fuel MERCEDES-BENZ E-CLASS COUPE 2021 Service Manual

#
Do not alter the engine oil or oil /lter in
order toachie velonger change inter vals
th an prescribed. #
Do not use additives. #
Have the engine oil changed aTer the
prescribed inter vals. Mercedes-Benz
recommends having the oil
ch anged at a quali/ed specialist workshop.
Only use engine oils appr ovedfo ryo ur vehicle by
Mercedes-Benz.
P
P e etr
tr ol engines:
ol engines: for cer tain countries, di.erent
engine oils can be used in conjunction with
re duced maintenance inter vals. Further informa-
tion on di.erent engine oils can be obtained at a
qu ali/ed specialist workshop. Quality and capacity of engine oil
Quality and capacity of engine oil
Engine oil Engine oil speci/cations
speci/cations P P
e etr
tr ol engines
ol engines MB-Fr
MB-Freig
eigabe or MB-
abe or MB-
Appr ov
Approv al
al
E 450 4MATIC 229.51, 229.52,
229.61, 229.71
229.72*
All other model s2 29.51, 229.52,
229.61
229.71* Engine oil
Engine oil
speci/cations
speci/cations Diesel engines
Diesel engines
MB-Fr
MB-Freig
eigabe or MB-
abe or MB-
Appr ov
Approv al
al
E 220 d
E 220 d 4MATIC
E 300 d 4MATIC 229.52, 229.61,
229.71
229.72*
E 400 d 4MATIC 229.52
229.61* *
re commended for lo west possible fuel con-
su mp tion (lo westSA E viscosity class in each
case; obser vepossible restrictions of the
appr ovedSA E viscosity classes)
To achie vethe lo west possible fuel consum ption,
it is recommended touse the engine oil speci/ca-
tions mar ked in theta ble forth e lo westSA E vis-
cosity class. Possible restrictions of the appr oved
SA E viscosity classes must be obser ved.
% Ifth e engine oils listed in theta ble are not
av ailable, you may add a maximum of 1.0 litre
of thefo llowing engine oils once onl y.
Engine oils for one-time /lling only in exceptional
cases:
R P Pe
etr
tr ol engines:
ol engines:
- MB-F reigabe or MB-Appr oval 229.31
AC EA C3
R Diesel engines:
Diesel engines:
- E 400 d 4MA
E 400 d 4MA TIC:
TIC:MB-F reigabe or MB-
Appro val 229.51 ACEA C3
- Allot
All other models:
her models: ACEA C3
The following values referto an oil change, includ-
ing the oil /lter. Te
ch nical data
365
365

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
&
inoperative Battery low *T
he on-board elect rical system voltage is too lo w.
The stationa ryheater has switched itself o.. #
Drive an extended distance until the battery has reached a su1cient charge leve l again.
&
inoperative Refuel vehicle *T
here is too little fuel in the fuel tank. The stationary hea ter cannot be switched on. #
Refuel theve hicle. V
V
ehicle
ehicle Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
d
Vehicle is operational
Switch off ignition before
exiting *Y
ou are leaving theve hicle in a ready-to-drive state. #
Get out of theve hicle, secure it against rolling away and take theke y with you. #
Ifyo u do not lea vetheve hicle, switch o. the electrical consumers, e.g. the seat heating. Otherwise, the 12‑V bat-
te ry may dischar geand starting the engine may be possible only with the help of a second battery (jump start). Display messages and
warning/indicator lamps
381 381

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Wait until the engine has cooled down. #
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 *T
here is a malfunction in the engine cooling system. #
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.
8
Reserve fuel level *T
he fuel supply has dropped into there ser verange. #
Refuel.
! Clean the fuel filter *V
Vehicles wit
ehicles wit h diesel engines:
h diesel engines: the fuel /lter is dirty or thewa ter in the fuel /lter needs tobe drained. #
Consult a quali/ed specialist workshop. 388
388
Displ
aymessages and warning/indicator lamps

