2017 MERCEDES-BENZ S-CLASS COUPE Owners Manual

ASS
YSTP LUSs ervice in terv al display Fu
nction of theA SSYSTP LUSs ervice in terv al
display The ASS
YSTP LUSs ervice inter vald ispla yint he
instrument display prov ides informatio nonthe
re maining time or dis tance be fore then ext
service due date.
Yo uc an hide this service messag eusing the
bac kbutton on thel eft-hand side of thes teering
wheel.
Yo uc an obtain fur ther information concerning
th es ervicing of your vehicle from aqualified
specialis tworks hop, e.g. aMercedes-Benz
Service Centre. Displaying
thes ervice du edate On-boa
rdcomputer:
, Service .
ASSYST PLUS
The next service due dat eisdisplayed. #
Toexitth ed ispla y:press theb ackb utton
on thel eft-hand side of thes teering wheel. Mak
esuretoo bservethef ollowing fur ther rela‐
te ds ubjec t:
R Operating theo n-boar dcomputer . Car
rying out maintenance workatregular
inter vals *
NO
TEPrematur ewear thro ugh failur eto
obser veservice due dates Service
workwhic hisn otcar ried out at the
ri ght time or incomple tely can lead to
inc reased wear and damag etothevehicle. #
Alw ayso bser vethep rescribed service
inter vals. #
Alw aysh ave thep rescribed service
wo rkcar ried out at aqualified specialist
wo rkshop. Special service
requ irements The prescribed service inter
valisb ased on nor‐
mal operation of thev ehicle. Maintenance work
will nee dtobep erform ed mor eoften than specified if
thev ehicle is operated under ardu‐
ous conditions or increased loads, fore xamp le:
R regular city driving wit hfrequ ent intermedi‐
at es tops.
R ifth ev ehicle is primaril yused fors hort-dis‐
ta nce driving.
R forf requ ent operation in mountainou sterrain
or on poor road sur faces.
R ifth ee ngine is of tenl eftidling forl ong peri‐
ods.
R in particula rlyd usty condition sand/o rifair-
re circulation mod eisfrequently used.
In these or similar operating conditions ,have the
interior filter ,engin eair cleaner ,engin eoil, oil fil‐
te re tc. changed mor efrequ ent ly.T he tyres must
be checkedm oref requ entl yift hevehicle is
operated under increased loads. Further infor‐
mation can be obtained at aqualified specialist
wo rkshop. 358
Maintenance and care

Batter
ydisconnection periods The AS
SYST PLUS service inter vald isplay
can onl ycalculat ethe servic edue date when
th eb attery is connected. #
Notedown thes ervice due dat edispla yedon
th ei nstrument displa ybefor edisconnecting
th eb atter y(→pag e358). Engine compartment
Ac
tiv eb onne t(pedestrian pr otection) Operation of
thea ctiv ebonne t(pedestrian
pr otection)
In cer tain accident situations ,the risk of injury
to pedestrians can be reduced bythea ctuation
of thea ctiv ebonnet .The rear area of thee ngine
bonn etisraised byappr oximatel y80m m.
Fo rthe driv etotheworkshop, rese tthe trig‐
ge reda ctiv ebonn etyourself .Ifthe activ ebonnet
has been triggered, pedestrian pr otection may
be limited.
Aq ualified specialis tworks hop mus tre-ins tate
th ef ull functionality of thea ctiv ebonnet. The activ
ebonne tisnotavailable in all coun‐
tries.
Re setting thea ctiv ebonnet &
WARNING Danger of bu rnsf romh ot
component parts in thee ngine compart‐
ment
Cer tain component parts in thee ngine com‐
partmen tmaybe very hot, e.g. thee ngine,
th er adiator and parts of thee xhau stsystem. #
Letthe engine cool down and only
to uc ht he component parts described
below: #
With your han dflat, push down activ ebonnet
1 inthea reaa round theh inges on bo th
sides (ar rows).
The engine bonne tmuste ngag einp osition. #
Ifth ea ctiv ebonnet can be raised slight lyat
th er ear in thea reaoft he hinges, repeat the
st ep until it engages cor rectl y. Maintenance and care
359

