2021 MERCEDES-BENZ E-CLASS SALOON warning lights

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ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences and0050
0050Solutions
Solutions
00E9
Seat belt warning lamp
0ashes *T
he red seat belt warning lamp 0ashes and an intermittent warning tone sounds.
The driver or front passenger has not fastened his/her seat belt while theve hicle is in motion. #
Fasten your seat belt (/ page 48).
There are objects on the front passenger seat. #
Remo vethe objects from the front passenger seat.
00E9
Seat belt warning lamp
lights up *T
he red seat belt warning lamp lights up once theve hicle has star ted.
In addition, an intermittent warning tone may sound.
The red seat belt warning lamp reminds the driver and front passenger tofasten their seat belts. #
Fasten your seat belt (/ page 48).
If yo u ha veplaced objects on the front passenger seat, there d seat belt warning lamp may remain lit. Hybr
Hybr
id syst
id syst em
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Solutions
_
Re duced warning lamp
po wer *T
heyellow reduced-po werwa rning lamp is on.
Drive system po wer output is reduced. #
Notethe messages on the instrument displa y.502
502
Display message
s andwarning/indicator lamps

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ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences and0050
0050Solutions
Solutions
00B9
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.
003D 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.
00B6
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
507
507

Dr
Dr
iving syst
iving syst ems
ems W
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ossible causes/consequences and uences and0050
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Solutions
L
Wa rning lamp for distance
wa rning function *T
he red distance warning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obstacle at too high a speed. #
Be prepared tobrake immediatel y. #
Increase the distance.
Fu nction of Active Brake Assist (/ page 238).
Ó Ac tive Brake Assist warning
lamp *T
heActive Brake Assist warning lamp is on.
Due todirty sensors or a malfunction, the system is not available or thera nge of functions is restric ted. #
Notethe messages on the instrument displa y.
ê
Ac tive Brake Assist warning
lamp *T
heActive Brake Assist warning lamp is on.
The system is switched o. or thera nge of functions has been automatically restric ted.
This may be the case if the driver is not wearing a seat belt or ano ther driving system has been activated. #
Obser vethe no tes on Active Brake Assist (/ page 238).510
510
Display messages and
warning/indicator lamps

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ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences and0050
0050Solutions
Solutions #
Drive on carefull y. #
Have the brake system checked immediately at a quali/ed specialist workshop. 00E5
ESP ®
wa rning lamp 0ashes *
The yellow ESP ®
wa rning lamp 0ashes while theve hicle is in motion.
One or more wheels ha vereached their grip limit (/ page 219). #
Adapt your driving style tosuit thero ad and weather conditions.
00E5 ESP ®
wa rning lamp lights up *
The yellow ESP ®
wa rning lamp is lit while theve hicle is running.
ESP ®
is malfunctioning.
Other driving systems and driving sa fety systems (e.g. BAS) may also be malfunctioning. #
Notethe messages on the instrument displa y. &
W
WARNI NG
ARNI NGRisk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot carr y outvehicle stabilisation. In addition, other driving saf ety sy stems are
swit ched o.. #
Drive on carefull y. #
Have ESP ®
ch ecked at a quali/ed specialist workshop. 512
512
Displ
aymessages and warning/indicator lamps

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T
yr
yr e pr
e pr essur
essur e monit
e monit or
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ossible causes/consequences and uences and0050
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Solutions
0077
Ty re pressure monitoring
system warning lamp 0ashes *The
yellow tyre pressure monitor warning lamp (pressure loss/malfunction) 0ashes for appr oximately one minute and
th en remains lit.
The tyre pressure monitor is malfunctioning. &
W
WARNING
ARNING There is a risk of an accident if the tyre pressure monitoring system is malfunctioning
The tyre pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tyres.
Ty res with insu1cient tyre pressure may impair the driving characteristics as well as steering and braking. #
Have the tyre pressure monitoring system checked at a quali/ed specialist workshop. 0077
Ty re pressure monitoring
system warning lamp lights
up *T
he yellow tyre pressure monitoring system warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring system has de tected tyre pressure loss in at least one of the tyres. &
W
WARNING
ARNING Risk of an accident due toinsu1cient tyre pressure
R The tyres can burst.
R The tyres can wearexcessively and/or une venly.
R The driving characteristics as well as the steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y.514
514
Display message
s andwarning/indicator lamps

