
Engine
Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00B9 En gine diagnosis warning
lam p The
yello wChec kEn gine warning lam pis lit while theengine isrunning .
A ma lfunctio nha soccu rred intheengine, theex haus tsy stem orthefuel system.
The emission limitvalues maybe exceed edand theengine maybe inemer gency mod e.
In som est at es, legalrequ iremen tsstipulat eth at youmus timm ediat elyco nsult aqu alif ied spec ialistwo rkshop assoon
as theye llo wChec kEn gine warning lam plight sup. #
Have theve hicle checkedas soon aspossible ataqu alif ied spec ialistwo rkshop.
003D Electr icalmalfunction warn‐
ing lam p The
redelect rical mal functi onwarning lam pis lit.
Ther eis amalfun ction intheelectr ics. #
Obser vethemessag eson themultifunc tiondispla y.
00B6
Fu elreser vewarning lam p The
yello wfuel reser vewarning lam plight sup while drivin g.
Ther ehas been pressur eloss inthefuel system. Thefuel filler cap isno tclos edcor rectly orthefuel system isleaking. #
Close thefuel filler cap.
If th efuel filler cap hasalready been closedcor rectl y: #
Visit aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 46
7

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00B6 Fu elreser vewarning lam p The
yello wfuel reser vewarning lam pis lit while theengine isrunning .
The fuelsu pp lyha sdr op pedint oth ere ser verang e. #
Refuel .
00AC
Coo lant warning lam p The
redcoolant warning lam pis lit while theengine isrunning .
Po ssible causes are:
R The temp eratur esensor ismalfunct ioning
R The coolant leve lis toolow
R The airsuppl yto thera diat orisobs truct ed
R The radiat orfanis faulty
If th er eis an additional warning tone, thecoolant temp eratur ehas exceed edthemaximum permissible temp eratur e. &
WARNIN GDang erofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edordur ing afire intheengine compartmen t,yo uco uld come
int oco ntact withho tga ses orother escaping operating fluids. #
Beforeopen ingthehood, allowtheengine tocool down. #
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. 468
Displa ymessag esand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Pull overand stop theve hicle safely and switc hof fth eengine, paying attent ion toroad and traffic condi tions.Do
no tcontinu edr ivi ng und eranycir cums tances. #
Obs erve themessag eson themultifunc tiondispla y.
If th ecoolant temp eratur edispla yis at thelowe rend ofthete mp eratur escale: #
Consult aqu alif ied spec ialistwo rkshop.
or #
Exit theve hicle andkeep asaf edis tance from itunti lth eengine hascooled down. #
Chec kth ecoolant leve l(/ page34 1). #
Mak esur eth at theair supply tothera diat orisno tobs truct ed. #
Avoiding highloads ontheengine, drive to thenear estqu alif ied spec ialistwo rkshop. Indoing so,ensur eth at the
cool anttemp eratur edispla yre mains belowthere dar ea. Ti
re s Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0077 The
yello wtirepr essur emon itor ing system warning lam p(pr essur eloss/ malfun ction) islit.
The tirepr essur emon itor ing system has detected tirepr ess urelos sin at leas tone ofthetir es. Displa
ymessag esand warning/ indic ator lam ps 469

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Have thetir epr essur emonit oring system checkedat aqu alif ied spec ialistwo rkshop. #
Visit aqu alif ied spec ialistwo rkshop. Ve
hicl e Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00CC Po we rst eer ing system
wa rning lam p The
redpo we rst eer ing system warning lam pis lit while theengine isrunning .
The powe rst eer ing assis tance orthesteer ing itself ismalfunct ioning. &
WARNIN GRisk ofacci dent ifsteer ing capability isim pair ed
If th esteer ing does notfunc tion asintended, theve hicle's operating safetyis jeopar dized. #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.Do
no tcontinu edr ivi ng und eranycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. #
Obser vethemessag eson themultifunc tiondispla y.
00CA The
redtrailer tow hit ch warning lam pis on.
Ther eis amalfun ction withth etra iler hitch. #
Have thetra iler hitchch eckedat aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 47
1

