
Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Have thetir epr essur emonit oring system checkedat aqu alif ied spec ialistwo rkshop. Tire
Pressure MonitorInop-
erative NoWheel Sensors *T
hewheels installed donotha ve suit able tirepr essur esensor s.The tirepr essur emonit oring system isdeactiv ated. #
Installwheels withsuit able tirepr essur esen sors.
0077 Wheel Sensor(s )Missin g *T
her eis no signal from thetir epr essur esensor ofone ormor ewheels. Nopressur eva lue isdispla yedfo rth eaf fec‐
te dtir e. #
Have thefa ulty tirepr ess uresen sor replaced ataqu alif ied spec ialistwo rkshop.
0077 Check Tires *T
hetirepr essur ein one ormor etir es has dropped significantl y.
The wheel position isdispla yed. Awa rning tone willal so sou nd. &
WARNIN GRisk ofan acci dent dueto insuf ficie nttirepr ess ure
R The tires can burst.
R The tires can wearexc essiv elyand/or unevenly.
R The driving charact eristic sas wellas thesteer ing and braking maybe greatl yim pair ed.
Yo uco uld then lose control of theve hicle. #
Obser vethere comme ndedtirepr ess ures. #
Adjus tth etir epr essur eif neces sary. Dis
play messa gesand warning/ indic ator lam ps 39
1 

Engine
Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
ÿ Coolant warning lam p *T
he redcoolant warning lam pis lit while theengine isrunning .
Po ssible causes:
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
R The coolan tpum pis faulty
If th er eis an additional warning tone, thecoolant temp eratur ehas exceeded themaximum permissible temp eratur e. &
WARNIN GRisk ofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edorwhen ther eis afire intheengine compartmen t,th e
fo llo wing situat ionsmayocc ur:
R Youco uld come intoco ntact withho tga ses.
R Youco uld come intoco ntact withot her hot,escaping operating fluids. #
Beforeopen ingthehood, allowtheove rheat edengine tocool down. #
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. 402
Displa ymessag esand warning/ indic ator lam ps 

Amb
ientlighting
Se tting (mult imediasystem).. ................1 25
Andr oidAuto
see Smar tphone integr ation
Animals Pets intheve hicle ................................... 65
Anti-loc kbr aking system
see ABS(An ti-loc kBr akin gSy stem)
Anti-skid chains
see Snowch ains
Anti -thef tpr otection
Imm obiliz er...................................... ........ 84
Ant icip ator yoccup antprotection
see PRE- SAFE®
(anticip ator yoccu‐
pa nt protect ion)
see PRE-S AFE®
PL US (antic ipatory
occupant protect ion plus)
Apple CarPla y®
see Smar tphon eint egr ation
Assis tance systems
see Drivin gsaf etysy stem
ASS YSTPL US
Batt erydi sconne ctionpe riods... ............ 272 Dis
play ing theser vice duedate............. 271
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 271
Re gular maint enance work<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 271
Speci alser vice requ iremen ts............ .... 271
ATA (anti-thef tala rm system)
Ac tivati ng/d eactiv ating theint erior
mo tion sensor .................................... ..... 87
Ar ming /disarm ing theto w- aw ay alar m... 86
Dea ctivating thealar m............................ 85
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>85
Fu nctio nof theint erior motion sensor ....8 6
The tow- aw ay alar mfun ction ............ .......8 6
AT TENTI ONASSIST
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>172
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 173
Sy stem limit ations. ........................... ..... 172
At tention assistant
see ATTENTION ASSIST
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..... ...................... 121
Au tomatic engine star t(E CO star t/
sto pfunc tion)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> .....146
Au tomatic engine sto p(E CO star t/
sto pfunc tion)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> .....146
Au tomatic fron tpass engerfr on tair‐
bag shutoff
Fu nctio nof theaut omatic front
passeng erfront airbag shutoff................ 46
PA SSENGER AIRBAGind icat orlam p....... 48
Au tomatic fron tpass engerfr on tair‐
bag shutoff
see Automatic front pass engerfront
airb agshut off
Au tomatic mirrorfo lding function
Ac tivati ng/d eactiv ating........... ..............131
Au tomatic trans mis sion
DIR ECT SELEC Tleve r..... ........................ 151
Dr ive pr og ram disp lay. <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 150
Dr ive pr og rams...... ................................148
DY NA MIC SELE CTswitc h...................... 148
Eng aging drive po sitio n............ .............153
Eng aging neutr al....... .............................152
Eng aging par kposi tion......... .................152 Inde
x41
5 

