2018 MERCEDES-BENZ E-CLASS SEDAN tire pressure

Whattodo in thee vent of an accident
1 QR codef or accessing ther escue card →
26
2 Safetyv ests →
334
3 Button fort he SOS emer gency cal lsyst em and
breakdown assis tance →
286
4 Checking and topping up operating fluids →
388
5 Tow- startin gand towing away →
346
6 Flat tire →
3347Startin gassis tance →
342
8 Haza rdwa rning lights →
116
9 Fuelfiller flap wit hinstruction labels fort ire
pressure ,fuel type and QR code fora ccessing
th er escue card →
147
A Tow- startin gand towing away →
346
B TIREFIT kit →
336
Atag lanc e–E merg encies an dbreak downs 17

RThe blowerfor thev entilation/heating is
swit ched off.
RThe windshield wipe rswitchisinp osition
g.
RIn car washes wit haconveyo rs ystem: neu‐
tral iis engaged.
RThe SmartK eyis at adista nce of at least
10 ft(3 m) away from thev ehicle, otherwise
th et runk lid could open unintentionall y.
% If, af tert he car wash, your emo vethew ax
from thew indshield and wiper rubber ,this
will pr event smearing and reduce wiper
noise.
Information on using apowe rwasher
&
WARNING Risk of accident whe nusing
high-pressur ecleaning equipment wi th
ro und-s pray nozzles
The wate rjet from around-spr aynozzle( dirt
grinder) ma ycause damage totires and sus‐
pension components that is no tvisible.
Component sdamaged in this wa ym ayfail
unexpec tedly.
#Do no tuse high-pressur ecleaning
equipment wi thround-spr aynozzles to
clean your vehicle.
#Damaged tires or suspension compo‐
nentsm ustber eplaced immediatel y.
Toavo id damag etoyourvehicle, obser vethef ol‐
lowing when using apowerwa sher:
RKeep theS martK eyat leas t10ft(3m)a way
from thev ehicle. Otherwise thet runk lid
could open unintentionall y.
RMaintainadista nce of at leas t11.8i n
(30 cm) tothev ehicle.
RVehicles with deco rativ efoil: parts of your
ve hicle ar ecove redw ithad ecorativ efoil.
Maintain adista nce of at leas t27.6i n
(70 cm) between thef oil-co veredp arts of the
ve hicle and then ozzle of theh igh pressure
cleaner .Move thep owe rwashern ozzle
around whils tcleaning.
RObser vethei nformation on thec orrect dis‐
ta nce in thee quipment manufacturer's oper‐
ating instructions.
RDo no tpoint then ozzle of thep owerwa sher
directl yatsensitiv eparts suc hastires, slits,
electrical component parts, batteries, light
sources and ventilation slot s.
Washing the vehicl ebyh and
Observethel egal requirements, e.g. in anumber
of countries, washing byhand is onl ypermitted
in specially designated wash ba ys.
#Use amild cleaning agent, e.g. car shampoo.
#Washthev ehicle wit hlukewa rmwate rusing
as oftc ar sponge. When doing so, do not
ex pose thev ehicle todirect sunlight.
#Carefully hose thev ehicle of fwithw ater and
dr yu sing achamois. Take car enot to point
th ew ater je tdirectl ytow ards thea ir inlet
grille.
Maintenanc eand care 327

call1-800-FOR-MERCedes (i nthe USA) or
1-800-387-0 100( in Canada).
#Cor rect thet irep ressur eifitiss tillatl east
13 0k Pa(1.3 bar/1 9psi).S eetheT irea nd
Loading Info rmatio nplacar dont he driver's
side B‑pillar or thet irep ressur etable in the
fuel filler flap forv alues.
#To increase thet irep ressure: switchon
th et irei nflation compressor.
#To reduce the tir epress ure: press pressure
re lease button 1next tomanome ter2.
#When thet irep ressur eisc orrect, unscr ew
th ef illing hose from thev alveoft he sealed
tire.
#Scr ew thev alvec ap ont othe tir evalveoft he
sealed tire.
#Pull thet ires ealant bottle out of thet ire
inflation compressor.
The filling hose stay sont he tiresealant bot‐
tle.
#Driv etot he neares tqualified specialis twork‐
shop and ha vethet ire, tir esealant bottle and
fi lling hose replaced there.
Bat tery (vehicle)
Note sont he12Vb attery
&
WARNING Risk of an accident duet o
wo rkcar ried out incor rectly on theb at‐
te ry
Wo rkcar ried out incor rectl yont he battery
can, fore xamp le, lead toas hor tcircuit .This
can lead tofunction restrictions in saf ety-re l‐
eva nt sy stems, fore xamp lethel ighting sys‐
te m, ABS (anti-lock braking system) or ESP®
(Elect ronic StabilityP rogram). The ope rating
saf etyofy ourvehicle ma yberestricted.
Yo uc ould lose cont roloft hevehicle in the
fo llowing situations:
Rwhen braking
Rin thee vent of ab rupt steering maneuvers
and/or when thev ehicle's speed is not
adap tedtot heroad conditions
#In thee vent of ashort circui torasimi‐
la ri ncident, contact aqualified special‐
is tw orks hop immediately.
#Do no tcontinue driving.
#Alw aysh ave workon theb atter ycarried
out at aqualified specialis tworks hop.
RFu rther information on ABS (→pag e158)
RFurther information on ESP®
Fo rs afet yr easons, Mercedes-Benz recommends
th at youo nly use batte ries whic hhaveb een tes‐
te da nd appr oved fory our vehicle byMercedes-
340
Breakdown assis tance

