2015 MERCEDES-BENZ E-CLASS SALOON Owners Manual

Display messages
Possible causes/consequences and
M
MSolutions Vehicles wit
htrailer to whitch :af usem ay hav eblown.
X Pull ove rand stop th evehicl esafely as soo naspossible, paying
attention to roa dand traffic conditions.
X Safeguar dthe vehicl eagainst rollin gaway (Y page 205).
X Chec kthe fuses (Y page 411).
X If necessary, replac ethe blown fuse. Observ ethe warnin gnotes
as you do so.
If th edisplay message continues to be displayed:
X Consult aqualified specialist workshop. b
AUTO AUTO
lights
lights inoper‐
inoper‐
ative
ative The ligh
tsensor is faulty.
X Consult aqualified specialist workshop. b
Switch off lights Switch off lights The lights are still switched on when you leav
ethe vehicle. A
warnin gtonea lso sounds.
X Tur nthe ligh tswitch to Ã. Adaptive Highbeam
Adaptive Highbeam
Assist Plu
scur‐
Assist Plu scur‐
rently rently unavailable
unavailable
See Owner' sManual
See Owner' sManual Adaptive Highbeam Assis
tPlus is deactivated and temporarily
inoperative. Possibl ecauses:
R thew indscree nisdirty in th ecamera' sfield of vision
R visibility is impaire ddue to heav yrain ,sno worf og
X Clean th ewindscreen.
If th esystem detects that th ecamera is full yoperational again ,the
Adaptive
Adaptive Highbeam
HighbeamAssist
Assist Plus
Plusavailable
available again
againmessage
is displayed.
Adaptive Highbeam Assis tPlus is operational again. Adaptive Highbeam Adaptive Highbeam
Assist Assist
Plus
Plusinoper‐
inoper‐
ative
ative Adaptive Highbeam Assis
tPlus is faulty.
X Consult aqualified specialist workshop. 310
Display
messagesOn-boardcomputer an ddisplays

Engine
Display messages
Possible causes/consequences and
M
MSolutions +
Top Top
up
upcoolant
coolant See
See
Owner' sManual
Owner' sManual The coolant leve
listoolow.
! Avoid making lon
gjou rneys with to olittle coolant in th eengine
cooling system. The engin ewill otherwise be damaged.
X Top up th ecoolant ,observing th ewarning note sbefore doin gso
( Y page 382).
X If th ecoolant needs toppin gupmoreo ften than usual, have the
engin ecoolant system checked at aqualifie dspecialist work-
shop. ? The fan motor is faulty.
X If th ecoolant temperatur eisbelow 12 0†,you can continue
driving to th eneares tqualifie dspecialist workshop.
X Avoid putting th eengineu nde rheav yload as you do so, e.g.
driving in mountainous terrain and stop-start traffic. ?
Coolan
tStopv ehi‐
Coolan tStopv ehi‐
cle Switch engine cle Switch engine
off off The coolant is to
ohot.
Aw arning tone also sounds.
G WARNING
Never driv ewith an overheate dengine. Drivin gwhen your engine
is overheate dcan caus esom efluids whic hmay have leaked into
th ee nginec ompartmen ttocatch fire.
In addition ,steam from an overheate denginec an caus eserious
burns, whic hcan occur jus tbyopening th ebonnet.
Ther eisar isk of injury.
X Stop th evehicle immediately, paying attentio ntoroad and traf-
fic conditions, and switch off th eengine.
X Safeguard th evehicle against rolling away (Y page 205).
X Wait until th eengineh as cooled down.
X Mak esure that th eair supply to th eenginer adiator is not
blocked, e.g .byfrozenslush.
X Do no tstart th eenginea gain until th edisplay message goes out
and th ecoolant temperatur eisbelow 12 0†.The engin emay
otherwise be damaged.
X Pay attentio ntothecoolant temperatur edisplay.
X If th etem peratur eincreases again ,consult aqualifie dspecialist
workshop immediately.
Under normal operatin gcondition sand with th especified coolant
level, th ecoolant temperatur emay rise to 12 0†. Displa
ymessages
311On-boardcomputer and displays Z

