coolant MERCEDES-BENZ E-CLASS ESTATE 2020 User Guide

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

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
If th e trailer hitch is swivelling: #
Wait until the ball neck has reached the operational position.
Ù
Po we rst eering warning
lamp (red) The
red po werst eering sy stem warning lamp is lit while the engine is running.
*The po wer assi stance or thesteering itself is malfunctioning. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances. #
Consult a qualified specialist workshop. #
Notethe messages on the multifunction displa y.Engine
Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions
ÿ Coolant warning lamp The
red coolant warning lamp is lit while the engine is running.
*Possible causes: R The temp erature sensor is malfunctioning 440
Displaymessa ges and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
R The coolant le vel is too low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120 °C. &
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the engine. Do not continue
driving. #
Notethe messages on the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: #
Consult a qualified specialist workshop.
or #
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. #
Check the coolant le vel (/ page 314). Displ
aymessa ges and warning/indicator lamps 441

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below 120 °C.
; Engine diagnosis warning
lamp The
yellow engine diagno stics warning lamp is lit while the engine is running.
*A malfunction has occu rred in the engine, theex haust sy stem or the fuel sy stem.
The emissions limit value may ha vebeen exceeded and the engine may be running in eme rgency operation mode. #
Have theve hicle checked as soon as possible at a qualified specialist workshop.
*Ve hicles with a diesel engine: the fuel tank may ha vebeen run dr y. #
Start the engine thre eto four times af terre fuelling.
If th eye llow engine diagnosis warning lamp goes out, emer gency operation mode is cancelled. The vehicle need
not be checked.
#
Elect rical fault warning
lamp The
red elect rical fault warning lamp is lit.
*T here is a fault in the electrics. #
Notethe messages on the multifunction displa y.442
Displaymessa ges and warning/indicator lamps

Re
sidual heat ....................................... 154
Setting (MBUX multimedia sy stem) ..... 15 2
Setting the air distribution ...................1 51
Setting the air flow ............................... 151
Setting the climate style ......................1 53
Setting the fragrance sy stem ............... 154
Setting thete mp erature ....................... 151
St ationary heater/ ventilation .............. 15 6
Switching on/off ................................. 15 2
Switching there ar wind owheater
on/off .................................................. 151
THERMATIC contro l panel .................... 151
THERMOTRONIC contro l panel ............151
Ve ntilating theve hicle (con venience
opening) ................................................ 86
Wi ndsc reen heating ............................. 15 6
Climate style
Fu nction .............................................. 15 3
Setting ................................................. 15 3
Cockpit ........................................................ .6
Overview .................................................6
Cof fee cup symbol
see ATTENTION ASSIST
Collision de tection (pa rked vehicle) ......19 2 Combination switch
................................13 5
Combined luggage co ver and net
At tach ing tothere ar seat backrest .... .123
Ins talling/ removing ............................. 12 2
Compu ter
see On-board computer
Consum ption indicator
Calling up ............................................ .176
Con venience closing ................................. 87
Con venience opening ................................ 86
Coolant (engine) Check le vel .......................................... 314
No tes ................................................... 373
Cooling see Climate control
Copyright .................................................. .34
Cornering light ........................................ .136
Cross Traf fic Alert .................................. .238
Crosswind Assist Function/no tes ................................... 19 8
Cruise control .......................................... 204
Ac tivating ............................................ 205 Buttons ................................................ 205
Calling up a speed ............................... 205
Deactivating ........................................ 205
Fu nction .............................................. 204
Re quirements ...................................... 205
Selecting ............................................ .205
Setting a speed ................................... 205
St oring a speed ................................... 205
Sy stem limitations ...............................2 04 D
Dashboard see Cockpit
Data acquisition Vehicle ................................................... 31
Data storage
Electronic control units .......................... 31
Online services ...................................... 33
Ve hicle ................................................... 31
Deactivating the ala rm(ATA ).................... 94
Deale rship
see Qualified speciali stwo rkshop
Declaration of conformity Electromagnetic compatibility ............... 24 Index
457

é
ATTENTION ASSIS T:Take a
break! .................................................. 412
: Automatic driving lights inoper‐
ative .................................................... 385
Á Change key bat teries ................. 383
J Check brake fluid le vel.............. .403
# Checkbrake pads See Owner's
Manual ................................................ 403
5 Check eng. oil le v.when next
re fuelling ............................................. 433
ï Checktrailer hitch lo ck.............. 390
h Check tyre(s) .............................. 427
! Clean the fuel filter .................... .396
É Compressor is cooling ................41 0
ÿ Coolant Stop vehicle Switch
engine off ............................................ 395
_ Currently una vailable Camera
view restricted ..................................... 416
ç Currently una vailable Radar
sensors dirty ........................................ 41 5!
currently una vailable See Own‐
er's Manual .......................................... 41 8
÷ currently una vailable See Own‐
er's Manual .......................................... 419
5 Engine oil le vel cannot be
measured ............................................ 436
5 Engine oil le velRe duce oil le vel
............................................................. 434
5 Engine oil le velSt op vehicle
Switch engine off ................................ 434
5 Engine oil pressure Stop
Switch off engine ................................ 435
ä Fault Drive at max. 80 km/h ...... 408
6 Front left malfunction Consult
wo rkshop (e xample)............................ 380
& inoperative Battery low .............. 388
& inoperative Refuel vehicle ..........3 88
& inoperative See Owner's Man. ... 388
! inoperative See Owner's Man‐
ual ....................................................... .419 ÷
inoperative See Owner's Man‐
ual ....................................................... 420
T inoperative See Owner's Man‐
ual ....................................................... 421
G Inoperati ve................................. 422
î inoperati ve.................................. 416
: Intellige nt Light Sy stem inoper‐
ative ....................................................3 86
Á Key not de tected (red displ ay
messa ge).............................................3 84
Á Key not de tected (white displ ay
messa ge).............................................3 84
: Left dipped beam (e xamp le) ...... .385
6 Left wind owbag malfunction
Consult workshop (e xample).............. .380
¢ Lowe ring .................................... 409
: Malfunction See Owner's Man‐
ual ....................................................... 385
É Max. speed 35 km/h (red dis‐
pl ay messa ge)...................................... 411 Index
459