BlueTEC
BlueTEC
see AdBlue ®
Bonnet
Bonnet Function (active bonnet)......................... 360
Opening/closing.................................... 360
Boo
Boo t box
t box
see EAS Y-PA CK bo otbox
Boo
Boo t lid
t lid
Closing.................................................... 87
HANDS-FREE ACCESS............................. 89
Locking separatel y................................... 91
Opening................................................... 86
Br
Br ak ak e Assis
e Assist Syst t System
em
see BAS (Brake Assist System)
Br
Br ak
ak e
e0uid
0uid
No tes..................................................... 425
Br
Br ak
ak e f
e f or
orce disce distr tribution
ibution
EBD (Elect ronic Brake forc e Distribu-
tion)....................................................... 221
Br
Br ak
ak es
es
ABS (Anti-lock Braking System).............. 218
Ac tive Brake Assist................................. 238
Ad aptive brake lights.............................. 223 BAS
(Brake Assist System).................... .218
Driving tips............................................1 72
EBD (Electronic Brake forc e Distribu-
tion)....................................................... 221
HOLD function....................................... 221
Limited braking e.ect (salt-treated
ro ads)................................................... .172
Ne w/replaced brake linings/brake
discs...................................................... 170
Ru nning-in no tes.................................... 170
Br
Br ak ak es
es
see Recuperation
Br
Br aking assist
aking assist ance
ance
see BAS (Brake Assist System)
Br
Br eakdo
eakdo wn
wn
Overvi ewofthe help functions.................18
To w- starting........................................... 392
To wing away.......................................... 388
Tr anspo rting theve hicle........................ .390
Wheel chang e........................................ 405
Br
Br eakdo
eakdo wn
wn
see Flat tyre
Butt
Butt ons
ons
St eering wheel....................................... 283 C
C
Calls
Calls Mercedes me......................................... 338
Camera
Camera Information............................................ 216
Camera Camera see 360° Camera
see Dashcam
see Reversing camera
Car key
Car key
see Key
Car w Car w ash
ash
see Care
Car w
Car w ash (car
ash (car e)
e)............................................ 367
Car
Car -t
-to-X
o-X -Communication
-Communication
Displaying hazard warnings.................... 332
Care
Care 360° camera......................................... 370
Air-water duct........................................ 367
Automatic car wash.............................. .367
Carpet................................................... 372
Decorative foil........................................ 369
Display................................................... 372 520 520
Index

