check engine MERCEDES-BENZ E-CLASS COUPE 2021 User Guide

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
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.
; 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. Display messages and
warning/indicator lamps
433
433

:
Automatic driving lights inoper-
ative...................................................... 377
Á Change key batteries .................... 375
J Check brake 0uid le vel.................. 396
5 Check eng. oil le v.when next
re fuelling ............................................... 425
ï Check trailer hitch lo ck(white
display message) .................................... 382
h Check tyre(s) ................................ 418
! Clean the fuel /lter....................... 388
ÿ Coolant Stop vehicle Switch
engine o............................................... 387
! currently una vailable See Own-
er's Manual............................................4 09
÷ currently una vailable See Own-
er's Manual............................................4 10
5 Engine oil le vel cannot be meas-
ured....................................................... 427
5 Engine oil le velRe duce oil le vel..... 426 5
Engine oil le velSt op vehicle
Switch engine o.................................... 426
5 Engine oil pressure Stop Switch
o. engine.............................................. 427
ä Fault Drive at max. 80 km/h ......... 407
6 Front leT malfunction Consult
wo rkshop (e xample)...............................3 72
_ Front leT seat backrest not
loc ked (e xamp le).................................... 385
& inoperative Battery low................. 381
& inoperative Refuel vehicle............. .381
& inoperative See Owner's Man........ 380
! inoperative See Owner's Manual.. .410
÷ inoperative See Owner's Manual.. .411
T inoperative See Owner's Manual.. .412
G Inoperative................................... 413
: Intelligent Light System inopera-
tive........................................................ 378
Á Key being initialised Please wait.... 376 Á
Key not de tected (red display
message).............................................. .376
Á Key not de tected (white display
message).............................................. .375
: LeT dipped beam (e xample).......... 377
6 LeT windowbag malfunction
Consult workshop (e xample).................. 372
¢ Lowe ring....................................... 408
: Malfunction See Owner's Man-
ual ......................................................... 377
ð Maximum speed exceeded ............ 400
Ø ................................................... .422
ç O.................................................3 99
ë O.................................................3 96
! Parking brake See Owner's
Manual..................................................3 92
É Please reduce speed .................... .408
Ý Please wait 48 V battery charg-
ing......................................................... 416
h Rectify tyre pressure ..................... 419 Index
451 451

Ac
tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ............ 404
Ac tive Lane Keeping Assist inoperative... 404
Ac tive Steering Assist cur rently
una vailable due tomultiple emer-
ge ncy stops........................................... 401
Ac tive Steering Assist cur rently
una vailable See Owner's Manual ............ 400
Ac tive Steering Assist inoperative...........4 00
Ac tive Stop-and-Go Assist cur rently
una vailable see Owner's Manual .............401
Ac tive Stop-and-Go Assist inoperative
See Owner's Manual.............................. 402
Ad aptive Highbeam Assist cur rently
una vailable See Owner's Manual ............ 379
Ad aptive Highbeam Assist inoperative ....3 79
Ad aptive Highbeam Assist Plus cur-
re ntly una vailable See Owner's Manual ... 379
Ad aptive Highbeam Assist Plus inop-
erative.................................................. .380 Apply brake
todeselect Park (P) posi-
tion....................................................... .389
Apply brake toselect D or R ...................390
Apply brake toselect R .......................... 390
Au xiliary battery malfunction (red dis-
play message) ....................................... .392
Au xiliary battery malfunction (white
displ aymessage) .................................... 391
Beginning emer gency stop..................... 401
Blind Spot Assist cur rently una vailable
See Owner's Manual.............................. 402
Blind Spot Assist inoperative.................. 403
Blind Spot Assist not available when
to wing a trailer See Owner's Manual ...... 403
Cann otstart engine See Owner's
Manual.......................................... 386, 416
Check brake pads See Owner's Man-
ual......................................................... 396
Check ty repressures then restart Run
Flat Indicator......................................... 421 Cruise control and Limiter inoperative.... 397
Cruise control inoperative...................... 397
Cruise control o....................................3
98
Device de tected at diagnostics con-
nection See Owner's Manual................. .414
Fr ont-passenger airbag disabled See
Owner's Manual .................................... .373
Fr ont-passenger airbag enabled See
Owner's Manual .................................... .373
Hazard warning lamps malfunctioning .... 380
Head-up display cur rently una vailable
See Owner's Manual.............................. 383
Head-up display inoperative ...................383
Limiter inoperative................................. 398
Limiter passive....................................... 398
Mo tor can be star ted again .................... 417
N permanently active Risk of vehicle
ro lling....................................................3 90
Only select Park (P) when vehicle is
stationary.............................................. 389 Index
453 453

