ECU MERCEDES-BENZ S-CLASS COUPE 2017 Repair Manual

#
Avoid fire ,n aked flames ,creating
spar ksand smoking. #
Mak esuret hat ther eiss ufficient venti‐
latio ndurin gthe chargin gprocess and
during startin gassis tance. #
Do no tlea no verab atter y. If
th ei ndicator/warning lamps in thei nstrument
clus terdon otlight up at lo wtemperatures, it is
ve ry likel ythat thed ischar gedb atter yhas fro‐
zen. &
WARNING Risk ofexplosion from afro‐
zen battery
Ad ischar gedb atter ymayfreeze at temp era‐
tures slightl yabove or belo wfreezing point.
During startin gassis tance or batter ycharg‐
ing, batter ygas ma ybereleased. #
Alw ayst hawaf roze nb atte ry out first
befor echarging it or per form ing start‐
ing assis tance. The service li
feof ab atter ythat has been
th awe dmaybe dramaticall yshor tened. It is
recommended that youh ave athawe db at‐
te ry checkedataq ualified specialis tworks hop.
All vehicles
* NO
TEDama gecaused bynumerou sor
ex tende dattem ptstos tart thee ngine Nume
rous or extende dattem ptstos tart the
engine ma ydamag ethe catalytic con verter
due tonon-combu sted fuel. #
Avoid numerous and extende dattem pts
to star tt he engine. Obser
vethef ollowing points during starting
assis tance and when chargin gthe battery:
R Onlyuse undamaged jum plead/charging
cables wit hasufficient cross-section and
insula tedt erminal clamps.
R Non- insulated parts of thet erminal clamps
mus tnotcom eintoc ontac twitho ther me tal
parts while thej um plead/charging cable is
connected totheb attery/jump-s tart connec‐
tion point. R
The jum plead/c harging cable mus tnot
come int ocontact wi thanyp arts whic hmay
mo vewhen thee ngine is running.
R Alw aysm akes uret hat neither youn orthe
batter yiselectrost aticall ychar ged.
R Keep away from fire and naked flames.
R Do no tlean overthe batter y.
R When charging: only use batter ychargers
te sted and appr ovedbyM ercedes-Benz, and
please read theb atter ychar ger's operating
instructions befor echarging theb atter y.
Obser vethea dditional following point sduring
st artin gassis tance:
R Startin gassis tance ma yonly be pr ovided
using batteries wit hanominal voltag eof
12 V.
R The vehicles mus tnottouch.
R Petrol engine: only acceptstartin gassis‐
ta nce if thee ngine and exhaus tsystema re
cold. #
Secur ethe vehicle byapplying thee lectric
parking brake. Breakdown assis
tance 385

#
Deactivat ethe automatic locking mechanism
(→ pag e70). #
Do no tactivat ethe HOLD function. #
Deactivat ethe tow- aw ay protection
(→ pag e86). #
Deactivat eActiv eBrake Assi st (→pag e180). #
Vehicles with automatic transmission:
shif tthe automatic transmission toposition
i. #
Release thee lectric parking brake. &
WARNING Risk of accident du etolimi‐
te ds afet y-re lated function sduring the
to wing process
Saf ety-re lated function sarelimited or no lon‐
ge ra vailable in thef ollowing situations:
R thei gnition is switched off.
R theb rake system or po wersteering sys‐
te mism alfunctioning.
R thee nergy supply or theo n-boar delectri‐
cal sy stem is malfunctioning. When
your vehicle is then towe da way,signif‐
icantly mor eeffor tm aybe requ ired tosteer
and brak ethan is normall yrequired. #
Use atow bar. #
Mak esuret hat thes teering wheel can
mo vefreely ,befor etow ing thev ehicle
aw ay. *
NO
TEDama gedue toexcessiv etracti ve
po wer If
yo up ullaway sharpl y,thet ractiv epower
ma ybet oo high and thev ehicles could be
damaged. #
Pull away slowl yand smoo thly. Loading the
vehicl efor transport #
Obser vethen otes on towing away
( → pag e388). #
Connec tthe towb arto thet ow ing eyeto
load thev ehicle. #
Shif tthe automatic transmission toposition
i.
% The automatic transmission ma ybelocked
in position jinthee vent of dama getothe
electrics. Toshif tto i,provide theo n-
boar delectrical sy stem wit hpower
( → pag e384). #
Load thev ehicle ont othe transpor ter. #
Shif tthe automatic transmission toposition
j. #
Onlysecur ethe vehicle bythew heels.
Ve hicles with ADSP LUS(Ad aptiv eDamping
Sy stem PLUS) &
WARNING Risk of an accident when
transporting vehicles wit hAdaptive
Damping Sy stem PLUS
The reduced damping forc es on thev ehicle
being transpor tedc an cause thev ehicle/
trailer combinatio ntostart to swing.
As aresult, when transporting vehicles with
th eA daptiv eDampin gSystemP LUS,the Breakdown assis
tance 389