0075
Restraint sys. malfunction Con-
sult workshop ....................................... .434
003D See Owner's Manual..................... 487
Ù Steering malfunction Increased
ph ysical e.ort See Owner's Manual....... 455
Ù Steering malfunction Stop
immediately See Owner's Manual ........... 455
0080 Stop Switch engine o................... 450
003D Stop vehicle Lea veengine run-
ning ....................................................... 488
003D Stop vehicle See Owner's Man-
ual......................................................... 487
00CC Stop vehicle Vehicle too low .......... 479
ç suspended .................................... 470
: Switch o. lights............................ 441
: Switch on headlamps .................... 441
00B4 Tank is dep ressurised Ready for
re fuelling ............................................... 451
00B4 Tank ventilation Malfunction
Consult workshop ................................. .452 á
temp orarily una vailable Camera
view restric ted....................................... 478
¸ temp orarily una vailable Sensors
dirty....................................................... 477
00C8 Top up AdBlue Emer gency op. in
XXX miles See Owner's Manual.............. 494
00BD Top up coolant See Owner ’s
Manual.................................................. 458
00B2 Top up washer 0uid...................... .457
u Towing not permitted See Own-
er's Manual ............................................ 446
ï Trailer coupling extending…........... 453
0024 Turn on the ignition torelease
th e parking brake ................................... 467
0072 Vehicle is operational Switch o.
ignition before exiting............................. 452
00CC Vehicle rising Please wait.............. 480
00CC Vehicle rising ................................ 480
0077 Warning tyre defect....................... 491
0077 Wheel sensor(s) missing ................ 49000C8
XX,X l Top up AdBlue Swit chon
ignition, wait 60 sec. or eng. start not
poss...................................................... 495
"Electric" drive prog ram cur rently
una vailable............................................. 448
Ac tive Blind Spot Assist cur rently
una vailable See Owner's Manual ............ 475
Ac tive Blind Spot Assist inoperative........ 475
Ac tive Blind Spot Assist not available
when towing a trailer See Owner's
Manual.................................................. 476
Ac tive bonnet malfunction See Own-
er's Manual............................................ 455
Ac tive Brake Assist Functions cur-
re ntly limi ted See Owner's Manual .........484
Ac tive Brake Assist Functions limited
See Owner's Manual.............................. 485
Ac tive Distance Assist available again ..... 471
Ac tive Distance Assist cur rently
una vailable See Owner's Manual ............ 470526 526
Index

Light adjus
Light adjustment
tment
Low beam (driving abroad)..................... 134
Light switch
Light switch
Overview................................................ 134
Lighting
Lighting
see Interior lighting
see Lights
Lights Lights Active headlamps................................... 137
Ad aptive Highbeam Assis t...................... 139
Ad aptive Highbeam Assist Plu s............... 140
Au tomatic driving lights......................... .135
Bad weather light................................... 138
City lighting........................................... .138
Combination switc h............................... 136
Cornering light....................................... 137
Driving abroad (low beam light adjust-
ment)..................................................... 134
Fo g light (enhanced).............................. 138
Hazard warning lights............................. 136
Headlamp 0ashing................................. 136
High beam............................................. 136
Intelligent Light System..........................1 37
Light switch........................................... 134
Low beam.............................................. 134 Mo
torw ay mode.................................... .138
Pa rking lights......................................... 134
Re ar fog light......................................... 134
Re sponsibility for lighting systems.......... 134
Setting low beam................................... 142
Setting theex terior lighting switch-o.
delay time.............................................. 142
St anding lights....................................... 134
Switching the Intelligent Light System
on/o....................................................1 38
Switching the sur round lighting on/o.... 142
Tu rn signal indicator............................... 136
Limit
Limit er er
Ac tivating............................................... 226
Buttons.................................................. 226
Calling up a speed................................. 226
Deactivating........................................... 226
Fu nction................................................ 225
Maximum design speed.......................... 183
Pa ssive mode......................................... 225
Pe rm anent setting.................................. 228
Re quirements........................................ 226
Selecting............................................... 226
Setting a speed...................................... 226
St oring a speed.............................. 226, 230 Switching o./deactivating....................
.230
Switching on/activating......................... 230
System limits......................................... 225
Limiting speed
Limiting speed
see Limiter
LIN LIN GUA
GUA TR
TRONIC
ONIC
Ac oustic aids........................................ .292
Fu nction................................................ 316
Impr oving voice qualit y........................... 293
Langua gesetting.................................... 291
Media pla yervo ice commands............... 303
Message voice commands.....................3 06
Multifunction steering wheel (opera-
tion)....................................................... 290
Na vigation voice commands...................2 95
No tes on thevo ice commands............... 293
Online voice control............................... 293
Operable functions................................. 291
Operating saf ety.................................... 290
Ra dio voice commands.......................... 302
Setting (MBUX multimedia system)......... 292
St arting................................................ .317
Switch voice commands......................... 294
Te lephone voice controls........................ 300
Te xt message voice commands.............. 306 Index
535 535