ECU MERCEDES-BENZ E-CLASS ESTATE 2021 Owners Manual

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
ï
Operation only possible in
transmission position P *T
he ball neck will not swivel because transmission position h,kor neutral iis selected. #
Depress the brake pedal. #
Engage park position j.
ï Trailer coupling extending… *T
he ball neck is retracting/extending.
Do not attem pttospeed up, slow down or initiate the swivel mo vement using your hand, foot or other aids. During the
swivel mo vement, do not couple a trailer.
When the ball neck has reached an operational position, the display message will disappear.
ï Check trailer hitch
lock (white display message) *T
he trailer hitch is not operational during a jou rney with a trailer. &
W WARNING
ARNING Risk of an accident if the ball neck is not loc ked
The trailer may become de tach ed. #
Stop theve hicle immediately in accordance with the tra1c conditions. Do not continue driving. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivel mo vement and do not re-couple the trailer until thewa rning/indicator lamp goes out. #
Initiate a new swivel mo vement (/ page 288). #
When the display message disappears, couple up the trailer and drive on. Display messages and
warning/indicator lamps
469
469

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
If th e display message does not disappear, the trailer hitch is malfunctioning and the ball neck is not loc ked. #
Do not couple up the trailer. Drive on without the trailer. No tethere duced ground clearance due tothe unloc ked
ball nec k. #
Consult a quali/ed specialist workshop.
*W hen theve hicle is stationary with a coupled trailer, the trailer hitch is not operational. #
Uncouple the coupled trailer and secure it against rolling away. #
If t If the ball nec he ball nec k has been re
k has been retr
tract
act ed:
ed: initiate a new swi vel mo vement (/ page 288).
The ball neck will engage vertically in the loc ked position and then engage beneath the bumper. #
If t
If the ball nec
he ball nec k has been e
k has been e xt
xtended:
ended: initiate a new swivel mo vement (/ page 288).
The ball neck will engage beneath the bumper.
If th e display message does not disappear, the trailer hitch is malfunctioning and the ball neck is not loc ked. #
Do not couple up the trailer. Drive on without the trailer. No tethere duced ground clearance due tothe unloc ked
ball nec k. #
Consult a quali/ed specialist workshop.
Head-up display currently
unavailable See Owner's
Manual *T
he head-up displ ayistemp orarily una vailable. Possible causes:
R malfunctions in the po wer supply
R signal inter fere nce #
Stop in accordance with the tra1c conditions and switch theve hicle o. and on again. 470 470
Displ
aymessages and warning/indicator lamps

Br
Br
ak
ak es
es Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
!
Parking brake See Owner's
Manual *T
heyellow ! indicator lamp is lit. The electric parking brake is malfunctioning.
T
T o apply o apply :
: #
Switch theve hicle o. and switch it back on #
App lythe electric parking brake manually (/ page 227).
If it is not possible toapply the electric parking brake: #
Consult a quali/ed specialist workshop. #
Where necessar y,also secure the par kedve hicle against rolling away.
*T heyellow ! indicator lamp and there d! indicator lamp are lit. The electric parking brake is malfunctioning.
T
T o r
o r elease:
elease: #
Switch theve hicle o. and switch it back on #
Release the electric parking brake manually (/ page 227).
or #
Release the electric parking brake automatically (/ page 227).
If it is still not possible torelease the electric parking brake: #
Do not continue driving. Consult a quali/ed specialist workshop.
*T heyellow ! indicator lamp is lit and there d! indicator lamp is 0ashing. The electric parking brake is malfunc-
tioning. 480
480
Display messages and
warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
The electric parking brake could not be applied or released. #
Switch theve hicle o. and switch it back on
T
T o apply
o apply :
: #
Release and then apply the electric parking brake manually (/ page 227).
T T o r o r elease:
elease: #
Apply and then release the electric parking brake manuall y.
If it is not possible toapply the electric parking brake or there d! indicator lamp continues to0ash: #
Do not continue driving. Consult a quali/ed specialist workshop. #
Where necessar y,also secure the par kedve hicle against rolling away.
*T heyellow ! indicator lamp is lit and there d! indicator lamp 0ashes for appr oximately ten seconds aTer the
electric parking brake has been applied or released. It then remains lit or goes out. The electric parking brake is mal-
functioning.
If t
If t he st he st at
ate of c
e of c harg
harge is t
e is t oo low
oo low :
: #
Char gethe 12 V batter y.
T
T o apply
o apply :
: #
Switch o. theve hicle.
The elect ric parking brake will be applied automatical ly. Display messages and
warning/indicator lamps
481
481