ve
hicle/trailer combination ma ystart to skid.
Consequentl y,yo uc ould lose cont rolofy our
ve hicle. #
When transporting, ensur ethat:
R thev ehicle has been loaded onto
th et ranspor terc orrectly
R thev ehicle is secured at all four
wheel swiths uitable tensioning
st ra ps
R them aximum permissible speed of
60 km/hisn otexc eeded when
transporting *
NO
TEDama getothev ehicle from secur‐
ing it incor rectly #
Afterl oading, thev ehicle mus tbe
secured on all four wheels. Otherwise,
th ev ehicle could be damaged. #
Am inimum dis tance of 10cm up wards
and 20 cm down wardsm ustbek eptto
th et ranspor tplatform. %
Transpor tleve lisn otavailable fort he follow‐
ing vehicles:
R Mercedes‑AMG vehicles
R Vehicles wit hMAGICBO DY CONTROL #
Toactivat etranspo rtleve l:press button
1.
Indicator lamp 2lights up. The
vehicle is raised by40 mm compared to
th en ormal le vel. #
Press button 1again and hold it foratl east
fi ve seconds.
The vehicle is raised from ther aised le velto
th et ranspor tleve l.
The transpor tleve lisr eached when indicator
lamp 2flashes and theMax. speed
35 km/h displaymessag eappear sinthe
multifunction displa y.
Load thev ehicle and lash it down at all four
wheels. Otherwise, thev ehicle could be dam‐
aged.
% Am inimum dis tance of 10cm up wardsa nd
20 cm down wardsm ustbek epttot he trans‐
por tplatform.
The vehicle is lo wereda gain in thef ollowing sit‐
uations:
R When driving fasterthan 35 km/h.
R Afters electing adrive program using the
DY NA MIC SELECT switch. 390
Breakdown assis tance

*
NO
TEDama gedue toincor rect us eof
th et ow ing eye When
atow ing eyeisu sedtoreco verav ehi‐
cle, thev ehicle ma ybedamaged in thep roc‐
ess. #
Onlyusethet ow ing eyetot owaway or
to ws tartthe vehicle. To
w- starting thev ehicle (emer gency engine
st arting) Ve
hicles with automatic transmission
* NO
TEDama getothea utomatic trans‐
mission due to tow-starting The automatic transmissio
nmaybe damaged
in thep rocess of tow- startin gvehicles with
automatic transmission. #
Vehicles wit hautomatic transmission
mus tnotbe tow- star ted. #
Vehicles wit hautomatic transmission must
no tbet ow-sta rted. Electrical fuses
Note
sone lectrical fuses &
WARNING Risk of accident and inju ry
due to ov erloaded lines
If yo um anipulat eorbridg eaf aulty fuse or if
yo ur eplace it wit hafuse wit hahigher
amperage, thee lectric line could be overloa‐
ded.
This could result in afire. #
Alwa ys replace faulty fuse swiths peci‐
fi ed ne wfuses conta iningthe cor rect
amperage. *
NO
TEDama gecaused byincor rect fuses Incor
rect fuses ma ycause damag etoelectri‐
cal components or sy stems. #
Onlyuse Mercedes-Benz appr oved
fuse switht he cor rect fus erating. Bl
ow nfuses mustbe replaced wit hfuses of the
same rating ,which youc an recognise bythec ol‐
our and fuse rating .The fuse rating sarelist ed in th
ef use assignmen tdiagram. The fuse assign‐
ment diagram is in thev ehicle document wallet.
* NO
TEDama geor malfunctions caused
by moisture Moistur
emaycause dama getothee lectrical
sy stem or cause it tomalfunction. #
When thef use bo xisopen, mak esure
th at no moistur ecan enter thef use
box. #
When closing thef use box, mak esure
th at thes eal of thel id is positioned cor‐
re ctly on thef use box. If
th en ewlyinser tedf use also blo ws,have the
cause trace dand rectifie dataq ualified special‐
is tw orks hop, e.g. aMercedes-Benz Service
Centre.
Ensur ethe following befor ereplacing afuse:
R The vehicle is secured agains trolling away.
R All electrica lconsumer sareswitched off.
R The ignition is switched off. 392
Breakdown assi stance