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

Opening
the tailgate using your foot
HANDS-FREE ACCESS .......................... .82
Operating fluids
Ad Blue ®
............................................... 370
Ad ditives (fuel) .................................... 368
Brake fluid .......................................... .373
Coolant (engine) .................................. 373
Engine oil ............................................. 371
Fu el (diesel) ......................................... 368
Fu el (petrol) ......................................... 367
No tes .................................................. 365
Wi ndsc reen washer fluid ...................... 374
Operating saf ety
48 V on-boa rdelectrical sy stem ............ 22
Declaration of confo rmity (elect ro‐
magnetic compatibility) ......................... 24
Declaration of conformity (ja ck) ............ 27
Declaration of conformity (TIREFIT kit) .. 28
Declaration of conformity (wireless
ve hicle components) ............................. 24
EQ Boo st............................................... 22
Information ............................................ 22
Ope rating sy stem
see On-board computer Optimised acceleration
...........................167
Ac tivating ............................................ .167
Outside mir rors ............................... 147, 14 8
Anti-dazzle mode (automatic) .............. 14 8
Au tomatic mir rorfo lding function ........ 15 0
Fo lding in/out .................................... .147
Operating the memory function ........... 11 5
Pa rking position .................................. .149
Setting ................................................. 147
Overhead control panel Overview ................................................ 12
Owner's Manual Vehicle equipment ................................. 22
Owner's Manual (digital) ...........................18 P
Pa int code ................................................ 363
Pa intwork (cleaning instructions) ..........318
Pa nel heating
Setting .................................................1 07
Pa norama sliding sunroof
see Sliding sunroof Pa
rk position
Inserting .............................................. 178
Selecting au tomatical ly........................ 178
Pa rking
see Electric parking brake
Pa rking aid
see Parking Assist PARKTRONIC
Pa rking Assist PARKTRONIC .................. 223
Ac tivating ............................................ 226
Ad justing warning tones ...................... 227
Deactivating ........................................ 226
Fu nction .............................................. 223
Sy stem limitations ...............................2 23
Pa rking assistance sy stems
see Active Parking Assist
Pa rking brake
see Electric parking brake
Pa rking lights .......................................... .133
Pa rking position
Outside mir rors ................................... 14 9
St oring the position of the passenger
outside mir ror using reve rsege ar ........ 14 9
Pa rking up ................................................ 19 3 Index
473

W
Wa rning lamps
see Warning/indicator lamps
Wa rning sy stem
see ATA (anti-theft alarm sy stem)
Wa rning triangle
Re moving ............................................ 323
Setting up ............................................ 324
Wa rning/indicator lamp
! ABSwarning lamp ...................... 446
J Brake sy stem warning lamp
(red) .................................................... 444
J Brake sy stem warning lamp
(yellow) ................................................ 444
ÿ Coolant warning lamp ................ 440
! Electric pa rking brake indicator
lamp (red) ............................................ 443
# Electrical fault warning lamp ...... 442
; Engine diagnosis warning lamp .. 442
å ESP®
OFF warning lamp ............ .448
÷ ESP®
wa rning lamp flashes ........ 447÷
ESP®
wa rning lamp lights up ...... 447
8 Fuelreser vewarning lamp
lights up .............................................. 443
Ù Powe rst eering warning lamp
(red) .................................................... 440
6 Restra int sy stem warning lamp .. 438
ü Seat belt warning lamp flashes .. 438
ü Seat belt warning lamp lights
up ........................................................ 439
ä Suspension warning lamp (yel‐
low) .................................................... .446
! The electric parking brake (yel‐
low) indicator lamp .............................. 443
ï Trailer tow hit chwarning lamp .. .439
h Tyre pressure monitoring sys‐
te m wa rning lamp flashes .................. .449
h Tyre pressure monitoring sys‐
te m wa rning lamp lights up ................ .449
L Warning lamp for dis tance
wa rning function ................................ .445 Wa
rning/indicator lamps .......................436
Overview ............................................. 436
PA SSENGER AIR BAG ............................ 46
Wa rranty ..................................................... 31
Wa sher fluid
see Windsc reen washer fluid
Wa shing byhand (care) ........................... 318
Wa ter tank
see Air-water duct
We ather information ............................... 283
We b br owser
Overview ............................................. 294
Wheel change
Fitting a new wheel ............................ .358
Lo we ring theve hicle ........................... 359
Preparation ......................................... 355
Ra ising theve hicle .............................. 355
Re moving a wheel .............................. .358
Re moving/fitting hub caps .................. 355
Wheel change
see Emergency spa rewheel
Wheel rotation ........................................ .353 Index
483