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
If yo u do not wantthe electric parking brake tobe applied, e.g. at an automatic car wash or when theve hicle is being
to we d, lea vetheve hicle switched on. This does not include having theve hicle towe d with there ar axle raised.
If th e electric parking brake is not applied automaticall y: #
Switch theve hicle o. and switch it back on #
Release and then apply the electric parking brake manually (/ page 227).
If it is still not possible toapply the electric parking brake: #
Consult a quali/ed specialist workshop. #
Where necessar y,also secure the par kedve hicle against rolling away.
T
T o r
o r elease:
elease: #
Ifth e conditions for automatic release are ful/lled and the electric parking brake is not released automaticall y,
re lease the electric parking brake manually (/ page 227).
If it is still not possible torelease the electric parking brake: #
Do not continue driving. Consult a quali/ed specialist workshop.
!
Release parking brake *T
hered! indicator lamp is 0ashing.
The electric parking brake is applied while you are driving:
R A condition for automatic release of the electric parking brake has not been ful/lled (/ page 227).
R You are per form ing emer gency braking using the electric parking brake (/ page 228).482
482
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 #
Consult a quali/ed specialist workshop. #
Notethe messages on the instrument displa y.
ï
Tr ailer tow hitch warning
lamp *T
hered trailer hitch warning lamp is lit.
The trailer hitch is not operational or is swivelling. &
W
WARNING
ARNING Risk of an accident if the ball neck is not loc ked
The trailer may become de tach ed. #
Stop theve hicle immediately in accordance with the tra1c conditions. Do not continue driving. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivel mo vement and do not re-couple the trailer until thewa rning/indicator lamp goes out. #
Notethe messages on the instrument displa y.
If th e trailer hitch is swivelling: #
Wait until the ball neck has reached the operational position. 522
522
Display messages and
warning/indicator lamps

Blow
Blow
er
er
see Clima tecont rol
BlueTEC
BlueTEC
see AdBlue ®
Bonnet
Bonnet Function (active bonnet)......................... 375
Opening/closing.................................... 375
Boo
Boo t lid
t lid
see Tailgate
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..................................................... 441
Br
Br ak
ak e f
e f or
orce disce distr tribution
ibution
EBD (Elect ronic Brake forc e Distribu-
tion)....................................................... 234
Br
Br ak
ak es
es
ABS (Anti-lock Braking System).............. 231
Ac tive Brake Assist................................. 253
Ad aptive brake lights.............................. 236
BAS (Brake Assist System).................... .232
Driving tips............................................1 82EBD (Electronic Brake
forc e Distribu-
tion)....................................................... 234
HOLD function....................................... 235
Limited braking e.ect (salt-treated
ro ads)................................................... .182
Ne w/replaced brake linings/brake
discs...................................................... 180
Ru nning-in no tes.................................... 180
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........................................... 407
To wing away.......................................... 403
Tr anspo rting theve hicle........................ .405
Wheel chang e........................................ 421
Br
Br eakdo
eakdo wn
wn
see Flat tyre
Butt
Butt ons
ons
St eering wheel....................................... 298 C
C
Calls
Calls Mercedes me......................................... 353
Camera
Camera Information............................................ 229
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)............................................ 382
Car
Car -t
-to-X
o-X -Communication
-Communication
Displaying hazard warnings.................... 347
Care
Care 360° camera......................................... 385
Air-water duct........................................ 382
Automatic car wash.............................. .382
Carpet................................................... 387
Decorative foil........................................ 384
Display................................................... 387 538 538
Index

