check engine light MERCEDES-BENZ E-CLASS ESTATE 2021 Owners Manual

Optionall
y,obstacles de tected byParking Assist
PA RKTRONIC from a distance of app roximately
1.0 m in front 2and 0.7 m on the side 3can
also be displa yed in the head-up displa y.
Syst
Syst em limits
em limits
Pa rking Assist PARKTRONIC does not necessarily
ta ke into account thefo llowing obstacles:
R Obstacles below the de tection range, e.g. per-
sons, animals or objects.
R Obstacles abo vethe de tection range, e.g.
ov erhanging loads, overhangs or loading
ra mp s of lor ries. R
Pedest rians or animals approaching theve hi-
cle from the side.
R Objects placed next totheve hicle.
Obs tacles on the sides are not shown in thefo l-
lowing situations, forex ample:
R You park theve hicle and switch it o..
R You open the doors.
ATer an engine start, obstacles must be de tected
again bydriving past them before a warning can
be issued.
Obser vethe information on vehicle senso rsand
cameras; the system otherwise cann otfunction
proper ly (/ page 229).
V V ehicles wit
ehicles wit h tr
h trailer hitc
ailer hitc h:
h:Parking Assist
PA RKTRONIC is deactivated forth ere ar zone
when you establish an electrical connection
between your vehicle and a trailer. Pr
Pr
oblems wit
oblems wit h P
h Par
arking Assis
king Assis t P
t PARK
ARK TR
TRONIC
ONIC 1
Vehicles with 360° Camera
2 Vehicles without 360° Camera
If th ePa rking Assist PARKTRONIC display lights
up redfo r appr oximately thre e seconds then goes
out, and theé symbol appears in the inst ru-
ment cluster, the system may ha vebeen deactiva-
te d due tosignal inter fere nce. Start theve hicle
again and check if Parking Assist PARKTRONIC is
wo rking at a di.erent location. Driving and parking
277
277

Opening t
Opening t
he bonnet
he bonnet #
Torelease the bonnet, pull on handle 1. #
Push handle 1ofthe bonnet catch upwards
and liT the bonnet until it opens automaticall y.
Closing t
Closing t he bonnet
he bonnet #
Lowe rth e bonnet toa height of around 20 cm
and then allow it tofall, applying a little force
as you let it go. #
Ifth e bonnet can still be liTed slightl y,open
th e bonnet again and close it with a little more
fo rc e until it engages cor rectl y. Engine oil
Engine oil
Chec
Chec
king t
king t he engine oil lev
he engine oil lev el using t
el using the oil dips
he oil dips tick
tick &
W
WARNING
ARNING Risk of burns from hot compo-
nent parts in the engine compartment
Cer tain component parts in the engine com-
partment can be very hot, e.g. the engine, the
cooler and parts of theex haust system. #
Allow the engine tocool down and only
to uch component parts described in the
fo llowing. R
R
eq
eq uir
uir ements:
ements:
R The engine has an oil dipstic k.If not, the
engine oil le vel can be checked only with the
on-board computer (/ page 378) .
Depending on the engine, the oil dipstick may be
installed in the engine compartment in di.erent
locations. Maintenance and care
377
377

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Place the key in the
marked space See Owner's
Manual *K
eydetection is malfunctioning. #
Change the location of theke y in theve hicle. #
Place theke y in the slot for starting the engine with theke y (/ page 178). Lights Lights
Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
:
Left dipped beam (examp le) *T
he cor responding light source is defecti ve. #
Drive on carefull y. #
Consult a quali/ed specialist workshop immediatel y.
% LED light sources: the display message forth e cor responding light appears only when all the light-emitting diodes
in the light are faulty.
: Malfunction See Owner's
Manual *T
heexterior lighting is malfunctioning. #
Consult a quali/ed specialist workshop.
*V Vehicles wit ehicles wit h a tr
h a trailer hitc
ailer hitc h:
h:a fuse may ha veblown. #
Stop theve hicle in accordance with the tra1c conditions. #
Check the fuses and replace them if necessary (/ page 407).456
456
Display messages 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
525
525

