2018 MERCEDES-BENZ E-CLASS CABRIOLET overheating
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0071WARNING Risk of accident due tothe
brake sy stem overheating
If yo u lea veyour foot on the brake pedal
when driving, the brake sy stem may over‐
heat.
This increases the braking dis tance and the
brake sy stem may evenfa il.
00BBNe ver use the brake pedal as a foot re st.
00BBDo not depress the brake pedal and the
accelerator pedal at the same time
while driving.
0075 NO
TEWearing out the brake linings by
continuously dep ressing the brake pedal
00BBDo not depress the brake pedal contin‐
uously whilst driving.
00BBTo use the braking ef fect of the engine,
shift toa lo werge ar in good time.
0075 NO
TEDama getothe driv etra in and the
engine when pulling away
00BBDo not warm upthe engine when the
ve hicle is stationar y.Pull away immedi‐
atel y.
00BBAvoid high engine speeds and driving at
full thro ttle until the engine has reached
operating temp erature.
00BBDo not allow the wheels tospin.
0075 NO
TEDama getothe catalytic con verter
due tonon-combu sted fuel
The engine is not running smoot hly and is
misfiring.
Non-combus ted fuel may get into the cata‐
lytic con verter.
00BBOnly depress the accelera tor pedal
slightl y.
00BBHave the cause rectified immediately at
a qu alified specialist workshop.
Limited braking ef fect on salt-treate dro ads:
Rdue tosalt build-up on the brake discs and
brake lining, the braking dis tance can
increase conside rably or result in braking
only on one side.
Rmaintain a much greater safe dis tance tothe
ve hicle in front.
To preve nt salt build-up:
Rbrake occasionally while paying attention to
th e tra ffic conditions.
Rcarefully depress the brake pedal at the end
of the journey and when starting the next
journe y.
ECOstart/s top function
Opera ting the ECO start/s top function
The engine is au tomatically switched off if the
fo llowing conditions are me t:
RYoubr ake theve hicle toast andstill in trans‐
mission position 005Bor005C.
RAll vehicle conditions for an au tomatic
engine stop are met.
13 6
Driving and pa rking
Page 337 of 498
0071WARNING Risk of injury and poisoning
from tire sealant
The tire sealant is harmful and causes ir rita ‐
tion. Do not allow it tocome into contact
wi th th e skin, eyes or clo thing, and do not
swallow it. Do not inhale tire sealant fumes.
Ke ep the tire sealant away from children.
If yo u come into contact withth e tire sealant,
obser vethefo llowing:
00BBRinse off the tire sealant from your skin
immediately using water.
00BBIf tire sealant gets into your eyes, thor‐
oughly rinse out theey es using clean
wate r.
00BBIf tire sealant has been swallowe d,
immediately rinse out the mouth thor‐
oughly and drink plenty of water.Do not
induce vomiting and seek medical
attention immediately.
00BBChange out of any clo thes conta mina‐
te d with tire sealant immediatel y.
00BBIf allergicreactions occur, seek medical
attention immediatel y.
0075NO
TEOverheating due tothe tire infla‐
tion compressor running too long
00BBDo not runth e tire inflation compressor
fo r longer than ten minu tes without
inter ruption.
Comply with the manufacturer's saf etyno tes on
th est icke r on the tire inflation compressor.
Ha ve the tire sealant bottle replaced in a quali‐
fi ed specialist workshop every five years.
00BBDo not remo veany fore ign objects which
ha ve entered the tire.
00BBAf fix pa rt1 ofthe TIREFIT sticke rto the
instrument clus ter within the driver's field of
vision.
00BBAf fix pa rt2 ofthe TIREFIT sticke r near the
va lve on the wheel with the defective tire.
00BBPull plug 4with the cable and hose 5out
of the tire inflation compressor housing.
Breakdown assis tance 335
Page 356 of 498
Tire pressure
Note s on tire pressure
0071
WARNING Risk of accident due toinsuf‐
fi cient or excessive tire pressure
Underinfla ted or overinfla ted tires pose the
fo llowing risks:
RThe tires may bur st, especially as the
load and vehicle speed increase.