Tire pressure
Note sont irep ressure
&
WARNING Risk of accident duetoi nsuf‐
fi cient or excessiv etirep ressure
Underinfla tedoro verinfla tedt ires pose the
fo llowing risks:
RThe tires ma yburst,e speciall yasthe
load and vehicle speed increase.
RThe tires ma ywear excessivel yand/or
une venly, whic hmaygreatly impair tire
traction.
RThe drivingc haracteristics, as well as
st eering and braking, ma ybegreatly
impaired.
#Comply wit hthe recommended tire
pressur eand checkt he tir epressur eof
all tires including thes par ew heel regu‐
larly:
Rat leas tonce amonth
Rwhen thel oad changes
Rbefor eembarkin gonalongerjourney
Rif operating conditions change, e.g .off-
ro ad driving
#Ad jus tthe tir epressur easn ecessar y.
Driving wi thtirep ressur ethat is tooh igh or too
lo wc an:
RSho rten thes ervice lif eofthe tires.
RCause increased tir edamage.
RAdverselya ffect driving characteristic sand
th us dr ivingsafet y, e.g. due toaquaplaning.
&
WARNING Risk of an accident duet o
insuf ficient tir epressure
Ti re sw ithp ressur ethat is tool ow can over‐
heat and bur stas aresult.
In addition ,the ya lso suf ferf rome xcessive
and/or ir regular wear,w hic hc an significantly
impair theb raking properties and theh an‐
dling characteristics.
#Av oid excessively lo wtirep ressures in
all thet ires, including thes par ew heel.
Tire pressur ewhichist oo lo wcan cause:
RTire defectsasar esult ofoverheating
RImpaired handling characteristics
RIrre gular wear
RIncreased fuel consum ption
&
WARNING Risk of accident from exces‐
siv etirep ressure
Ti re sw ithe xcessivel yhigh pressur ecan
bur stbecause they ared amaged mor eeasily
by highw ayfill, po tholes etc.
In addition, they also suf ferf romi rregular
we ar,w hic hc an significantl yimp air theb rak‐
ing properties and theh andling characteris‐
tics.
#Av oid excessively high tir epressures in
all thet ires, including thes par ew heel.
Excessively high tir epressur ecan result in:
RIncreased braking dis tance
RImpaired handling characteristics
RIrre gular wear
356
Wheels and tires