Engaging park position automaticall
y...... 201
Fu nction................................................ 199
Selecting park position........................... 201
Displa
Displa y (car
y (care)
e)............................................... 387
Displa
Displa y (MBUX multimedia syst
y (MBUX multimedia syst em)
em)
Home sc reen......................................... 328
Operating.............................................. 329
Displa
Displa y (on-boar
y (on-boar d com
d comput
puter)
er)
Displa yson the inst rument displa y......... 301
Displa
Displa y in t
y in the windscr
he windscr een
een
see Head-up display
Displa
Displa y message
y message
Calling up (on-board computer).............. 449
No tes..................................................... 449
Displa
Displa y messag y messag es
es
ç - - - km/h.................................... .486
È - - - km/h..................................... 485
h - - - km/h..................................... 485
# 12 V battery See Owner's Man-
ual......................................................... 504
Û 48 V battery See Owner's Man-
ual......................................................... 506 ò
Acoustic presence indicator
inoperative............................................ .463
: Active Light System inoperative..... 457
¯ AdBlue system fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km.................................................. 514
¯ AdBlue system fault Emer gency
op. in XXX miles See Owner's Manual.... 513
¯ AdBlue system fault Engine
start not possible................................... 514
¯ AdBlue system fault See Own-
er's Manual............................................ 513
5 Add 1 litre engine oil when next
re fuelling ............................................... 515
é ATTENTION ASSIST inoperati ve..... 484
é ATTENTION ASSIS T:Take a
break!.................................................... 484
: Automatic driving lights inoper-
ative...................................................... 457 Û
Battery overheated Stop, every-
body out! Outdoors if possible ................ 465
Á Change key batteries .................... 454
è Charger cable connected .............. 463
J Check brake 0uid le vel.................. 483
5 Check eng. oil le v.when next
re fuelling ............................................... 515
ï Check trailer hitch lo ck(white
display message) .................................... 469
h Check tyre(s) ................................ 508
! Clean the fuel /lter....................... 476
É Compressor is cooling .................. 497
ÿ Coolant Stop vehicle Switch
engine o............................................... 475
! currently una vailable See Own-
er's Manual............................................4 99
÷ currently una vailable See Own-
er's Manual............................................5 00
5 Engine oil le vel cannot be meas-
ured....................................................... 517 542 542
Index

Emerg
Emerg
encykey
ency key
Inserting/ removing.................................. 81
Locking/unlocking the door s................... 86
Unlocking theta ilgate.............................. 92
Emerg
Emerg ency oper
ency oper ation mode
ation mode
St arting theve hicle............................... .178
Emerg Emerg ency encyshut
shuto.
o.
see Hybrid system
Emerg
Emerg ency spar
ency spar e wheel
e wheel
No tes..................................................... 426
Ener
Ener gy
gy0ow
0ow display
display
Displayin g.............................................. 341
Fu nction/no tes...................................... 342
Engine
Engine
Engine number....................................... 431
Starting (emer gency ope ration mode ).... 178
St arting (Remo teOnline)........................ 179
Engine data
Engine data
Displaying............................................. .198
Engine electr
Engine electr onics onics
No tes..................................................... 428
Engine number
Engine number............................................. 431 Engine oil
Engine oil
Additives................................................ 438
Capacity........................................ 439, 440
Checking the oil le vel using the oil
dipstick.................................................. 377
Checking the oil le vel using the on-
board computer.....................................3 78
MB-F reigabe or MB-Appr oval.......... 439, 440
Quality.......................................... .439, 440
To pping up............................................ .379
ERA
ERA -GL
-GLON
ONASS tASS t es
est modet mode
St arting/ending.................................... .365
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.................................... 233
Tr ailer stabilisatio n................................. 233
ESP
ESP ®
®
(Electr
(Electronic St
onic Stability Pr
ability Pr ogr
ogram)
am)
Ac tivating/deactivating.......................... 234
Fu nction/no tes...................................... 232
EU type approv
EU type appr oval number
al number ............................. 431 Ext
Ext
er
erior lighting
ior lighting
Car e...................................................... 385
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.......................................... 390
F
F irs
irst-aid kit t-aid kit (soT
(soTsided)
sided)................................. 390
Flacon
Flacon Inserting/removing................................ 164
Flat to
Flat towing
wing
see Tow- bar system
Flat tyre
Flat tyre MOExtended tyres................................. 391
Notes..................................................... 391
TIREFIT kit.............................................. 393
Wheel chang e........................................ 421
Floor mats
Floor mats................................................... 141
F F og light (enhanced)
og light (enhanced) .................................... .146
F
F oil cov
oil cov er
ering
ing
Ra dar and ultrasonic sensor s................. 229 Index
549
549