
Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Elect ronic RearAxleDiffer -
ent ialLock Currently
Unavailable *T
heelectr oniclocking differe ntia lis ove rheat ed. #
Letth eelectr oniclocking differe ntia lcool down bydriving defensiv ely.
Rear Spoiler ControlSys-
tem Inoper ative *T
herear wing cannotre ac hth eend position during retracti onand extends again if po ssi ble.
The vehicle's speedmaybe restrict ed.
If re tracti onofthere ar wing isbloc ked, e.g. byice: #
Ensur eth at thecause ofthebloc kage has been remo ved. #
Switc hof fth eengine andlockth eve hicle. #
Startth eve hicle afte ra fe w min utes.
The rear wing willmovetotheor iginal position .
If th epr oblem persistsor thecause cannotbe detected: #
Consul ta qu alif ied spec ialistwo rkshop.
Rear Spoiler Inoperative
Limit XXXmph *T
hevehicle's speedislimit edtotheva lue displa yed. Ther efor e, there ar wing cannotre ac hth eend position during
ex tensi on and only extends asfaras ispossi ble.
If ex tensi on ofthere ar wing isbloc ked, e.g. byice: #
Ensur eth at thecause ofthebloc kage has been remo ved. #
Switc hof fth eengine andlockth eve hicle. 360
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Consult aqu alif ied spec ialistwo rkshop.
Stop Vehicle LeaveEngine
Running WaitTransmission
Cooli ng *T
hetransmission isove rheating. Pullingaway ma ybe temp orarily im pair edornotpossible. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng. #
Lea vetheengine running . #
Waitunt ilth edispla ymessag edisappear sbef orepulling away.
0080 Trans. OilOverheated
Drive onwith Care *T
ransmi ssion positio nM and thete mp orarymanual driving progr am areno long eravailable. Theengineoutput is
re duced dependin gon theove rheating. #
Letth etransmission oilcool down bydriving defensiv elyuntil thedispla ymessag edisappear s.
Auxiliary BatteryMalfunc-
tion *T
heauxilia rybatt eryfo rth etra nsmiss ionisno long erbeing charge d. #
Consult aqu alif ied spec ialistwo rkshop. #
Untilthen, alwaysselect parkposition 005Dmanually beforeyo uswit choffth eengine. #
Beforelea ving theve hicle, apply theelectr icpar king brak e. Displa
ymessag esand warning/ indic ator lam ps 36
7

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Decr ease Speed *A
tle as tone tireisov erheating. Theaffect ed tires aredispl ayed inred. At temp eratur esclose tothelimit value, the
tir es aredisp laye din yello w. &
WARNIN GRisk ofan acci dent from drivi ng with ove rheat edtires
Ov erheat edtires can burst. #
Reduce speed sothat thetir es cool down. Engine
oil Displa
ymessag es
Possible causes/conseq uencesand0050 0050
Solutions
00B3 Check Engine OilLevel
(Add 1quart) *T
heengine oilleve lhas dropped totheminimum leve l.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntengi neoil #
Avoid long journeys wit hins ufficie ntengi neoil. #
Whe nne xt refuel ing, add 1.1 US qt(1l)of engine oil(/ page27 5).
No teson engine oil(/ page34 1). Displa
ymessag esand warning/ indic ator lam ps 395

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00B3 En gine OilReduce OilLevel *T
heengine oilleve lis toohigh.
* NO
TEEngi nedama gecau sed bydriving withexc ess engine oil #
Avoid long journeys wit hex cess engineoil. #
Consul ta qu alif ied spec ialistwo rkshop immediat elyand have theengine oilleve lre duced.
00B3 En gine OilLevel LowStop
Vehicle TurnEngine Off *T
heengine oilleve lis toolow.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntengi neoil #
Avoid long journeys wit hins ufficie ntengi neoil. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng. #
Swi tchof fth eengine. #
Add1.1 US qt(1l)of engine oil(/ page27 5). #
Che cktheengine oilleve l.
No teson engine oil(/ page34 1). 396
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00B3 En gine OilPressure Stop
Switc hOff Engine *T
heoilpressur eis toolow.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntoil press ure #
Avoid driving withinsuf ficie ntoil press ure. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng. #
Consul ta qu alif ied spec ialistwo rkshop.
00B3 Engine OilLevel Cannot Be
Measured *T
heelectr icalconn ection totheoil leve lsen sor has been interru pte dor theoil leve lsen sor isfaulty . #
Con sult aqu alif ied spec ialistwo rkshop. Wa
rning and indicat orlam ps Ov
ervie wof indicat orand warning lam ps Som
esy stems willperform aself -tes twhen the
ignit ionisswitc hedon.Som eindic ator and
wa rning lam psma ybr ief lylight uporflash. This
beha viorisno n-cr itical. Thes eind icat orand
wa rning lam psindic ateamalfun ction onlyif th ey light
uporflash afte rth eengine hasbeen star‐
te dor dur ing ajour ney. Dis
play messa gesand warning/ indic ator lam ps 39
7

