2022 MERCEDES-BENZ E-CLASS SALOON check engine

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Notethe messages on the instrument displa y.
If t
If t he coolant t
he coolant t em
emper
per atur
atur e displa
e displa y is at t
y is at the low
he lower end of t
er end of t he t
he tem
emper
per atur
atur e scale:
e scale: #
Consult a quali/ed specialist workshop.
If t
If t he coolant t
he coolant t em
emper
per atur
atur e displa
e displa y is at t
y is at the upper end of t
he upper end of t he t
he tem
emper
per atur
atur e scale:
e scale: #
Exit theve hicle and keep a safe distance from it until the engine has cooled down. #
Check the coolant le vel (/ page 346). #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop. In doing so, ensu rethat the
coolant temp erature display remains below 120°C.
ÿ
Coolant warning lamp (yel-
low) *T
he yellow coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R The charge air, transmission oil or battery cooling is faulty
R The radiator shutters are bloc ked or defective #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop. 488
488
Displ
aymessages and warning/indicator lamps

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
;
Engine diagnosis warning
lamp *T
he yellow engine diagnostics warning lamp is lit while the engine is running.
A malfunction has occur red in the engine, theex haust system or the fuel system.
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 quali/ed specialist workshop.
V
V ehicles wit
ehicles wit h a diesel engine:
h a diesel engine: the fuel tank may ha vebeen run dr y. #
Start the engine thre eto four times aTer refuelling.
If th eye llow engine diagnosis warning lamp goes out, emer gency ope ration mode is cancelled. The vehicle need not
be checked.
# Electrical fault warning lamp *T
hered electrical fault warning lamp is lit.
There is a fault in the electrics. #
Notethe messages on the instrument displa y.
8
Fu elreser vewarning lamp
lights up *T
he yellow fuel reser vewarning lamp lights up while the engine is running.
The fuel supply has dropped into there ser verange. #
Refuel. Display messages and
warning/indicator lamps
489
489

Displa
Displa
y (on-boar
y (on-boar d com
d comput
puter)
er)
Displa yson the inst rument displa y......... 288
Displa
Displa y message
y message
Calling up in the on-board computer.......4 13
Displa
Displa y messag
y messag es
es
ç - - - km/h..................................... 451
È - - - km/h..................................... 450
h - - - km/h..................................... 450
# 12 V battery See Owner's Man-
ual......................................................... 467
Û 48 V battery See Owner's Man-
ual......................................................... 469
ò Acoustic presence indicator
inoperative............................................ .427
: Active Light System inoperative..... 421
¯ AdBlue system fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km.................................................. 477
¯ AdBlue system fault Emer gency
op. in XXX miles See Owner's Manual.... 477 ¯
AdBlue system fault Engine
start not possible................................... 478
¯ AdBlue system fault See Own-
er's Manual............................................ 477
5 Add 1 litre engine oil when next
re fuelling ............................................... 479
é ATTENTION ASSIST inoperati ve..... 449
é ATTENTION ASSIS T:Take a
break!.................................................... 449
: Automatic driving lights inoper-
ative...................................................... 421
Û Battery overheated Stop, every-
body out! Outdoors if possible ........ 429, 469
Á Change key batteries .................... 418
è Charger cable connected .............. 427
J Check brake 0uid le vel.................. 448
5 Check eng. oil le v.when next
re fuelling ............................................... 478
ï Check trailer hitch lo ck(white
display message) .................................... 434 h
Check tyre(s) ................................ 472
! Clean the fuel /lter....................... 441
ÿ Coolant Stop vehicle Switch
engine o............................................... 440
! currently una vailable See Own-
er's Manual............................................4 62
÷ currently una vailable See Own-
er's Manual............................................4 63
5 Engine oil le vel cannot be meas-
ured....................................................... 481
5 Engine oil le velRe duce oil le vel..... 479
5 Engine oil le velSt op vehicle
Switch engine o.................................... 479
5 Engine oil pressure Stop Switch
o. engine.............................................. 480
ä Fault Drive at max. 80 km/h ......... 460
6 Front leT malfunction Consult
wo rkshop (e xample)...............................4 15
& inoperative Battery low................. 424
& inoperative Char geHV battery...... 425 Ind
ex
505 505