Opening/closing
theb onnet &
WARNING Risk of accident du etodriv‐
ing wit hthe engine bonne tunlo cked
An unloc kede ngin ebonn etma yopen up
when thev ehicle is in motion and bloc kyour
vie w. #
Neveru nloc kthe engine bonne twhen
driving. #
Befor eevery trip, ensur ethat the
engine bonn etis loc ked. &
WARNING Risk of accident and inju ry
when opening and closing thee ngine
bonn et
When opening or closing thee ngine bonn et,
it ma ysuddenly drop int othe end position.
Ther eisar isk of inju ryfora nyo ne in the
engine bonn et's rang eofm ovement. #
Onlyopen or close thee ngine bonn et
when ther ea reno persons in the
engine bonn et's rang eofm ovement. &
WARNING Danger of bu rnsw hen open‐
ing theb onnet
If yo uo pen thee ngine bonn etwhen the
engine has overheated or during afireint he
engine compartment, youc ould come into
contact wit hhotgases or other escaping
operating fluids. #
Befor eopening theb onnet ,allowt he
engine tocool down. #
Inthee vent of afireint he engine com‐
partment, keep thee ngine bonn et
closed and cal lthe fire service. &
WARNING Risk of inju rydue tomoving
parts
Cer tain component sinthe engine compart‐
ment ma ycontinue tomo veor suddenly
mo veagain evenafter thei gnition has been
switched off, e.g. thec ooler fan.
Ma kesur eoft hefollowing befor eperform ing
ta sk sint he engine compartment: #
Switc hthe ignition off. #
Nevertouc hthe danger zone sur round‐
ing movin gcomponent pa rts, e.g. the
ro tatio na reaoft hefan. #
Remo vejewe ller yand watches. #
Keep items of clo thing and hair away
from moving parts. &
WARNING Risk of inju ryfrom touching
co mp onent parts under voltage
The ignition sy stem and thef uel injection
sy stem workunder high voltage. If yout ouch
component parts whic hareunder voltage,
yo uc ouldrecei vean electric shoc k. #
Nevertouc hcomponents of thei gnition
sy stem or thef uel injection sy stem
when thei gnition is switched on. &
WARNING Danger of bu rnsf romh ot
component parts in thee ngine compart‐
ment
Cer tain component parts in thee ngine com‐
partmen tmaybe very hot, e.g. thee ngine, 360
Maintenanc eand care

th
er adiator and parts of thee xhau stsystem. #
Letthe engine cool down and only
to uc ht he component parts described
below: &
WARNING Risk of inju ryfrom using the
windscreen wiper swhile thee ngine bon‐
ne tiso pen
When thee ngine bonn etis open ,and the
windscreen wiper saresetinm otion, youc an
be trapped bythew iper linkage. #
Alw ayss witc hoffthew indscreen wip‐
er sa nd ignition befor eopening the
engine bonn et. #
Toopen: pull lever1torelease thee ngine
bonn et. #
Push bonne tcatch 1upwards and lif tthe
bonne tbyapproximatel y40cm. #
Toclose: lowe rthe bonne tand le titfall from
ah eight of appr oximatel y20cm. #
Ifth eb onnet canstill be lif teds lightl y,open
th eb onnet again and close it wit halittle
mor eforce until it engages cor rectly. Maintenance and care
361

Engine oil
Checking
thee ngine oil le velu sing theo il
dip stick(S4 50 4MATIC) &
WARNING Danger of bu rnsf romh ot
component parts in thee ngine compart‐
ment
Cer tain component parts in thee ngine com‐
partmen tmaybe very hot, e.g. thee ngine,
th er adiator and parts of thee xhau stsystem. #
Letthe engine cool down and only
to uc ht he component parts described
below: Depending on
thee ngine, theo il dipstic kmaybe
ins talled in thee ngine compartmen tindiffe re nt
locations.
Wa itin gtimeb efor echecking theo il le vel:
R engin eatn ormal operatin gtemperature: five
minutes. #
Park thev ehicle on aflat sur face. #
Pull oil dipstick 1outa nd wipe off. #
Slowly slide oil dipstick 1intot he guide
tube tothes top, and pull it out again af ter
appr oximatel ythree seconds.
R Oil le velisc orrect:o il le velisb etwe en 2
and 3.
R Oil le veltoo low: oil le velisat 3or
belo w. R
Oil le veltoo high: oil le velisa bove 2 . #
Ifth eo il le velist oo lo w,topupw ith1 lof
engin eoil. #
Ifth eo il le velist oo high, ha vethee xcess
engine oil remo vedass oon as possible at a
qu alified specialis tworks hop.
Checking thee ngine oil le velu sing theo n-
boar dcompu ter( exc eptS4 50 4MATIC)
The engine oil le velisd etermined during driving.
The oil le veld ispla yiso nlya vailable af terad riv‐
ing time of up to30 minutes and if thei gnition is
switched on, depending on thed riving profile.
It is no tpossible tocor rectl ym easu retheo il
le ve lif:
R thev ehicle is no tleve lduring them easuring
process.
R theb onnet wasp reviousl yopened.
The engin emustber estarted and thee ngine oil
le ve lw ill be de term ined again during driving. 362
Maintenance and care