Display messages
Possible causes/consequences and
M
MSolutions #
See Owner'
sManual
See Owner' sManual The battery is no
tbein gcharged.
Aw arnin gtonea lso sounds.
Possibl ecauses:
R fault yalternator
R torn poly-V-belt
R am alfunction in th eelectronics
! Do no
tcontinu edriving. The engin ecould otherwise overheat.
X Stop th evehicl eimmediately, payin gattention to roa dand traf-
fic conditions, and switch of fthe engine.
X Safeguar dthe vehicl eagainst rollin gaway (Y page 205).
X Consult aqualified specialist workshop. #
Sto
pv ehicl eSee
Sto pv ehicl eSee
Owner' sManual
Owner' sManual The battery is no longer bein
gcharged and th ebattery charg elevel
is to olow.
Aw arnin gtonea lso sounds.
X Stop th evehicl eimmediately, payin gattention to roa dand traf-
fic conditions, and switch of fthe engine.
X Safeguar dthe vehicl eagainst rollin gaway (Y page 205).
X Observ ethe instruction sinthe# See Owner' sManual
See Owner' sManual
display message.
X Consult aqualified specialist workshop. #
Start engine See Start engine See
Owner'
sManual
Owner' sManual The engin
eisswitched of fand th ebattery charg elevel is to olow.
X Switc hoffelectrica lconsu mersthaty ou do no tneed, suc has
th er ear window heatin gand interio rlighting.
X Leav ethe engin erunning fo rafew minutes, or drive fo ralonger
distance.
The battery charges. 312
Display
messagesOn-boardcomputer an ddisplays

Display messages
Possible causes/consequences and
M
MSolutions 4
Check eng
.oil
Check eng .oil
lev .w henn ext
lev .w henn ext
refuelling refuelling The engin
eoil level has dropped to th eminimum level.
Aw arnin gtonea lso sounds.
! Avoid lon
gjou rneys when there is to olittl ec oolan tint hecool-
in gs ystem. Otherwise th eenginew ill be damaged.
X Chec kthe oil level when next refuelling, at th elatest
(Y page 381).
X If necessary, to puptheengin eoil (Y page 381).
X Hav ethe engin echecked ataq ualified specialist workshop if the
engin eoil needs toppin gupmoreo ften than usual.
Information on approve dengineo ils can be obtained from any
qualified specialist workshop or on th eInterne tathttp://
bevo.mercedes-benz.co m.4
Add 1 Add 1
litre
litre engine
engine
oil
oil when
when next
next refu‐
refu‐
elling
elling AMG vehicles: the engine oil level is too low.
!
Avoid long journeys when there is too little coolant in the cool-
ing system. Otherwise the engine will be damaged.
X Check the oil level when next refuelling, at the latest
(Y page 381).
X If necessary, top up the engine oil (Y page 381).
X Have the engine checked at aqualified specialist workshop if the
engine oil needs topping up more often than usual.
Information on approved engine oils can be obtained from any
qualified specialist workshop or on the Internet at http://
bevo.mercedes-benz.com. 4
Engine oil level Engine oil level
Stop vehicle Stop vehicle
Switch engine off Switch engine off The engine oil level is too low. There is
arisk of engine damage.
X Stop the vehicle immediately, paying attention to road and traf-
fic conditions, and switch off the engine.
X Safeguard the vehicle against rolling away( Ypage 205).
X Check the engine oil level (Y page 381).
X If necessary, top up the engine oil (Y page 381).8
Reserve fuel level Reserve fuel level The fuel level has dropped into the reserve range.
Operation of the auxiliary heating is deactivated if the fuel level
drops into the reserve range.
X Refuelatt he nearest filling station. C There is very little fuel in the fuel tank.
The auxiliary heating cannot be operated.
X Refuelatt he nearest filling station without fail. Display messages
313On-board computer and displays Z

