engine overheat MERCEDES-BENZ E-Class SEDAN 2017 W213 Owner's Manual

&WARNING Risk of accident duetoa n
ove rheated brak esystem
If yo ur esty our foot on theb rake pedal whilst
driving, theb rake system ma yoverheat.
This increases theb raking dis tance and the
brak esystemm ayfail.
#Ne veru se theb rake pedal as afootrest.
* NO
TEWearing out theb rake linings by
continuously dep ressing theb rake pedal
#Do no tdepress theb rake pedal contin‐
uousl ywhils tdriving.
#To use theb raking ef fect of thee ngine,
shif ttoa lowe rgear in good time.
* NO
TEDama getothed rive trai nand the
engine when pulling away
#Do no twarmupt he engine when the
ve hicle is stationar y.Pull away immedi‐
atel y.
#Avoid high engine speeds and driving at
full thro ttle unti lthe engine has reached
operatingt emperature.
#Do notallowt he wheels tospin.
* NO
TEDama getothec atalytic con verter
due tonon-combu sted fuel
The engine is no trunn ings moot hly and is
misfiring.
Non-combus tedf uel ma ygetintot he cata‐
lytic con verter.
#Onl ydepress thea ccelera torp edal
slightl y.
#Have thec ause rectifie dimmediately at
aq ualified specialis tworks hop.
Limited braking ef fect on salt-treate droads:
Rtheb raking dis tance can increase conside ra‐
bl yd ue tosalt build-up on theb rake disks
and brak elining.
Rmaintain amuchg reater dis tance tothev ehi‐
cle in front. To
preve nt salt build-up:
Rbrak eoccasionally whil epayinga ttention to
th et raffic conditions.
Rcarefull ydepress theb rake pedal at thee nd
of thej ourne yand when startin gthe next
journe y.
ECOstart/s topf unction
Opera tionoft he EC Ostart/ stopfunction
The engine is switched of fautom atical ly:
RIf yo ub rake thev ehicle toas tandstil lin
transmissionp ositionhori.
RIf all vehicle conditions forana utomatic
engine stop ar emet.
The è symbol appear sinthe multifunction
displa ywhen thev ehicle is stationar y.
If th ee ngine is switched of fbythe EC Ostart/
st op function and youo pen thed rive r's door ,a
wa rning tone sounds. The Driver'sDoor Ope n&
Transmission Not in PRiskofV ehicleRolling
Away displaymessage also appear sinthe multi‐
function displa y.
132
Driving and pa rking

*NO
TEEngine damage duetoexcessively
hig he ngine speeds
The engine will be damaged if youd rive wit h
th ee ngine in theo verrev ving range.
#Do no tdrive with th eengine in theo ver‐
re vving range.
The fue lsuppl yisi nterrupted toprotect the
engine when ther ed band in tach ome ter3
(o ve rrev ving range) is reached.
During no rmal operatin gconditions, coolant
te mp eratur edisplay 4mayrise to248° F
(120 °C).
& WARNING Danger of burn swhen open‐
ing thee ngine hood
If yo uo pen thee ngine hood when thee ngine
has overheated or during afireint he engine
compartment, youc ouldcome int ocontact
wit hh otgases or other escaping operating
fl uids.
#Befor eopening thee ngine hood, allow
th ee ngine tocool down.
#Inthee vent of afireint he engine com‐
partment, keep thee ngine hood closed
and call thef ires ervice.
Overvie wofthe buttons on thes teering
wheel
1But tong roup :
% Main menu and ba ckbutton (on-board
computer)
8 Switches sound off/on
W Increases thev olume
X Decreases thev olume
2Touc hC ontrol (on-boar dcompu ter)
3To uc hC ontrol (multimedia sy stem)
4Button group:
% Main menu and bac kbutton (multime‐
dia sy stem)
ó LINGU ATRO NIC or Voice Cont rolS ys‐
te m
6 Makes/accepts acall
~ Rejects/end sacall
Operatin gthe on-boar dcom puter
&
WARNING Risk of dist raction from infor‐
mation sy stems and communications
equipment
If yo uo perat einformation and communica‐
tions equipment integ ratedint hevehicle
when driving, youw ill be distracted from the
traf fics ituation. Thi scould also cause yout o
lose control of thev ehicle.
#Onl yoperat ethis equipment when the
traf fics ituation permits.
Instrument Displa yand on-board compute r19
5

