brake sensor MERCEDES-BENZ E-CLASS SALOON 2020 User Guide

#
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 wheel cleaners.
R Do not use acidic wheel cleaners toremo ve
brake dust. This could damage wheel bolts
and brake components.
R Toavo id cor rosion of the brake discs and
brake pads, drive theve hicle for a few
minutes af ter cleaning before parking it. The
brake discs and brake pads warm up and dry
out.
Wi ndo ws
R Clean wind owsinside 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 solvent-
based cleaning agents toclean the inside of
windo ws. Wi
per blades
R Fold out the wiper blades and clean them
using 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 186).
R When using a high-pressu recleane r,maintain
a minimum dis tance of 30 cm.
Re versing camera and 360° Camera
R Swit chon the po wer supply or the ignition to
open there ar camera co ver.
R Use clean water and a soft clo thtoclean the
came ralens.
R Do not use a high-pressure cleaner. Ta
ilpipes
R Clean with a cleaning agent recommended
fo r Mercedes-Benz, especial lyin the winter
and af terwa shing theve hicle.
R Do not use acidic cleaning agents.
Tr ailer hitch
R Remo vetraces of rust on the ball, e.g. with a
wire brush.
R Remo vedirt with a lint-free clo th.
R After cleaning, oil or grease the ball head
lightl y.
R Obser vethe no tes on care in the trailer hitch
manufacturer's operating instructions.
R Do not clean the ball neck with a high-pres‐
sure cleaner or solvent. Maintenance and care
311

It is only permissible
tofit a di fferent wheel
size in theev ent 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 ked M+S for all
wheels.
Wi nter tyres bearing thei snowflake
symbol in addition tothe M+S marking pro‐
vide 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.
% You can permanently limit the maximum
ve hicle speed for driving with winter tyres
(/ page 199).
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 336)R
Tyre pressure table (/ page 337)
R Notes on the emer gency spa rewheel
(/ page 350) 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 Wheels and tyres
343

Display messages
Possible causes/consequences and M
MSolutions
5 Engine oil level cannot be
measured *T
he electrical connection tothe oil le vel sensor has been inter rupte d or the oil le vel sensor is faulty. #
Consult a qualified specialist workshop. Wa
rning and indicator lamps Overview of indicator and
warning lamps Some sy
stems will per form a self-test when the
ignition is switched on. Some indicator and
wa rning lamps may briefly light up or flash. This
behaviour is non-critical. These indicator and
wa rning lamps indicate a malfunction only if they
light up or flash af terth e engine has been star‐
te d or during a journe y. Instrument display Depending on
the display setting, the positions
of the indicator lamps on the instrument display
may dif fer from theex ample shown. Indicator and
warning lamps:
6 Re
stra int sy stem (/ page 426)
ü Seat belt (/
page 426)
ï Trailer hit ch (/page 427)
Ù Powe rst eering (/ page 427)
ÿ Coolanttemp erature (/ page 428)
; Engine diagnostics (/
page 428)
% Preglow
# Elect
rical fault (/ page 428)
8 Re
ser vefuel with fuel filler flap loca‐
tion indicator (/ page 428)
! Elect
ric pa rking brake (red)
(/ page 431) 424
Display messages and warning/indicator lamps