Engine oil
Engine oil
Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
5
Check eng. oil lev. when
next refuelling *T
he engine oil le vel has dropped tothe minimum le vel.
* N
NO OTE TE Engine damage caused bydriving with insu1cient engine oil #
Avoid long journe yswith insu1cient engine oil. #
Check the engine oil le vel when next refuelling.
To p up the engine oil (/ page 306).
No tes on engine oil (/ page 364).
5
Add 1 litre engine oil when
next refuelling *T
he engine oil le vel has dropped tothe minimum le vel.
* N
NO OTE TE Engine damage caused bydriving with insu1cient engine oil #
Avoid long journe yswith insu1cient engine oil. #
When next refuelling, add 1 lit reof engine oil (/ page 306).
No tes on engine oil (/ page 364). Displ
aymessages and warning/indicator lamps
425
425

Ins
Ins
tr
trument displ ay
ument display Depending on
the display setting, the positions of
th e indicator lamps on the inst rument display may
di.er from theex ample shown.
Indicat
Indicat or and w
or and w ar
arning lam
ning lam ps:
ps:
6 Restraint system (/ page 429)
ü Seat belt (/ page 429)
ï Trailer hitch (/ page 430)
Ù Powe r steering (/ page 430)
ÿ Coolanttemp erature (/ page 431)
; Engine diagnostics (/ page 431)
% V
V ehicles wit
ehicles wit h a diesel engine:
h a diesel engine: preglow#
Electricalfault (/ page 431)
8 Reser vefuel wi thfuel /ller 0ap loca-
tion indicator (/ page 431)
! Electric parking brake (red)
(/page 435)
! Electric parking brake (yellow)
(/page 435)
J Brakes (yellow) (/ page 435)
J Brakes (red) (/ page 435)
L Distancewarning (/ page 437)
Ó Active Brake Assist (/ page 437)
ê Active Brake Assist (/ page 437)
ä AIR BODYCONTROL (/ page 437)
ä DYNAMIC BODY CONTROL
(/ page 437)
! ABS (/page 438)
÷ ESP®
(/ page 438)
å ESP®
OFF (/ page 438)
h Tyre pressure monitoring system
(/ page 441) T
Standing lights (/ page 126)
L Low beam (/ page 126)
K High beam (/ page 128)
#! Turn signal lights (/ page 128)
R Rear fog light (/ page 126) 428 428
Display message
s andwarning/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 #
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

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
#
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. 434
434
Display messages and
warning/indicator lamps

A
A
ctiv
ctiv e Speed Limit Assist
e Speed Limit Assist
Display................................................... 201
Fu nction................................................ 201
A
A ctiv
ctiv eSt
e St eer
eer ing Assist
ing Assist
Ac tivating/deactivating.......................... 206
Ac tive Emer gency Stop Assist................ 206
Fu nction................................................ 204
System limits......................................... 204
A
A ctiv
ctiv e
eTr
Tra1c
a1c Jam Assist
Jam Assist
Ac tivating/deactivating.......................... 204
Fu nction................................................ 203
A
A dap
dap tiv
tive br
e br ak
ake lights
e lights .................................... 191
A
A dap
dap tiv
tive cr
e cr uise contr
uise contr ol
ol
see Active Distance Assist DISTRONIC
A
A dap
dap tiv
tive Highbeam Assist
e Highbeam Assist
Ac tivating/deactivating.......................... 132
Fu nction................................................ 131
A
A dap
dap tiv
tive Highbeam Assis
e Highbeam Assist Plus t Plus
Fu nction................................................ 132
Switching on/o..................................... 133
A
A dBlue
dBlue ®
®
Ad ditives................................................ 363
Capacity................................................ 364 No
tes..................................................... 175
Purit y.................................................... .363
To pping up............................................ .176
A
A dditional door lock
dditional door lock ....................................... 76
A
A dditiv
dditiv es
es
Ad Blue ®
................................................ .363
Engine oil............................................... 364
Fu el....................................................... 361
A
A dditiv
dditiv es (A
es (AdBlue
dBlue ®
®
)
)
see AdBlue ®
A
A dditiv
dditiv es (engine oil)
es (engine oil)
see Additives
A
A dditiv
dditiv es (fuel)
es (fuel)
see Fuel
ADS PL
ADS PL US dam
US dam ping syst
ping syst em
em
see AIR BODY CONTROL
ATer
ATer -sales
-sales ser
service
vice
see AS SYST PLUS
AIR BOD
AIR BOD Y C
Y CONTR
ONTR OL
OL
Setting................................................... 220
Suspension............................................ 219
Air conditioning menu
Air conditioning menu Calling up.............................................. 144 Air dis
Air distr
tribution
ibution
Setting................................................... 143
Setting (MBUX multimedia system)......... 145
Air fr Air fr eshener syst
eshener syst em
em
see Frag rance system
Air inlet
Air inlet
see Air-water duct
Air pr
Air pr essure
essure
see Tyre pressure
Air suspension
Air suspension
see AIR BODY CONTROL
Air v
Air v ents
ents
Ad justing (front)..................................... 152
Ad justing (rear)...................................... 152
Ad justing the AIRSCARF vents................ 153
Air v
Air v ents
ents
see Air vents
Air
Air -conditioning syst
-conditioning syst em
em
see Climate cont rol
Air
Air -r
-recir
ecir culation mode
culation mode.................................. 146
Air
Air -w
-wat
ater duct
er duct
Ke eping free.......................................... 309 444
444
Index