Ad
diti onalvalue rang e
Se tting displa ycont ent ........................ 204
Ad diti ves.................................................. 405
En gine oil............................................ 405
Fu el ..................................................... 405
Ad diti ves(engine oil)
see Additiv es
Ad diti ves(fuel)
see Fuel
Ad dres sbo ok
see Contacts
Ad jus tabledam ping.......... ......................172
Ad jus tingthe balanc e/fader
Bur mes ter®
sur round soun dsy stem ...322
Ad jus tingthe sound focus
Bur mes ter®
sur round soun dsy stem ...322
Ad jus tingtreb le,mid- rang eand bass
se ttings
Bur mes ter®
sur round soun dsy stem ...322
Af ter-sales service center
see ASSYSTPL US Air
bag
Re duced protect ion ...............................4 0
Air inle t
see Air-water duct
Air pressu re
see Tire pressur e
Air vents ................................................... 125
Ad jus ting (front) ............. .....................125
Ad jus ting (rea r) ............. .......................125
Air vents
see Airvents
Ai r-re cir cula tion mode............................ 124
Air -water duct .......................................... 343
Ke eping free ........................................3 43
Airb ag....... ..................................................38
Ac tivati on ........... ...................................32
Fr ont airbag (driver ,fr ont passeng er)....3 8
Ins tallation locations ...................... .......3 8
Knee airbag........................................... 38
Ov ervie w ..... ................................... ....... 38
PA SSENGER AIRBAGind icat orlam p.....4 3
Pr otect ion ....................................... .......3 9
Sid eairba g<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 38Wi
ndo wcur tain airbag ...........................3 8
Alar m
see Panic alar m
Al ar m system
see ATA (anti-thef talar msystem)
All-wheel drive
see 4MA TIC
Alt ernativ ero ut e
see Route
Amb ientlighting
Se tting (mult imediasystem) ................1 14
Andr oidAuto <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 287
Co nnecting amob ile pho ne<0011001100110011001100110011001100110011001100110011001100110011
0011> 287
Ending <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 288
Inf ormati on<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 287
Ov ervie w <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 287
Sou ndsettings <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 288
Tr ans ferred vehicle data......................2 88
Ani mals
Pe ts intheve hicle ..................................6 1
Ant i-loc kbr ak ing system
see ABS(An ti-loc kBrak eSy stem) 47
4
Inde x

Ant
i-skid chains
see Snowch ains
Anti -thef tala rm system
see ATA(anti-t heftal ar m system)
Anti-t heftpr otection
Imm obiliz er............................................ 76
Ant i-thef tpr otection
see ATA(anti-t heftal ar m system)
Anticipat oryoccupant protection
see PRE- SAFE®
(anticip ator yoccu‐
pa nt protect ion)
Apple CarPla y™....................................... 285
Connec tinganiPhone ®
....................... 286
En ding ......... ........................................2 87
No tes ............... ................................... 286
Ov ervie w ............................................. 285
Sound settin gs .................................... 286
Tr ans ferred vehicle data......................2 88
Ashtr ay
Re ar passe nger com partment .............1 03
Using .............. .....................................102
Assis tance systems
see Drivin gsaf etysy stem Assis
tantdispla y
Menu (on-boar dcom puter) ............ ...... 206
ASS YSTPL US <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011>336
Batt erydi sconne ctionpe riods .............3 37
Dis play ing theser vice duedate........... 336
Fu nctio n/no tes ................................... 336
Re gular maint enance work <0011001100110011001100110011001100110011001100110011001100110011
00110011> 336
Spec ialser vice requ iremen ts.............. 336
ATA (anti-thef tala rm system) ...................7 6
Ac tivati ng/d eactiv ating theint erior
mo tion sensor ....................................... 78
Ar ming /disarm ing theto w- aw ay
alar m.............................................. .......7 7
Dea ctivating thealar m.......................... 77
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011>76
Fu nctio nof theint erior motion sensor ..78
The tow- aw ay alar mfun ction .......... .......7 7
AT TENTI ONASSIST <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 190, 191
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>190
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 191
Sy stem limit ations ........................... ....1 90
At tention assistant
see ATTENTION ASSIST Au
dio mode
Ac tivati ng med iamod e........... .............301
Co nnecti ngUSB devic es ........... .......... 304
Co pyrights ...........................................3 01
Inf ormation .......................................... 300
Inser ting/r emoving anSD card.... ....... 301
Media search<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 307
Ov ervie w <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 303
Pa use and playbac kfun ction ...............3 04
Selecti ngatrac k ....... .......................... 304
Selecti ngplayba ckoptions .................. 304
Tr ac klis t.............................................. 304
Au thorized Mercedes- BenzCenter
see Qualif iedspec ialistwo rkshop
Au thorized workshop
see Qualif iedspecialis two rkshop
Au tomatic distanc eco ntr ol
se eAc tiveDis tance AssistDIS TRONI C
Au tomatic drivin glights ........... ...............110
Au tomatic engine star t(E CO star t/
sto pfunc tion) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> ........133
Au tomatic engine sto p(E CO star t/
sto pfunc tion) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> ........133 Inde
x47
5