RImpaireddriving comfort
RSusceptibility todamage
&
WARNING Risk of accident caused by
re peated drop in tir epressure
If th et irep ressur edrops repeatedly ,the
wheel, valveort irem aybe damaged.
Insuf ficient tir epressur ecan cause thet ires
to bur st.
#Inspect thet iref or signs of fore ign
objects.
#Chec kwhether thew heel or valveh as a
leak.
#If yo ua reunab leto rectify thed amage,
conta ctaq ualified specialis tworks hop.
Yo uc an find informatio nontirep ressures for
th ev ehicle's factor y-ins talled tires on thef ollow‐
ing labels:
RTi re and Loading Info rmatio nplacar dont he
B‑pi llarofyour vehicle (→pag e361).
RTire pressur etable on thei nside of thef uel
fi ller flap (→pag e357). Observ
ethe maximum tir epressure
(
→pag e369).
Use asuitable pressur egaug etoc heckthe tire
pressure. The outer appearance of atired oes
no tp ermit an yreliable conclusion about thet ire
pressure.
Ve hicles with atirep ressur emonitoring sys‐
te m: Youc an also checkt he tir epressur eusing
th eo n-board computer.
Onl ycorrect tir epressures whe nthe tires are
cold. Conditions forc old tires:
RThe vehicle has been par kedw itht he tires
out of direct sunlight foratl east thre eh ours.
RThe vehicle has tr aveled less than 1m ile
(1.6 km).
Ar ise in thet iret emperatur eof18°F( 10°C)
increases thet irep ressur ebya pprox.10k Pa
(0. 1b ar/1.5 psi). Take this int oaccount when
ch ecking thet irep ressur eofw armt ires.
The tir epressures recommended fori ncreased
load/speedint he tirepressur etable can af fect
th er ide comfort.
&
WARNING Risk of accident from unsuita‐
blea ccessori es onthet irev alves
If yo um ountunsuitable accessories onto tire
va lves, thet irev alves ma ybeoverloaded and
malfunction, whic hcan cause tir epressure
loss. Tire pressur emonitoring sy stems for
re trofitting will cause thet irev alvetor emain
open .This can als oresult in tir epressure
loss.
#Onl yscrew standar dvalvec aps or valve
cap sspecifically appr ovedby
Mercedes-Benzf oryour vehicle onto
th et irev alve.
Tire pressur etable
The tir epressur etable is on thei nside of the
fuel filler flap.
% The dat ashown in thei mages is example
data.
Wheels and tires 357

The tirepressur etable sho ws therecommended
tir ep ressur efor all tires appr ovedfor this vehi‐
cle. The recommended tir epressures apply for
cold tires under various operating conditions, i.e.
loading and/or speed of thev ehicle.
If one or mor etires izes precede atirep ressure,
th et irep ressur einformation following is only
va lid fort hose tir esizes.
The load conditions "partially laden" and "fully
laden" ar edefined in thet able ford iffe re nt num‐
be rs of passenger sand amounts of luggage. The
actual number of seats ma ydiffe rf romt his.
Some tir epressur etables onl yshowt he rim
diame teri ns tead of thec omple tetires ize, e.g.
R18 .The rimd iame terisp artoft he tir esize and
can be found on thet ires ide wall (
→pag e369).
Be sur etoalso observ ethe following fur ther
re lated subjects:
RNo tesont irep ressur e(→page356)
RTire and Loading Info rmatio nplacard
(→pag e361)
RMaximum tir epressur e(→page369)
Checking tir epressure smanually
#Read thet irep ressur efor thec urrent operat‐
ing conditions from theT irea nd Loading
Info rmatio nplacar dort he tirepressure
ta ble. Obser vethen otes on tir epressure.
#Re mo vethev alvec ap of thet iretob e
ch ecked.
#Press thet irep ressur egaug esecurel yonto
th ev alve.
#Read thet irep ressure.
#Ifth et irep ressur eisl owerthan ther ecom‐
mended value, inc rease thet irep ressur eto
th er ecommende dvalue.
#Ifth et irep ressur eish igher than ther ecom‐
mended value, release air .Todos o, press
down them etal pin in thev alve, e.g. using
th et ip of apen fore xamp le. Then checkt he
tir ep ressur eagain usingt he tirepressure
ga uge.
#Sc rewt he valvec ap ont othe valve.
358
Wheels and tires