Brazil
Es
te equipament ooper aemc aráter secundário,
is to é, não temd ireit oàp roteção contr ainter fer‐
ência prejudicial ,mesmo de es tações do mesmo
tipo ,en ão pod ecausar inter ferê ncia asiste mas
operando em caráter primário. Vi
etnam Ty
re pressur elossw arnin gsystem Fu
nction of thet yrep ress urel ossw arning
sy stem
The tyr epressur eloss warning sy stem warnst he
driver bymeans of displa ymessa gesw hen there
is as eve retyr ep ressur eloss.
Af terac hang eint yrep ressure, awheel rotation
or aw heel change, thet yrep ressur eloss warn‐
ing sy stem has tobe taught-in again bybeing
re star ted( → pag e406). The tyr
epressur eloss warning sy stem does not
re place then eed toregularly checkt he tyre
pressures.
Sy stem limitations
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R Ifth et yrep ressur eiss etincor rectly.
R Ifth er eisas udden pressur eloss caused, for
ex ample, byaforeign object penetratin gthe
tyre.
R Ifth ep ressur eloss in se veraltyres decrea‐
ses at thes ame rate.
The sy stem has alimited or dela yedf unction:
R When ther oad sur face is poo r,e.g. sno wor
gr ave l.
R When drivin gwiths nowc hains.
R When driving in averys porty driving style
wit hh igh cornering speeds or sudden accel‐
eration.
R When drivin gwithah igh load. Wheels and tyres
403

Ve
hicles with atyrep ressur emonitoring
sy stem: foraf ewminutes af terac ollapsible
spar ewhee lisf itted, thes ystemm aystill
displa ythe tyr epressur eoft heremo ved
wheel.
Be sur etoalso obse rvet he following fur ther
re lated subjects:
R Notesont yrep ressur e(→pag e397)
R Tyre pressur etable (→ page398) Re
moving the collapsibl espar ew heel The collapsible spar
ewheel is secured in thec ol‐
lapsible spar ewheel bag in theb oot. #
Obser vethei nformation on mounting tyres
(→ pag e404). #
Open theb oot. #
Detach thef astening stra ps. #
Unhook ther etainin gspring hook softhefas‐
te ning stra ps from theb rack ets. #
Remo vethee mer gency spa rewheel bag
to ge ther wit hthe collapsibl espar ew heel. #
Open thee mer gency spa rewheel bag and
re mo vethec ollapsible spar ewheel. Inflating
thec ollapsible spa rewheel Re
quirements:
R Mount thec ollapsible spar ewheel as descri‐
bed. (→ page412 )
R Remo vethet yrei nflation compressor from
th es towa ge well under theb ootfloor.
(→ pag e377)
* NO
TEDama getothec ollapsible spare
wheel when lo wering thev ehicle Lo
we ring thev ehicle without pr eviously
inflatin gthe collapsibl espar ew heel can
damag eits rim. #
Inflat ethe collapsibl espar ew heel using
th et yrei nflation compressor before
lo we ring thev ehicle. *
NO
TEOverheating du etothe tyr einfla‐
tion compressor running tool ong #
Do no trun thet yrei nflation compres‐
sor forl onger than tenm inutesw ithout
inter ruption. #
Pull connec tor4 and theh ose out of the
housing. #
Unscr ew thec ap from thev alveont he col‐
lapsible spar ewheel. Wheels and tyres
415