&WARNING Risk of accident and injury
when opening and closing thee ngine
hood
When opening or closing thee ngine hood, it
ma ysuddenl ydropi ntot he end position.
Ther eisar isk of inju ryfora nyo ne in the
engine hood's rang eofm ovement.
#Onlyopen or close thee ngine hood
when ther ea reno persons in the
engine hood's rang eofm ovement.
&
WARNING Danger of burn swhen open‐
ing thee ngine hood
If yo uo pen thee ngine hood when thee ngine
has overheated or during afireint he engine
compartment, youc ouldcome int ocontact
wit hh otgases or other escaping operating
fl uids.
#Befor eopening thee ngine hood, allow
th ee ngine tocool down.
#Inthee vent of afireint he engine com‐
partment, keep thee ngine hood closed
and call thef ires ervice.
&
WARNING Risk of injury duetomoving
parts
Cer tain component sinthe engine compart‐
ment ma ycontinue tomo veor suddenly
mo veagain evenafter thei gnition has been
switched off, e.g. thec ooler fan.
Make sureoft hefollowing befor eperform ing
ta sk sint he engine compartment:
#Switc hthe ignition off.
#Ne vertouc hthe danger zone sur round‐
ing movin gcomponent pa rts, e.g. the
ro tatio na reaoft hefan.
#Re mo vejewe lrya nd 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 thef uel injection
sy stem workunder high voltage. If yout ouch
component parts whic hareunder voltage,
yo uc ouldreceive an electric shoc k.
#Nevertouc hcomponent pa rtso fthe
ignition sy stem or thef uel injection sys‐
te mw hen thei gnition is switched on.
&
WARNING Risk of burn sfromh otcom‐
ponent parts in thee ngine compartment
Cer tain component parts in thee ngine com‐
partmen tcan be very hot, e.g. thee ngine,
th ec ooler and parts of thee xhaust system.
#Le tthe engine cool down and only
to uc ht he component parts described
as follo ws .
Maintenance and care 27
9

&WARNING ‑Riskoff irea nd injur yfrom
antifreeze
If antifreezec omes intocontact wi thhot
component parts in thee ngine compart‐
ment ,itmayignite.
#Allo wthe engine tocool down before
adding antifreeze.
#Make surethat no antifreeze spills out
next tothef iller opening.
#Thoroughl yclean of fany antifreeze
from component parts befor estarti ng
th ev ehicle.
* NO
TEDama gecaused byincor rect cool‐
ant
#Onl yadd coolant that has been pre‐
mixed wit hthe requ ired antifreeze pro‐
te ction.
Fu rther information on coolant
RIn theM ercedes-Benz Specification sfor
Operating Fluids 310.1, e.g. online at
http://be vo.mercedes-benz.com
RAt aq ualified specialis tworks hop
* NO
TEOverheating at high outsid etem‐
peratures
If an inappropriat ecoolant is used, the
engine cooling sy stem is no tsufficientl ypro‐
te cted agains toverheating and cor rosion at
high outside temp eratures.
#Alw aysu se an appropriat ecoolant.
Have thec oolant regularly changed at aqualified
specialis tworks hop.
The proportion of cor rosion inhibitor/antifreeze
concentrat einthe engine cooling sy stem should
be:
RAm inimum of 50% (antifreeze pr otection
down toappr oximatel y-35 °F (-3 7°C))
RAm aximum of 55% (antifreeze pr otection
down to-49 °F (-45 °C))
Fi lling capacities
Model Filling capacity
All models 12.7 US qt (12.0 l)
Note sonw indshield washer fluid
Obser vethen otes on operating fluids
(→pag e344).
&
WARNING ‑Riskoff irea nd injur yfrom
windshield washer concentrate
Wi ndshield washer concentrat eishighly
fl ammable. It coul dignit eifitc omes into
con tact wi thhote ngine component parts or
th ee xhaust system.
#Mak esuret hat no windshield washer
concentrat espills out next tothef iller
opening.
34 8
Tech nica ldata

