Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
lo wi ndicator lam pdoes
no tlight up
0024
and
0049
Re dp arking brake
applied indicator lamp
(USA) lights up
0024
Re dp arking brake
applied indicator lamp
(Canada) lights up Ve
hicles with manual parking brake: ther ed parking brak eindicator
lam plights up.
Meaning of thei ndicator lamp:
R The redp arking brak eindicator lam plights up: thep arking brake
has been applied. #
Do no tdrive thev ehicle if thep arking brak ehas been applied.
004D
Brak esystemw arning
lam p(yellow) The brak
esystemy elloww arning lam plight supw hilethee ngine is on. &
WARNING Risk of an accident du etoabrake system malfunc‐
tion
If th eb rake system is malfunctioning, braking characteristic smay
be impaired. #
Driv eonc arefull y. #
Have theb rake system checkedi mmediately at aqualified
specialis tworks hop. #
Driv ecarefully at an adjus teds peed and at asufficient dis tance
from thev ehicle in front. #
Ifth em ultifunction displa yshows adispla ymessage, compl ywithi t. #
Visit aq ualified specialis tworks hop.
004D
and
0027
Brak ewarning lam p(red)
(USA)
004D The brak
esystemr edwarning lam plight supw hilethee ngine is on.
Po ssible causes:
R The brak eforce boosting is malfunctioning.
R The EBD (electronic brakeforce distribution) is malfunctioning.
R Ther eisn otenough brak efluid in theb rake fluid reser voir. &
WARNING Risk of accident and injur yifbrake forc eb oosting is
malfunctioning
If brak eforce boosting is malfunctioning, increased brak epedal
fo rc em aybe necessar yfor braking .The braking characteristic smay
be impaired. The brakin gdista nce can increase in eme rgency brak‐
ing situations. 362
Displa ymessages and warning and indicator lamps
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
Brak ewarning lam p(red)
(Canada) #
Stop in asafel ocation immediately .Donotcontinue driving. #
Consult aqualified specialis tworks hop. &
WARNING Risk of an accident if theE BD (electronic brake
fo rc ed istribution) malfunctions
If th eE BD malfunctions, thew heels ma yloc kd uring braking.
The braking characteristic smaybe impaired.
The brakin gdista nce can increase in eme rgency situations. #
Stop in asafel ocation immediately .Donotcontinue driving. #
Consult aqualified specialis tworks hop. &
WARNING Risk of an accident du etolowbrak efluid le vel
If th eb rake fluid le velist oo lo w,theb raking ef fect and theb raking
ch aracteristic smaybe impaired. #
Pull overand stop thev ehicle safely as soon as possible, pay‐
ing attention toroad and traf ficc onditions. Do no tcontinue
driving under an ycircums tances. #
Consult aqualified specialis tworks hop. #
Do no tadd brak efluid. #
Stop thev ehicle immediately ,paying attention toroad and traf fic
conditions. Do no tcontinu edriving. #
Consul taqualified specialis tworks hop.
0075
Re stra int sy stem warning
lamp The
restra int sy stem redw arning lam pisonwhilethee ngine is on.
The restra int sy stem is malfunctioning. &
WARNING Risk of inju rydue tomalfunctions in ther estraint
sy stem
If th er estraint sy stem is malfunctioning, restra int sy stem compo‐
nent smaybe triggered unintentionall yormaynotd eplo yasi nten‐
ded during an accident .This ma yaffect theE mer gency Tensioning
Device sorairbags, fore xamp le. #
Have ther estraint sy stem checkeda nd repaired immediately
at aq ualified specialis tworks hop. #
Driv eonc arefully. #
Obser vethem essages on them ultifunction displa y. #
Visit aq ualified specialis tworks hop immediately.
00E5 ESP ®
wa rning lam plights
up The ESP
®
ye llo ww arning lam plight supw hilethee ngine is on.
ESP ®
is malfunctioning.
Other driving sy stems and driving saf etys ystems ma yalso be malfunc‐
tioning. Displa
ymessages and warning and indicator lamps 363
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning ,ESP ®
canno tcarry out vehicle stabiliza‐
tion. In addition ,other driving saf etys ystems ar eswitched off. #
Driv eonc arefull y. #
Have ESP ®
ch eckedataq ualified specialis tworks hop. #
Continue driving carefully. #
Read them essages on them ultifunction displa y. #
Visit aq ualified specialis tworks hop.
00E5
ESP ®
wa rning lamp
fl ashes The ESP
®
ye llo ww arning lam pflashes during thet rip.
ESP ®
inter venes (/ page 139). #
Adapty our driving styletot heweather and road conditions.
00BB ESP ®
OFF warning lamp The ESP
®
OFF yello ww arning lam plight supw hilethee ngine is on.
