2018 MERCEDES-BENZ S-CLASS SEDAN check oil

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

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:
,6HUYLFH.(QJLQH 2LO /HYHO
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

#Follow the instructions in the service
inter val display rega rding the oil
ch ange.
* NO
TEDama gecaused bytopping up too
much engine oil
Ad ding too much engine oil can cause dam‐
age tothe engine or the catalytic con verter.
#Ha ve excess engine oil remo ved at a
qu alified specialist workshop.
#Tu rn cap 1counter-clockwise and remo ve
it.
#Ad d engine oil.
#Replace cap 1and turn it clockwise as far
as it will go.
#Check the oil le vel again (→page 381).
Checking coolant le vel
&
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 Danger of burn s from hot
coolant
The engine cooling sy stem is pressurized,
particularly when the engine is warm. If you
open the cap, you could be scalded byhot
coolant spr aying out.
#Let the mo tor cool down before opening
th e cap.
#When opening the cap, wearglove s and
pr otective eyew ear.
#Slowly turn the cap half a turn toallow
pressure toescape.
Maintenance and care 383

Displaymessages
Possible causes/consequences and MSolutions
4
&KHFN (QJLQH 2LO $W 1H[W
5HIXHOLQJ*T
he engine oil le vel has dropped tothe minimum le vel.
* NO
TEEngine damage causedbydriving with insuf ficient engine oil#Av oid long journe yswith insuf ficient engine oil.
#Check the engine oil le vel when next refueling.
Ad d engine oil (
→page 382).
No tes on engine oil (
→page 449).
¯
'() 6\VWHP )DXOW (QJLQH
6WDUW 1RW 3RVVLEOH *T
he DEF sy stem is malfunctioning. You can no longe rst art the engine.
#Consult a qualified specialist workshop immediatel y.
¯
'() 6\VWHP )DXOW 6HH
2SHUDWRU
V 0DQXDO *T
he DEF sy stem is malfunctioning.
#Vi sit a qualified specialist workshop immediatel y.
Displaymessage s andwarning/indicator lamps 485

M................................................... 497
N ................................................... 498
¯ .................................................... 481
Ac tive Blind Spot Assi stCur rently
Un available See Operator's Manual .....4 77
Ac tive Blind Spot Assi stInoperative ....477
Ac tive Blind Spot Asst. Not Available
When Towing a Trailer See Opera‐
to r's Manual ........................................ 477
Ac tive Brake Assi stFunctions Cur‐
re ntly Limited See Ope rator's Man‐
ual .......................................................4 68
Ac tive Brake Assi stFunctions Limi‐
te d See Operator's Manual .................. 468
Ac tive Dis tance Assist Currently
Un available See Operator's Manual .....4 80
Ac tive Dis tance Assist Inoperative ......480
Ac tive Dis tance Assist NowAvailable
............................................................ .480
bAc tive Headlamps Inoperati ve..... 499 Ac
tive Hood Malfunction See Opera‐
to r's Manual ........................................ 497
Ac tive Lane Keeping Assist Cur rently
Un available See Operator's Manual .....4 76
Ac tive Lane Keeping Assist Inopera‐
tive ...................................................... .476
Ac tive Parking Assist and
PA RKTRONI CInoperati veSee Opera ‐
to r's Manual ........................................ 478
Ac tive Parking Assist Maneuvering
Assis tance Restricted See Ope ra‐
to r's Ma
nual ........................................ 479
Ac tive Steering Assist Cur rently
Un available See Operator's Manual .....4 80
Ac tive Steering Assist Inoperative .......4 81
Ad aptive Highbeam Assist Camera
Vi ew Restricted See Ope rator's Man‐
ual ....................................................... 501
Ad aptive Highbeam Assist Cur rently
Un available See Operator's Manual .....5 00 Ad
aptive Highbeam Assist Inopera‐
tive ...................................................... 500
App lyBrake toShift from 'P' ............... 492
ÀAT TENTION ASSIST Inoperative ...474
ÀAT TENTION ASSIS T:Take a
Break! .................................................. 474
bAu toLamp Function Inoperati ve
............................................................. 500
Au xilia ryBattery Malfunction .............. 494
Blind Spot Assist Currently Una vaila‐
ble See Opera tor's Manual .................. 478
Blind Spot Assist Inoperative...............478
$ Check Brake Fluid Le vel............ .467
Check Coolant Le vel See Operator's
Manual ................................................ 482
4Check Engine Oil AtNext Refu‐
eling .................................................... 485
bChe ckLeft Low Beam (e xam‐
ple) ...................................................... 499
hChe ckTire s ................................. 487
528
Index

Engine number........................................ 445
Engine oil ................................................ .382
Ad ding .................................................3 82
Ad ditives ............................................ .449
Capacity .............................................. 450
Che cking the oil le vel using the oil
dipstick ................................................ 381
Checking the oil le vel using the on-
board computer ................................... 381
MB-Fr eigabe or MB-Appr oval .............. .450
Quality ................................................. 450
ESC (Electronic Stability Control)
see ESP
®(Electronic Stability Prog ram)
ESP
®
Crosswind Assist ................................. 191
ESP
®(Electronic Stability Prog ram) ...... 189
Fu nction/no tes ................................... 189
Switching on/off ................................. 191
Exterior lighting Care .................................................... 389
Exterior lighting see Lights External device
Locking .............................................. .283
F
Fa tigue de tection
see ATTENTION ASSIST
Favo rite s
Ad ding ................................................ .273
Calling up ............................................ 273
Del eting .............................................. .274
Moving .................................................2 74
Overview ............................................. 273
Re naming ............................................ 273
Flacon Inserting/removing .............................. 161
Flat tire .................................................... .393
Changing a wheel ................................ 437
MOExtended tires ................................ 394
No tes .................................................. 393
TIREFIT kit ...........................................3 95
Floor mats ................................................ 141
Fo lding table ............................................ 121 Fr
ag rance
see Frag rance sy stem
Fr ag rance sy stem .................................... 161
Inserting/removing theflacon ............ .161
Fr ee software ............................................ 30
Fr equencies
Tw o-w ayradio ...... .....
..........................4
44
Fr equency band
Dialing (on-board computer) ................ 251
Fr ont air bag (driver, front passenger) .... 38
Fr ont passenger air bag shuto ff
see Automatic front-passenger front
air bag deactivation sy stem
Fr ont passenger head restra int
Ins talling/ removing (chauff eur mode) ... 97
Fr ont passenger seat
Ad justing from the driver's seat ............ .91
Ad justing from there ar passenger
compartment ........................................ .91
Ins talling/ removing the head
re stra int (chauf feur mode) .................... .97
Fu el .......................................................... .449
Ad ditives ............................................ .449
Index 533