Ac
tive Steering Assist cur rently
una vailable See Owner's Manual ............ 453
Ac tive Steering Assist inoperative...........4 53
Ac tive Stop-and-Go Assist cur rently
una vailable see Owner's Manual .............454
Ac tive Stop-and-Go Assist inoperative
See Owner's Manual.............................. 454
Ad aptive Highbeam Assist cur rently
una vailable See Owner's Manual ............ 422
Ad aptive Highbeam Assist inoperative ....4 23
Ad aptive Highbeam Assist Plus cur-
re ntly una vailable See Owner's Manual ... 423
Ad aptive Highbeam Assist Plus inop-
erative.................................................. .423
Apply brake todeselect Park (P) posi-
tion....................................................... .442
Apply brake toselect D or R ...................442
Apply brake toselect R .......................... 442
Au xiliary battery malfunction (red dis-
play message) ....................................... .444 Au
xiliary battery malfunction (white
displ aymessage) .................................... 444
Beginning emer gency stop..................... 453
Blind Spot Assist cur rently una vailable
See Owner's Manual.............................. 455
Blind Spot Assist inoperative.................. 455
Blind Spot Assist not available when
to wing a trailer See Owner's Manual ...... 456
Cann otstart engine See Owner's
Manual.......................................... 439, 470
Charging fault Please change charging
me thod See Owner's Manual .................428
Charging me thod cur rently una vaila-
ble Please try again or change charg-
ing me thod............................................ 428
Check brake pads See Owner's Man-
ual........................................................ .448
Check tyre pressures then restart Run
Flat Indicator......................................... 475
Cruise control and Limiter inoperative.... 450 Cruise control inoperative...................... 450
Cruise control o....................................4
50
Device de tected at diagnostics con-
nection See Owner's Manual................. .467
Fr ont-passenger airbag disabled See
Owner's Manual .................................... .416
Fr ont-passenger airbag enabled See
Owner's Manual .................................... .417
Hazard warning lamps malfunctioning .... 424
Head-up display cur rently una vailable
See Owner's Manual.............................. 435
Head-up display inoperative ...................435
Limiter inoperative................................. 450
Limiter passive....................................... 450
Mo tor can be star ted again .................... 470
N permanently active Risk of vehicle
ro lling....................................................4 43
Not possible tounlock charging cable
See Owner's Manual.............................. 427 508 508
Index

Only electric drive
available Power
limited................................................... 428
Only select Park (P) when vehicle is
stationary.............................................. 441
Pa rking Assist and PARKTRONIC inop-
erative See Owner's Manual................... 462
Place theke y in the mar ked space
See Owner's Manual.............................. 420
PRE-SAFE impulse side inoperative
See Owner's Manual.............................. 418
PRE-SAFE inoperative See Owner's
Manual.................................................. 418
Re duce speed........................................ 474
Re duced drive system per form ance
See Owner's Manual.............................. 429
Re versing not poss. Consult workshop ... 443
Risk of vehicle rolling Driver door
open and transmission not in P .............. 442
Ru n Flat Indica tor inoperative................. 475
Speed limit (winter tyres) XXX km/h ....... 452St
op vehicle Lea veengine running
Wa itTransmission cooling ......................444
To shiT out of P or N,depress brake
and start engine.................................... .442
To switch o. the engine, press the
St art/ Stop button for at least 3 sec-
onds or 3 times...................................... 439
Tr a1c Sign Assist cur rently una vaila-
ble See Owner's Manual........................ 455
Tr a1c Sign Assist inoperative................. 455
Tr ansmission Malfunction Stop............... 443
Ty re press. monitor cur rently una vaila-
ble......................................................... 471
Ty re press. monitor inoperative .............. 471
Ty re press. monitor inoperative No
wheel sensors ........................................ 471
Ty re pressure Check tyres ...................... 474
Ty re(s) ove rheated .................................. 473
Ve hicle not cur rently being charged
Charging station fault............................. 428 Wi
per malfunctioning .............................438
Wi thout changing gear, consult work-
shop ............................................. .430, 443
Wi thout starting engine again, consult
wo rkshop ............................................... 430
Displa
Displa ying r ying road names/house numbers
oad names/house numbers .......3 11
Dist Dist ance contr ance contr ol
ol,Active Distance Assist
DISTRONIC, DISTRONI C............................... 229
Dist
Dist ance w
ance w ar
arning
ning, Active Brake Assist.......... 240
DIS
DIS TR
TR ONIC
ONIC
Ac tivating............................................... 232
Ac tive Distance Assist............................ 229
Deactivating variable limi ter.................. .232
Door
Door
Additional door loc k................................. 84
Child saf ety lock (rear door )..................... 78
Emer gency key......................................... 88
Opening (from the inside)......................... 85
Po we r closing function............................. 88
Unlocking (inside)....................................85
Door contr
Door contr ol panel
ol panel
Seat operation......................................... 16 Index
509
509