Engine
Displaymessages
Possible causes/consequences and MSolutions
Check Coolant Level See
Operator' sManual *T
he coolant le velist oo lo w.
* NO
TEEngine damage duetoinsuf ficient coolant
#Av oid long journe yswit hinsuf ficient coolant.
#Ad dc oolant .
?
Coolant Too Hot Stop Vehi-
cle Turn Engine Off *T
he coolant is tooh ot.
#Pull overand stop thev ehicle safely and switc hoffthee ngine, paying attention toroad and traf ficc onditions.
&
WARNING Danger of burn swhen opening thee ngine hood
If yo uo pen thee ngine hood when thee ngine has overheated or during afireint he engine compartment, you
could come int ocontact wi thhotg ases or other escaping operating fluids.
#Befor eopening thee ngine hood, allo wthe engine tocool down.
#Inthee vent of afireint he engine compartment, keep thee ngine hood closed and call thef ires ervice.
#Wa it until thee ngine has cooled down.
#Mak esuret hat thea ir supply tother adiator is no tobstructed.
#Avoiding high loads on thee ngine, driv eontothe neares tqualified specialis tworks hop. When doing so, ensure
th at thec oolant temp eratur edispla yremain sbelo w2 48 °F (120 °C).
378
Displ aymessage sand warning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
Stop Vehicle Leave Engine
Running Wait Transmission
Cooling *T
he transmission has overheated. Pulling away can be temp orarily impaired or no tpossible.
#Pull overand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions .Donot
continu edriving under an ycircums tances.
#St artt he engine.
#Wa it until thed ispla ymessag edisappear sbefor epulling away.
Auxiliar yBattery Malfunc-
tion *T
he auxiliary batteryfor thet ransmission is no longer being charge d.
#Consult aqualified specialis tworks hop.
#Un tilthen, manuall ysetthet ransmission toposition jbefor eyou switc hoffthee ngine.
#Befor eleaving thev ehicle, apply thee lectric parking brake.
Ð
Steering Malfunction Drive
Carefully Service Required *T
he po werassi stanc eoft hesteering is malfunctioning. Youm ayneed touse mor eforce tosteer.
#Driv eonc arefull y.
#Consult aqualified specialis tworks hop.
Displa ymessages and warning/indicator lamps 389

Warning/indicator lamp
Possible causes/consequences and MSolutions
?
Coolantwarning lamp The
redc oolant warning lam pislit while thee ngine is running.
Po ssible causes are:RThe temp eratur esensor is malfunctioning
RThe coolant le velist oo low
RThe air supply tother adiator is obstructed
RThe radiator fani sfaulty
If th er eisana dditional warning tone, thec oolant temp eratur ehasexc eeded 248°F( 120° C).
&
WARNING Danger of burn swhen opening thee ngine hood
If yo uo pen thee ngine hood when thee ngine has overheated or during afireint he engine compartment, youc ould
come int ocontact wit hh otgases or other escaping operating fluids.
#Befor eopening thee ngine hood, allo wthe engine tocool down.
#Inthee vent of afireint he engine compartment, keep thee ngine hood closed and call thef ires ervice.
#Pull overand stop thev ehicle safely and switc hoffthee ngine, paying attention toroad and traf ficc onditions .Do
no tc ontinu edriving under an ycircums tances.
#Obser vethem essages in them ultifunction displa y.
If th ec oolant temp eratur edispla yisatt he lowerend of thet emperatur escale:
#Consult aqualified specialis tworks hop.
408
Displa ymessages and warning/indicator lamps