Pa
rking Assist and PARKTRONIC inop-
erative See Owner's Manual................... 409
Place theke y in the mar ked space
See Owner's Manual.............................. 376
PRE-SAFE inoperative See Owner's
Manual.................................................. 374
Re duce speed........................................ 420
Re versing not poss. Consult workshop ... 391
Risk of vehicle rolling Driver door
open and transmission not in P .............. 390
Ru n Flat Indica tor inoperative................. 421
Speed limit (winter tyres) XXX km/h .......400
St op vehicle Lea veengine running
Wa itTransmission cooling ......................391
To shiT out of P or N,depress brake
and start engine.................................... .389
To switch o. the engine, press the
St art/ Stop button for at least 3 sec-
onds or 3 times...................................... 386 Tr
a1c Sign Assist cur rently una vaila-
ble See Owner's Manual........................ 402
Tr a1c Sign Assist inoperative................. 402
Tr ansmission Malfunction Stop............... 391
Ty re press. monitor cur rently una vaila-
ble......................................................... 417
Ty re press. monitor inoperative .............. 417
Ty re press. monitor inoperative No
wheel sensors ........................................ 418
Ty re pressure Check tyres ...................... 420
Ty re(s) ove rheated .................................. 420
Wi per malfunctioning .............................386
Wi thout changing gear, consult work-
shop ...................................................... 390
Dist
Dist ance contr ance contr ol
ol
see Active Distance Assist DISTRONIC
DIS DIS TR TRONIC
ONIC
see Active Distance Assist DISTRONIC
Door
Door Additional door loc k................................. 76
Locking/unlocking (emer gency key)........ .80 Opening (from inside)..............................
.77
Po we r closing function............................. 79
Unlocking (from inside)............................ 77
Door contr
Door contr ol panel
ol panel......................................... 14
Dra
Dra wbar
wbar
see Tow- bar system
Dr
Dr iv
ive Awa
e Away Assi st
y Assi st........................................ .237
Dr
Dr iv
ive position
e position
Engaging................................................ 170
Dr
Dr iv
ive pr
e pr ogr
ogr am display
am display .................................. 167
Dr
Dr iv
ive pr
e pr ogr
ograms
ams
see DYNAMIC SELECT
Dr
Dr iv
iver's seat
er's seat
see Seat
Dr
Dr iving abr
iving abr oad
oad
Light adjustment (l owbeam).................. 126
Dr
Dr iving safe
iving safe ty syst
ty system
em
ABS (Anti-lock Braking System)............. .187
Ac tive Brake Assist................................. 207
Ad aptive brake lights.............................. 191
BAS (Brake Assist System).................... .187
Cameras................................................1 85454
454
Index

