2018 MERCEDES-BENZ E-CLASS SEDAN Owner's Manual

partmentand trunk ,onlyu sethose fuses
mar kedw ithan" S". The fuse rating sarelist ed in
th ef use assignmen tdiagram.
Fu se assignment diag ram: onthef use bo xin
th et runk (
→pag e353).
* NO
TEDama geor malfunctions caused
by moisture
Moistur emaycause dama getothee lectrical
sy stem or cause it tomalfunction.
#When thef use bo xisopen, mak esure
th at no moistur ecan enter thef use
box.
#When closing thef use box, mak esure
th at thes eal of thel id is positioned cor‐
re ctly on thef use box.
Ifth en ewlyinser tedf use also blo ws,have the
cause trace dand rectifie dataq ualified special‐
is tw orks hop, e.g. aMercedes-Benz Service Cen‐
te r.
Ensure thef ollowing befor ereplacing afuse:
RThe vehicle is secured agains trolling away.
RAll electrica lconsumer sareswitched off.
RThe ignition is switched off.
The electrica lfus es ar eloc ated in various fuse
bo xes:
RFu se bo xont he driver's side of thee ngine
compartmen t(→page351)
RFu se bo xont he driver's side of thec ockpit
(→pag e352)
RFuse bo xinthe front passenger foot we ll
(→pag e352)
RFuse bo xinthe trunk on ther ight-hand side
of thev ehicle, when vie wedint he direction
of tr avel(
→pag e353)
Fuse bo xinthe engine compartment
Obser vethen otes on electrical fuses
(→pag e350).
Re quirements:
RYoun eedad ryclo thand ascrew driver. Opening
&
WARNING Risk of injury from usingthe
windshield wiper swhile thee ngine hood
is open
When thee ngine hood is open and thew ind‐
shield wiper saresetinm otion ,you can be
trappe dbythe wiper linkage.
#Alw ayss witc hoffthew indshield wipers
and ignition befor eopening thee ngine
hood.
Breakdown assis tance 351

#Turn clip 2on co ver1 aquar ter-tur nto
th el eft.
#Pull co ver1 upwards in thed irection of the
ar row .
#Remo veanye xisting moisture fromthef use
bo xu sing adryclo th.
#Loosen scr ews4,r emovefuse bo xlid 3
from thet op.
Closing
#Chec kwhether thes eal is positioned cor‐
re ctly in thel id.
#Inser tthe lid int othe brac ketatt herear of
th ef use box.
#Fold down lid of thef use bo xand tighten
scr ews4.
#Inser tcove r1 on bo thsides and engage
th es afet yc lips.
#Turn clip 2on co ver1 one quarter-tur nto
th er ight.
#Close thee ngine hood.
Dashboar dfuse box
The fuse bo xisonthe side of thed ashboard
under acover.
#Contact an authorized Mercedes-Benz Cen‐
terf or fur ther information.
Fu se bo xinthe front-passenger foot we ll
Obser vethen otes on electrical fuses
(→pag e350).
352
Breakdown assis tance

#Open cover1 inthed irection of thea rrow
and remo veit.
Fuse bo xinthe trunk
Obser vethen otes on electrical fuses
(→pag e350).
#Fold co ver1 down in thed irection of the
ar row .
The fuse assignment diagram is in areces son
th es ide of thef use box.
Breakdown assis tance 353

Notesonn oise or unusualh andlingcharac‐
te rist ics
While driving ,pay attention tovibrations, noises
and unusual handling characteristics, e.g .pulling
to one side. This ma yindicat ethat thew heels or
tires ar edamaged. If yous uspect that at irei s
defective, reduce your speedi mmediatel y.Stop
th ev ehicle as soon as possible tocheckt he
wheels and tires ford ama ge.H idden tir edam‐
ag ec ould also be causing theu nusual handling
ch aracteristics. If youf ind no sign sofdamage,
ha ve thet ires and wheels checkedataq ualified
specialis tworks hop.
Re gular checking of wheels and tires
&
WARNING Risk of accident from dam‐
aged tires
Dama gedt ires can cause tir epressur eloss.
As aresult, youc ouldlose cont rolofy our
ve hicle.
#Chec kthe tires regularly fors igns of
dama geand replace an ydamaged tires
immediatel y.
&
WARNING Risk of aquaplaning duet o
insuf ficient tir etread
Insuff icienttiret read will result in reduced
tir eg rip. The tir etread is no longer able to
dissipat ewater.
This meanst hat in heavyrain or slush the
ri sk of hydroplaning is increased, in particu‐
lar if vehicle speed is no tadap tedtos uitthe
conditions.
If th et irep ressur eist oo high or tool ow ,
tires ma yexhibit dif fere nt le vels of wear at
dif fere nt locations on thet irec onta ct sur‐
fa ce.
#Thus, yous hould regularly checkt he
tread dep thand thec ondition of thet ire
conta ct surf ace across thee ntir ew idth
of all tires.
Minimum tread dep thfor:
RSummer tires: âin (3 mm)
RM+S tires: ãin (4 mm)
#Fors afet yr easons, replace thet ires
befor ethe legally prescribed limit for
th em inimum tread dep thisreached.
Car ryout thef ollowing checks on all wheels reg‐
ularly ,atleastonce amonthorasr equired, e.g.
prior toalongj ourney or drivin goff-roa d:
RChec kthe tir epressur e(→page356).
RVisual inspection of wheels and tires for
damage.
RChec kthe valvec aps.
The valves mus tbeprotected agains tmois‐
tur ea nd dir tbythevalvec aps appr oved
especially fory our vehicle byMercedes-Benz.
RVisual checkoft he tir etread dep thand the
tir ec ontact surf ace condition across the
entir ewidth.
354
Wheels and tires

The minimum tread depthfors ummer tires is
â in (3 mm) and forw inter tires ãin
(4 mm).
Six mar ks1 showw herethe bar indicators
(ar row )are integrated int othe tir etread. They
ar ev isible onceat read dep thof appr oximately
á in (1.6 mm) has been reached.
Note sons nowc hains
&
WARNING Risk of accident duetoi ncor‐
re ct mounting of sno wchains
If yo uh ave mounted sno wchains tothef ront
wheels, thes nowc hains ma ydraga gainst
th ev ehicle body or chassis components.
This coul dcaus edamag etothevehicle or
th et ires.
#Ne verm ount sno wchains on thef ront
wheels.
#Onl ym ount sno wchains on ther ear
wheel sinpairs.
*NO
TEDama getothew heel trim from
mounted sno wchains
If sno wchains ar emoun tedtos teel wheels,
th ew heel trims can be damaged.
#Remo vethew heel trims of steel wheels
befor emounting sno wchains.
RSno wchains ar eonly pe rmissible forc ertain
wheel/tir ecombinations .You can obtain information abou
tthis from an authorized
Mercedes-Benz Center.
RFo rs afet yr easons, onl yuse snow ch ainsthat
ha ve been specifically appr oved fory our
ve hicle byMercedes-Benz, or sno wchains
wit hthe same qualitys tandard.
RIf snow ch ains aremoun ted, them aximum
permissible speed is 30 mph(50 km/h).
RVe hicles with Activ eP arking Assis t:Do
no tu se ActiveP arking Assis twhen snow
ch ains ar emoun ted.
RVe hicles with AI RBODYC ONT ROL:Only
driv eatr aised vehicle le velw hen snow
ch ains ar emoun ted.
% Youc an deactivat eESP
®topull away
(→pag e159). This allo wsthew heels to
spin, achieving an increased driving forc e.
Wheels and tires 355

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