service MERCEDES-BENZ E-CLASS ESTATE 2020 Repair Manual

Display messages
Possible causes/consequences and M
MSolutions
ÿ Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the engine. &
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. #
Wait until the engine has cooled down. #
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
th e coolant temp erature display remains below 120°C.
ÿ *T
hefan mo tor is defective. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C. Displ
aymessa ges and warning/indicator lamps 395

Display messages
Possible causes/consequences and M
MSolutions
Active Brake Assist Func-
tions limited See Owner's
Manual *
Ve hicles with the Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE ®
PLUS are temp orarily una vailable or only partially available.
Ve hicles without the Driving Assistance Package: Active Brake Assi stistemp orarily una vailable or only partially
av ailable. #
Consult a qualified specialist workshop. Mercedes me connect
Display messages
Possible causes/consequences and M MSolutions
Mercedes me connect
Services limited See Own-
er's Manual *T
hevehicle functions forfa ult de tection are restricted.
At least one of the main functions of the Mercedes me connect sy stem is malfunctioning. #
Obser vethe no tes on the diagnostics connection (/ page 29). #
Consult a qualified specialist workshop.
G Inoperative *A
t least one of the main functions of the Mercedes me connect sy stem or of the SOS emer gency call sy stem is
malfunctioning. #
Consult a qualified specialist workshop. 422
Display messages 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

Ac
tive Speed Limit Assi st....................... 213
Displ ay................................................. 213
Fu nction ............................................... 213
Ac tive Steering Assist ............................ .215
Ac tivating/deactivating ...................... .217
Ac tive Emergency Stop Assist .............. 217
Fu nction ............................................... 215
Sy stem limits ....................................... 215
Ac tive Traf fic Jam Assist
Ac tivating/deactivating ...................... .218
Fu nction ............................................... 218
Ad aptive brake lights .............................. 203
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive Highbeam Assist
Fu nction .............................................. 13 8
Switching on/off ................................. 13 9
Ad aptive Highbeam Assist Plus
Fu nction .............................................. 13 9
Switching on/off .................................. 141
Ad Blue ®
.................................................... 370
Ad ditives .............................................3 70
Capacity .............................................. 370No
tes ................................................... 184
Purity ................................................... 370
To pping up ...........................................1 84
Ad ditional door lo ck.................................. 74
Ad diti ves.................................................. 371
Ad Blue ®
............................................... 370
Engine oil ............................................. 371
Fu el ..................................................... 368
Ad diti ves (AdBlue ®
)
see AdBlue ®
Ad diti ves (engine oil)
see Additives
Ad diti ves (fuel)
see Fuel
ADS PLUS damping sy stem
see AIR BODY CONTROL
Ad versewe ather light ............................ .138
Af ter-sales service centre
see ASS YST PLUS
AIR BODY CONT ROL................................ 220
Setting ................................................ .221
Suspension .......................................... 220 Air conditioning menu
Calling up ............................................ 15 2
Air distribution Setting ................................................ .151
Setting (MBUX multimedia sy stem) ..... 15 3
Air freshener sy stem
see Frag rance sy stem
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIR BODY CONTROL
Air vents ................................................... 16 0
Ad justing (front) .................................. 16 0
Ad justing (rear) .................................... 161
Glo vebox .............................................1 61
Air vents
see Air vents
Ai r-conditioning sy stem
see Climate control
Air-recirculation mode ............................154452
Index

Air-water duct
.......................................... 316
Ke eping free ........................................3 16
Airbag ........................................................ .41
Ac tivation .............................................. 36
Fr ont airbag (driver, front passenger) ..... 41
Ins tallation locations .............................. 41
Knee airbag ............................................ 41
Overview ................................................ 41
PA SSENGER AIR BAG indicator lamp .... .46
Pr otection ..............................................42
Re duced pr otection ...............................43
Side airbag ............................................. 41
Wi ndow airbag ....................................... 41
Airflow Setting ................................................ .151
Alarm sy stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Ambient lighting Setting (multimedia sy stem) ................1 42
Android Auto
see Smartphone integration Animals
Pets in theve hicle ................................. 70
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft pr otection
Ad ditional door lock ...............................74
Immobiliser ........................................... 93
Anticipatory occupant pr otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay ®
see Smartphone integration
Assistance sy stems
see Driving saf ety sy stem
ASS YST PLUS ........................................... 308
Battery disconnection pe riods .............3 09
Displ aying the service due date ........... 308
Fu nction/no tes ................................... 308
Re gular maintenance work .................. 308 Special service
requ irements .............. 308
ATA (anti-theft ala rmsystem) .................. .94
Deactivating the alarm .......................... 94
Fu nction ................................................ 94
Fu nction of interior pr otection ............... 95
Priming/deactivating interior pr otec‐
tion ........................................................ 96
Priming/deactivating tow- aw ay pro‐
te ction ................................................... 95
To w- aw ay protection function ................94
AT TENTION ASSI ST.......................... 239, 241
Fu nction .............................................. 239
Setting ................................................. 241
Sy stem limitations ...............................2 39
At tention assistant
see ATTENTION ASSIST
Au thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights .........................13 4
Au tomatic engine start (ECO start/
sto p function) .......................................... 17 0 Index
453