Clim
atecontr ol
3- zo ne aut omat icclim atecon trol
pane l............ .................................. .....1 22
Ac tivati ng/d eactiv ating ........... ............123
Ac tivati ng/d eactiv ating theA/C
func tion (cont rolpanel) .......................1 23
Ac tivati ng/d eactiv ating theA/C
func tion (multimedia system) .............. 123
Ac tivati ng/d eactiv ating thesync hro‐
nizat ionfunc tion (multimedia sys‐
te m) ..................................................... 124
Air dist ribution settings ........................ 124
Air -reci rculati onmod e.................... .....1 24
Au tomatic control..... ...........................123
Climat est yle func tion .......................... 123
Fil ling cap acityforPA Goil ...................4 09
Fr ont airvents <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ............125
Ionization ............................................. 124
No te <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 122
Re ar air vents <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .............125
Re ar oper atingunit .............................. 122
Re frig er ant .......................................... 408
Re frig er ant filling capac ity...................4 09
Re mo ving condensatio nfrom the
windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 124
Re sidua lheat ....................................... 124 Se
tting theclimat est yle ......................1 23
Ve ntil ating theve hicle (convenie nce
op eni ng) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>70
Wi ndsh ield hea ter ..... ...........................125
Clim atest yle
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>123
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 123
Coc kpit .........................................................6
Ov ervie w .......................................... .......6
Cof feecup symbol
see ATTENTION ASSIST
COMAND see Multimedia system
COMAND Touc h
Mana gingdevices .............................. ..241
Comb inationswitc h................................ 110
Com pass ...................................................2 71
Com puter
see On-boar dcom puter
Conne ctionstatus
Displ aying ...................................... ...... 296
Ov ervie w ........................................ .....2 95 Co
nne ctivi ty
Switc hingtransmi ssionof theve hicle
position on/off.................................... 238
Cont acts ................................................... 280
Call ingup ............................................ 281
Dele ting ............................................... 282
Do wnloading (from mobile phone) ...... 280
Im por ting ............................................. 281
Im por ting (ove rview) ............................ 281
Inf ormatio n.......................................... 280
Makin gacall .......................................2 82
Na me form at .......................................2 81
Op tions ................................................ 282
St or ing ................................................ 282
Contr oller
Oper ating ............................................ 229
Con venience closing featur e....... ............. 71
Con venience opening ................................ 70
Coolant (engine)
Chec kleve l.......................................... 341
Fillin gcapac ity.....................................4 07
No tes ................................................... 407
Cop yright
Licenses ................................................ 29 Inde
x47
9

0049
Automatic HeadlampMode
Inoper ative..... ..... ................................ 457
Au xiliary Batt eryMal functi on............... 441
Bli nd Spo tAssi stCur rentl yUna vaila‐
ble See Opera tor's Manua l...... ............ 432
Blind SpotAssis tInoper ative..... ...... .... 429
Blind SpotAssis tNo tAv ailable When
To wing aTr ailer SeeOperat or'sMan ‐
ual .......................................................4 29
0027Che ckBrak eFlu idLevel...............4 19
Chec kBr ak ePa ds See Oper ator's
Manual ................................................ 427
Chec kCoolant LevelSee Oper ator's
Manual ................................................ 434
00B2Chec kEn gine OilLevel(A dd 1
qu art) .................................................. 439
0049Chec kLef tLo wBeam (Exam‐
ple) ...................................................... 456
0077Chec kTire s ................................. 442
00B2 CheckWa sher Fluid .................... 455 00ACCoola
ntTooHo tSt op Vehicle
Tu rn Engi neOff............ ........................ 436
Cr uise Contr olInop erati ve <0011001100110011001100110011001100110011001100110011001100110011
00110011> 432
Cr uise Contr olOff<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 432
0025C urrentl yUna vailable SeeOper‐
at or's Manual .......................................4 21
00E5 Currentl yUna vailable SeeOper‐
at or's Manual .......................................4 14
Decr ease Spe ed............ ............. .........445
Dese rtDr ive Pr ogr am Act.ESP
Un available SeeOper ator' sMan ual.... 449
00F8 Differe nt. Loc kSy s.Ma lfunc‐
tio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ...450
00F8 Differe nt. Loc king Sys.Co oling
Do wn Plea se Wa it................................ 452
Dif fere ntia lLoc kEng aged ABS and
ESP Unavailable .................................. 448
Dis eng ageLO WRANGE Differe ntia l
Loc ks<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 450
ÁDon't Forget Your Key.................. 447 Dr
iver' sDoo rOp en &Trans miss ion
No tin PRisk ofVehicle Rolling Away ... 441
00B3 EngineOilLe velCann otBe
Mea sured <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>..437
00B2Engine OilLevelLo wStop Vehi‐
cle Turn Engi neOff............ ..................438
00B2Engi neOilPr ess ureSt op Switc h
Of fEngin e...........................................4 38
00B2Engine OilReduce OilLevel.........4 37
Fo rding NotPo ssible Service
Re quired .............................................. 453
0075Fr ontLeftMalfunction Service
Re quired (Exam ple) .............................4 26
Fr ont Passeng erAirbag Disabled See
Oper ator's Manual ...............................4 24
Fr ont Passeng erAirbag Enabled See
Oper ator's Manual ...............................4 23
Fr ont/ Rear Dif fere ntia lLoc kSy stem
Malfunct ion......................................... 447
00B6 FuelLevelLo w .............................4 37 482
Index