailable See Owner's Manual ...........526
Ac tive Lane Change Assi stinope ra‐
tive........................................................ 526
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ...........527
Ac tive Lane Keeping Assist inopera‐
tive........................................................ 528
Ac tive Parking Assist and
PA RKTRONIC inoperati veSee Own‐
er's Manual........................................... 533
Ac tive Steering Assist cur rently
una vailable due tomultiple emer‐
ge ncy stops...........................................5 25 Index
577

PA
RKTRONIC and manoeuv ring
assi stant not available at rear when
to wing a trailer ...................................... 532
PA RKTRONIC inoperati veSee Own‐
er's Manual........................................... 532
Place theke y in the mar ked space
See Owner's Manual............................. 497
Please teach in trailer coupling again
using the button in load compart‐
ment Waitfor it toextend/r etra ct......... 505
PRE-SAFE impulse side inoperati ve
See Owner's Manual............................. 495
PRE-SAFE inoperati veSee Owner's
Manual.................................................. 495
Re duce speed .......................................5 44
Re versing not poss. Consult workshop.. 51 5
Risk of vehicle rolling away Apply
pa rking brake topark............................. 514
Risk of vehicle rolling away Driver's
door open Transmission not in P........... .514 Risk of
vehicle rolling away N activa‐
te d manually No automatic switch to
P ............................................................ 514
Snow chain mode Maximum speed
exc eeded............................................... 507
Speed limit (winter tyres) XXX km/h ..... 524
St op vehicle Lea veengine running
Wa itTransmission cooling ......................516
To switch off the engine, press the
St art/ Stop button for at least 3 sec‐
onds or 3 times. ..................................... 51 0
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ........................ 526
Tr af fic Sign Assi stinope rative ............... 527
Tr ansmission Malfunction Stop.............. 51 5
Ty re press. monitor cur rently una vail‐
able ...................................................... .541
Ty re press. monitor inoperative.............5 41
Ty re press. monitor inoperative No
wheel sensors ...................................... .542 Ty
re(s) ove rheated................................. 544
Distance cont rol
see Active Dis tance Assi stDISTRONIC
DI STRO NIC
see Active Dis tance Assi stDISTRONIC
Door Additional door loc k................................ .81
Child saf ety lock (rear door).................... .74
Locking/unlocking (emergency key)....... 85
Opening (from inside ).............................. 82
Po we r closing function............................ 85
Un locking (from inside).......................... .82
Door cont rol panel....................................... 14
Door cont rol panel (rear) ............................ 16
Dr aw bar
see Tow- bar sy stem
Drive Away Assist ...................................... 280
Drive position Engaging............................................... 203
Drive prog ram display .............................. 200
Drive prog rams
see DYNA MIC SELECT Index
57 9

Driver camera
Activating/deactivating......................... 307
Overview.............................................. .306
Driver display 48 V on-boa rdelectrical sy stem............2 96
Displ aying the service due dat e............. 347
EQ Boost tech nology............................. 296
Fu nction/no tes..................................... 291
No tes on menus.................................... 292
Operating..............................................2 91
Overview of displa ys.............................. 297
Driver display with driver came ra............. 10
Driver's display Indicator/ warning lamps...................... .550
Driver's seat see Seat
Driving abroad Light adju stment (low beam)................. 15 2
Driving saf ety sy stem
ABS (Anti-lock Braking Sy stem).............2 21
Ac tive Brake Assi st................................ 24 3
Ad aptive brake lights............................. 226
BA S (Brake Assi stSystem).................... 222
Cameras................................................ 220 EBD (Elect
ronic Brake forc e Distribu‐
tion).......................................................2 24
ESP ®
Crosswind Assi st.......................... 223
ESP ®
trailer stabilisation...................... .223
Overview.............................................. .221
Ra dar and ultrasonic sensor s................ 220
Re sponsibility........................................2 19
ST EER CONTROL................................... 224
Driving sy stem
see 360° Camera
see Active Blind Spot Assi st
see Active Dis tance Assi stDISTRONIC
see Active Emergency Stop Assist
see Active Lane Change Assi st
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assi st
see Active Steering Assist
see AIRMATIC
see ATTENTION ASSIST with micro‐
sleep de tection
see Driving saf ety sy stem
see HOLD function
see Limiter
see Parking Assist PARKTRONIC see
Remo teParking Assist
see Reversing camera
see Traf fic Sign Assi st
Driving tips Driving abroad (low beam light
adjustment).......................................... .152
Gene ral driving tips.............................. .192
optimised acceleratio n..........................191
Ru nning-in no tes.................................... 191
Dr ows iness de tection
see ATTENTION ASSIST with micro‐
sleep de tection
Dynamic handling control sy stem
see ESP ®
(Elect ronic Stability Prog ram)
DY NA MIC SELECT
Configuri ng drive program I................... 200
Displaying engine da ta.......................... 201
Displaying vehicle dat a.......................... 201
Drive program displ ay........................... 200
Drive programs...................................... 19 9
Fu nction................................................ 19 9
Operating (DYNAMIC SELECT switch)... 200
Selecting the drive prog ram.................. 200 580
Index