2015 MERCEDES-BENZ E-CLASS SALOON warning

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

Tyres
Display messages
Possible causes/consequence
sand M
MSolutions Tyr
epressure
Tyr epressure
Check tyres
Check tyres The tyr
epressure loss warning system ha sdetecte das ignificant
loss in pressure.
Aw arnin gtone also sounds.
Possibl ecauses:
R yo uh avec hange dthe positions of the wheels and tyres or fitted
new wheels and tyres
R the tyr epressure in one or mor etyres is not correct
G WARNING
Underinflated tyres pose the following risks:
R the tyres ma yburst, especiall yasthe load and vehicl espeed
increase
R the tyres ma yweare xcessivel yand/or unevenly, which may
greatl yimpai rtyret raction
R the driving characteristics, as well as steering and braking ,may
be greatl yimpaired
There is ariskofana ccident.
X Stop the vehicl ewithou tmaking any sudden steering or braking
manoeuvres .Pay attentio ntothe traffi cconditions as yo udoso.
X Safeguard the vehicl etoprevent it fro mrolling away
(Y page 205).
X Check the tyres and ,ifnecessary ,follo wthe instructions for a
fla ttyre( Ypage 397).
X Check the tyr epressures and ,ifnecessary ,correct the tyre
pressure.
X Restart the tyr epressure loss warning system when the tyre
pressure is correct (Y page 422).Check tyr
epres‐
Check tyr epres‐
sures sures
the nrestar tRun
the nrestar tRun
Fla tIndicator
Fla tIndicator The tyr
epressure loss warning system generated adisplay mes-
sage and ha snot been restarted since.
X Set the correct tyr epressure in al lfou rtyres.
X Restart the tyr epressure loss warning system (Y page 422).Run Fla
tIndicator
Run Fla tIndicator
inoperative inoperative The tyr
epressure loss warning system is faulty.
X Visi taq ualified specialis tworkshop. 322
Displa
ymessagesOn-b oardcomputer an ddisplays

Display messages
Possible causes/consequences and
M
MSolutions Rectify
Rectify
tyr
ep ressure
tyr ep ressure The tyr
epressur eistoolow in at leas tone of th etyres, or th etyre
pressur edifference between th ewheels is to ogreat.
X Chec kthe tyrep ressures at th enexto pportunity (Y page 423).
X If necessary, correc tthe tyrep ressure.
X Restart th etyrep ressur emonitor (Y page 424). Check Check
tyre(s)
tyre(s) The tyr
epressur einoneor mor etyres has dropped significantly.
The whee lposition is displayed in th emultifunction display.
Aw arnin gtonea lso sounds.
G WARNING
Underinflated tyres pos ethe following risks:
R thet yres may burst, especially as th eload and vehicl espeed
increase
R thet yres may wear excessivel yand/o runevenly, whic hmay
greatl yimpair tyr etraction
R thed rivin gcharacteristics ,aswell as steerin gand braking, may
be greatl yimpaired
There is ariskofana ccident.
X Stop th evehicl ewithout makin gany sudden steerin gorbraking
manoeuvres .Pay attention to th etraffic condition sasyou do so.
X Safeguar dthe vehicl eagainst rollin gaway (Y page 205).
X Chec kthe tyres and ,ifneces sary, follow th einstructions fora
flat tyr e(Ypage 397).
X Chec kthe tyrep ressur e(Ypage 423).
X If necessary, correc tthe tyrep ressure. Warning
Warning
tyr
ed efect
tyr ed efect The tyr
epressur einoneor mor etyres has dropped suddenly. The
whee lposition is displayed in th emultifunction display.
G WARNING
If you drive wit haflat tyre, there is ariskoft hefollowing hazards:
R af lat tyr eaffects th eabilit ytos teer or brak ethe vehicle
R you could los econtro lofthevehicle
R continued drivin gwithaf lat tyr ewill caus eexces sive heat build-
up and possibl yafire
There is ariskofana ccident.
X Stop th evehicl ewithout makin gany sudden steerin gorbraking
manoeuvres .Pay attention to th etraffic condition sasyou do so.
X Safeguar dthe vehicl eagainst rollin gaway (Y page 205).
X Chec kthe tyres and ,ifneces sary, follow th einstructions fora
flat tyr e(Ypage 397). Display
messages
323On-boardcomputer an ddisplays Z