Emer
gency braking................................ 183
Re leasing automaticall y.......................... 182
Electr
Electr ical fuses
ical fuses
see Fuses
Electr
Electr omagne
omagne tic com
tic compatibility
patibility
Declaration of conformity........................ .24
Electr
Electr onicSt
onic Stability Pr
ability Pr ogr
ogram
am
see ESP ®
(Elect ronic Stability Prog ram)
Emerg
Emerg ency
ency
Fire extinguisher.................................... 317
Fi rs t-aid kit (soT sided).......................... 317
Overview of the help functions.................16
Re moving thewa rning triangle............... 316
Saf etyve st............................................. 316
Setting up thewa rning triangle............... 317
Emerg
Emerg ency br
ency br aking
aking...................................... 183
Emerg
Emerg ency br
ency br aking
aking
see BAS (Brake Assist System)
Emerg
Emerg ency call
ency call
see Me rcedes-Benz emer gency call system
Eme rg
Emerg encykey
ency key
Inserting/ removing.................................. 75
Locking/unlocking the doors................... 80 Emerg
Emerg ency oper
ency oper ation mode
ation mode
St arting theve hicle............................... .156
Emerg
Emerg ency spar
ency spar e wheel
e wheel
No tes..................................................... 352
Engine
Engine Engine number....................................... 357
St arting (emer gency ope ration mode ).... 156
St arting (Remo teOnline)........................ 157
Engine data
Engine data
Displaying.............................................. 167
Engine electr
Engine electr onics
onics
No tes..................................................... 354
Engine number
Engine number ............................................. 357
Engine oil
Engine oil Additives................................................ 364
Capacity................................................ 365
Checking the oil le vel using the on-
board computer..................................... 305
MB-F reigabe or MB-Appr oval.................. 365
Quality................................................... 365
To pping up............................................ .306
ERA ERA -GL
-GLON
ONASS tASS t es
est mode t mode
St arting/ending.................................... .293 Err
Err
or message
or message
see Display message
ESC (Electr
ESC (Electr onicSt
onic Stability Contr
ability Contr ol)
ol)
see ESP ®
(Elect ronic Stability Prog ram)
ESP
ESP ®
®
Crosswind Assis t.................................... 188
Tr ailer stabilisatio n................................ .189
ESP
ESP ®
®
(Electr
(Electr onicSt
onic Stability Pr
ability Pr ogr
ogram)
am)
Ac tivating/deactivating.......................... 189
Fu nction/no tes...................................... 187
EU type appr ov
EU type appr oval number
al number ............................. 357
Ext
Ext er
erior lighting
ior lighting
Care..................................................... .312
Ext
Ext er
erior lighting
ior lighting
see Lights F
F
F
F atigue det
atigue det ection
ection
see ATTENTION ASSIST
F
F ir
ir e e
e e xtinguisher
xtinguisher.......................................... 317
F
F irs
irst-aid kit t-aid kit (soT
(soTsided)
sided)................................ .317 456
456
Index

J
Brake system warning lamp (yel-
low)....................................................... 435
ÿ Coolant warning lamp (red)........... 431
ÿ Coolant warning lamp (yellow).......4 33
! Electric parking brake indicator
lamp (red).............................................. 435
# Electrical fault warning lam p......... 434
; Engine diagnosis warning lamp...... 433
å ESP®
OFF warning lam p................ 440
÷ ESP®
wa rning lamp 0ashes........... 439
÷ ESP®
wa rning lamp lights up......... 439
8 Fuelreser vewarning lamp lights
up.......................................................... 434
Ù Powe r steering warning lamp
(red)...................................................... 430
6 Restraint system warning lam p...... 429
ü Seat belt warning lamp 0ashes...... 429
ü Seat belt warning lamp lights up.... 430
ä Suspension warning lamp (yel-
low)....................................................... 438 !
The electric parking brake (yel-
low) indicator lam p................................. 435
ï Trailer tow hitch warning lam p....... 431
h Tyre pressure monitoring sys-
te m wa rning lamp 0ashes....................... 441
h Tyre pressure monitoring sys-
te m wa rning lamp lights up.................... 441
L Warning lamp for distance
wa rning function.................................... 437
Overview................................................ 427
PA SSENGER AIR BA G............................... 50
W
W arr arr anty
anty........................................................ 34
W
W asher
asher 0uid
0uid
see Windsc reen washer 0uid
W
W ashing b
ashing b y hand (car
y hand (car e)
e)................................ 311
W
W at
at er t
er t ank
ank
see Air-water duct
W
W eat
eat her inf
her inf or
ormation
mation..................................... 275
W
W eb br ow
eb br owsers
sers
Overview................................................ 288 Wheel c
Wheel c
hange
hange
Fi tting a new wheel................................ 350
Lo we ring theve hicle.............................. 351
Preparation............................................ 347
Ra ising theve hicle................................. 348
Re moving a wheel................................. .350
Re moving//tting hub caps..................... 347
Wheel c Wheel c hange
hange
see Emer gency spa rewheel
Wheel rot
Wheel rotation
ation ............................................. 345
Wheels
Wheels Care..................................................... .312
Checking............................................... 337
Checking the tyre pressure (tyre pres-
sure monitoring system)......................... 340
Fi tting.................................................... 350
Flat tyre................................................. 318
Inter changing......................................... 345
MOExtended tyres................................. 318
Noise..................................................... 337
No tes on /tting...................................... 342
Re moving............................................... 350
Re placing...................................... .342, 347
Re placing the hub cap............................ 347 474 474
Index