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

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 ked004D 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 228). 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 396)
R Tyre pressure table (/ page 397)
R Notes on the emer gency spa rewheel
(/ page 410) 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
403
403

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences and0050
0050Solutions
Solutions
¸
00B0
ç
00C7
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 216). #
Restart theve hicle. Displ
aymessages and warning/indicator lamps
477 477

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 and0050
0050Solutions
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 238).
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 238).510
510
Display messages and
warning/indicator lamps

0075
Restraint sys. malfunction Con-
sult workshop ....................................... .434
003D See Owner's Manual..................... 487
Ù Steering malfunction Increased
ph ysical e.ort See Owner's Manual....... 455
Ù Steering malfunction Stop
immediately See Owner's Manual ........... 455
0080 Stop Switch engine o................... 450
003D Stop vehicle Lea veengine run-
ning ....................................................... 488
003D Stop vehicle See Owner's Man-
ual......................................................... 487
00CC Stop vehicle Vehicle too low .......... 479
ç suspended .................................... 470
: Switch o. lights............................ 441
: Switch on headlamps .................... 441
00B4 Tank is dep ressurised Ready for
re fuelling ............................................... 451
00B4 Tank ventilation Malfunction
Consult workshop ................................. .452 á
temp orarily una vailable Camera
view restric ted....................................... 478
¸ temp orarily una vailable Sensors
dirty....................................................... 477
00C8 Top up AdBlue Emer gency op. in
XXX miles See Owner's Manual.............. 494
00BD Top up coolant See Owner ’s
Manual.................................................. 458
00B2 Top up washer 0uid...................... .457
u Towing not permitted See Own-
er's Manual ............................................ 446
ï Trailer coupling extending…........... 453
0024 Turn on the ignition torelease
th e parking brake ................................... 467
0072 Vehicle is operational Switch o.
ignition before exiting............................. 452
00CC Vehicle rising Please wait.............. 480
00CC Vehicle rising ................................ 480
0077 Warning tyre defect....................... 491
0077 Wheel sensor(s) missing ................ 49000C8
XX,X l Top up AdBlue Swit chon
ignition, wait 60 sec. or eng. start not
poss...................................................... 495
"Electric" drive prog ram cur rently
una vailable............................................. 448
Ac tive Blind Spot Assist cur rently
una vailable See Owner's Manual ............ 475
Ac tive Blind Spot Assist inoperative........ 475
Ac tive Blind Spot Assist not available
when towing a trailer See Owner's
Manual.................................................. 476
Ac tive bonnet malfunction See Own-
er's Manual............................................ 455
Ac tive Brake Assist Functions cur-
re ntly limi ted See Owner's Manual .........484
Ac tive Brake Assist Functions limited
See Owner's Manual.............................. 485
Ac tive Distance Assist available again ..... 471
Ac tive Distance Assist cur rently
una vailable See Owner's Manual ............ 470526 526
Index

Limiter inoperative................................
.469
Limiter passive....................................... 469
Mo tor can be star ted again .................... 489
N permanently active Risk of vehicle
ro lling....................................................4 62
Not possible tounlock charging cable
See Owner's Manual.............................. 447
Only elect ric drive available Power
limited................................................... 448
Only select Park (P) when vehicle is
stationary.............................................. 460
Pa rking Assist and PARKTRONIC inop-
erative See Owner's Manual................... 481
Place theke y in the mar ked space
See Owner's Manual.............................. 440
PRE-SAFE impulse side inoperative
See Owner's Manual.............................. 438
PRE-SAFE inoperative See Owner's
Manual.................................................. 438
Re duce speed........................................ 492 Re
duced drive system per form ance
See Owner's Manual.............................. 448
Re versing not poss. Consult workshop ... 462
Risk of vehicle rolling Driver door
open and transmission not in P .............. 461
Ru n Flat Indica tor inoperative................. 493
Speed limit (winter tyres) XXX km/h .......471
St op vehicle Lea veengine running
Wa itTransmission cooling ......................463
To shiT out of P or N,depress brake
and start engine.................................... .461
To switch o. the engine, press the
St art/ Stop button for at least 3 sec-
onds or 3 times...................................... 458
Tr a1c Sign Assist cur rently una vaila-
ble See Owner's Manual........................ 474
Tr a1c Sign Assist inoperative................. 474
Tr ansmission Malfunction Stop............... 462
Ty re press. monitor cur rently una vaila-
ble......................................................... 489 Ty
re press. monitor inoperative .............. 489
Ty re press. monitor inoperative No
wheel sensors ........................................ 490
Ty re pressure Check tyres ...................... 493
Ty re(s) ove rheated .................................. 492
Ve hicle not cur rently being charged
Charging station fault............................. 447
Wi per malfunctioning .............................457
Wi thout changing gear, consult work-
shop ............................................. .450, 462
Wi thout starting engine again, consult
wo rkshop ............................................... 450
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................................. 81
Child saf ety lock (rear door )..................... 75
Locking/unlocking (emer gency key)........ .85
Opening (from inside).............................. .82
Po we r closing function............................. 85 528
528
Index

Unlo
cking (from inside)............................ 82
Door contr
Door contr ol panel
ol panel......................................... 16
Dra
Dra wbar
wbar
see Tow- bar system
Dr
Dr iv
ive Awa
e Away Assi st
y Assi st........................................ .268
Dr
Dr iv
ive position
e position
Engaging................................................ 188
Dr
Dr iv
ive pr
e pr ogr
ogram display
am display .................................. 184
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).................. 134
Dr
Dr iving safe
iving safe ty syst
ty system
em
ABS (Anti-lock Braking System)............. .218
Ac tive Brake Assist................................. 238
Ad aptive brake lights.............................. 223
BAS (Brake Assist System).................... .218
Cameras................................................2 16
EBD (Electronic Brake forc e Distribu-
tion).......................................................2 21
ESP ®
Crosswind Assist.......................... 220 ESP
®
trailer stabilisation........................ 220
Overview................................................ 217
Ra dar and ultrasonic sensor s................. 216
Re sponsibility......................................... 216
ST EER CONTROL................................... 221
Dr
Dr iving syst
iving syst em
em
DY NAMIC BODY CONTROL.................... 250
Dr
Dr iving syst
iving syst em
em
see 360° Camera
see Active Blind Spot Assist
see Active Distance Assist DISTRONIC
see Active Emer gency Stop Assist
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assist
see Active Steering Assist
see AIR BODY CONTROL
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise cont rol
see Driving saf ety sy stem
see HOLD function
see Limi ter
see Parking Assist PARKTRONIC
see Reversing camera see
Tra1c Sign Assist
Dr
Dr iving tips iving tips
Driving abroad (low beam light adjust-
ment)..................................................... 134
Gene ral driving tips................................1 72
optimised acceleration........................... 171
Ru nning-in no tes.................................... 170
Dr
Dr iving tips iving tips
see Recuperation
Dr ow
Dr ow siness det
siness det ection
ection
see ATTENTION ASSIST
D
D YN
YNAMIC BOD AMIC BOD Y C
Y CONTR
ONTR OL
OL
Chassis.................................................. 250
Dynamic handling contr
Dynamic handling contr ol syst
ol system
em
see ESP ®
(Electronic Stability Prog ram)
D
D YN
YNAMIC SELECT AMIC SELECT
Calling up the fuel consum ption indi-
cator...................................................... 186
Con/guring drive prog ram I................... .185
Displaying engine data........................... 185
Displaying vehicle dat a........................... 185
Drive prog ram displa y............................ 184
Drive prog rams..................................... .183
Fu nction................................................ 183 Ind
ex
529 529