ignition MERCEDES-BENZ E-CLASS ESTATE 2020 Repair Manual

Display messages
Possible causes/consequences and M
MSolutions
! Turn on the ignition to
release the parking brake *
The red! indicator lamp is lit.
Yo u ha veattem ptedto release the electric parking brake with the ignition switched off. #
Switch on the ignition.
J Check brake fluid level *T
here is insuf ficient brake fluid in the brake fluid reser voir. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
Stop theve hicle as soon as possible, paying attention toroad and traf fic conditions. Do not continue driv‐
ing. #
Consult a qualified specialist workshop. #
Do not top up the brake fluid. #
Check brake pads See
Owner's Manual *T
he brakepads ha vereached thewe ar limit. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 403

Display messages
Possible causes/consequences and M
MSolutions
Active Steering Assist inop-
erative *A
ctive Steering Assist is malfunctioning. Active Dis tance Assi stDISTRONIC remains available. #
Consult a qualified specialist workshop.
Active Steering Assist cur-
rently unavailable due to
multiple emergency stops *A
ctive Steering Assist is temp orarily una vailable due tomultiple emergency stops. #
Take ove rth esteering and stop in accordance with the tra ffic conditions. #
Swit chthe ignition off and switch it back on.
Ac tive Steering Assist is available once more.
Beginning emergency stop *Y
our hands are not on thesteering wheel. An emer gency stop is being initiated (/ page217). #
Put your hands back on thesteering wheel.
Yo u can cancel the deceleration at any time byper form ing one of thefo llowing actions:
R Steering
R Braking or accelerating
R Deactivating Active Dis tance Assi stDISTRONIC
Ø *A
ctive Steering Assist has reached the sy stem limits(/ page215).
Yo u ha venot steered independently for a considerable period of time. #
Take ove rth esteering and drive on in accordance with the traf fic conditions.
Active Stop-and-Go Assist
currently unavailable see
Owner's Manual *A
ctive Stop-and-Go Assist is temp orarily una vailable. Active Dis tance Assi stDISTRONIC and Active Steering Assist
are still available.
The ambient conditions are outside the sy stem limits (/ page218). Displ
aymessa ges and warning/indicator lamps 407

Display messages
Possible causes/consequences and M
MSolutions
Ý Please wait 48 V battery
charging *T
he 48 V battery is dischar ged. You ha veswitched on the ignition while the12 V battery was being charge d with a
suitable charge r or while ano ther vehicle was pr oviding starting assis tance.
The discha rged 48 V battery is charge d automatically via thevo ltage con verter. Af ter a few minutes, theMotor can
be started again display message will be shown on the multifunction displa y. #
Start the engine. #
Drive theve hicle for a while tocharge the12 V battery and the 48 V battery af ter disconnecting thech arger
from theve hicle.
If th eMotor can be started again display message does not appear af ter a few minutes: #
Tryto start the engine again. #
Ifth e engine does not start, consult a qualified specialist workshop.
Cannot start engine See
Owner's Manual *T
hecharge leve l of the 48 V battery is too lo w.You can no lon gerst art the engine. #
Switch off electrical consumers that are not required. #
Connect a suitable charge r appro vedfo r Mercedes-Benz with suf ficient charge output tothe jump-s tart connec‐
tion point of the12 V battery (/ page 335).
The 48 V battery is charge d via thevo ltage con verter in theve hicle.
Motor can be started again *T
he 48 V battery has been charge d automatically via thevo ltage con verter. #
Start the engine and drive theve hicle for a while tocharge the12 V battery and the 48 V batter y. Displ
aymessa ges and warning/indicator lamps 425