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
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.
ÿ Coolant warning lam p(yel‐
lo w) *T
he yello wcoolan twa rning lam pis lit while theengine isrunning .
Po ssible causes:
R The temp eratur esensor ismalfunct ioning
R The charge air,tr ans miss ionoilorbat tery cool ingisfaulty #
Avoiding highloads ontheengine, drive to thenear estqu alif ied spec ialistwo rkshop.
00B9
Engine diagnosis warning
lam p *T
he 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 exc eeded andtheengine 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 as
soon astheye 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 *T
heredelect rical fault warning lam pis lit.
Ther eis afa ult intheelectr ics. #
Notethemessag eson themultifunc tiondispla y. Dis
play messa gesand warning/ indic ator lam ps 403

Ac
tiv eSte ering Assis t.............................1 84
Ac tivati ng/d eactiv ating ........... ............186
Ac tiveEmerg encyStop Assis t.............1 86
Ac tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
001100110011> 187
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>184
Sy stem limits ....................................... 184
Ac tiv eTr af fic Jam Assis t
Ac tivati ng/d eactiv ating ........... ............184
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>184
Ad aptiv ecr uise contr ol
see ActiveDis tance AssistDIS TRONI C
Ad aptiv eHighb eamAssist
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>121
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 122
Ad diti ves.................................................. 341
En gine oil............................................. 341
Fu el ...................................................... 341
Ad diti ves(engine oil)
see Additiv es
Ad diti ves(fuel)
see Fuel
Af ter-sales service center
see ASSYSTPL US Air
bag
Re duced protect ion ...............................4 6
Air cond itioning menu
Callin gup ........................................ .... 132
Air distribut ion
Se tting ............................................ .....1 31
Se tting (MBU Xmul time diasy stem) ..... 133
Air freshen ersystem
see Perfume atomiz er
Air inle t
see Air-water duct
Air pressu re
see Tire pressur e
Air vents ................................................... 136
Ad jus ting (front) ............. .....................136
Ad jus ting (rea r) ............. .......................136
Glo vebox.............................................1 37
Air vents
see Airvents
Ai r-condi tioningsystem
see Climat econ trol
Air -recir cula tion mode............................ 134 Air
-water duct .......................................... 277
Ke eping free ........................................2 77
Airb ag.........................................................4 4
Ac tivati on ........... ...................................38
Fr ont airbag (driver ,fr ont passeng er)....4 4
Ins tallation locations .............................4 4
Knee airbag........................................... 44
Ov ervie w ............................................... 44
PA SSENGER AIRBAGind icat orlam p.....4 9
Pr otect ion ..............................................4 5
Sid eairba g<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 44
Wi ndo wcur tain airbag ...........................4 4
Air flow
Se tting .................................................1 31
Alar m
see Panic alar m
Al ar m system
see ATA(anti-t heftal ar m system)
All-wheel drive
see 4MA TIC
Ambient lighting
Se tting (multimedia system) ................1 23 Inde
x41
5

De
tectin ginat tentiv eness
see ATTENTION ASSIST
Diagnos ticsconnec tion............................2 7
Digita lOp erator' sMa nua l........................ 20
Dingh yto wing
see Tow- bar system
Displa y(car e)...........................................2 82
Di spla y(MBUX multimedia system)
Hom escr een .......................................2 34
Di spla y(multime diasystem) .................2 35
Oper ating .............. ..............................235
Di spla y(on -boar dco mp uter)
Displ ayson themultifunc tiondispla y.. 230
Displa ymessag e.....................................3 49
Ca lling up (on-boa rdcom puter) ...... ..... 349
No tes ............ ...................................... 349
Displa ymessag es
00B2 ---mp h...................................... 374
ç -- -mp h...................................... 374
003D 12VBatt erySee Oper ator's
Manual ................................................ 389 00D7
48VBatt erySee Oper ator's
Manual ................................................ 390
: ActiveHea dlamps Inoperati ve .... 356
é ATTENTION ASSISTInoper ative.. 373
é ATTENTION ASSIST: Take a
Br ea k! <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>.........374
: Automatic HeadlampMode
Inoper ative..... ..................................... 356
0027 CheckBr ak eFlui dLe vel.............3 72
0026 CheckBr ak ePa ds See Oper a‐
to r's Manua l...... .................................. 373
00BD CheckCoolan tLe velSee Oper‐
at or's Manual ...................................... 363
00B3 CheckEn gine OilLevel(A dd 1
qu art) .................................................. 395
: CheckLef tLo wBeam (exa m‐
ple) ...................................................... 355
0077 CheckTire s ................................ 393
00B2 CheckWa sher Fluid ...................3 62 ÿ
Coolant TooHo tSt op Vehicle
Tu rn Engi neOff............ ........................ 363
00CE Current lyUn available Camera
Vi ew Restrict ed <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> .......380
ç Current lyUn available Radar
Sen sorsDir ty ...................................... 379
0025 Currentl yUna vailable See
Opera tor's Manua l..... ..........................3 84
00E5 Currentl yUna vailable See
Opera tor's Manua l..... ..........................3 86
Á Don't Forget Your Key................ 354
00CC Drive Mor eSlo wly ...................... 383
00B3 Engin eOil LevelCann otBe
Mea sured <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>..397
00B3 Engine OilLevelLo wStop Vehi‐
cle Turn Engi neOff............ ..................396
00B3 EngineOilPr es su re Stop
Switc hOf fEngin e................................ 397
00B3 EngineOil Reduce OilLevel........ 396 In
de x 42
1