
*NO
TEDama getothee xterio rlighting
due tounsuit able wind shieldwasher fluid
Uns uitable wind shieldwasher fluid ma ydam‐
ag et he plastic sur face of thee xterio rlight‐
ing.
#Onl yuse windshield washer fluid that is
also suitable forp last ic sur faces, e.g.
MB SummerFi torMBWinterFit.
*NO
TEBlocked spr aynozzles caused by
mixing windshieldw asherfluids
#Do notmixMB SummerFit and MB Win‐
te rFit wit hother windshield washer flu‐
ids.
Do no tuse distilled or de-ionize dwater as thef ill
le ve ls ensor ma ybetriggered er roneously.
Re commended windshield washer fluid:
RAbo vefreezing point :e.g. MB SummerFit
RBelo wfreezing point :e.g. MB WinterFit
Fo rthe cor rect mixing ratio refertot he informa‐
tion on thea ntif reeze reser voir. Mix
thew asherf luid wit hthe windshield washer
fl uid all year round.
Note sonr efrigerants
Observethen otes on operating fluids
(→pag e344).
* NO
TEDama gedue toincor rect refriger‐
ant
If an on-appr ovedrefrigerant is used, thec li‐
mat econtrol sy stem ma ybedamaged.
#Onlyusether efrigerant R‑134a
* NO
TEDama getothec limat econtrol
sy stem due toincor rect refrigerant com‐
pressor oil
#Onl yuserefrigerant compressor oil that
has been appr ovedbyM ercedes-Benz.
#Do notmixthea ppr ove drefrigerant
compresso roil wit had iffe re nt refriger‐
ant compressor oil.
Wo rkon thec limat econtrol sy stem ma yonlyb e
car ried out byaq ualified specialis tworks hop. All
applicable regulations, as well as SAEs tandard
J639, mus tbeadhered to.
:Wa rning symbols
;Re frigerant filling capacity
=Applicable standards
?PA Go il par tnumber
AType of refrigerant
Wa rning symbols :advise youa bout:
RPossible dangers
RHaving service workcar ried out at aqualified
specialis tworks hop
Tech nica ldata 34
9

Displaymessages
Possible causes/consequences and MSolutions
Traffic Sign Assist Camera
View Restricted See Opera-
tor's Manual *T
he camer aviewisr educed. Possible causes are:
RDir tont he windshield in thec amera's field of vision
RHeavy rain, sno worfog
Driv ings ystems and driving saf etys ystems ma ybem alfunctioning or temp orarily una vailable.
When thec auses no longer apply ,driving sy stems and driving saf etys ystems ar eavailable again.
If th ed ispla ymessag edoes no tdisappear:
#Pull overand stop thev ehicle safely ,paying attention toroad and traf ficc onditions.
#Cleant he windshield.
Traffic Sign Assist Cur-
rently UnavailableS ee
Operator's Manual *T
raffic Sign Assis tistemporaril yunavailable.
#Driv eon.
When thec auses no longer appl y,thes ystemw ill be available again.
Traffic Sig nAssist Inopera-
tive *T
raffic Sign Assis tismalfunctioning.
#Visit aq ualified specialis tworks hop.
37 2
Displ aymessage sand warning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
Active Lane Keeping Assist
Currently Unavailable See
Operator' sManual *A
ctiv eLane keeping Assis tistemporarily una vailable.
The ambientc onditionsareoutside thes ysteml imits (
→pag e190).
Ve hicles with Steering Pilo t:The camer aviewm aybe restricted bythew indshield.
#Driv eon.
As soon as thea mbient conditions ar ewithin thes ystem limits, thes ystemw ill become available again.
If th ed ispla ymessag edoes no tdisappear on vehicles wit hSteering Pilo t:
#Pulloverand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions.
#Cleant he windshield.
Active Lane Keeping Assist
Inoperative *A
ctiveLane Keeping Assis tismalfunctioning.
#Visit aq ualified specialis tworks hop.
Displa ymessages and warning/indicator lamps 37
3