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

Cruise cont
rol and Limiter inope ra‐
tive ...................................................... 404
Cruise control inope rative ................... 404
Cruise control off ................................ 404
Fr ont-passenger airbag disabled See
Owner's Manual ................................... 381
Fr ont-passenger airbag enabled See
Owner's Manual ................................... 381
Hazard warning lamps malfunction‐
ing ...................................................... .387
Limiter inoperative .............................. 405
Limiter passive .................................... 404
Mercedes me connect Services limi‐
te d See Owner's Manual .....................422
Mo tor can be star ted again .................4 25
N permanently active Risk of vehicle
ro lling .................................................. 398
Not in cur rent drive program ................411
Only select Park (P) when vehicle is
st ationary ............................................ 396 Place
theke y in the mar ked space
See Owner's Manual ...........................384
PRE-SAFE impulse side inoperative
See Owner's Manual ........................... 382
PRE-SAFE inoperative See Owner's
Manual ................................................ 382
Re duce speed ...................................... 429
Re versing not poss. Consult work‐
shop ....................................................3 98
Risk of vehicle rolling Driver door
open and transmission not in P ...........397
Ru n Flat Indicator inope rative ............. 430
Speed limit (winter tyres) XXX km/h ... 406
St op vehicle Lea veengine running
Wa itTransmission cooling ...................399
To shift out of P or N,depress brake
and start engine .................................. 397
To switch off the engine, press the
St art/ Stop button for at least 3 sec‐
onds or 3 times. .................................. 394 Tr
af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ......................412
Tr af fic Sign Assi stinope rative .............. 413
Tr ansmission Malfunction Stop ........... 398
Ty re press. monitor cur rently una vail‐
able .................................................... .426
Ty re press. monitor inoperative ...........426
Ty re press. monitor inoperative No
wheel sensors .................................... .426
Ty re pressure Check tyres ...................429
Ty re(s) ove rheated ...............................4 28
Wi thout changing gear, consult work‐
shop ....................................................3 98
Display on the windscreen
see Head-up display
Distance control see Active Dis tance Assi stDISTRONIC
DI STRO NIC
see Active Dis tance Assi stDISTRONIC
Door Additional door lock ...............................74 462
Index

Medical aids
............................................... 31
Memory function Function ............................................... 11 4
Head-up display — Calling up stored
settings ................................................ 11 5
Head-up display — Storing settings ...... 11 5
Operating ............................................. 11 5
Outside mir rors — Calling up stored
settings ................................................ 11 5
Outside mir rors —St oring settings .......1 15
Seat — Calling up stored settings ......... 11 5
Seat — Storing settings ........................ 11 5
St eering wheel — Calling up sa ved
settings ................................................ 11 5
St eering wheel — Saving settings ......... 11 5
Menu (on-board computer) Head-up display ................................... 262
Overview ............................................. 259
Mercedes me app Information .......................................... 293
Mercedes me calls Arranging a service appointment ......... 291
Calling the Mercedes-Benz Cus tomer
Centre ................................................. 290 Calling
the Mercedes-Benz Cus tomer
Centre af ter auto matic accident or
breakdown de tection ........................... 290
Consenting todata transfer .................2 91
Information .......................................... 290
Making a call via theove rhead con‐
trol panel ............................................. 289
Tr ans ferred data ..................................2 92
Mercedes me connect Accident and Breakdown Manage‐
ment .................................................... 288
Information .......................................... 287
Tr ans ferred data ..................................2 89
Mercedes-AMG vehicles
No tes ................................................... 16 2
Mercedes-Benz emer gency call sys‐
te m ........................................................... 296
Au tomatic emergency call ................... 297
Information .......................................... 296
Information on data transfer ............... 298
Manual emer gency call ........................ 298
Overview ............................................. 296
Self-diagnosis (Russia) ........................ 299
St arting/ending ERA-GLONASS test
mode .................................................. .299 Mercedes-Benz Link
see Smartphone integration
Mercedes-Benz service centre see Qualified specialist workshop
Message (multifunction display) see Display message
Message memory .................................... 379
Mir rors
see Outside mir rors
Mobile phone Frequencies ......................................... 362
Tr ansmission output (maximum) ........ .362
Wi reless charging ................................ 131
Mobile phone see Smartphone integration
see Telephone
Model series see Vehicle identification plate
MOExtended tyres ..................................3 25
Mo torw ay mode ....................................... 137
MULTIBEAM LED ...................................... 13 6 Index
471