Display messages
Possible causes/consequences and
M
MSolutions Ris
kofv ehicle
Ris kofv ehicle
rolling
rolling
Transmission not Transmission not
in P in P The driver's doo
risopen or no tfull yc losed and th eselector lever
is in position R,Nor D.
Aw arnin gtonea lso sounds.
G WARNING
The vehicl emay rol laway.
There is ariskofana ccident.
X Shift th eselector lever to position P.
X Safeguar dthe vehicl eagainst rollin gaway (Y page 205).
X Clos ethe driver's doo rfully. Withou
tchanging
Withou tchanging
gear,
gear,
consul tworkshop
consul tworkshop You canno
tcha ng ethe transmissio nposition due to amalfunction.
Aw arnin gtonea lso sounds.
If transmissio nposition Dis selected:
X Drive to aqualified specialist workshop without shiftin gthe
transmissio nfromp osition D.
If transmissio nposition R,Nor Pis selected:
X Safeguar dthe vehicl eagainst rollin gaway (Y page 205).
X Consult aqualified specialist workshop. Onl
ys elect Park
Onl ys elect Park
(P) (P)
whe nv ehicl eis
whe nv ehicl eis
stationary stationary The vehicl
eismoving.
X Pull ove rand stop th evehicl esafely as soo naspossible, paying
attention to roa dand traffic conditions.
X Shift th eselector lever to position P.Transmission Mal‐
Transmission Mal‐
function Stop function Stop Am
alfunction has occurred in th emechanica ltra nsmissio ncom-
ponents.
Aw arnin gton ea lso sounds. The transmissio nshift sautomatically
to position N.
X Pull ove rand stop th evehicl esafely as soo naspossible, paying
attention to roa dand traffic conditions.
X Shift th eselector lever to position P.
X Safeguar dthe vehicl eagainst rollin gaway (Y page 205).
X Consult aqualified specialist workshop. Auxiliary battery Auxiliary battery
malfunction malfunction The auxiliar
ybattery fo rthe transmissio nisnolonger being
charged.
X Consult aqualified specialist workshop at th enexto pportunity.
X Unti lthen, set th eselector lever to position Pbefore you switch
of ft he engine.
X Before leavin gthe vehicle, apply th eparkin gbrake. Display
messages
325On-boardcomputer an ddisplays Z

Display messages
Possible causes/consequences and
M
MSolutions N Saloon
:the boo tlid is open.
X Clos ethe boo tlid. A Estate: th
etailgat eisopen.
G WARNING
Whe nthe engin eisrunning ,exhaus tgase scan ente rthe vehicle
interio rifthetailgat eisopen.
There is ariskofp oisoning.
X Clos ethe tailgate. Mor
? The bonne
tisopen.Aw arnin gtonea lso sounds.
G WARNING
The open bonne tmay then bloc kyour vie wwhen th evehicl eisin
motion.
There is ariskofana ccident.
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 Clos ethe bonnet. Active bonnet mal‐ Active bonnet mal‐
function See Own‐ function See Own‐
er'
sM anual
er' sM anual The active bonne
t(pedestrian protection )isnotactive due to a
malfunction or because it has already been triggered.
X Consult aqualified specialist workshop. C At leas
tone doo riso pen.Aw arnin gtonea lso sounds.
X Clos eall doors. _
Rea
rl efts eat
Rea rl efts eat
backrest not backrest not
locked locked orRear right
Rea rr ight
sea tb ackrest not
sea tb ackrest not
locked
locked Saloon wit
hthrough-loading facilit yint he rear compartment:
The backrest in th erear is no tengage dont heleft-han dand/or
right-hand side .Awarnin gtonea lso sounds.
X Push th ebackrest bac kuntil it engages. 326
Display
messagesOn-boardcomputer an ddisplays

Display messages
Possible causes/consequences and
M
MSolutions j
Check trailer Check trailer
hitch lock hitch lock The trailer to
whitch is no tcorrectly engaged.
Aw arnin gtonea lso sounds.
G WARNING
If th eball couplin gisnotengaged, th etrailer may come loose.
There is ariskofana ccident.
X Stop th evehicl eimmediately, payin gattention to roa dand traf-
fic conditions, and switch of fthe engine.
X Apply th eparkin gbrake.
X Engage th etrailer coupling's ball couplin gintheendp osition
(Y page 268). &
inoperative Bat‐ inoperative Bat‐
ter
yl ow
ter yl ow th
eo n-bo ardv oltag eistoolow The auxiliar yheatin ghas switched
itself of forcannotbes witched on (Y page 168).
X Drive fo raconsid erable distance.
The battery charges. The auxiliar yheatin gisoperational again as
soo nast heon-boar delectrica lsystem voltag eissufficient. &
inoperative inoperative
Refuel
Refuel
vehicle
vehicle There is to
olittl efue lint hefuel tank. The auxiliar yheatin gcannot
be switched on (Y page 168).
X Refuel at th eneares tfillin gstation. &
inoperative See inoperative See
Owner'
sMan.
Owner' sMan. The auxiliar
yheatin gistemporarily malfunctionin gorfaulty.
X Whe nthe vehicl eisonal evel surfac eand th eengineh as cooled
down ,makeuptof oura ttempts to switch on th eauxiliar yheat-
ing, waitin gseveral minute sbetween eac hattempt
(Y page 168).
X If th eauxiliar yheatin gdoes no tswitch on ,consu ltaq ualified
specialist workshop. Ð
Power Power
steering
steering mal‐
mal‐
function See Own‐
function See Own‐
er' sM anual
er' sM anual The powe
rsteerin gassistanc eisfaulty.
Aw arnin gtonea lso sounds.
G WARNING
You will need to use mor eforce to steer.
There is ariskofana ccident.
X Chec kwhether you are able to apply th eextra forcerequired.
X If you ar eabletos teer safely: carefully drive on to aqualified
specialist workshop.
X If you ar eunable to steer safely: do notdrive on .Contac tthe
neares tqualified specialist workshop. Display
messages
327On-boardcomputer an ddisplays Z