Displa
ymessages
Possible causes/consequences and M
MSolutions
Front-passenger airbag
enabled See Owner's Man-
ual *T
he front passenger airbag is enabled while thev ehicle is in motion:
R evenw henac hild, asmall adult or an object weighin gless than thes ystemw eight thre shold is located on the
front passenger seat
R evenw hent he front passenger seat is no toccupied
The sy stem ma ydetect objects or forc es that ar eaddin gtot heweight applied tothes eat. &
WARNING Risk of inju ryor fata linjur ywhen using achild restra int sy stem while thef ront passenger airbag
is enabled
If yo us ecur eac hild in achild restra int sy stem on thef ront passenger seat and thef ront passenger airbag is
enabled, thef ront passenger airbag can deplo yintheevent of an accident.
The child could be stru ck bythea irbag. #
Ensure, bo thbefor eand during thej ourne y,that thes tatus of thef ront passenger airbag is cor rect.
NEVER us earearwardfacing child restra int on aseat pr otected byan ACTIVE FRONT AIRB AGin front of it;
DE ATHorS ERIOU SINJU RYtotheC HILD can occur. #
Pullovera nd stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions. #
Chec kthe status of thea utomatic front passenger airbag shutof f. #
If necessar y,consult aqualified specialis tworks hop immediatel y. Displ
aymessa gesa nd warning/indicator lamps 443

Wa
shing byhand ................................. 367
Wheels/rims ....................................... 370
Wi ndo ws .............................................. 370
Wi per blades .......................................3 70
Carpe t(Ca re) ............................................ 371
Changing hu bcaps ................................ .409
Changing thel ights
Drivin gabroad (symm etrical dipped
beam) ................................................... 11 9
Channel tracking Setting ................................................ .346
Charging Batter y(vehicle) .................................. 384
Mobile phone (wi reless) ...................... .116
Chassis le vel(AIR BODY CONT ROL)
Setting ................................................ .198
Chassis le vel(MAGIC BODY CON‐
TROL)
Setting ................................................ .203
Chil dseat
At tach ing (no tes) ................................... 53
Fr ont passenger seat (no tes) ................. 51Fr
ont passenger seat (rear ward-
fa cing/for ward-facing) .......................... 53
Fr ont passenger seat (without airbag
shutoff) .................................................. 52
ISOFIX/i-Size (fitting) ............................49
No tes. .................................................... 46
Re commended child restra int sys‐
te ms ...................................................... 59
Seats suita bleforb elt-secu redc hild
re stra int sy stems ................................... 54
Seats suitable fori ‑Size child
re stra int sy stems ................................... 58
Seats suitable forI SOFIX child
re stra int sy stems ................................... 56
To pT ether ..............................................50
Child seat see i-Size child seat securing sy stem
see ISOFIX child seat securing sy stem
Children Restra int sy stems ..................................46
Chock ...................................................... .408
St orag elocation ..................................4 08
Cigar ette lighter
Fr ont centre console ............................ 11 2Cleaning
see Care
Climat econtrol
Ac tivating/deactivating theA /C
function (cont rolp anel) ...................... .135
Ac tivating/deactivating theA /C
function (multimedia sy stem) .............. 13 5
Ac tivating/deactivating thes ynchro‐
nisation function (multimedia sys‐
te m) ..................................................... 13 6
Air di stribution settings .......................1 36
Air-recirculation mode ......................... 137
Au tomatic control ................................ 13 5
Climat estyle function .......................... 13 5
Demi sting thew indo ws....................... 13 6
Fr ont air vents ..................................... 14 3
Glo veboxa irve nt ................................ 14 4
Inserting/removing thef lacon (fra‐
gr anc esystem) .................................... 137
Ionisation ............................................. 137
No te .................................................... 13 4
Re ar air vents ...................................... 14 4
Re sidualh eat ....................................... 137
Setting thec limat estyle ...................... 13 5
Setting thef ragrance sy stem ............... 137494
Index