Á
KeyNo tDe tected (red displ ay
messa ge)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 356
Á KeyNo tDe tected (whit edis‐
pl ay messa ge)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 355
0075 LeftSid eCu rtain Airbag Mal‐
fun ction ServiceRe quired (Exam ple) .....3 52
00C5 Lowe ring.............. <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 381
ä Malfunctio nDr ive at Ma x.50
mp h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 380
: Malfunction SeeOperator’s
Manual... ............................................... 357
Á ObtainaNe wKe y<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 355
ç Off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 375
00D9 Off... ............................................. 373
0049 Parking Brak eSee Opera tor's
Manua l........ ..... ...... ...............................3 68
0077 Please Correct Tire Pressur e... ..... 392
0049 Please Release Parking Brak e.. .....3 71
006F Rear Lef tBac kres tNo t
La tched (exa mp le).................................3 62 Á
Replace KeyBat tery <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 355
003D SeeOperator's Manua l......... .......3 89
0075 SRSMalfunction Service
Re quired ................................................ 352
Ù Steer ing Malfunct ionIncreased
Ph ysical Effort See Operator's Manua l.. 360
Ù Steer ing Malfunct ionStop
Immediat elySee Oper ator's Manual ...... 361
003D Stop Vehicle LeaveEngi neRun‐
ning <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ....390
003D Stop Vehicle SeeOper ator's
Manual... ............................................... 389
00C4 Stop Vehicle Vehicle TooLo w....... 381
ç Suspended ................................... 375
: SwitchOf fLig hts <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 358
: SwitchOn Hea dlamps<0011001100110011001100110011001100110011001100110011001100110011
00110011> 358
0049 Turn On theIgnit iontoRelease
th ePa rking Brak e..................................3 72
0072 Vehicle Ready toDrive Swi tch
th eIgnit ionOffBef oreEx iting ............... 360 00C4
Vehicle Rising Please Wait............ 382
00C4 Vehicle Rising ...............................3 82
0077 Warning Tire Malfunction. ............ 392
0077 Wheel Sensor(s) Missing..............3 91
Ac tiveBli nd Spo tAssi stCur rently
Un available SeeOper ator' sMan ual.......3 78
Ac tiveBli nd Spo tAssi stInoper ative.... .. 379
Ac tiveBli nd Spo tAss t.No tAv ailable
When Towing aTr ailer SeeOpera‐
to r's Manua l........ .................................. 379
Ac tiveBr ak eAssi stFunctio nsCur‐
re ntl yLim ited See Operator's Manua l...386
Ac tiveBr ak eAssi stFunctio nsLim i‐
te dSee Oper ator's Manual. ...................3 87
Ac tiveDis tance AssistCur rently
Un available SeeOper ator' sMan ual.......3 75
Ac tiveDis tance AssistInoper ative.... .....3 75
Ac tiveDis tance AssistNo wAv ailable.. ..375 Inde
x42
1 

