2018 MERCEDES-BENZ S-CLASS SEDAN maintenance

Activating/deactivating volume adjustment
in the Bu rmester®high-end 3D sur round
sound sy stem
Multimedia sy stem:
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XPH $GMXVWPHQW
Au tomatic volume adjustment compensates for
dif fering volumes when changing between audio
sources.
#Ac tivate Oor deacti vate ª the function.
Ad justing the balance/ fader in the
Burmes ter
®high-end 3D sur round sound
sy stem
Multimedia sy stem:
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)DGHU
#Ad just the balance and fader.
#To exitth e menu: pressthe% button. Ad
justing the seat-based sound optimization
in the Burmes ter
®high-end 3D sur round
sound sy stem
Multimedia sy stem:
,0HGLD.à 6RXQG.9,3 6HDW
This setting optimizes the sound playback forth e
selected seat position.
#Ac tivate the function O.
#Select a seat position.
Selecting the sound profile in the
Bu rm ester
®high-end 3D sur round sound
sy stem
Multimedia sy stem:
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The following profiles are available:
R3XUH
R(DV\ /LVWHQLQJ
R/LYH
R6XUURXQG
R'6RXQG
#Select a sound profile.
Re ar Seat Entertainment Sy stem
Operating saf ety
&
WARNING Risk of injury from laserradi‐
ation from the Blu-r aydrive
The Blu-r aydrive is a class 1 laser product. If
yo u open the housing of the Blu-r aydrive,
th ere is a risk of exposure toinvisible laser
ra diation.
Laser radiation can damage your retina.
#Do not open the housing.
#Alw ays ha vemaintenance workand
re pairs car ried out byaqu alified spe‐
cialist workshop.
&
WARNING Risk of injury from unsecured
items in theve hicle
If objects such as headphones/headsets or
ex tern al audio/video sources are not
secured in theve hicle interior, they can be
fl ung around and hit vehicle occupants.
360
Multimedia sy stem

"Madefor iPod", and "Made for iPhone," mean
th at an electronic accessory has been designed
to connect specifically toiPod, or iPhone,
re spectivel y,and has been certified bythe de vel‐
oper tomeet Apple per form ance standards.
Apple is not responsible forth e operation of this
device or its compliance with saf etyand regula‐
to ry standards. Please no tethat the use of this
accessory with iPod, or iPhone may af fect wi re‐
less per form ance.
Fo r the USA: iPhone
®, iPod®, iPod classic®,
iPod nano®, and iPod touch®are trademar ksof
Apple Inc., regis tere d in theU. S. and other coun‐
tries. Lightning™ is a trademark of Apple Inc.
Fo r Canada: iPhone, iPod, iPod classic, iPod
nano, and iPod touch are trademar ksof Apple
Inc., regis tere d in theU. S. and other countries.
Lightning is a trademark of Apple Inc.
Cinavia notice: this product uses Cinavia tech ‐
nology tolimit the use of unauthorized copies of
some commercially-produced film and videos
and their soundtra cks. When a prohibited use of
an unauthorized copy is de tected, a message will
be displ ayed and playback or copying will be inter
rupted. More information about Cinavia
te ch nology is pr ovided at Cinavia Online Con‐
sumer Information Center at http://
www.cinavia.com. Torequ est additional informa‐
tion about Cinavia
byma
il, send a postcard with
yo ur mailing addressto: Cinavia Consumer Infor‐
mation Center, P.O. Box 8685 1,San Diego, CA,
92 13 8, US A.
This product incorporates proprie tary tech nology
under license from Verance Co rporation and is
pr otected byU.S. Patent 7,369,6 77and other
U. S. and worldwide patents issued and pending
as well as copyright and trade secr etprotection
fo r cer tain aspects of such tech nology. Cinavia is
a tradema rkofVerance Co rporation. Copyright
2004-20 12Verance Co rporation. All rights
re ser vedby Verance. Reverse Engineering or dis‐
assembly is prohibited.
Inserting a disc
& WARNING Risk of injury from laserradi‐
ation from the Blu-ray drive
The Blu-ray drive is a class 1 laser product. If
yo u open the housing of the Blu-ray drive,
there is a risk of exposure toinvisible laser
ra diation.
Laser radiation can damage your retina.
#Do not open the housing.
#Alw ays ha vemaintenance workand
re pairs car ried out byaqu alified spe‐
cialist workshop.
Re ar Seat En tertainment Sy stem:
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Inserting
#Insert the disc into the drive (→page 366).
The side tobe pla yed must face down wards.
Re moving
#Press the button toeject the disc
(→page 366).
#Re mo vethe disc.
Multimedia sy stem 37
3

