Page 447 of 521

Ty
res Displa
ymessages
Possible causes/consequences and M
MSolutions
Tyre pressure Check tyres *T
he tyr epressur eloss warning sy stem has de tected asignificant los sinpressure. &
WARNING Risk of an accident du etoinsufficient tyr epressure
Ty resw ithi nsuf ficient tyr epressur eposet he following risks:
R The tyres ma yburst,e speciall yasthe load and vehicle speed increase.
R The tyres ma ywear excessively and/or une venly, whic hmaygreatl yimp air tyr etraction.
R ‑The drivin gcharacteristics, steering and braking ma ybegreatl yimp aired.
Yo uc ouldthen lose control of thev ehicle. #
Obser vether ecommende dtyrep ressures. #
Adjus tthe tyr epressur eifn ecessar y. #
Stop thev ehicle, paying attention toroad and traf ficc onditions. #
Chec kthe tyr epressur eand thet yres. #
When thet yrep ressur eisc orrect, restar tt he tyr epressur eloss warning sy stem .
Check tyre pressures then
restar tRun Flat Indicator *T
he tyr epressur eloss warning sy stem generated adispl ay messa geand has no tbeen restar teds ince. #
When thet yrep ressur eisc orrect, restar tt he tyr epressur eloss warning sy stem .
Run Flat Indicator inopera-
tive *T
he tyr epressur eloss warning sy stem is malfunctioning. #
Consult aqualified specialis tworks hop. 444
Displaymessa gesa nd warning/indicator lamps
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Displa
ymessages
Possible causes/consequences and M
MSolutions
h Warning tyre defect *T
he tyr epressur eino ne or mor etyres has dropped suddenly .The wheel position is displa yed. &
WARNING Risk of an accident from driving wi thaflat tyre
Flat tyres ar edangerous in thef ollowing ways:
R The tyres can overheat and cause afire.
R ‑The driving characteristics, steering and braking ma ybegreatl yimp aired.
Yo uc ouldthen lose control of thev ehicle. #
Do no tdrive wit haf lat tyre. #
Obser vethen otes on flat tyres. No
tesonf lat tyres (→ page365). #
Stop thev ehicle, paying attention toroad and traf ficc onditions. #
Chec kthe tyres.
Tyre press. monitor cur-
rently unavailable *N
osignals can be recei vedf romt he tyr epressur esensor sdue tostro ngradio signal source inter fere nce. The tyre
pressur emonitoring sy stem is temp oraril yunavailable. #
Driv eon.
The tyr epressur emonitoring sy stem restarts automaticall yassoon as thec ause has been rectified. 446
Displaymessa gesa nd warning/indicator lamps
Page 451 of 521
Key
Displa
ymessages
Possible causes/consequences and M
MSolutions
 Replace key *T
hekeyn eeds tobe replaced. #
Consult aqualified specialis tworks hop.
Replace key See Owner's
Manual *
Ve hicles with adigital vehicl ekeyinthes ma rtphone: onlyafew or no authorisations remain fors tartin gt he
engine. #
Mak esuret hat theI nterne tconnection is no tlimited bycer tain mobile phon esettings. #
Open theM ercedes me connect weba pp http://www.mercedes.me. and call up the" Digital Car Keyint he
smartphone" service. #
Deactivat ethe service firs ta nd then activat eitagain. #
Ifth ed ispla ymessag estilla ppears, con tact theM ercedes-Benz Cus tomer Assis tance Center (C AC).
 Change key batteries *T
hekeyb atte ry is dischar ged. #
Replace theb atter y. 448
Displaymessa gesa nd warning/indicator lamps
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Wa
rning and indicator lamps Overvie
wofwarningand indicator lamps Som
esystems per form aself-tes twhen thei gni‐
tion is switched on. Some warning and indicator
lamps ma ybriefly light up or flash. This behav‐
iour is non-critical. Thes ewarning and indicator
lamps onl yindicat eamalfunction if they light up
or flash af tert he engine is star tedord uring a
journe y.
Instrument displa yinthe widesc reen cockpit Prog
ressiv esetting (widescreen cockpit) If
yo us elect thep rogressiv edispla ysetting in
ve hicles wit hawidescreen cockpit, thep osition
of thei ndicator lamps in thei nstrument display
ch anges.