Online services.......................................
.37
Ve hicle..................................................... 35
Deactiv
Deactiv ating t
ating the alar
he alar m (AT
m (ATA)
A)........................... 95
Dealer
Dealer ship
ship
see Quali/ed specialist workshop
Declar
Declar ation of conf
ation of conf or
ormity
mity
Elect romagnetic compatibilit y.................. 24
Jack......................................................... 30
Speci/c absor ption rate........................... 24
TIREFIT kit................................................ 31
Wi reless vehicle component s................... 24
Decor
Decor ativ ative f
e foil (cleaning ins
oil (cleaning instr tructions)
uctions)........... 311
DeN
DeNOx ag Ox ag ent
ent
see AdBlue ®
Des
Destination entry tination entry
Entering a POI or addres s....................... 272
Det
Det ecting inatt
ecting inatt entiv
entiveness
eness
see ATTENTION ASSIST
Diagnos
Diagnostics connection tics connection.................................. 31
Diesel
Diesel Low outside temp eratures...................... 362
No tes..................................................... 362
Digit
Digit al Owner's Manual
al Owner's Manual.................................. 18 Dingh
Dingh yto
y to wing
wing
see Tow- bar system
DIRECT SELECT lev
DIRECT SELECT lev er
er
Engageing reve rsege ar.......................... 169
Engaging drive position.......................... 170
Engaging neutral................................... .169
Engaging park position automaticall y...... 169
Fu nction................................................ 168
Selecting park position........................... 169
Displa
Displa y (car y (care)
e)............................................... 314
Displa
Displa y (MBUX multimedia syst
y (MBUX multimedia syst em)
em)
Home sc reen.........................................2 57
Operating.............................................. 258
Displa
Displa y (on-boar
y (on-boar d com
d comput
puter)
er)
Displa yson the inst rument displa y......... 252
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).............. 371
No tes..................................................... 371
Displa
Displa y messag
y messag es
es
ç - - - km/h.................................... .398
È - - - km/h..................................... 398 h
- - - km/h..................................... 397
# 12 V battery See Owner's Man-
ual......................................................... 414
Û 48 V battery See Owner's Man-
ual......................................................... 416
: Active Light System inoperative..... 378
¯ AdBlue system fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km.................................................. 424
¯ AdBlue system fault Emer gency
op. in XXX miles See Owner's Manual.... 423
¯ AdBlue system fault Engine
start not possible................................... 424
¯ AdBlue system fault See Own-
er's Manual............................................ 423
5 Add 1 litre engine oil when next
re fuelling............................................... 425
é ATTENTION ASSIST inoperati ve..... 397
é ATTENTION ASSIS T:Take a
break!.................................................... 397 450 450
Index

:
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