Exterior lighting...................................... 385
Head-up display..................................... 387
High-pressure cleaner........................... .383
Pa int...................................................... 384
Plastic trim............................................3 87
Re alwo od/trim elements..................... .387
Re versing camera..................................3 85
Ro of lining............................................. 387
Seat belt................................................ 387
Seat co ver............................................. 387
Sensors................................................. 385
St eering wheel....................................... 387
Ta ilpipes................................................ 385
Tr ailer hitc h............................................ 385
Ve hicle soc ketfo rth e high-voltage
battery................................................... 385
Wa shing byhand.................................... 383
Wheels/rims.......................................... 385
Wi ndo ws................................................ 385
Wi per blades.......................................... 385
Car
Car pe pet (Car
t (Car e)
e)............................................... 387
Changing g
Changing g ears
ears
Manually................................................ 201
Changing hub caps
Changing hub caps ....................................... 421 Char
Char
ging
ging
Char geleve l displa y............................... 221
Charg ing cable control panel.................. 214
Ending thech arging process (alternat-
ing cur rent, mode 2/3).......................... 220
Indica tor lamps on vehicle soc ket........... 215
No tes - charging station (mode 3)......... .212
No tes - mains soc ket (Mode 2)............... 211
No tes - wallbox (mode 3)........................ 212
No tes on charging the high-voltage
battery................................................... 210
No tes on wireless chargin g.................... 139
On-boa rdelectrical system battery
(12 V).................................................... 400
Setting the maximum possible charg-
ing cur rent (mains soc ket)...................... 213
St arting thech arging process................. 217
St ow ing thech arging cable.................... 210
USB port............................................... .139
Ve hicle soc ket........................................ 215
Char Char ging cable ging cable
Control panel......................................... 214
St ow ing................................................. 210
Char
Char ging t
ging t he high-v
he high-v olt
oltag
age batt
e batt ery
ery
St arting thech arging process................. 217 Chassis lev
Chassis lev
el (AIR BOD
el (AIR BOD Y C
Y CONTR
ONTR OL)
OL)
Setting................................................... 266
Child safe
Child safe ty lock
ty lock
Re ar door................................................ .76
Re ar side wind ows................................... 77
Child seat
Child seat Appr oval catego ries.................................63
At tach ing (no tes)..................................... .62
Basic instructions.................................... 58
Fr ont passenger seat (no tes).................... 74
Fr ont passenger seat (without auto-
matic airbag shuto.)............................... .73
ISOFIX/i-Size (/tting).............................. .66
No tes on risks and danger s...................... 59
Re commendations forch ild restraint
systems................................................... 61
Seats suitable for belt-secured child
re straint systems..................................... 70
Seats suitable for i‑Size child restraint
systems................................................... 66
Seats suitable for ISOFIX child
re straint systems..................................... 65
Securing on the co-driver seat..................75
Securing on there ar seat......................... 72
To pTe ther................................................ 69 Index
539 539

