2018 MERCEDES-BENZ S-CLASS SEDAN checking oil

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

#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

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