ASSYST PLUS serv ice interval display
Fu nction of the ASS YST PLUS serv ice interval
displ ay
The ASS YST PLUS service inter val display in the
Instrument Display pr ovides information on the
re maining time or dis tance be fore the next
service due date.
Yo u can hidethis service message using the
back button on the left-hand side of thesteering
wheel.
Yo u can obtain fur ther information concerning
th e servicing of your vehicle from a qualified
specialist workshop, e.g. an authorized
Mercedes-Benz Center.
Displaying the service due da te
On-board computer:
,6HUYLFH.$66<67 3/86
The next service due date is displa yed.
#To exitth e displa y:press the back button
on the left-hand side of thesteering wheel. Make sure
toobser vethefo llowing fur ther rela‐
te d subjec t:
ROperating the on-board computer
(→page 245).
Car rying out service workatregular inter‐
va ls
* NO
TEPremature wearthro ugh failure to
obser veservice due dates
Service workwhich is not car ried out at the
ri ght time or incomple tely can lead to
inc reased wear and damage totheve hicle.
#Alw ays obser vethe prescribed service
inter vals.
#Alw ays ha vethe prescribed service
wo rkcar ried out at a qualified specialist
wo rkshop.
Special service requ irements
The prescribed service inter val is based on nor‐
mal operation of theve hicle. Service workwill need
tobe per form ed more of ten if theve hicle
is operated under arduous conditions or
increased loads, forex ample:
Rregular city driving with frequent intermedi‐
ate stops.
Rif th eve hicle is primarily used totrave l short
dis tances.
Rfor frequent operation in mountainous terrain
or on poor road sur faces.
Rif th e engine is of ten le ftidling for long peri‐
ods.
Rin particula rly dusty condition sand/o rif air -
re circulation mode is frequently used.
In these or similar operating conditions, ha vethe
interior air filter, engine air filter, engine oil, oil
fi lter etc. changed more frequent ly.Th etire s
must be checked more frequently if theve hicle
is operated under increased loads. Further infor‐
mation can be obtained at a qualified specialist
wo rkshop.
Maintenance and care 37
7

Battery disconnection periods
The ASSYST PLUS service inter val display
can only calculate the service due da tewhen
th e batte ryis connected.
#Notedown the service due date displa yed in
th e Instrument Display before disconnecting
th e battery (
→page 377).
Engine co mpartment
Active hood (pedestrian pr otection)
Operation of the active hood (pedestrian pro‐
te ction)
In cer tain accident situations, therisk of injury
to pedestrians can be reduced bythe actuation
of the active hood. The rear area of the hood is
ra ised byappr oximately 80 mm.
Fo rth e drive tothewo rkshop, reset the trig‐
ge red active hood yourself. Ifth e active hood
has been triggered, pedestrian pr otection may
be limited.
A qu alified specialist workshop must re-ins tate
th e full functionality of the active hood. The active hood is not
available in all countries.
Re setting the active hood
&
WARNING Risk of burn s from hot com‐
ponent parts in the engine compartment
Cer tain component parts in the engine com‐
partment can be very hot, e.g. the engine,
th e cooler and parts of theex haust sy stem.
#Let the engine cool down and only
to uch the component parts described
as follo ws .
#With your hand flat, push down active hood
1 inthe area around the hinges on bo th
sides (ar rows).
The hood must engage in position.
#If th e active hood can be raised slightly at
th ere ar in the area of the hinges, repeat the
st ep until it engages cor rectl y.
Opening/closing the hood
&
WARNING Risk of accident if the engine
hood is unlatched while driving
An unloc ked engine hood may open up when
th eve hicle is in motion and block your vie w.
#Never unlatch the engine hood while
driving.
#Before every trip, ensure that the
engine hood is latched.
37 8
Maintenance and care

&WARNING Risk of accident and injury
when opening and closing the engine
hood
When opening or closing the engine hood, it
may suddenly drop into the end position.
There is a risk of injury for an yone in the
engine hood's range of mo vement.
#Only open or close the engine hood
when there are no persons in the
engine hood's range of mo vement.
&
WARNING Danger of burn s when open‐
ing the hood
If yo u open the hood when the engine has
ove rheated or during a fire inthe engine
compartment, you could come into contact
wit h hot gases or other escaping operating
fl uids.
#Before opening the hood, allow the
engine tocool down.
#Intheeve nt of a fire inthe engine com‐
partment, keep the hood closed and
call thefire service.
&
WARNING Risk of injury duetomoving
parts
Cer tain components in the engine compart‐
ment may continue tomo veor suddenly
mo veagain even af terth e ignition has been
switched off, e.g. the cooler fan.
Make sure of thefo llowing before per form ing
ta sks in the engine compartmen t:
#Switchthe ignition off.
#Ne verto uch the danger zone sur round‐
ing moving co mponent parts, e.g. the
ro tation area of thefa n.
#Re mo vejewe lry and watches.
#Keep items of clo thing and hair away
from moving parts.
& WARNING Risk of injury fromtouching
co mp onent parts under voltage
The ignition sy stem and the fuel injection
sy stem workunder high voltage. If youto uch
co mp onent parts which are under voltage,
yo u could receive an electric shoc k.
#Neverto uch co mponent parts of the
ignition sy stem or the fuel injection sys‐
te m when the ignition is switched on.
&
WARNING Risk of burn s from hot com‐
ponent parts in the engine compartment
Cer tain component parts in the engine com‐
partment can be very hot, e.g. the engine,
th e cooler and parts of theex haust sy stem.
#Let the engine cool down and only
to uch the component parts described
as follo ws .
Maintenance and care 37
9