ESP ®
has been switched off. &
WARNING Risk of skidding whe ndriving wi thESP ®
deacti vated
If ESP ®
is deactivated, ESP ®
canno tcarry out vehicle stabilization.
The availabilit yoffurther driving saf etys yst ems is also limited. #
Driv eonc arefull y. #
Only deactivat eESP®
forasl ong as thes ituation requ ires.
If ESP ®
canno tbeactivated, ESP ®
is malfunctioning. #
Have ESP ®
ch eckedi mmediately at aqualified specialis twork‐
shop. #
Compl ywithi nstructions toswitc hESP®
of f(/pag e139).
0025 ABS warning lamp The AB
Syello ww arning lam plight supw hilethee ngine is on.
ABS is malfunctioning.
If an additional warning tone sounds, this means theE BD is malfunc‐
tioning.
Other driving sy stems and driving saf etys ystems ma yalso be malfunc‐
tioning. &
WARNING Thereisrisk of skidding if EBD or ABS is malfunc‐
tioning
If EBD or ABS is malfunctioning, thew heels could loc kwhen braking
The steering capability and braking characteristic sarethus se verely
impaired. The brakin gdista nce in an emergency braking situation
can increase. In addition, other driving saf etys ystems ar eswitched
off. #
Driv eonc arefull y. 364
Displa ymessages and warning and indicator lamps
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions #
Have theb rake system checkedi mmediately at aqualified
specialis tworks hop. #
Continue driving carefully. #
Read them essages on them ultifunction displa y. #
Visit aq ualified specialis tworks hop. Seat belt
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
0076
Seat belt warning lamp
fl ashes The
reds eat belt warning lam pflashes and an intermit tent wa rning tone
sounds.
The driver or co-d rive rd oes no thave their belt on during thet rip
(speeds abo ve15 mp h(25 km/h)). #
Put on thes eat belt (/ page32).
Ther eareobject sonthe front-passenger seat. #
Remo vetheo bject sfromt he front-passenger seat.
0076
Seat belt warning lamp
light sup The seat belt
redw arning lam plight supo ncet he engine has star ted.
Aw arning tone ma yalsos ound.
Whe nthe vehicle is stationary: The seat belt warning lam premind sdriv‐
er sa nd front-passenger toput on their seat belt. #
Puttin gonthe seat belt (/ page32).
Objects on thef ront-passenger seat ma ypreve nt thes eat belt warning
lam pfromg oing out. Driving sy
stems Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
00BA
Dis tance warning lamp The
redd ista nce warning lam plight supw hileyoua redrivin gand a
wa rning tone sounds.
Yo ua reapproachin ganobstacle at tooh igh aspeed. #
Beready toappl ythe brakes immediatel y. #
Increase thed ista nce. Ve
hicle Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
00CC The
redp owersteering sy stem warning lam plight supw hilethee ngine
is running.
The po wersteering assis tance or thes teering itself is malfunctioning. Displa
ymessages and warning and indicator lamps 365
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
Po we rsteering sy stem
wa rning lamp &
WARNING Risk of accident if steering capability is impaired
If th es teering no longer functions as intended, thev ehicle's operat‐
ing saf etyisj eopardized. #
Consult aqualified specialis tworks hop. #
Read them essages on them ultifunction displa y. Engine
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
00AC
Coolant warning lamp The
redc oolant warning lam plight supw hilethee ngine is running.
Po ssible causes:
R temp eratur esensor malfunctioning
R coolant le veltoo low
R air suppl ytothe engine radiator obstructed
R engin eradiator fanf aulty
If aw arning tone also sounds, thec oolant has exceeded thet empera‐
tur eof2 48 °F (120 °C). &
WARNING Danger of bu rnsw hen opening theh ood
If yo uo pen theh ood when thee ngine has overheated or during a
fi re inthee ngine compartment, youc oul dc om eintoc ontact wi th
ho tg ases or other escaping operating fluids. #
Befor eopening theh ood, allo wthe engine tocool down. #
Inthee vent of afireint he engine compartment, keep the
hood closed and call thef ires ervice. #
Stop immediately in accordance wit hthe traf ficc onditions and
switc hoffthee ngine. Do no tcontinue driving. #
Obser vethem essages on them ultifunction displa y.
If th ec oolant temp eratur edispla yisatt he lowerend of thet empera‐
tur es cale: #
Consult aqualified specialis tworks hop.