Display messages
Possible causes/consequences and
M
MSolutions Â
Key not detected Key not detected
(whit
edisplay mes-
sage) The KEYLESS-GO ke
ycanno tbed etecte datpresent.
X Change th elocation of th ekeywit hthe KEYLESS-GO functions
in th evehicle.
If th eKEYLESS-GO ke yisstill no tdetected:
X Operat ethe vehicl ewitht he keyint he ignition loc kifneces sary. Â
Remove starting Remove starting
button
,then
button ,then
insert key insert key The KEYLESS-GO ke
yisnotcontinually detected.
KEYLESS-GO is temporarily malfunctionin gorisdefective. Awarn-
in gt onea lso sounds.
X Inser tthe keyintot he ignition loc kand tur nittot hedesired
position.
X Visit aqualified specialist workshop. Warning and indicator lamps in th
einstrument cluster General notes
Some systems carry out aself-diagnosi swhen th eignition is switched on .Several warnin gand
indicato rlamp scan thereby temporarily ligh tuporflash. This behaviour is non-critical. These
warnin gand indicato rlamp sonlyi nd icate amalfunction if they ligh tuporflasha fter th eengine
is started or during ajou rney. Safety
Sea tbelts Problem
Possible causes/consequences and
M
MSolutions ü
Only fo
rcertai ncoun-
tries: th ered seat belt
warnin glamp lights up
fo r6s econds after the
engin estarts. The seat belt warnin
glamp reminds th edriver and fron tpassenger
to faste ntheir seat belts.
X Faste nyour seat belt (Y page 48). ü
Only fo
rcertai ncoun-
tries: th ered seat belt
warnin glamp lights up
after th eengines tarts.
In addition ,awarning
tone sounds fo rupto
6s econds. The driver's seat belt is no
tfastened.
X Faste nyour seat belt (Y page 48).
The warnin gtonec eases. Wa
rning an dindicator la mpsint he instrument cluster
329On-board computera nd displays Z

Problem
Possible causes/consequences and
M
MSolutions ü
The red seat belt warn-
ing lamp lights up after
the engine starts, as
soon as the driver's or
the front-passenger
door is closed.
The driver or passenger has not fastened their seat belt.
X Fasten your seat belt (Y page 48).
The warning lamp goes out. There are objectsont
he front-passenger seat.
X Remove the objectsf rom the front-passenger seat and stow
them in asecure place.
The warning lamp goes out. ü
The red seat belt warn-
ing lamp flashes and an
intermittenta udible
warning sounds. The driver or passenger has not fastened their seat belt. At the
same time, you are driving faster than 25 km/ho rhave briefly
driven faster than 25 km/h.
X Fasten your seat belt (Y page 48).
The warning lamp goes out and the intermittentw arning tone
ceases. There are objectsont
he front-passenger seat. At the same time,
you are driving faster than 25 km/ho rhave briefly driven faster
than 25 km/h.
X Remove th eobjects from th efront-pa ssenger seat and stow
them in asecure place.
The warnin glamp goe sout and th eintermitten twarnin gtone
ceases. Safet
ysystems Problem
Possible causes/consequences and
M MSolutions J
The yellow brak
esys-
te mw arnin glamp
lights up while the
engin eisrunning. G
WARNING
The brak esystem is malfunctionin gand th ebrakin gcharacteris-
tics may be affected.
There is ariskofana ccident.
X If th emultifunction display shows adisplay message ,please
observ ethis.
X Drive on carefully.
X Consult aqualified specialist workshop. J
The red brak
esystem
warnin glamp comes on
while th evehicl eis
moving. Awarnin gtone
also sounds. You are drivin
gwitht he parkin gbrak eapplied.
X Releas ethe parkin gbrake.
The warnin glamp goe sout and th ewarnin gtonec eases. 330
Wa
rning an dindicator la mpsint he instrument clusterOn-board computera nd displays