&WARNING Risk of injury from usingthe
windshield wipers while the engine hood
is open
When the engine hood is open and the wind‐
shield wipers are set in motion, you can be
trapped bythe wiper linkage.
#Alw ays switch off the windshield wipers
and ignition before opening the engine
hood.
Plug-in hybrid: obser vethe no tes in the Supple‐
ment. Otherwise, you may not recognize dan‐
ge rs.
#To open: pull lever1 torelease the engine
hood.#Push hood catch 1upwards and lift the
hood byappr oximately 15in (40 cm).
#Toclose: lowe rth e hood and let it fall from a
height of appr oximately 8 in (20 cm).
#Ifth e hood can still be lif ted slightl y,open
th e hood again and close it with a little more
fo rc e until it engages cor rectl y.
380
Maintenance and care

Engine oil
Checkingthe engine oil le vel using the oil
dip stick (S 450, S 450 4MATIC)
&
WARNING Risk of burn s from hot com‐
ponent parts in the engine compartment
Cer tain component parts in the engine com‐
partment can be very hot, e.g. the engine,
th e cooler and parts of theex haust sy stem.
#Let the engine cool down and only
to uch the component parts described
as follo ws .
Plug-in hybrid: obser vethe no tes in the Supple‐
ment. Otherwise, you may not recognize dan‐
ge rs.
Depending on the engine, the oil dipstick may be
ins talled in the engine compartment in dif fere nt
locations.
Wa iting time before checking the oil le vel:
REngine at normal operating temp erature: five
minutes.
#Pa rk theve hicle on a flat sur face.
#Re mo veoil dipstick 1and wipe off.
#Slowly slide oil dipstick 1into the guide
tube tothestop, and take it out again af ter
appr oximately thre e seconds.
ROil le vel is cor rect: oil le vel is between 2
and 3.
ROil le velto o low: oil le vel is at 3or
belo w.
ROil le velto o high: oil le vel is abo ve2.
#Ifth e oil le vel is too lo w,add 1.1 US qt (1 l) of
engine oil.
#If th e engine oil le vel is too high, ha vethe
exc ess engine oil remo ved as soon as possi‐
ble at a qualified specialist workshop.
Checking the engine oil le vel using the on-
board compu ter (e xcept S 450, S 450
4MATIC)
The engine oil le vel is de term ined during driving.
The oil le vel display is only available af ter a driv‐
ing time of up to30 minutes and if the ignition is
switched on, depending on the driving profile.
It is not possible tocor rectly measure the oil
le ve l if:
RThe vehicle is not le vel during the measuring
process.
RThe engine hood was pr eviously opened.
The engine must be restar ted and the engine oil
le ve l will be de term ined again during driving.
Maintenance and care 381

On-board computer:
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Yo u will see one of thefo llowing display
messa ges in the multifunction displa y:
#0HDVXULQJ (QJLQH 2LO /HYHO: measurement
ofthe oil le vel is not yet possible. Repeat the
re qu est af ter a maximum of 30 minutes' driv‐
ing.
#(QJLQH 2LO /HYHO 2. andthe bar display for
indicating the oil le vel in the multifunction
display is green and is between "min" and
"max": the oil le vel is cor rect.
#(QJLQH 2LO /HYHO $GG  O andthe bar display
fo r indicating the oil le vel in the multifunction
display is orange and is below "min": add
1. 1 US qt (1 l) of engine oil.
#5HGXFH (QJLQH 2LO /HYHO andthe bar display
fo r indicating the oil le vel in the multifunction
display is orange and is abo ve"max ": drain
off theexc ess engine oil. Consult a qualified
specialist workshop.
#)RU (QJLQH 2LO /HYHO 6ZLWFK ,JQLWLRQ 2Q :
switch on the ignition tocheck the engine oil
le ve l.
#(QJLQH 2LO /HYHO 6\VWHP ,QRSHUDWLYH: sensor
defective or not connec ted. Consult a quali‐
fi ed specialist workshop.
#(QJLQH 2LO /HYHO 6\VWHP &XUUHQWO\ 8QDYDLO:
close the engine hood.
Ad ding engine oil
&
WARNING Risk of burn s from hot com‐
ponent parts in the engine compartment
Cer tain component parts in the engine com‐
partment can be very hot, e.g. the engine,
th e cooler and parts of theex haust sy stem.
#Let the engine cool down and only
to uch the component parts described
as follo ws .
&
WARNING Risk offire and injury from
engine oil
If engine oil comes into con tact wi thhot
component parts in the engine compart‐
ment, it may ignite.
#Make sure that no engine oil is spilled
next tothefiller opening.
#Allow the engine tocool off and thor‐
oughly clean the engine oil from compo‐
nent parts before starting theve hicle.
* NO
TEEngine damage causedbyan
incor rect oil filter, incor rect oil or addi‐
tives
#Do not use engine oils or oil filters
which do not cor respond tothe specifi‐
cations explicitly prescribed forth e
service inter vals.
#Do not alter the engine oil or oil filter in
order toachie velonger change inter vals
th an prescri bed.
#Do not use additives.
382
Maintenance and care