Display messages
Possible causes/consequences and M
MSolutions
Ø Top up AdBlue Emergency
op. in XXX miles See Own-
er's Manual *
The low AdBlue ®
leve l will lead tolimited per form ance af terth ere maining dis tance displ ayed has been co vered. #
Top up AdBlue ®
immediately (/ page 184).
Ø
XX,X l Top up AdBlue Emer.
op.: max. XXX km/h Start
not poss. in XXX km *
The low AdBlue ®
leve l will lead tolimited per form ance from the speed displa yed.
Af terth ere maining dis tance displ ayed has been co vered, it will no longer be possible tostart the engine. #
Add at least the amount of AdBlue ®
displ ayed (/ page184).
Ø
XX,X l Top up AdBlue
Switch on ignition, wait 60
sec. or eng. start not poss. *
The AdBlue ®
tank is em pty. Yo u can no lon gerst art the engine. #
Add at least the amount of AdBlue ®
displ ayed (/ page184). #
Switch on the ignition and waitfor appro ximately 60 seconds. #
Start the engine. Display messages and
warning/indicator lamps 431

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 438)
ü Seat belt (/
page 438)
ï Trailer hit ch (/page 439)
Ù Powe rst eering (/ page 439)
ÿ Coolanttemp erature (/ page440)
; Engine diagnostics (/
page 440)
% Preglow
# Electrical
fault (/ page440)
8 Re
ser vefuel with fuel filler flap loca‐
tion indicator (/ page440)
! Electric pa
rking brake (red)
(/ page 443) 436
Displaymessa ges and warning/indicator lamps

É
Max. speed 35 km/h (white
display message) ..................................4 11
î Max. speed 40 km/h ..................417
ð Maximum speed exceeded ......... 406
î Notpossible in cur rent drive
program ............................................... 417
Ø ................................................... 431
ç Off.............................................. 405
ë Off.............................................. 408
ï Operation only possible in
transmission position P .......................389
! Parking brake See Owner's
Manual ................................................ 399
É Please reduce speed ...........410,411
Ý Please wait 48 V battery charg‐
ing ...................................................... .425
_ Rear left seat backrest not
loc ked (Example) .................................3 93
h Rectify tyre pressure .................. 427 Ø
Refill Ad Blue See Owne r’s
Manual ................................................ 430
! Release parking brake ................ 402
¸ Replace air cleaner .....................396
À Replace key See Owner's Man‐
ual ...................................................... .383
Á Replace key ................................ 383
8 Reser vefuel le vel...................... .396
6 Restra int sys. malfunction Con‐
sult workshop ...................................... 380
# See Owner's Manual .................. 423
Ù Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual .... 391
Ù Steering malfunction Stop
immediately See Owner's Manual .......392
# Stop vehicle Lea veengine run‐
ning ..................................................... 424
# Stop vehicle See Owner's Man‐
ual .......................................................4 24
É Stop vehicle Vehicle too low .......4 09 ç
suspended ................................. 405
: Switch off lights ......................... 386
: Switch on headla mps................. 386
Ø Top up AdBlue Emergency op.
in XXX miles See Owner's Manual ....... 431
+ Top up coolant See Owner ’s
Manual ................................................ 394
¥ Top up washer fluid .................... 394
ï Trailer coupling extending… ........ 389
! Turn on the ignition torelease
th e parking brake ................................ 403
d Vehicle is operational Switch
off ignition before exiting .................... 389
É Vehicle rising Please wait.......... .410
É Vehicle rising .............................. 41 0
h Warning tyre defect .................... 428
h Wheel sensor(s) missing ............ 426
Ø XX,X l Top up AdBlue Switch on
ignition, wait 60 sec. or eng. start
not poss. .............................................. 431 460
Index