Ra
dar SensorsDir tySee Oper ator's
Manual. .................................................3 87
Re versing NotPo ssible Service
Re quired ................................................ 367
Ru nFla tIndi catorInop erati ve............... 395
Ser vice Required Do NotShif tGear s
Vi sit Dealer.... ........................................3 66
St op Vehicle LeaveEngi neRunning
Wa itTrans miss ionCoolin g.. ...................3 67
Ti re Press. Monit orCur rently
Un available ............................................ 390
Ti re Press. Monit orInopera tive... ..........3 90
Ti re Pressur eMonit orInopera tiveNo
Wheel Sensors.. .....................................3 91
Ti re sOv erheat ed................................... 393
To Dese lect Por N, Dep ress Brak e
and StartEn gin e.. .................................. 366
To switc hengine off,pr ess and hold
St art/ Stop butt onforat lea st3
secs. orpress 3times..... ......................3 63 Tr
af fic Sign AssistCamer aVi ew
Re strict ed See Operator's Manua l......... 377
Tr af fic Sign AssistCur rently Unavail‐
able SeeOperat or'sMan ual.................. 377
Tr af fic Sign AssistInoper ative..... .......... 377
Tr ans miss ionMalfun ction Stop..... ......... 367
Displa yon thewindsh ield
see Head- upDis play
Dis tance control
see ActiveDis tance AssistDIS TRONI C
DI ST RO NIC
see ActiveDis tance AssistDIS TRONI C
Do or
Ch ild sa fety lock (rear door s)............ ...... 63
Loc king(emer gency key). ................ ........ 72
Opening (from inside)... ........................... 70
Un loc kin g(emer gency key). .............. ...... 72
Un loc kin g(fr om insid e).................... .......7 0
Door controlpan el....................................... 16
DO T,Tire Iden tificat ionNumbe r(TI N)..... 318
Dr aw bar
see Tow- bar system Dr
inking anddriving... ...............................1 43
Dr ive Awa yAssis t.... .................................. 219
Dr ive Awa yAssis t
see Protect ion agains tcollision
Dr ive position
Inser ting.. ..............................................1 53
Dr ive pr og ram dis pla y........... .................... 150
Dr ive pr og rams
se eDY NA MIC SELE CT
Dr iver's seat
see Seat
Dr iving safetysy stem
AB S(An ti-loc kBr akin gSy stem) .............1 67
Ac tiveBr ak eAssi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 186
BA S(Br akeAssi stSystem) ..................... 167
Cameras. ...............................................1 65
EBD (electr onic brak efo rc edis tribu‐
tion ).......................................................1 70
ESP ®
Cr ossw indAssis t............ .............. 168
ESP ®
trai le rst abiliz ation........................ 168
Ov ervie w.. ............................................. 166
Ra dar and ultrasonic sensors................ 165
Re sponsibili ty... .....................................1 65 Inde
x423 

Fo
ilco vering
Ra dar and ultrasonic sensors................ 165
Fr ag rance
see Perfume atomiz er
Fr ee sof tware.. .......... .................................. 35
Fr eq uencies
Tw o-w ayradio .................................. .....3 38
Fr ont airbag (driver ,fr ont passeng er).......4 3
Fr ont passeng erseat
see Seat
Fu el
Ad ditiv es.................. ........................ .....3 43
E1 0............. ...........................................342
Fu elreser ve<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 344
Ga sol <004C005100480011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 342
Qua lity (gas oline ).<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 342
Re fuel ing.... ...........................................1 55
Sulfu rcont ent............ ........................... 342
Ta nk cont ent<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ................344
Fu nction seat
see Door controlpanel
Fu ses
Bef orere placing afuse .......................... 301 Dashboar
dfuse box.............................. 303
Fu se assignment diagram...................... 301
Fu se boxin thecar gocom partmen t...... 304
Fu se boxin theengine compartmen t.... 302
Fu se boxin thefront -passen gerfo ot ‐
we ll................................................... .... 304
No tes... ............................................. ..... 301
Fu ses
see Fuses G
Gar agedoor opener
Clea ring thememor y.... .........................1 61
Opening orclosing thedoor.. ................. 161
Pr ogr amming buttons. ........................... 159
Re sol ving problems ................................ 161
Sync hronizi ngthero lling code.. .............1 60
Gasol ine......... ............................................342
Gear shiftre comm endation......................1 54
Genuin epar ts........ ...................................... 22
Glide mode...... ........................................... 154 H
Handbr ake
see Electr icpar king brak e
Handlin gch aract eristics (unus ual)....... ..305
HAND S-FREEAC CESS .................................. 76
Hazar dwa rning light s...............................1 22
Hazar doussubstances
Inf ormatio n............ .................................. 25
Head restra int
Fr ont (adjus tingmechanicall y)................ 92
Re ar (installin g/remo ving).......................9 3
Re ar passe nger com partment
(adj ustin g)...............................................9 3
Head-up Display
Ad jus ting disp lay el eme nts(on-bo ard
com puter)....... ...................................... 229
Ad jus ting thebr ightn ess(on-boar d
com puter).. ...........................................2 29
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>228
Menu (on-bo ardcom puter)....... ............ 229
Oper ating thememor yfunc tion............ 100
Se tting theposition (on-boar dcom‐
put er)....................................................2 29 426
Index 