Further related subjects:
RNo tesont irep ressur e(→page356)
RTire pressur etable (→pag e357)
RTire and Loading Info rmatio nplacard
(→pag e361)
Tire pressur emonitoring sy stem
Fu nction of thet irep ressur emonitoring sys‐
te m
&
DANG ER Risk of accidentd uetoincor‐
re ct tir epressure
Ever ytire, including thes par e(if pr ovided),
should be checkedw hen cold at leas toncea
mont hand inflated tothep ressur erecom‐
mended bythev ehicle manufacturer (see
Ti re and Loading Info rmatio nplacar dont he
B-pi llaronthed rive r’ss ide or thet irep res‐
sur elabel on thei nside of thef uel filler flap
of your vehicle). If your vehicle has tires of a
dif fere nt size than thes ize indicated on the
Ti re and Loading Info rmatio nplacar dort he
tirep ressur etable, youn eedtod etermine
th ep roper tir epressur efor those tires.
As an added saf etyf eature, your vehicle has
been equipped wit hatirep ressur emonitor‐
ing sy stem (TPMS) that illuminates alow tire
pressur eindicator lam pwhen oneorm oreo f
yo ur tires ar esignif icantl yunderinflated.
Ac cordingly ,ifthe lo wtirep ressur eindicator
lam plights up, yous hould stop and check
yo ur tires as soonasp ossible, and inflate
th em tothep roper pressure. Driving on a
significantly underinflated tir ecauses thet ire
to ove rheat and can lead totiref ailure.
Und erinflation also increases fuel consump‐
tion and reduces tir etread life, and may
af fect thev ehicle's handling and braking abil‐
ity .P lease no tethat theT PMS is no tasubsti‐
tut efor proper tir emaintenance, and it is the
driver's responsibility tomaintain cor rect tire
pressure, evenifu nderinflatio nhasnot
re ached thel evel to trig gerillumination of
th eT PMS lo wtirep ressur eindicator lamp.
Yo ur vehicle has also been equipped wit ha
TPMS malfunction indicator toindicat ewhenthes ystemisn otoperating properly .The
TPMS malfunction indicator is combined with
th el ow tirep ressur eindicator lamp. When
th es ystemd etects amalfunction, thei ndica‐
to rlamp willf lashfora pproxima tely am inute
and then remain continuously illumina ted.
This sequence will continue upon subsequent
ve hicle start-ups as longast he malfunction
ex ists.
When them alfunction indicator is illumina‐
te d, thes ystem ma ynotbe able todetect or
signal lo wtirep ressur easi ntended. TPMS
malfunctions ma yoccurf orav ariety of rea‐
sons, includingt he installation of incompati‐
ble replacementora lternatetires or wheels
on thev ehicle that pr eventtheT PMS from
functioning properly.
Alw aysc hec kthe TPMS malfunction warning
lam pafter replacing one or mor etires or
wheels on your vehicle toensur ethat the
re placemen toralternat etires and wheels
allo wthe TPMS tocontinu etofunction prop‐
er ly.
Wheels and tires 359

The system checks thet irep ressur eand thet ire
te mp eratur eofthe tires fitted tothev ehicle by
means of atirep ressure sensor.
Ne wt irep ressur esensors, e.g. in winter tires,
ar ea utomaticall ytaught-in thef irst tim etheya re
driven.
The tir epressur eand thet iret emperature
appear in them ultifunction display
(
→pag e206).
If th er eisas ubstantia lpressure loss or if the
tir et emperatur eisexcessive, awarning will be
given:
RVi ad ispla ymessages (→page426).
RViat he h warning lam pinthe instrument
clus ter(→pag e456).
It is thed rive r's responsibility tosetthe tire
pressur etotherecommended cold tir epressure
suitable fort he operating situation. Se tthe tire
pressur efor cold tires using atirep ressure
ga uge. Notethat thec orrect tir epressur efor the
cur rent operating situatio nmustfirst be taught-
in to thet irep ressur emonitoring sy stem. In mos
tcases, thet irep ressur emonitoring sys‐
te mw illautom atically updat ethe ne wreference
va lues af tery ou ha vechanged thet irep ressure.
Yo uc an,h ow ever,a lso updat ethe refere nce val‐
ues byrestartin gthe tir epressur emonitoring
sy stem manuall y(
→page361).
Sy stem limitations
The sy stem ma y
bei mpaired or ma ynotfunction
in thef ollowing situations:
RIfth et irep ressur eiss etincor rectly.
RIfth er eisas udden pressur eloss caused, for
ex ample, byaforeign object penetratin gthe
tire.
RIf th er eisam alfunction caused byano ther
ra dio signal source.
Mak esuretoo bservethef ollowing fur ther rela‐
te ds ubjec t:
RNotesont irep ressur e(→page356)
Checking thet irep ressur ewitht he tir epres‐
sur em onitoring sy stem
Requ irement:
RThe ignition is switched on. On-boar
dcomputer:
,6HUYLFH.7LUHV
One of thef ollowing displa ysappears:
RCur rent tir epressur eand tir etemperatur eof
th ei ndividual wheels:
R7LUH SUHVVXUH ZLOO EH GLVSOD\HG DIWHU GULYLQJ D
IHZ PLQXWHV
R7LUH 3UHVVXUH 0RQLWRU $FWLYH:t heteach-in
process of thes ystemisn ot yetcomple te.
The tir epressures ar ealready being moni‐
to re d.
#Compar ethe tir epressur ewitht he recom‐
mended tir epressur efor thec urrent operat‐
360
Wheel sand tires