Wa rning and indicator lamps:
L Dipped beam (→
page117 )
T St
anding light s(→pag e117 )
K Mai
nbeam( →pag e119 )
#! Tu
rn signal light (→ page119 )
R Re
ar fogl ight (→ page117 ) ü
Sea
tbelti sn otfast ened
(→ pag e471 )
J Brakes (red) (→
page465)
J Brakes (yell
ow)(→pag e465)
! ABSm
alfunction (→ page465)
÷ ESP®
(→ pag e465)
å ESP®
OFF (→ page465)
! Electric parkin
gbrake ( →pag e465)
Ð St
eering assis tance malfunction
(→ page 473)
# Electrica
lfault (→ page474 )
6 Re
stra int sy stem (→ page465)
; Engine diagnosis (→
page474 )
8 Fu
elreser vewit hfuel filler cap loca‐
tion indicator (→ page474 )
? Coolan
ttoo hot/cold (→ page474 )
· Dis
tance warning (→ page472)
h Ty
re pressur emonitoring sy stem
(→ pag e477) 462
Displaymessa gesa nd warning/indicator lamps
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Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
7 Seat belt warning lamp
fl ashes The
reds eat belt warning lam pflashes and an intermit tent wa rning tone sounds.
The driver or front passenger ha snotfast ened their seat belt while thev ehicle is in motion. #
Fasten your seat belt .
Ther eareobject sonthe front passenger seat. #
Remo vetheo bjects from thef ront passenger seat. Driving sy
stems Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
à Suspension warning lamp The
yello wA IRBO DY CONTROL warning lam pison.
AI RB ODYC ONTROL is faulty. #
Obser vethem essages on them ultifunction displa y.
·
Dis tance warning warning
lamp The
redd istan cewarning lam plight supw hilethev ehicle is in motion.
The dis tance tothev ehicle in front is toos mall fort he speed selected.
If th er eisana dditional warning tone, youa reapproachin ganobstacle at tooh igh aspeed. #
Be prepared tobrak eimmediatel y. #
Increase thed ista nce.
Ac tiveB rake Assi st . 47 0
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Engine
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
; Engine diagnosis warning
lamp The
yello we ngin ediagno stics warning lam pislit while thee ngine is running.
Am alfunctio nhasoccu rred in thee ngine, thee xhau stsystem or thef uel sy stem.
The emissions limit value ma yhave been exceeded and thee ngine ma yberunninginemergency operation mode. #
Have thev ehicle checkedass oon as possible at aqualified specialis tworks hop.
# Electrical fault warning
lamp The
rede lect rical fault warning lam pislit.
Ther eisaf ault in thee lectrics. #
Obser vethem essages in them ultifunction displa y.
8
Fu elreser vewarning lamp The
yello wf uel reser ve wa rning lam pislit while thee ngine is running.
The fue lsuppl yhasdroppe dintot he reser verange. #
Refuel. 472
Displaymessa gesa nd warning/indicator lamps
Page 477 of 521
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
Otherwise: #
Lea vethev ehicle and keep asafed ista nce from thev ehicle until thee ngine has cooled down. #
Chec kthe coolant le vel. #
Mak esuret hat thea ir supply tother adiator is no tobstructed. #
Avoiding high loads on thee ngine, driv eontothe neares tqualified specialis tworks hop. In doing so, ensur ethat the
coolant temp eratur edispla yremain sbelo w1 20 °C. 474
Displaymessa gesa nd warning/indicator lamps
Page 479 of 521
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
h Ty re pressur emonitoring
sy stem warning lamp
fl ashes The
yello wt yrep ressur emonitoring sy stem warning lam p(pressur eloss/malfunction) flashes fora pproxima tely one
minut eand then remains lit.
The tyr epressu remonitoring sy stem is faulty. &
WARNING Thereisar isk of an accident if thet yrep ressur emonitoring sy stem is malfunctioning
If th et yrep ressur emonitoring sy stem is malfunctioning, it is no table toissue awarning if ther eisp ressur eloss in
one or mor eofthe tyres.
Ty resw ithi nsuf ficient tyr epressur emay,for example, af fect thev ehicle's handling characteristics, steering and
braking. ‑ #
Have thet yrep ressur emonitoring sy stem checkedataq ualified specialis tworks hop. #
Consult aqualified specialis tworks hop. 476
Displaymessa gesa nd warning/indicator lamps