Displaymessages
Possible causes/consequences and MSolutions
Active Lane Keeping Assist
Camera View Restricted
See Operator' sManual *V
ehicles without Steering Pilo t:
The camer aviewisr educed. Possible causes are:
RDir tont he windshield in thec amera's field of vision
RHeavy rain, sno worfog
Driv ings ystems and driving saf etys ystems ma ybem alfunctioning or temp orarily una vailable.
When thec auses no longer apply ,driving sy stems and driving saf etys ystems ar eavailable again.
If th ed ispla ymessag edoes no tdisappear:
#Pull overand stop thev ehicle safely ,paying attention toroad and traf ficc onditions.
#Cleant he windshield.
Blind Spot Assist Currently
UnavailableS ee Operator's
Manual *B
lind Spo tAssis tist emporaril yunavailable.
The sy stem limits ha vebeen reached (
→pag e188).
#Driv eon.
When thec auses no longer appl y,thes ystemw ill be available again.
or
#If th ed ispla ymessag edoes no tdisappear ,pull ove rand stop thev ehicle while paying attention toroad and
traf ficc onditions and restar tt he engine.
#If necessar y,clean thes ensor sintherear bumper.
37 4
Displ aymessage sand warning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
b
SwitchOff Lights *Y
ou ar eleaving thev ehicle and thel ights ar eswitched on.
#Turn thel ight switc htotheà position.
b
Auto Lamp Function Inoper-
ative *T
he light sensor is faulty.
#Consult aqualified specialis tworks hop.
b
Adaptive Highbeam Assist
Camera View Restricted
See Operator's Manual *T
he camer aviewisr educed. Possible causes are:
RDir tont he windshield in thec amera's field of vision
RHeavy rain, sno worfog
Driv ings ystems and driving saf etys ystems ma ybem alfunctioning or temp orarily una vailable.
When thec auses no longer apply ,driving sy stems and driving saf etys ystems ar eavailable again.
If th ed ispla ymessag edoes no tdisappear:
#Pull overand stop thev ehicle safely ,paying attention toroad and traf ficc onditions.
#Cleant he windshield.
394
Displa ymessages and warning/indicator lamps

Unlockin gsetting .................................. 56
Un lockin gthe vehicle ............................6 0
Kic kdow n................................................ .138
Using ................................................... 138
Knee airbag ................................................ 37
L
Labelin g(tires)
see Tire labeling
Laden Definitions .......................................... .328
Lamp see Interior lighting
Lam p(inst ru men tdisplay)
seeW arning /indicator lamps
Language Notes. ................................................. 229
Setting. ................................................2 29
LA TC H-type (ISOFIX) child seat
attachment
Installing ................................................ 49
No tes. .................................................... 48 Light and visibility
Infrared reflectiv ewindshield ............... 121
Lighting see Lights
Lights ........................................................ 110
Ad aptiv eHighbeam Assis t................... 112
Au tomatic driving lights ........................ 111
Combination switch .............................111
Corne ring light functio n....................... 112
Hazard warning lights. .......................... 112
Headla mpflashing. .............................. 111
High bea m............................................ 111
Instrument display ............................... 197
Light switc h.........................................1 10
Lo wb eam ............................................ 110
Pa rking lights. ...................................... 110
Re ar fogl ight ... .....................................1
11
R
e sponsibility forl ighting sy stems ...... .110
St anding lights. .................................... 110
Tu rn signal light .................................... 111
Limited Warranty
Ve hicle .................................................. 26
Load inde x(tires) .................................... 326
Load ratin g(tire s) ................................... 326 Loading guidelines
.................................... 94
Loading information table ......................319
Loads Securing ................................................ 94
Lo wb eam
Swit ching on/of f................................. .110
Lo weri ng
Ve hicle ................................................ 338
Lu bricant additives
see Additives
Lu ggage
Securing ................................................ 94
Lu mbar support
seeL umbar suppor t(4-w ay)
Lu mbar suppor t(4-wa y) ........................... 85
M
Main function Calling up ............................................ 220
Maintenance Vehicle ................................................... 21
Index425