Display messages
Possible causes/consequences and
M
MSolutions ¸
Please Please
replace
replace air
air
filter
filter Vehicles wit
hadiesel engine: th eenginea ir filte risdirty and must
be replaced.
X Consult aqualified specialist workshop. !
Clean Clean
the
thefuel
fuel fil‐
fil‐
ter
ter Vehicles wit
hadiesel engine: there is water in th efuel filter. The
water mus tbedrainedoff.
X Consult aqualified specialist workshop. ¯
Refill AdBlue at Refill AdBlue at
workshop See Own‐ workshop See Own‐
er'
sM anual
er' sM anual The AdBlue
®
level has fallen belo wthe reserv erange. Awarning
tone also sounds.
X Hav eAdBlue ®
refilled as soo naspossibleataq ualified spe-
cialist workshop. ¯
Refill AdBlue at Refill AdBlue at
workshop No start workshop No start
in .. km in .. km The AdBlue
®
level is only sufficien tfor thei nd icate ddistance. A
warnin gtonea lso sounds.
X Hav eAdBlue ®
refilled as soo naspossibleataq ualified spe-
cialist workshop. ¯
Refill AdBlue at Refill AdBlue at
workshop Eng. workshop Eng.
start not possible start not possible The AdBlue
®
tan kise mpty. Awarnin gtonea lso sounds. You can
no longer start th eengine.
X Consult aqualified specialist workshop immediately. ¯
Check AdBlue See Check AdBlue See
Owner'
sManual
Owner' sManual The AdBlue
®
system is malfunctioning. Awarnin gtonea lso
sounds.
X Consult aqualified specialist workshop. ¯
Eng. Eng.
start
start not
notpos‐
pos‐
sible in ..km
sible in ..km The AdBlue
®
system is malfunctioning. Awarnin gtonea lso
sounds.
X Consult aqualified specialist workshop immediately. ¯
Eng. Eng.
start
start not
notpos‐
pos‐
sible
sible The AdBlue
®
system is malfunctioning. Awarnin gtonea lso
sounds. You can no longer start th eengine.
X Consult aqualified specialist workshop immediately. 314
Display
messagesOn-boardcomputer an ddisplays

Drivin
gsystems Display messages
Possible causes/consequences and
M
MSolutions À
Attention Assist: Attention Assist:
Tak
eab reak!
Tak eab reak! Based on certain criteria, ATTENTION ASSIST has detecte
dfatigue
or alac kofc oncentrat ion on thepartoft hedriver .Awarnin gtone
also sounds.
X If necessary, take abreak.
Durin glon gjou rneys, take regular break singoodt imesot hatyou
get enough rest. À
Attention Assist Attention Assist
inoperative inoperative ATTENTION ASSIST is inoperative.
X Consult aqualified specialist workshop. ¨or
°
Vehicl erising
Vehicl erising Your vehicle is adjustin
gtothelevel you hav eselected. ¨or
°
Vehicl erising
Vehicl erising
Please wait
Please wait The vehicle level is to
olow when th evehicle is stationary. Awarn-
in gt onea lso sounds.
X Do no tpull away.
The vehicle level is set when th edisplay message disappears. ¨or
°
Sto pv ehicl eVehi‐
Sto pv ehicl eVehi‐
cle too low
cle too low You hav
epulle daway whil ethe vehicle level is still to olow.
AIRMATIC set sthe vehicle to th eselecte dlevel after ashort
period.
X Pull over and stop th evehicle safely as soo naspossible, paying
attention to road and traffic conditions.
X Safeguar dthe vehicle against rollin gaway (Y page 205).
X Wait until th edisplay message disappears befor epulling away. AIRMATIC is faulty.
Awarnin gtonea lso sounds.
X Do no tdrive at speeds abov e80km/h.
X Mak eonlys light steerin gmovements .Otherwise ,the front
wings or th etyres could be damaged if th esteerin gmovement
is to ogreat.
X Liste nfor scrapin gsounds.
X Pull over and stop th evehicle safely, payin gattenti on to road
and traffic conditions, and set ahigher vehicle level.
Dependin gonthemalfunction ,itmay be possible to rais ethe
vehicle.
X Consult aqualified specialist workshop. Display
messages
315On-boardcomputer an ddisplays Z