Swi
tching on/of f.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 230
Head lamps
see Automatic driving lights
Headlin er(car e)..... ....................................2 83
Heatin g
see Clima tecontr ol
Hel pcal l
see Mercede s-Benz emergency callsy stem
High beam
Ac tivati ng/d eactiv ating........... ..............121
High-be amflasher .....................................1 21
High-be amheadlam ps
Ad aptiveHig hbeam Assis t..................... 123
Hill star tassi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 171
HOLD functio n
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 170
Swi tching on/of f.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 171
Home screen (media display)
Ov ervie w... ...... ...... .............................. ..232
Hood Opening/clo sing................................ ... 272 I
Iden tificat ionplate
Engi ne............ ............. .......................... 339
Re frig er ant....... .................................... .3 46
Ve hicle. ............................................. ....3 39
Ign itio n
Switc hingon(Start/S topbutt on).... ...... 138
Ignit ionkey
see Smar tKey
Imm obiliz er..................................................8 4
Indi catorlam ps
see Warning/ indic ator lam ps
Individ ualdrive pr og ram
Con figur ing.. .......................................... 150
Sel ecting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 150
Insid ere ar vie wmir ror
see Exterior mir rors
Insp ectio n
see ASSYST PLUS
Ins trument cluster
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 225,226 In
stru men tDi spl ay
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 226
Ins trume ntclu ster ................................... 10
Wa rning/ indic ator lam ps...................... 398
Ins trum ent Displa yand on-boa rd
com puter
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 225
In te llig ent Light System
Ad aptiveHig hbeam Assis t..................... 123
Cor nering light..... <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ..........123
Int erior ligh ting
Ad jus ting ............ ................................... 125
Ambi entlighti ng........... <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> ....125
Re adin glam p.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 125
Swi tch-of fdel aytim e..... ........... .............126
Int erior motion sensor
Ac tivati ng/d eactiv ating........... ................87
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 86
In te rn et radio
see TuneIn
Io nizatio n
Ac tivati ng/d eactiv ating (MBUX mul‐
tim ediasystem) .....................................1 35 Inde
x42
7 

Bac
kres t(r ea r)loc king <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> .....105
Con figur ing these ttings. .........................9 4
Cor rect driver's seatpos iti<0052005100110011001100110011001100110011001100110011001100110011
0011001100110011> 88
Fo lding thebac kres t(r ear passeng er
com partmen t)bac k.<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 105
Fo lding thebac kres t(r ear) forw ards .....1 03
Oper ating thememor yfunc tion............ 100
Re settin gth ese ttings... ........................... 94
Se tting options <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 16
Seat belt
Car e.... ............................................. ..... 283
Pr otect ion.......................................... ...... 39
Seat beltadjustm ent
Ac tivati ng/d eactiv ating........... ................43
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 42
Se at beltwa rning
see Seat belts
Seat belts
Ac tivati ng/d eactiv ating seat belt
ad jus tment ........... ...................................43
Ad jus ting theheight... ............................. 42
Cent errear seat (releasi ng).<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 41
Fa stening.. ............................................... 42
Re duced protect ion.. ...............................4 0 Re
leasing .................................................4 3
Sea tbel tad jus tment (function) ............... 42
Wa rning lam p................................... .......4 3
Seat cover(C are)...... ............ ............. ........283
Se at hea ting
Ac tivati ng/d eactiv ating........... ................94
Seat ventilat ion
Ac tivati ng/d eactiv ating........... ................95
Se lecti ng age ar
see Changing gears
Select orleve r
see DIRECT SELECTleve r
Self-t est
Au tomatic front pass engerfront air‐
bag shut off..... .........................................4 8
Sensor s(car e)...........................................2 82
Ser vicece nter
see Qualified speci alistwo rkshop
Ser vice interva ldisp lay
see ASSYST PLUS
Se tting aspeed
see Cruise control Se
tting thema pscale
see Map
Shif tpa dd les
see Steer ing wheel paddle shifters
Shif ting gears
Gea rshif tre comme nda<0057004C00520051001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 154
Side airbag.. .................................................4 3
Side impact protection. .............................2 12
Side windo ws
Child safetyloc kin there ar
passe nger com partment. ........................ 65
Closin g....................................................7 8
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 80
Co nvenienc eclosing featur e...................8 0
Con venie nce openi ng<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ......80
Ope ning <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011>..78
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 80
Pr obl <0048005000110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 80
Ro ller sunblin d.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 84
Size designation (tires) ............................. 320
Sliding sunroof
Closing.. .................................................. 81
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 80 Inde
x435