RThe tires may wearexc essively and/or
une venly, which may greatlyimpair tire
traction.
RThe driving characteristics, as well as
st eering and braking, may be greatly
impaired.
00BBComply with there commended tire
pressure and check the tire pressure of
all tires including the spare wheel regu‐
larly:
Rat least once a month
Rwhen the load changes
Rbefore embarking on a longe r journey
Rif operating conditionschange, e.g. off-
ro ad driving
00BBAd just the tire pressure as necessar y.
Driving withtire pressure that is too high or too
low can:
RSho rten the service life of the tires.
RCause increased tire damage.
RAd versely af fect driving characteristics and
th us dr iving saf ety, e.g. due toaquaplaning.
0071
WARNING Risk of an accident due to
insuf ficient tire pressure
Ti re s with pressure that is too low can over‐
heat and bur stas a result.
In addition, they also suf fer from excessive
and/or ir regular wear, which can significantly
impair the braking properties and the han‐
dling characteristics.
00BBAv oid excessively low tire pressures in
all the tires, including the spare wheel.
Tire pressure which is too low can cause:
RTire defects as a result of overheating
RImpaired handling characteristics
RIrre gular wear
RIncreased fuel consum ption
0071
WARNING Risk of accident from exces‐
sive tire pressure
Ti re s with excessively high pressure can
bur stbecause they are damaged more easily
by highw ayfill, pot holes etc.
In addition, they also suf fer from ir regular
we ar, which can significantly impair the brak‐
ing properties and the handling characteris‐
tics.
00BBAv oid excessively high tire pressures in
all the tires, including the spare wheel.
Excessively high tire pressure can result in:
RIncreased braking dis tance
RImpaired handling characteristics
RIrre gular wear
354
Wheels and tires
Page 393 of 498
Coolant
Notes on coolant
Obser vethe no tes on operating fluids
(
→page 387).
0071 WARNING ‑ Risk of fire and injury from
antifreeze
If antifreeze comes into con tact wi thhot
component parts in the engine compart‐
ment, it may ignite.
00BBAllow the engine tocool down before
adding antifreeze.
00BBMake surethat no antifreeze spills out
next tothefiller opening.
00BBThoroughly clean off any antifreeze
from component parts before starting
th eve hicle.
0075 NO
TEDama gecaused byincor rect cool‐
ant
00BBOnly add coolant that has been pre‐
mixed with therequ ired antifreeze pro‐
te ction.
Fu rther information on coolant:
RIn the Mercedes-Benz Specifications for
Operating Fluids 310.1, e.g. online at
http://be vo.mercedes-benz.com.
RAt aqu alified specialist workshop.
0075 NO
TEOverheating at high outside tem‐
peratures
If an inappro priate coolant is used, the
engine cooling sy stem is not suf ficiently pro‐
te cted against overheating and cor rosion at
high outside temp eratures.
00BBAlw ays use coolant appr ovedby
Mercedes-Benz.
00BBObser vethe instructions in the
Mercedes-Benz Specifications for Oper‐
ating Fluids 310.1.
Ha ve the coolant regularly replaced at a qualified
specialist workshop.
The proportion of cor rosion inhibitor/antifreeze
concentrate in the engine cooling sy stem should
be:
Ra minimum of 50% (antifreeze pr otection
down toappr oximately -35 °F (-37 °C)).
Ra maximum of 55% (antifreeze pr otection
down to-49 °F (-45 °C)).
Coolant filling capacity
Capacity
Model Capacity
All models 12.7 US qt (12.0 l)
Note s on windshield washer fluid
Obser vethe no tes on operating fluids
(→page 387).
Te ch nical da ta391
Page 431 of 498
Displaymessages
Possible causes/consequences and 0050Solutions
0077
: K H H O 6 H Q V R U V 0 L V V L Q J*T
here is no signal from the tire pressure sensor of one or more tires. The pressure of the af fected tire is not dis‐
play ed.