Re
ar (fitting/removing) ........................ 103
Re ar (lo wering from the front) .............1 03
Head-up display ....................................... 262
Ad justing display elements (on-board
compu ter) ............................................ 262
Ad justing the brightness (on-board
computer) ............................................ 262
Fu nction ............................................... 261
Menu (on-board compu ter) .................. 262
Operating the memory function ........... 11 5
Setting the position (on-board com‐
puter) .................................................. 262
Switching on/off ................................. 263
Headla mpflashing .................................. 13 5
Headlamps see Automatic driving lights
Heating see Climate control
Help call see Mercedes-Benz emergency call sy stem
High beam Activating/deactivating ...................... .135
Ad aptive Highbeam Assist .................. .138
Ad aptive Highbeam Assist Plus .......... .139 High-pressure cleaner (care)
..................317
Hill Start Assist ........................................ 218
HOLD function ......................................... 219
Fu nction/no tes .................................... 219
Switching on/off ................................. 219
Home screen (media display) Overview ............................................. 266
Hooking the luggage net .........................125 I
i-Size child seat securing sy stem
Fitting .................................................... 59
i‑Size child seat securing sy stem
Seats suitable for attaching ................... 58
Identification plate Engine ................................................. 363
Ve hicle ................................................ 363
Ignition Switching on (S tart/S top button) ........ 16 2
Ignition key
see Key
Immobiliser ................................................ 93 Implied
warranty
Ve hicle ................................................... 31
In-Car Of fice ............................................ .293
Fe atures .............................................. 293
Indicator lamps see Warning/indicator lamps
Individual drive prog ram
Con figuring .......................................... 175
Selecting .............................................. 175
Inspection see AS SYST PLUS
Instrument clus ter
Fu nction/no tes ........................... 257, 258
Instrument display Function/no tes ................................... 258
Instrument clus ter ................................. 10
Wa rning/indicator lamps .................... 436
Instrument display and on-boa rd
compu ter
Fu nction/no tes ................................... 257
Intelligent Light Sy stem
Ac tive headla mps ................................ 13 6
Ad aptive Highbeam Assist .................. .138 Index
467

Sound menu
Functions overview .............................. 306
Spare wheel see Emer gency spa rewheel
Speed limit for winter tyres
Setting ................................................ .207
St andby mode
Ac tivating/deactivating ...................... .193
Fu nction .............................................. 19 3
St anding lights ........................................ 13 3
St art-off assi st
see Optimised acceleration
St art/s top button
Pa rking theve hicle .............................. 186
St arting theve hicle ............................. 16 3
Switching on the po wer supply or
ignition ................................................ 16 2
St art/s top function
see ECO start/ stop function
St arter battery
Charging (Remo teOnline) .................... 16 5
St arting assi stance
see Jump -sta rt connection St
arting the engine
see Vehicle
St arting-o ffaid
see Hill Start Assist
St ationary heater/ventilation
Displ ays (remo tecontrol) .................... 15 8
Problems (remo tecontrol) ................... 16 0
Re placing the battery (remo tecon‐
trol) ...................................................... 15 9
Setting (MBUX multimedia sy stem) ..... 157
Setting (remo tecontrol) ...................... 157
Switching on/off (control panel) ......... 15 6
ST EER CONT ROL
Fu nction/no tes ................................... 19 9
Ste ering wheel ........................................ 259
Ad justing (electrically) .......................... 11 2
Ad justing (manually) ............................. 111
Buttons ................................................ 259
Ca re ..................................................... 321
Ope rating the memory function ........... 11 5
St eering wheel heater .......................... 11 2
Ste ering wheel gearshift paddles ..........178
Ste ering wheel heater
Swit ching on/off .................................. 11 2St
ow age areas
see Loading
see Stow age compartment
St ow age comp artment............................ 11 8
Armrest ................................................ 11 8
Centre console .................................... .118
Door ..................................................... 11 8
Glo vecompa rtment ............................. 11 8
St ow age comp artments
see Loading
see Stow age compartment
St ow age spaces
USB ports ............................................ 11 8
Suggestions Configuring .......................................... 273
Sulphur content ....................................... 367
Sur round lighting
Switching on/off .................................. 141
Sur round View
see 360° Camera
Suspension Adjusting thech assis le vel (AIR
BO DY CONTROL) .................................2 21478
Index