Otherwise: #
Leavethev ehicle and keep asafed ista nce from thev ehicle until the
engine has cooled down. #
Chec kthe coolant le vel(/ page268). #
Ensur ethat thea ir supply tothee ngine radiator is no tobstructed. #
Without subjectin gthe engine toexc essiv estrain, continue tothe
nea rest qu alified specialis tworks hop. Ensur ethat thec oolant tem‐
peratur edispla yremain sbelo w2 48 °F (120 °C). 366
Displaymessa gesa nd warning and indicator lamps
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
003D
Elect rical malfunction
wa rning lamp The elect
rical malfunction redw arning lam plight sup.
Am alfunction has occur redint he electrics. #
Read them essages on them ultifunction displa y.
00D4
Fu elreser vewarning
lamp The fuel
reser veyello ww arning lam plight supw hilethee ngine is on.
The fuel supplies ha vereached ther eser veleve l. #
Refuel.
00B9 Engine diagnosis warning
lamp The
yello wC heckEngine warning lam plight supw hilethee ngine is on.
Am alfunction has occur redint he engine, thee xhau stsystem or the
fuel sy stem.
The emissions limit value ma yhaveb een exceeded and thee ngine may
be running in eme rgency operation mode. #
Have thev ehicle checkedass oon as possible at aqualified special‐
is tw orks hop. Ti
res Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
0077
Ti re pressur emonitoring
sy stem warning lamp
fl ashes The
yello wt irep ressur emonitoring sy stem warning lam p(pressure
loss/malfunction) flashes forr oughly one minut eand then lights up per‐
manentl y.
The tir epressur emonitoring sy stem is malfunctioning. &
WARNING Thereisar isk of an accident if thet irep ressure
monitoring sy stem is malfunctioning
If th et irep ressur emonitoring sy stem is malfunctioning, it is not
able toissue awarning if ther eisp ressur eloss in one or mor eof
th et ires.
Un derinflated tires ma y,fore xamp le, impair thed riving, steering
and braking characteristics. #
Have thet irep ressur emonitoring sy stem checkedataq uali‐
fi ed specialis tworks hop. #
Visit aq ualified specialis tworks hop.
0077
Ti re pressur emonitoring
sy stem warning lamp
light sup The tir
epressur emonitor yello ww arning lam p(pressur eloss/malfunc‐
tion )light sup.
The tir epressur emonitor has de tected atirep ressur elossinatl east
one tire. Displa
ymessages and warning and indicator lamps 367
1,
2, 3. ..
3-zone automatic climat econtrol
(control panel) ....................................... .96
12 Vs ocket
see Soc ket(12 V)
11 5Vs ocket
see Soc ket(11 5V)
360° Camera ........................................ 15 0
Car e................................................. .274
Fu nctio n........................................... 15 0
Selecting aview. .............................. 15 2
Switching au tomatic operation
on/of f(rear vie wcamera) ............... .152 A
ABS (Anti-lo ckBrakin gSystem) .......... 13 8
Ac celeration
see Usin gkickdown
Ac cess data
Setting (Blue tooth®
). ........................ 24 2
Ac oustic locking verification signal
Ac tivating/deactivating ...................... 43
Ac tiv eB rake Assi st.............................. 14 0
Fu nction/no tes. ............................... 14 0
Setting .............................................. 14 2
Ac tiv eD ista nce Assis tDISTR ON IC ..... 14 4
Callin gupas peed........................... .145
Fu nctio n........................................... 14 4
Increasing/decreasing speed ........... 14 5
Re quirements .................................. .145
St eering wheel buttons ..................... 14 5
St oring aspeed ................................ 14 5
Switching off/deacti vating ............... 14 5
Switching on/activating ................... 14 5
Sy stem limitations ............................1 44
Ac tiv eL aneK eeping Assist .................158
Fu nctio n........................................... 15 8
Sy stem limitations ............................1 58
Tr ailer operatio n............................... 15 8
Ac tiv eP arking Assist
Maneuvering assis tance ................... 15 2
Ad aptiv ecruise control
see ActiveD ista nce Assi stDISTRONIC
Ad aptiv eHighbeam Assist
Fu nctio n............................................. 82
Switching on/o ff................................ 82
Ad d-on equipment .................................. 20
Ad d-on equipment guidelines ............... 20Ad
ditional tur nsignal light (all-
wheel driv evehicles) ............................. 86
Ad diti ve ................................................. 329
DEF .......................................... 128, 328
Engine oi l......................................... 329
Ad diti ves
Fu el .................................................. 326
Ad diti ves( DEF)
see DEF
Ad diti ves( engine oil)
see Additive
Ad diti ves( fuel)
see Fuel
Ad dres sbook
see Contacts
AD R(wo rkings peed control)
Ad justing .......................................... 15 9
Fu nctio n........................................... 15 9
Switching on/of f.............................. 15 9
Af ter-sales service center
see ASS YSTP LUS
Air bag Reduced pr otection ............................34
Air nozzles see Air vents
Ai rv ents .......................................... 99, 100
adjustin g(front) .................................. 99
Ad justing (roof) ................................. 100
Re ar passenger compartment .......... 100