¯
AdBlue sy stem fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km .............................................. .420
¯ AdBlue sy stem fault Emer‐
ge ncy op. in XXX miles See Owner's
Manual ................................................ 420
¯ AdBlue sy stem fault Engine
st art not possible ................................ .421
¯ AdBlue sy stem fault See Own‐
er's Manual ........................................ .420
5 Add 1 litre engine oil when
next refuelling .................................... .422
é ATTENTION ASSIST inoperative .. 401
é ATTENTION ASSIS T:Take a
break! .................................................. 401
: Automatic driving lights inoper‐
ative ..................................................... 375
Á Changekey bat teries .................. 373
J Check brake fluid le vel.............. .393 #
Checkbrake pads See Owner's
Manual ................................................ 393
5 Check eng. oil le v.when next
re fuelling ............................................. 421
ï Checktrailer hitch lo ck.............. 380
h Check tyre(s) .............................. 41 5
! Clean the fuel filter .................... .386
ÿ Coolant Stop vehicle Switch
engine off ............................................ 385
_ Currently una vailable Camera
view restricted ..................................... 405
ç Currently unavailable Radar
sensors dirty .......................................4 04
! currently una vailable See Own‐
er's Manual ........................................ .406
÷ currently una vailable See Own‐
er's Manual ........................................ .407
5 Engine oil le vel cannot be
measured ............................................ 424 5
Engine oil le velRe duce oil le vel
............................................................. 422
5 Engine oil le velSt op vehicle
Switch engine off ................................ 422
5 Engine oil pressure Stop
Switch off engine ................................ 423
ä Fault Drive at max. 80 km/h ...... 398
6 Front left malfunction Consult
wo rkshop (e xample)............................ 370
& inoperative Battery low ...............378
& inoperative Refuel vehicle ........... 378
& inoperative See Owner's Man. ....378
! inoperative See Owner's Man‐
ual ....................................................... 407
÷ inoperative See Owner's Man‐
ual ....................................................... 408
T inoperative See Owner's Man‐
ual ....................................................... 409
G Inoperati ve.................................. 41 0 Index
447

É
Vehicle rising Please wait.......... .400
É Vehicle rising .............................. 400
h Warning tyre defect ....................416
h Wheel sensor(s) missing .............414
Ø XX,X l Top up AdBlue Switch on
ignition, wait 60 sec. or eng. start
not poss. .............................................. 419
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual .........402
Ac tive Blind Spot Assi stinope rative .... 403
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual ................................................ 403
Ac tive bonnet malfunction See Own‐
er's Manual ......................................... 382
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ...... 409
Ac tive Brake Assi stFunctions limited
See Owner's Manual ............................41 0Ac
tive Dis tance Assi stavailable
again .................................................. .396
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual .........395
Ac tive Dis tance Assi stinope rative ...... 396
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual .........403
Ac tive Lane Keeping Assist inopera‐
tive ...................................................... 403
Ac tive Parking Assist and
PA RKTRONIC inoperati veSee Own‐
er's Manual ......................................... 400
Ac tive Steering Assist cur rently
una vailable due tomultiple emer‐
ge ncy stops ......................................... 397
Ac tive Steering Assist cur rently
una vailable See Owner's Manual .........396
Ac tive Steering Assist inoperative .......397
Ac tive Stop-and-Go Assist cur rently
una vailable see Owner's Manual .........397 Ac
tive Stop-and-Go Assist inopera‐
tive See Owner's Manual ..................... 398
Ad aptive Highbeam Assist cur rently
una vailable See Owner's Manual .........377
Ad aptive Highbeam Assist inopera‐
tive ...................................................... 377
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .377
Ad aptive Highbeam Assist Plus inop‐
erative ................................................ .377
App lybrake todeselect Park (P)
position ...............................................3 87
App lybrake toselect D or R ................387
App lybrake toselect R ........................ 387
Au xilia rybattery malfunction .............. 389
Beginning emer gency stop .................. 397
Blind Spot Assist cur rently una vaila‐
ble See Owner's Manual ...................... 402
Blind Spot Assist inope rative ............... 402 Index
449