Multifunction display
Overview of the displa ys...................... 261
Multifunction steering wheel
Overview of buttons ............................ 259
Multifunction steering wheel
see Steering wheel
Multimedia sy stem
Ac tivating/deactivating DSR ............... 208
Collision de tection (pa rked vehicle) ..... 19 2
Multimedia sy stem
see Display (multimedia sy stem)
see MBUX Interior Assis tant (multi‐
media sy stem)
see MBUX multimedia sy stem
see Touchpad N
Na vigation
No tes ................................................... 277
Overview ............................................. 279
Showing/hiding the menu ...................2 78
Switching on ........................................ 278
Na vigation
see Destination entry see Map
see
Route
Ne arField Communication (NFC)
Locking theve hicle (Digital Vehicle
Ke yst icke r) ............................................ 76
St arting theve hicle (Digital Vehicle
Ke yst icke r) .......................................... 16 4
Un locking theve hicle (Digital Vehicle
Ke yst icke r) ............................................ 76
Ne utral
Engaging .............................................. 17 7
Note s........................................................ 167
Optimised acceleration ........................ 167 O
Occupant saf ety
see Airbag
see Automatic front passenger front
airbag shutoff
see Pets in theve hicle
see PRE-SAFE ®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
Impulse Side see PRE-SAFE
®
PLUS (anticipatory
occupant pr otection plus)
see Restra int sy stem
see Seat belt
Oil see Engine oil
On-board computer ................................. 259
Displaying the service due date ........... 308
Head-up display menu .........................2 62
Multifunction display ........................... 261
Operating ............................................ 259
Overview of menus .............................. 259
On-board diagno stics inter face
see Diagno stics connection
On-boa rdelectronics
Engine electronics .............................. .361
No tes ................................................... 361
Tw o-w ayradios .................................... 361
Online services Data storage .......................................... 33
Online services see In-Car Of fice
Open-source so ftwa re .............................. 34 472
Index

Seat belt adjustment
Activating/deactivating ......................... 40
Fu nction ................................................ 40
Seat belt tensioners
Ac tivation .............................................. 36
Seat belt warning
see Seat belt
Seat co ver (Care) .................................... .321
Seat heater Activating/deactivating ...................... .106
Seat ventilation
Switching on/o ff................................. 107
Selecting a gear
see Changing gears
Selector le ver
see DIRECT SELECT le ver
Self-test Automatic front passenger front air‐
bag shutoff ............................................ 46
Sensors (care) .......................................... 319
Service see ASS YST PLUS Service centre
see Qualified specialist workshop
Service inter val display
see AS SYST PLUS
Setting a speed see Cruise control
Setting the map scale
see Map
Shift paddles see Steering wheel gearshift paddles
Shifting gears
Gea rshift recommendation .................. 17 9
Side airbag .................................................41
Side windo ws............................................. 85
Au tomatic function ................................ 86
Child saf ety lock in there ar .................. .69
Closing .................................................. 85
Closing using theke y ............................ .87
Con venience closing .............................. 87
Con venience opening ............................ 86
Opening ................................................. 85
Opening wi th theke y ............................ .86
Problem .................................................87 Ra
in-closing feature .............................. .86
Ro ller sunblind ...................................... 92
Sliding sunroof .......................................... 88
Au tomatic features ................................ 91
Closing .................................................. 88
Closing using theke y ............................ .87
Opening .................................................88
Opening with theke y ............................ .86
Problem .................................................91
Ra in-closing feature .............................. .91
Smartphone see Smartphone integration
see Telephone
Sma rtphone integ ration ........................ .295
Overview ............................................. 295
Snow chains ............................................ 345
Soc ket (12 V) ............................................ 12 9
Fr ont centre console ........................... 12 9
Software update System updates ................................... 275
Sound PRE-SAFE ®
Sound ................................. 49
Wheels and tyres ................................. 345 Index
477