2015 MERCEDES-BENZ E-CLASS SALOON Owners Manual

Problem
Possible causes/consequences and
M
MSolutions ÷
The yellowE
SP®
warn-
ing lamp flashes while
the vehicle is in motion. ESP
®
or traction control has intervened because there is arisk of
skidding or at least one wheel has started to spin.
Cruise control or DISTRONIC PLUS is deactivated.
X Only depress the accelerator pedal as far as necessary when
pulling away.
X Accelerate more gently while the vehicle is in motion.
X Adapt your driving style to suit the road and weather conditions.
X Do not deactivate ESP ®
.
In rare cases (Y page 84) it may be best to deactivate ESP ®
.
Observe the important safety notes on ESP ®
(Y page 83). å
The yellowE
SP®
OFF
warning lamp is lit while the engine is running. ESP
®
is deactivated.
G WARNING
If ESP ®
is deactivated, ESP ®
is unable to stabilise the vehicle.
Further driving systems or driving safety systems are thus restric- ted, e.g. Active Blind Spot Assist. The system does not perform
braking actions.
There is an increased danger of skidding and risk of an accident.
X Reactivate ESP ®
.
In rare cases (Y page 84) it may be best to deactivate ESP ®
.
Observe the important safety notes on ESP ®
(Y page 83).
X Adapt your driving style to suit the road and weather conditions.
If ESP ®
cannot be activated:
X Drive on carefully.
X Have ESP ®
checked at aqualified specialist workshop. M
AMG vehicles only:
The yellowS
PORT han-
dling mode warning
lamp is lit while the
engine is running. SPORT handling mode is activated.
G WARNING
When SPORT handling mode is activated, ESP ®
is unable to sta-
bilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Only switch to SPORT handling mode in accordance with the
condition swritten in the "Activating/deactivating SPORT han-
dling mode" section (Y page 85).334
Warning and indicator lampsint
he instrument clusterOn-board computer and displays

Problem
Possible causes/consequences and
M
MSolutions ֌
The yellow ESP
®
and
ESP ®
OFF warning
lamps are lit while the
engine is running. ESP
®
,B AS ,BAS PLUS with Cross-Traffic Assist ,COLLISION PRE-
VENTION ASSIST PLUS, PRE-SAFE ®
,P RE-SAFE ®
PLUS,
PRE‑SA FE®
Brake, the HOLD function, hill start assist, ESP ®
trailer
stabilisation and the adaptive brake lights are unavailabl edue to a
malfunction.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the functions listed above.
The braking distanc emay thus increase in an emergenc ybraking
situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Consult aqualified specialist workshop. 6
The red restraint sys-
tem warning lamp is lit
while the engine is run-
ning.
The restraint system is faulty.
G WARNING
The airbags or belt tensioners may either be triggered uninten-
tionally or, in the event of an accident ,may not be triggered.
This poses an increased risk of injury.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Have the restraint system checked immediately at aqualified
specialist workshop.
Observe the additional information on the restraint system
(Y page 44). Warning and indicator lampsint
he instrument cluster
335On-board computer and displays Z

Engine
Problem
Possible causes/consequences and
M
MSolutions ;
The yellow engin
ediag-
nostics warning lamp
light supw hile the
engin eisrunning. Ther
emay be afault ,for example:
R in th eenginem anagement
R in th efuel injection system
R in th eexhaust system
R in th eignition system (for vehicle swith petrol engines)
R in th efuel system
The emission limit values may be exceeded and th eenginem ay be
runnin ginemergency mode.
X Hav ethe vehicle checked as soon as possible at aqualified
specialist workshop. Vehicle
swithadiese leng ine: th efuel tan khas been run dry
(Y page 204).
X Afte rrefuellin gstart th eenginet hree to four times.
If th eyellow engin ediagnostics warning lamp goes out ,emer-
gency runnin gmode is cancelled. The vehicle need no tbe
checked. 8
The yellow reserv
efuel
warning lamp is on
while th eengineisr un-
ning. The fuel leve
lhas dropped int othe reserv erange.
Operatio noftheauxiliar yheating is deactivate difthefuel level
drops int othe reserv erange.
X Refuel at th eneares tfillin gstation. ?
The red coolant warn-
ing lamp light
supwhile
th ee ngineisr unning
and th ecoolant tem-
perature gauge is at the start of th escale. The temperatur
esensor for th ecoolant temperatur egauge is
faulty.
The coolant temperatur eisnolonger bein gmonitored. Ther eisa
risk of engin edamage if th ecoolant temperatur eistoohigh.
X Stop th evehicle immediately, paying attentio ntoroad and traf-
fic conditions, and switch off th eengine. Do no tcontinue driving
unde rany circumstances.
X Safeguard th evehicle against rolling away (Y page 205).
X Consult aqualifie dspecialist workshop. 336
Warning and indicator lamps in th
einstrumen tclusterOn-boar dcomputer and displays