Using
them emor yfunction ................. 101
Headlam pflasher ................................... .121
High-pressur ecleaner (care) ................. 366
Hill StartA ssist ....................................... 19 6
HOLD function ......................................... 19 6
Ac tivating/deactivating ...................... .196
Fu nction/no tes. .................................. 19 6
Hotspot Setting up (Wi-Fi) ................................. 266
Vi ab usiness telephon y....................... .264
Hyd ropneumatic suspension
see MAGIC BODY CONTROL I
i-Size child seat securing sy stem ............ 48
Fittin g................................................... .49
No tes. .................................................... 48
Seats suitable fora ttaching ................... 58
Identificatio nplate
Engine ................................................. .419
Ve hicle .................................................4 19
Ignition Swit ching on (S tart/S topb utton) ........ 14 6Ignition
key
see Key
Immobiliser ................................................ 85
Implie dwarra nty
Ve hicle ................................................... 27
In Car Of fice
Ac cepting/rejecting acallf or atele‐
phone confe rence ................................ 314
Fe atures .............................................. .313
Marking ato-do ent ryas compl eted ....3 14
Selecting functions .............................. 314
Switching au tomatic star to n/ off. ...... .3 14
Indicator lamp see Warning/indicator lamps
Individual driv eprogram
Configuring .......................................... 15 5
Selecting ............................................. 15 5
Instrument clus ter
see Instrument display
see Warning/indicator lamps
Instrument display .................................. 231
Ad justing thel ighting .......................... 233
Fu nction/no tes. .................................. 231 Overvie
w..............................................2 31
Wa rning and indicator lamps (o verview) .. 8
Wa rning/indicator lamps .................... .472
Instrument lighting .................................233
Intelligent Light Sy stem .......................... 12 2
Ac tivating/deactivating ...................... .123
Ac tiveh eadlamps function .. ................ 12 2
Ad aptiv eHighbeam Assis tPlus ............ 124
Corne ring light ..................................... 12 3
Fo glight (extended range) ................... 12 3
Mo torw ay mode ................................... 12 3
Overvie w............................................. 12 2
Interior lighting ........................................ 12 6
Ambient lighting .................................. 12 6
Setting ................................................. 12 6
Switch-of fdelay tim e........................... 127
Interior lighting see In terior lighting
Interior pr otection
Ac tivating/deactivating ......................... 87
Fu nctio n................................................ 86
In term ediatedestination
Calculating arout ew ithi ntermediate
destinations ........................................ .281 504
Index

Editing ................................................
.281
Entering ............................................... 280
St artin gana utomatic filling station
sear ch................................................. 280
St artin gthe automatic service sta‐
tio ns ear ch .......................................... 285
In tern et
Del eting abookmar k........................... 329
Deleting br owser dat a.........................3 29
Managing bookma rks. ......................... 329
Interne tconnection
Cancelling permission .........................3 27
Connection status .............................. .327
Displ aying thec onnection status ........ 328
Editin gaccess dat a............................. 327
Es tablishing .........................................3 27
Information .......................................... 323
Mobilep hone details .......................... .327
Re strictions ......................................... 323
Setting access da ta............................. 325
Setting up (Blue tooth®
). ...................... 325
Settin gup(business telephony) .......... 324
Swit ching Blue tooth®
profile (DUN/
PA N) .................................................... 326
Vi aB luetooth ®
..................................... 325 Vi
ac ommunication modul e................. 324
Vi aW i-Fi.............................................. 324
In tern etradio
Calling up ............................................ 330
Deleting stations ................................ .331
Logging in ............................................ 331
Logging out .......................................... 331
Overvie w............................................. 330
Saving stations .................................... 331
Selecting and connectin gtoastation
............................................................ .331
Selecting stre am .................................. 331
Setting options .................................... 331
Te rm sofu se ........................................3 31
Ionisation ................................................ .137
iPhone ®
see Apple CarPlay™
ISOFIX child seat securing sy stem .......... 48
Fittin g................................................... .49
No tes. .................................................... 48
Seats suitable fora ttaching ................... 56 J
Jack Declaration of Conformity .................... .22
St orag elocation ..................................4 08
Jump-star tconnection ............................ 384 K
Key .............................................................. 62
Batter y.................................................. 64
Emergency keye lemen t....................... .64
Energy consumptio n.............................. 63
Fe atures ................................................ 62
Ke yr ing at tach ment .............................. 64
Overvie w............................................... 62
Pa nic alar m........................................... 63
Proble m................................................ .65
Un lockin gsetting .................................. 63
KEYLESS-GO Lockin gthe vehicle ................................ 68
Problem .................................................69
Un lockin gsetting .................................. 63
Un lockin gthe vehicle ............................68
Kickd own.................................................1 59
Using ................................................... 15 9 Index
505