Display messages
Possible causes/consequences and
M
MSolutions ¨or
°
Malfunction
Malfunction The AIRMATIC function is restricted. The vehicle's handlin
gchar-
acteristics may be affected.
X Do no tdrive at speeds abov e80km/h.
X Consult aqualified specialist workshop. Traffi
cSign
Traffi cSign
Assist currently
Assist currently
unavailable See unavailable See
Owner' sManual
Owner' sManual Traffic Sig
nAssistist emporarily inoperative.
Possibl ecauses:
R thew indscree nisdirty in th ecamera' sfield of vision
R visibility is impaire ddue to heav yrain ,sno worf og
X Clean th ewindscreen.
If th esystem detects that th ecamera is full yoperational, th edis-
play message disappears.
Traffic Sig nAssistiso perational again. Traffi
cSign
Traffi cSign
Assist inoperative Assist inoperative Traffic Sig
nAssistisf aulty.
X Consult aqualified specialist workshop. ë
off off The HOLD function is deactivated. The vehicl
eisskidding.
Aw arnin gtonea lso sounds.
X Reactivat ethe HOLD function later (Y page 228). The HOLD function is deactivated. Whe
nthe brak epedal is firmly
depressed, an activation condition is no tfulfilled.
Aw arnin gtonea lso sounds.
X Chec kthe activation condition sfor theH OLDf unction
(Y page 228). 316
Display
messagesOn-boardcomputer an ddisplays

Display messages
Possible causes/consequences and
M
MSolutions Lan
eK eeping
Lan eK eeping
Assist currently
Assist currently
unavailable See unavailable See
Owner' sMan‐
Owner' sMan‐
ual ual orAc tive Lane
Active Lane
Keeping
Keeping Assist
Assistcur‐
cur‐
rently
rently unavailable
unavailable
See Owner' sManual
See Owner' sManual Lan
eKeepin gAssistorA ctiveLaneK eepin gAssistisd eactivated
and temporarily inoperative. Possibl ecauses:
R thew indscree nisdirty in th ecamera' sfield of vision
R visibility is impaire ddue to heav yrain ,sno worf og
R there hav ebeen no lan emarking sfor an extended period
R thel an em arking sare worn, dark or covered, e.g. by dir torsnow
Once th ecauses listed abov enolonger apply, th edisplay message
goe sout.
Lan eKeepin gAssistorA ctiveLaneK eepin gAssistiso perational
again.
If th edisplay message does no tdisappear:
X Pull ove rand stop th evehicl esafely as soo naspossible, paying
attention to roa dand traffic conditions.
X Safeguar dthe vehicl eagainst rollin gaway (Y page 205).
X Clean th ewindscreen. Lan
eK eeping
Lan eK eeping
Assist inopera‐ Assist inopera‐
tive tiveor Active Lane
Active Lane
Keepin gAssist
Keepin gAssist
inoperative
inoperative Lan
eKeepin gAssistorA ctiveLaneK eepin gAssistisf aulty.
X Consult aqualified specialist workshop. Blind Spo
tAssist
Blind Spo tAssist
currently unavail‐
currently unavail‐
abl eS ee Owner's
abl eS ee Owner's
Manual Manual orActive
Active
Blind Spo tAssist
Blind Spo tAssist
currently unavail‐
currently unavail‐
abl eS ee Owner's
abl eS ee Owner's
Manual Manual Blind Spot Assis
torActiveBlind Spot Assis tistemporarily inop-
erative .Possibl ecauses:
R thef unction is impaire ddue to heav yrain or snow
R ther ada rsensor system is outside th eoperating temperature
range
R ther ada rsensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radi osta-
tion soro ther source sofelectromagnetic radiation
The yellow 9indicato rlamp salso ligh tupint heexterio rmir-
rors.
Once th ecauses listed abov enolonger apply, th edisplay message
goe sout.
Blind Spot Assis torActiveBlind Spot Assis tisoperational again.
If th edisplay message does no tdisappear:
X Pull ove rand stop th evehicl esafely as soo naspossible, paying
attention to roa dand traffic conditions.
X Safeguar dthe vehicl eagainst rollin gaway (Y page 205).
X Restart th eengine. Display
messages
317On-boardcomputer an ddisplays Z