Problem
Possible causes/consequences and
M
MSolutions ?
The red coolant warn-
ing lamp comes on
while the engine is run-
ning.
The coolant level is too low.
If the coolant level is correct,t
he airflow to the engine radiator may
be blocked or the electric engine radiator fan may be malfunc-
tioning.
The coolant is too hot and the engine is no longer being cooled
sufficiently.
X Observe the additional display messages in the multifunction
display.
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 (Y page 205).
X Leave the vehicle and keep asafe distance from the vehicle until
the engine has cooled down.
X Check the coolant level and top up the coolant, observing the
warning notes (Y page 382).
X If you have to top up the coolant frequently, have the engine
cooling system checked.
X Make sure that the air supply to the engine radiator is not
blocked, e.g. by frozen slush.
X Do not start the engine again until the coolant temperature is
below 120 †. The engine may otherwise be damaged.
X Drive to the nearest qualified specialist workshop.
X Avoid putting the engine under heavy load as you do so, e.g.
driving in mountainous terrain and stop-start traffic. ?
The red coolant warn-
ing lamp comes on
while the engine is run-
ning.
Awarning tone
also sounds. The coolant temperature has exceeded 120 †. The airflow to the
engine radiator may be blocked or the coolant level may be too
low.
G WARNING
The engine is not being cooled sufficiently and may be damaged.
Never drive with an overheated engine. Driving when your engine is overheated can cause some fluids which may have leaked into
the engine compartmen ttocatch fire.
In addition, steam from an overheated engine can cause serious
burns, which can occur just by opening the bonnet.
There is arisk of injury.
X Observe the additional display messages in the multifunction
display.
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 (Y page 205).Warning and indicator lampsint
he instrument cluster
337On-board computer and displays Z

Problem
Possible causes/consequences and
M
MSolutions X
Leave the vehicle and keep asafe distance from the vehicle until
the engine has cooled down.
X Check the coolant level and top up the coolant, observing the
warning notes (Y page 382).
X If you have to top up the coolant frequently, have the engine
cooling system checked.
X Make sure that the air supply to the engine radiator is not
blocked, e.g. by frozen slush.
X If the coolant temperature is below 120 †, you can continue
driving to the nearest qualified specialist workshop.
X Avoid putting the engine under heavy load as you do so, e.g.
driving in mountainous terrain and stop-start traffic. Driving systems
Problem
Possible causes/consequences and
M MSolutions ·
The red distance warn-
ing lamp lights up while
the vehicle is in motion. The distance to the vehicle in front is too small for the speed
selected.
X Increase the distance. ·
The red distance warn-
ing lamp lights up while
the vehicle is in motion. Aw arning tone also
sounds. You are approaching
avehicle, apedestrian or astationary obsta-
cle in your line of travel at too high aspeed.
X Be prepared to brake immediately.
X Pay careful attention to the traffic situation. You may have to
brake or take evasive action.
Observe the additional information on PRE‑ SAFE®
Brake
(Y page 87).
Observe the additional information on the distance warning func-
tion of COLLISION PREVENTION ASSIST PLUS (Y page 80).338
Warning and indicator lampsint
he instrument clusterOn-board computer and displays

Tyres
Problem
Possible causes/consequence
sand M
MSolutions h
The yellow tyr
epres-
sure monitor warning
lamp (pressure loss/
malfunction) is lit. The tyr
epressure monitor ha sdetecte dalossofp ressure in at
leas tone of the tyres.
G WARNING
With tyr epressures which ar etoo low, ther eisariskoft he fol-
lowing hazards:
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 Secure the vehicl eagain st rolling away (Y page 205).
X Observe the additional displa ymessage sinthe multifunction
display.
X Check the tyres and ,ifnecessary ,follo wthe instructions for a
fla ttyre( Ypage 397).
X Check the tyr epressure (Y page 423).
X If necessary ,correct the tyr epressure. h
The yellow tyr
epres-
sure monitor warning
lamp (pressure loss/
malfunction) flashe sfor
approximately one
minute and then
remains lit. The tyr
epressure monitor is faulty.
G WARNING
The system is possibl yunabl etor ecognise or register lo wtyre
pressure.
There is ariskofana ccident.
X Observe the additional displa ymessage sinthe multifunction
display.
X Visi taq ualified specialis tworkshop. Warning and indicator lamps in the instrument cluster
339On-board computer and displays Z

340

Useful information
............................342
Stowage areas ................................... 342
Features ............................................. 360 341Stowing and features