On-boar
dcomputer:
, Service .
Engine oil level:
Yo uw ills ee one of thef ollowing messa gesin
th em ultifunction displa y: #
Engine oi llev el Measuring now:m easure‐
ment of theo il le velisn otyetp ossible.
Re peat ther eques tafter am aximu mof30
minutes' driving. #
Engine oil level OK andtheb ar displa yfor
indicating theo il le velint he multifunction
displa yisgreen and is between "min" and
"max": theo il le velisc orrect. #
Engine oil level Add 1.0 l andtheb ar display
fo ri ndicating theo il le velint he multifunction
displa yisorang ea nd is belo w"min": topup
wit h1lofe ngineoil. #
Reduce engin eoil level andtheb ar display
fo ri ndicating theo il le velint he multifunction
displa yisorang ea nd is abo ve"max": drain
of ft he exc ess engine oil. Consult aqualified
specialis tworks hop. #
For engine oil level turn on ignition:s witchon
th ei gnition tocheckt he engine oil le vel. #
Engine oil level System inoperative :sensor
fa ulty or no tconnec ted. Consult aqualified
specialis tworks hop. #
Engine oil level System currently unavail. :
close theb onnet.
To pping up engine oil &
WARNING Danger of bu rnsf romh ot
component parts in thee ngine compart‐
ment
Cer tain component parts in thee ngine com‐
partmen tmaybe very hot, e.g. thee ngine,
th er adiator and parts of thee xhau stsystem. #
Letthe engine cool down and only
to uc ht he component parts described
below: &
WARNING Risk offire and injur yfrom
engine oil
If engine oil comes int ocontact wi thhot
component parts in thee ngine compart‐
ment ,itmayignite. #
Mak esuret hat no engine oil is spilled
next tothef iller opening. #
Allo wthe engine tocool of fand thor‐
oughl yclean thee ngine oil from compo‐
nentp arts befor estartin gt he vehicle. *
NO
TEEngine dama gecaused byan
incor rect oil filter ,incor rect oil or addi‐
tives #
Do no tuse engine oil soroilfilters
whic hdon otcor respond tothes pecifi‐
cation sexplicit lyprescribed fort he
service inter vals. #
Do no talter thee ngine oil or oil filter in
order toachie velonger chang einter vals
th an presc ribed. #
Do no tuse additives. #
Followt he instructions in thes ervice
inter vald ispla yregarding theo il
ch ange. Main
tenance and care 363

*
NO
TEDama gecaused bytopping up too
muc hengine oil To
pping up toom uche ngine oil can cause
damag etothe engine or thec atalytic con‐
ve rter. #
Have excess engine oil remo vedata
qu alified specialis tworks hop. #
Turn cap 1anti-clockwise and remo veit. #
Topupt he engine oil. #
Replace cap 1and tur nitclockwise as far
as it will go. #
Chec kthe oil le vela ga in (→ page362). Checking
thec oolant le vel &
WARNING Danger of bu rnsf romh ot
component parts in thee ngine compart‐
ment
Cer tain component parts in thee ngine com‐
partmen tmaybe very hot, e.g. thee ngine,
th er adiator and parts of thee xhau stsystem. #
Letthe engine cool down and only
to uc ht he component parts described
below: &
WARNING Danger of bu rnsf romh ot
coolant
The engine cooling sy stem is pressurised,
particularly when thee ngine is warm.Ify ou
open thec ap, youc ould be scalded byhot
coolant spr aying out. #
Letthe mo torc ool down befor eopening
th ec ap. #
When opening thec ap, wearglove sand
pr otectiv eeyewe ar. #
Slowl yturnt he cap half aturntoa llow
pressur etoescape. 364
Maintenanc eand care

#
Park thev ehicle on alevel sur face. #
Chec kthe coolant temp eratur edispla yint he
instrument clus ter.
The coolant temp eratur emustbeb elow
70 °C. #
Slowl yturnc ap 1 anti-clockwise torelie ve
exc ess pressure. #
Continue turning cap 1anti-clockwise and
re mo veit.
The coolan tleve lisc orrect:
R ifth ee ngine is cold up tomar kerb ar2
R ifth ee ngine is warm upto1.5c mo ver
mar kerb ar2 #
If necessar y,topupw ithc oolant that has
been appr ovedbyM ercedes-Benz.
R Further information on coolant (→ page427) To
pping up the windsc reen washer sy stem &
WARNING Danger of bu rnsf romh ot
component parts in thee ngine compart‐
ment
Cer tain component parts in thee ngine com‐
partmen tmaybe very hot, e.g. thee ngine,
th er adiator and parts of thee xhau stsystem. #
Letthe engine cool down and only
to uc ht he component parts described
below: &
WARNING Danger of bu rnsw hen open‐
ing theb onnet
If yo uo pen thee ngine bonn etwhen the
engine has overheated or during afireint he
engine compartment, youc ould come into
contact wit hhotgases or other escaping
operating fluids. #
Befor eopening theb onnet ,allowt he
engine tocool down. #
Inthee vent of afireint he engine com‐
partment, keep thee ngine bonn et
closed and cal lthe fire service. &
WARNING ‑Riskoff irea nd injur ydue to
windscreen washer concentrate
Wi ndsc reen washer concentrat eishighly
fl ammable. It coul dignit eifitc omes into
con tact wi thhote ngine component parts or
th ee xhau stsystem. #
Mak esuret hat no windscreen washer
concentrat espills out next tothef iller
opening. Maintenance and care
365