Blind Spot Assi
stnot available when
to wing a trailer See Owner's Manual ...4 02
Cannot start engine See Owner's
Manual ................................................ .413
Check tyre pressures then restart
Ru n Flat Indicator ................................. 41 8
Cruise cont rol and Limiter inope ra‐
tive ...................................................... 394
Cruise control inope rative ................... 394
Cruise control off ................................ 394
Fr ont-passenger airbag disabled See
Owner's Manual ................................... 371
Fr ont-passenger airbag enabled See
Owner's Manual ................................... 371
Haza rdwa rning lamps malfunction‐
ing ...................................................... .377
Limiter inoperative .............................. 395
Limiter passive .................................... 394
Mercedes me connect Services limi‐
te d See Owner's Manual ......................41 0Mo
tor can be star ted again .................. 413
N permanently active Risk of vehicle
ro lling .................................................. 388
Only select Park (P) when vehicle is
st ationary ............................................ 386
Place theke y in the mar ked space
See Owner's Manual ............................374
PRE-SAFE impulse side inoperative
See Owner's Manual ............................372
PRE-SAFE inoperative See Owner's
Manual ................................................ 372
Re duce speed ...................................... 417
Re versing not poss. Consult work‐
shop ....................................................3 88
Risk of vehicle rolling Driver door
open and transmission not in P ...........387
Ru n Flat Indicator inope rative .............. 41 8
Speed limit (winter tyres) XXX km/h ... 396
St op vehicle Lea veengine running
Wa itTransmission cooling ...................389 To
shift out of P or N,depress brake
and start engine .................................. 387
To switch off the engine, press the
St art/ Stop button for at least 3 sec‐
onds or 3 times. .................................. 384
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 401
Tr af fic Sign Assi stinope rative ............. 401
Tr ansmission Malfunction Stop ........... 388
Ty re press. monitor cur rently una vail‐
able ...................................................... 414
Ty re press. monitor inoperative ............414
Ty re press. monitor inoperative No
wheel sensors ...................................... 414
Ty re pressure Check tyres ....................417
Ty re(s) ove rheated ...............................4 16
Wi thout changing gear, consult work‐
shop ....................................................3 88
Display on the windscreen
see Head-up display 450
Index

Distance cont
rol
see Active Dis tance Assi stDISTRONIC
DI STRO NIC
see Active Dis tance Assi stDISTRONIC
Door Additional door lock ...............................74
Child saf ety lock (rear door) .................. 67
Locking (emergency key) ...................... .78
Opening (from the inside) ......................75
Po we r closing function .......................... 78
Un locking (emer gency key) .................... 78
Un locking (from the inside) ...................75
Door cont rol panel .................................... .14
Dr aw bar
see Tow- bar sy stem
Drive Away Assist .................................... 228
Drive Away Assist
see Pr otection against collision
Drive position Enga ging ..............................................1 70
Drive prog ram display ............................. 167
Drive prog rams
see DYNA MIC SELECT Driver's seat
see Seat
Driving abroad Symmetrical low beam ........................ 12 6
Driving saf ety sy stem ............................ .186
ABS (Anti-lock Braking Sy stem) ........... 188
Ac tive Brake Assi st.............................. 191
Ad aptive brake lights .......................... .196
BA S (Brake Assi stSystem) .................. 188
Cameras .............................................. 186
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 191
ESP ®
Crosswind Assi st........................ 19 0
ESP ®
trailer stabilisation .................... .190
Overview .............................................. 187
Ra dar and ultrasonic sensors .............. 186
Re sponsibility ...................................... 186
ST EER CONTROL .................................. 191
Driving sy stem
DY NA MIC BODY CONTROL .................. 211
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 Keeping Assist
see Active Parking Assist
see Active Speed Limit Assi st
see Active Steering Assist
see AIR BODY CONTROL
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise control
see Driving saf ety sy stem
see HOLD function
see Limiter
see Parking Assist PARKTRONIC
see Reversing camera
see Traf fic Sign Assi st
Driving tips Driving abroad (symmetrical low
beam) .................................................. 12 6
Gene ral driving tips ............................ .160
Ru nning-in no tes ..................................1 58
Dr ows iness de tection
see ATTENTION ASSIST
DY NA MIC BODY CONT ROL
Chassis ................................................ 211 Index
451