Operable functions .............................. 207
Operating safety. ................................ .206
Ra dio commands .................................2 13
Switc hcommands ............................... 208
Te lephonec ommands......................... .212
Te xt message commands ..................... 214
Ve hicle commands ...............................2 15
Vo ice prom pting .................................. 207
Vo ice control sy stem
see Voice Cont rolS ystem
W
Wa rning and indicator lamps
PA SSENGER AIR BAG. ............................ 41
Wa rning lamp
see Warning/indicator lamps
Wa rning sy stem
see Anti- theftp rotection
Wa rning/indicator lamp
!AB Swarning lam p....................... 40 2
$ Bra ke warning lam p(USA) .......... .398
JBrakes warning lam p(Canada) .... 398
?Coolantw arning lamp................. 40 8·
Dis ta nce warning lam p............... .405
#Elect rical malfunction warning
lam p................................................... .409
;Engine diagnosis warning lam p... 40 7
å ESP
®OF Fw arning lam p............. .403
÷ESP®wa rning lam p............. 399, 40 2
8 Fuelreser ve wa rning lam p......... .409
ÐPo wersteering sy stem warning
lam p................................................... .406
!Re dindicator lamp, elect ric
parkin gbrake applied (Canada only) .. .400
FRe dindicator lamp, elect ric
parkin gbrake applied (US Aonly) ........ 400
6Re stra int sy stem warning lam p... 40 1
7 Sea tb eltw arning lam p............... 40 4
h Tire pressur emonitoring sys‐
te mw arning lam p.........................
410, 411
!
Ye llo we lect ricp arkin gb rake
indicator lam pismalfunctionin g......... 40 0Wa
rning/indicator lamps .......................396
Instrument displa y(ove rview) .................. 8
Overvie w............................................. 39 6
Wa rranty .................................................... 26
Wa sher fluid
see Windshield washer fluid
Wa shing byhand (care) .......................... 285
We bbrows er
Calling up awebsit e........................... .253
Calling up option s............................... 25 3
Call ingups ettings ............................... 254
Closing ................................................ 254
Deleting Interne tfavo rite s. ..................2 54
Del eting theI nterne thisto ry ................ 254
Overvie w............................................. 253
Setting Interne tfavo rite s. .................... 254
We bsite
Calling up ............................................ 253
Wheel chock
St orag elocation ..................................2 93
Whee lrotation ........................................ .333
Wheels Care .................................................... 287
Index 439

Changing............................................. 33 4
Ch anging hub caps .............................. 334
Che cking .............................................. 311
Checkin gthe tir epressur e(man‐
ually) ................................................... .316
Checkin gthe tir epressur e(tirep res‐
sur em onitoring sy stem) ..................... .317
Definitions ........................................... 328
DO T,Tire Identification Number (TIN)
.............................................................3 24
Fla ttire. ............................................... 294
Loadi ndex........................................... 326
Loadr ating ......................................... .326
Maximum tir eloa d. ............................. 325
Maximum tir epressur e....................... 325
MOExtende dtires ................................ 294
Mounting ............................................. 337
Noise .................................................... 311
No tesoni nstalling .............................. .331
Overvie woftirel abeling ......................3 23
Re moving ............................................ 337
Re placing .............................................3 31
Re startin gthe tir epressur emonitor‐
ing sy stem .......................................... .318
Ro tating ............................................... 333
Selection .............................................3 31Sno
wchains ........................................ 312
Spee drating ................. ......................
.326
St oring ................................................ 334
Te mp eratur egrade .............................. 323
Ti re and Loading Info rmatio nplacar d..3 19
Ti re characteristic s............................. .326
Ti re pressur e(No tes) ........................... 312
Ti re pressur emonitoring sy stem
(function) ............................................. 316
Ti re pressur etable .............................. .314
Ti re Quality Grading ............................. 323
Ti re size designation ............................3 26
TIREFIT kit ...........................................2 95
Tr action grade .................................... .323
Tr ead wear grade ................................ .323
Un usual handlingc haracteristics .........3 11
Wi -Fi
Overvie w............................................. 226
Setting .................................................2 27
Setting up ahotspo t............................ 228
Wi ndo wairbag .......................................... .37
Wi ndo ws
Closing. ................................................ .70
Opening ................................................ .70 Wi
ndo ws(Care) ...................................... .287
Wi ndshield
....................................... .116,122
Defrosting ............................................ 122
Infrared reflectiv e................................ 121
Re placing thew iper blades .................. 116
Wi ndshield
see Windshield
Wi ndshield heater ................................... 125
Wi ndshield heating
see Windshield hea ter
Wi ndshield washer fluid .........................3 48
No tes. ................................................. 348
Wi ndshield washer sy stem
Re filling .............................................. .283
Wi ndshield wipers
Ac tivating/deactivating .......................1 15
Re placing thew iper blades .................. 116
Wi nter
Sno wchains ........................................ 312
Wi nter operation
Sno wchains ........................................ 312
44 0
Index