EBD (electr
EBD (electr
onic br
onic brak
ake f
e f or
orce dis
ce dis tr
tribution)
ibution) .......222
EC
EC O Assist
O Assist
48 V on-board electrical system..... 180, 183
EC
EC O display
O display ................................................. 179
EC
EC O st
O st ar
art/st
t/st op butt
op butt on
on
Au tomatic engine start/s top.................. 179
EC
EC O st
O st ar
art/st
t/st op function
op function
Au tomatic engine start.......................... .178
Au tomatic engine stop........................... 178
Fu nction................................................ 178
Switching o./on.................................... 179
Electr
Electr ic par
ic parking br
king br ake
ake
Au tomatic............................................. .214
Emer gency braking................................ 216
Manual.................................................. 215
Electr
Electr ical fuses
ical fuses............................................ .374
Electr
Electr omagne
omagne tic com
tic compatibility
patibility
Declaration of conformity......................... 28
Electr
Electr onicSt
onic Stability Pr
ability Pr ogr
ogram
am, ESP ®
............... 220
Emerg
Emerg ency
ency
Fire extinguisher.................................... 357
Fi rs t-aid kit (soT sided).......................... 357
Overview of aids...................................... 18 Saf
etyve st............................................. 356
Wa rning triangle..................................... 357
Emerg
Emerg ency br
ency br aking
aking
Electric parking brake/hand brak e......... 214
Emerg
Emerg ency call
ency call
Au tomatic............................................. .329
Manual.................................................. 330
Emerg
Emerg ency call syst
ency call syst em
em, Mercedes
me connect.................................................. 329
Emerg Emerg encykey
ency key
Door........................................................ 88
Inserting/removing.................................. 83
Emerg
Emerg ency oper ency oper ation mode
ation mode
St art theve hicle.................................... .171
Emerg
Emerg ency
encyshut
shuto.
o.(high-v
(high-v olt
oltag
age on-board
e on-board
electr
electr ical syst
ical syst em)
em)......................................... 169
Emerg
Emerg ency st
ency st op assist
op assist ant
ant,Ac tive Emer-
ge ncy Stop Assist........................................ .239
Emerg
Emerg ency syst
ency syst em
em....................................... 329
Ener
Ener gy
gy0ow
0ow display
display
Fu nction/no tes...................................... 308
Engine
Engine Emer gency ope ration mode.................... 171 Engine number....................................... 397
St
arting assis tance............................... .365
Switching o., start/s top button............ .212
To w- starting........................................... 374
Engine da ta
Engine data
Displaying............................................. .189
DY NAMIC SELECT.................................. 189
Engine electr Engine electronics onics....................................... .394
Engine number Engine number ............................................. 397
Engine oil
Engine oil Additives................................................ 404
Capacity................................................ 405
Checking the oil le vel using the oil
dipstick.................................................. 344
Checking the oil le vel using the on-
board computer..................................... 344
MB-F reigabe or MB-Appr oval.................. 405
Quality................................................... 405
To pping up............................................ .345
Engine st
Engine st ar arting
ting
Re mo teOnline....................................... 172
St art/stop but ton.................................. 171
ERA
ERA -GL
-GLON
ONASS t
ASS t es
est modet mode ............................ .331 Index
511
511

W
W
ar
ar ning/indicat
ning/indicat or lamp
or lamp
! ABSwarning lamp......................... 493
ê Active Brake Assist warning lam p..4 92
J Brake system warning lamp (red)... 491
J Brake system warning lamp (yel-
low)....................................................... 490
ÿ Coolant warning lamp (red)........... 487
ÿ Coolant warning lamp (yellow).......4 88
! Electric parking brake indicator
lamp (red).............................................. 490
# Electrical fault warning lamp
...................................................... 485, 489
; Engine diagnosis warning lamp...... 489
å ESP®
OFF warning lam p................ 495
÷ ESP®
wa rning lamp 0ashes........... 494
÷ ESP®
wa rning lamp lights up......... 494
8 Fuelreser vewarning lamp lights
up.......................................................... 489
Ù Powe r steering warning lamp
(red)...................................................... 485 _
Reduced-po werwa rning lamp....... 484
6 Restraint system warning lam p...... 483
ü Seat belt warning lamp 0ashes...... 484
ü Seat belt warning lamp lights up.... 484
ä Suspension warning lamp (yel-
low)....................................................... 493
Ú System er rorwa rning lam p........... 485
! The electric parking brake (yel-
low) indica tor lam p................................. 490
ï Trailer tow hitch warning lam p....... 486
h Tyre pressure monitoring sys-
te m wa rning lamp 0ashes....................... 496
h Tyre pressure monitoring sys-
te m wa rning lamp lights up.................... 496
L Warning lamp for distance
wa rning function.................................... 492
W
W ar ar ning/indicat
ning/indicat or lam
or lamps
ps
Instrument displa y................................. 481
PA SSENGER AIR BA G............................... 56 W
W
asher
asher 0uid
0uid
Wi ndsc reen washer 0uid........................ 408
W
W ashing b
ashing b y hand
y hand.......................................... 350
W
W at
at er t
er t ank
ank ................................................... 348
W
W eat
eat her inf
her inf or
ormation
mation..................................... 313
W
W eb br ow
eb br owsers
sers
Overview................................................ 326
W
W edge
edge................................................. 386, 387
W
W eight inf
eight inf or
ormation
mation....................................... 397
Wheel c
Wheel c hange
hange
Fi tting a new wheel................................ 391
Lo we ring theve hicle.............................. 391
Preparation............................................ 387
Ra ising theve hicle................................. 388
Re moving a wheel................................. .390
Re moving//tting hub caps..................... 387
Wheel rot
Wheel rotation ation ............................................. 385
Wheels
Wheels Breakdown............................................. 358
Care..................................................... .351
Checking............................................... 377
Checking the tyre temp eratur e............... 380
Fi tting.................................................... 391 Index
529 529