00BBHave the defective tire pressure sensor replaced at a qualified specialist workshop.
7 L U H 3 U H V V X U H 0 R Q L W R U , Q R S
H U D W L Y H 1 R : K H H O 6 H Q V R U V *T
he wheels ins talled do not ha vesuitable tire pressure sensors. The tire pressure monitoring sy stem is deactivated.
00BBIns tall wheels with suitable tire pressure sensors.
7 L U H 3 U H V V 0 R Q L W R U , Q R S H U D
W L Y H *T
he tire pressure monitoring sy stem is defective.
0071
WARNING Thereis arisk of an accident if the tire pressure monitoring sy stem is malfunctioning
If th e tire pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure loss
in one or more of the tires.
Und erinflated tires ma y,forex ample, impair the driving, steering and braking characteristics.
00BBHa ve the tire pressure monitoring sy stem checked at a qualified specialist workshop.
00BBVisit a qualified specialist workshop.
7 L U H V 2 Y H U K H D W H G *A
t least one tire is overheating. The af fected tires are displ ayed in red. At temp eratures close tothe limit value, the
tires are displa yed in yello w.
00BBDrive more slow ly.
Displ aymessage s andwarning/indicator lamps 429
Page 432 of 498
Displaymessages
Possible causes/consequences and 0050Solutions
7 L U H V 2 Y H U K H D W H G ' H F U H D V H
6 S H H G *A
t least one tire is overheating.
0071
WARNING Risk of an accident from driving wi thove rheated tires
Overheated tires may bur st, particularly at high speeds.
00BBRe duce speed so that the tires cool down.
00BBRe duce speed so that the tires cool down.
SmartK ey
Displaymessages
Possible causes/consequences and 0050Solutions
00AF
2 E W D L Q D 1 H Z . H \*T
he SmartK eyneeds tobe replaced.
00BBVisit a qualified specialist workshop.
00AF
5 H S O D F H . H \ % D W W H U \ *T
he SmartK eybattery is dischar ged.
00BBRe place the batter y.
430
Display messages and warning/indicator lamps
Page 436 of 498
Displaymessages
Possible causes/consequences and 0050Solutions
7 U D Q V P L V V L R Q 0 D O I X Q F W L R Q
6 W R S *
The transmission is malfunctioning. The transmission shifts toposition 005Cautomaticall y.
00BBPullover and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
00BBSwitch the transmission toposition 005D.
00BBConsult a qualified specialist workshop.
5 H Y H U V L Q J 1 R W 3 R V V L E O H
6 H U Y L F H 5 H T X L U H G *T
he transmission is malfunctioning. Reversege ar can no longe r be engaged.
00BBVisit a qualified specialist workshop.
6 W R S 9 H K L F O H / H D Y H ( Q J L Q H
5 X Q Q L Q J : D L W 7 U D Q V P L V V L R Q
& R R O L Q J *T
he transmission is overheating. Pulling away may be temp orarily impaired or not possible.
00BBPull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances.
00BBLea vethe engine running.
00BBWa it until the display message disappears before pulling away.
$ X [ L O L D U \ % D W W H U \ 0 D O I X Q F
W L R Q *T
he auxiliary batteryforth e transmission is no longer being charge d.
00BBVisit a qualified specialist workshop.
00BBUn tilthen, alw ays manually set the transmission toposition 005Dbefore youswit choff the engine.
00BBBefore leaving theve hicle, apply the electric parking brake.
$ L U & R Q G L W L R Q L Q J 0 D O I X Q F
W L R Q 6 H H 2 S H U D W R U
V 0 D Q X D O *O
peration of the climate control sy stem is temp orarily restricted. Air flow and fresh air supply are set toautomatic
mode.
00BBHa ve the climate control sy stem checked at a qualified specialist workshop.
434
Display messages and warning/indicator lamps