Airbag ...................................................... 33
Ac tivation ........................................... 30
Fr ont airbag (driver ,fro nt
passenger) ......................................... 33
Ins tallation locations .......................... 33
Overvie w........................................... .33
Pr otection ...........................................33
Sid eairba g. ........................................ 33
Wi ndo wcurtain airbag ........................ 33
Alar msystem
see ATA (Anti-Thef tAlarms ystem)
Alertness assistant see ATTENTION ASSIST
All-wheel drive Engaging ...........................................1 19
Engaging/disen gaging ......................1 20
LO Wr ang e........................................ 12 0
No tes. ............................................... 11 9
Alternativ eroute
see Route Index
369
Android
Auto ......................................... 24 0
Connecting amobile phon e............. .240
Ending ............................................... 241
No te ................................................. 24 0
Overvie w.......................................... 24 0
Sound settings .................................. 241
Tr ans ferred vehicle dat a.................... 241
Android Auto™
Control usin gthe applicationb ut‐
to ns .................................................. 241
Animals Pets in thev ehicle ...............................41
Anti-loc kbraking sy stem
see AB S(Anti-loc kBrakin gS ystem)
Anti-skid chains
see Sno wchains
Anti-thef tAlarms ystem
see ATA( Anti -Thef tAlarms ystem)
Anti-thef tprotection
Immobilizer ........................................ 56
Anti- theftp rotection
see ATA( Anti -Thef tAlarms ystem)
Apple CarPlay™ .................................... 239
Connecting an iPhone ®
.................... 239
Control using thea pplication but‐
to ns .................................................. 24 0
Ending .............................................. 24 0
No tes. .............................................. 239
Overvie w.......................................... 239
Sound settings ................................. 239
Tr ans ferred vehicle dat a.................... 241
Asht rays
In thew indshield stowagec om‐
partment ............................................ 75
ASR (accele ratio ns kidc ontrol) .......... 13 8
Assistance graphic (on-boar dcom‐
puter) ..................................................... 16 9
ASS YSTP LUS ........................................ 264
Batter ydisconnectio nperiods .. ....... 264
Displaying thes ervice due dat e.......2 64
Fu nction/no tes. ............................... 264
Re gular maintenance work ............... 264
Specia lservice requirements .......... .264
ATA (Anti-Thef tAlarms ystem) .............. 57
Ac tivating/deactivating thei nterior
motion sensor .................................... 58
Fu nctio n............................................. 57
Interior motion sensor function .......... 58
St opping thea larm. ............................ 57
Switching thet ow -awa ya larm
on/of f............................................... .58To
w- aw ay alar mfunction .................... 57
At tachments .......................................... .20
AT TENTION ASSI ST....................... 152, 15 3
Fu nctio n........................................... 15 2
Setting .............................................. 15 3
Sy stem limitations ............................1 52
Au thorized workshop
see Qualified specialis tworks hop
Au tomatic distanc econtrol
se eA ctiv eDista nce Assi stDISTRONIC
Au tomatic drivin glights ....................... .80
Au tomatic transmission
DIRECT SELEC Tleve r........................ 11 6
Engaging driv eposit ion. .................... 11 8
Engaging neutral ............................... 11 7
Engaging reve rseg ear ....................... 11 7
Kickdown .......................................... 11 9
Re stricting thes hiftrang e................. 11 8
Selecting pa rkposition .....................1 17
Tr ansmission position displa y........... 11 6
Tr ansmission position s..................... .116
Au xiliar yheating ..................................1 00
Fu nctio n........................................... 100
Axle load .............................................. .323 B
Bac ksupport
see Lumbar suppor t(4-w ay)
BA S(Brak eAssis tSystem) .................. 13 8
Battery Charging ........................................... 281
Charging avehicle batter y................2 81
Disconnecting thea uxiliar ybattery
in thee ngine compartmen t.............. 286
Disconnecting thes tarter batter y.... 284
Jump -sta rting (vehicle )..................... .281
Ke y. .................................................... 43
No tes( vehicle) ................................. 280
Re moving or ins talling thes tarter
batter y............................................. 285
St arterb atter y................................. 283
Batter ymain switch
No tes. ............................................... 11 5
Switching thep owe rsupp lyon/of f... 11 5
Belt see Sea tbelt
Blind Spo tAssist .................................. 15 5
Ac tivating/deactivating .................... 15 6
Fu nctio n........................................... 15 5
Re ar Cross Traf ficA lert. ................... 15 6
Sy stem limitations ............................1 5537 0
Index