Ru
nning-in no tes.................................... 180
Dr
Dr iving tips
iving tips
see Recuperation
Dr ow
Dr ow siness det
siness det ection
ection
see ATTENTION ASSIST
DSR
DSR Activating/deactivating.......................... 250
Changing thetarg etspeed..................... 250
Fu nction................................................ 249
No tes..................................................... 249
Dynamic handling contr
Dynamic handling control syst ol system
em
see ESP ®
(Elect ronic Stability Prog ram)
D
D YN
YNAMIC SELECT AMIC SELECT
Calling up the fuel consum ption indi-
cator...................................................... 198
Con/guring drive prog ram I................... .197
Displaying engine data........................... 198
Displaying vehicle dat a........................... 198
Drive prog ram displa y............................ 197
Drive prog rams..................................... .195
Fu nction................................................ 195
Ope rating (DYNAMIC SELECT switch)..... 197
Selecting the drive prog ram.................. .197 E E
E10
E10.............................................................. 434
Easy entr
Easy entr y f
y feature
eature
Fu nction/no tes...................................... 121
Setting................................................... 122
Easy e Easy e xit f xit featu re
eature
Fu nction/no tes...................................... 121
Setting................................................... 122
EASY
EASY -PAC
-P AC K load-secur
K load-secur ing kit
ing kit
Inserting brac kets.................................. 135
Installing/removing the luggage holder... 135
Installing/removing thete lescopic rod... 136
No tes..................................................... 134
EBD (Electr
EBD (Electr onic Br
onic Brak
ake f
e f or
orce Disce Distr tribution)
ibution)
Fu nction/no tes...................................... 234
EC
EC O Assist
O Assist
Fu nction/no tes.............................. 190, 193
EC
EC O displ ay
O display
Fu nction................................................ 189
EC
EC O st
O st ar
ar t/st
t/st op function
op function
Switching o./on.................................... 189
Electr
Electr ic dr
ic drive
ive................................................ 174 Electr
Electr
ic par
ic parking br
king br ake
ake
Applying automaticall y........................... 226
Applying/releasing manually.................. 227
Emer gency braking................................ 228
Re leasing automaticall y.......................... 227
Electr
Electr ical fuses
ical fuses
see Fuses
Electr Electr omagne omagne tic com
tic compatibility
patibility
Declaration of conformity........................ .28
Electr
Electr onicSt
onic Stability Pr
ability Pr ogr
ogram
am
see ESP ®
(Elect ronic Stability Prog ram)
Emerg
Emerg ency
ency
Fire extinguisher.................................... 390
Fi rs t-aid kit (soT sided).......................... 390
Overview of the help functions.................18
Re moving thewa rning triangle............... 389
Saf etyve st............................................. 389
Setting up thewa rning triangle............... 390
Emerg
Emerg ency br
ency br aking
aking...................................... 228
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 548
548
Ind
ex

Head-up display
Head-up display
Adjusting brightness (on-board com-
puter).................................................... 302
Ad justing display elements (on-board
co mp uter).............................................. 302
Care...................................................... 387
Fu nction................................................ 302
Menu (on-boa rdcomputer)..................... 302
Operating the memory function.............. 123
Setting the position (on-board com-
puter).................................................... 302
Switching on/o.....................................3 04
Headlam
Headlam p
p0ashing
0ashing ........................................ 144
Headlam
Headlam ps
ps
see Automatic driving lights
Heating
Heating see Climate control
Help call
Help call see Mercedes-Benz emer gency call system
High beam
High beam
Activating/deactivating.......................... 144
High beam
High beam see Adaptive Highbeam Assist
see Adaptive Highbeam Assist Plus High-pr
High-pr
essur
essure cleaner (car
e cleaner (car e)
e)........................ 383
High-v
High-v olt
oltag
age batt
e batt ery
ery
Char geleve l displa y............................... 221
Charg ing cable control panel.................. 214
Charging duration.................................. 445
Connection types...................................4 45
Ending thech arging process (alternat-
ing cur rent, mode 2/3).......................... 220
Energy 0ow displa y................................. 341
General no tes on chargin g.................... .210
No tes on charging (charging station,
mode 3)................................................ .212
No tes on charging (mains soc ket,
mode 2)................................................. 211
No tes on charging (wallbox, mode 3)...... 212
Ra nge.................................................... 445
Setting the maximum possible charg-
ing cur rent (mains soc ket)...................... 213
St ow ing thech arging cable.................... 210
Ty pe....................................................... 445
Vo ltage types......................................... 445
Hill St
Hill Star art Assist
t Assist............................................ 236
HOLD function
HOLD function Function/no tes...................................... 235
Switching on/o..................................... 235 Home scr
Home scr
een (media displa
een (media displa y)
y)
Overview................................................ 328
Hooking t
Hooking t he lugg
he luggag
age net
e net.............................. .134
Hybr
Hybr id syst
id syst em
em
Con/guring settings via the multime-
dia system............................................. 341
Manual swit ch-o................................... .175
Hybr
Hybr id syst
id syst em
em
see Battery operation
see Electric drive I I
i-Size c
i-Size c hild seat secur
hild seat secur ing syst
ing system
em
Fi tting...................................................... 66
Seats suitable for attaching...................... 66
Identi/cation
Identi/cation plate
plate
Engine................................................... 431
Ve hicle.................................................. 431
Ignition key
Ignition key
see Key
Immediat Immediat e pr
e pre-entr
e-entr y climat
y climat e contr
e control
ol............ .167
Immobiliser
Immobiliser ..................................................1 02 Index
551
551