RMaximum tirepressur e(→page325)
Checking thet irep ressur emanually
#Read thet irep ressur efor thec urrent operat‐
ing conditions from thet irea nd loading infor‐
mation table or thet irep ressur etable.
Obser vethen otes on tir epressure.
#Re mo vethev alvec ap of thet iretob e
ch ecked.
#Press thet irep ressur egaug esecurel yonto
th ev alve.
#Read thet irep ressure.
#Ifth et irep ressur eisl owerthan ther ecom‐
mended value, inc rease thet irep ressur eto
th er ecommende dvalue.
#Ifth et irep ressur eish igher than ther ecom‐
mended value, release air .Todos o, press
down them etal pin in thev alve, e.g. using
th et ip of apen fore xamp le. Then checkt he
tir ep ressur eagain usingt he tirepressure
ga uge.
#Sc rewt he valvec ap ont othe valve. Fu
rther related subjects:
RNo tesont irep ressur e(→page312)
RTire pressur etable (→pag e314)
RTire and Loading Info rmatio nplacard
(→pag e319)
Tire pressur emonitoring sy stem
Fu nction of thet irep ressur emonitoring sys‐
te m
&
DANG ER Risk of accidentd uetoincor‐
re ct tir epressure
Ever ytire, including thes par e(if pr ovided),
should be checkedw hen cold at leas toncea
mont hand inflated tothep ressur erecom‐
mended bythev ehicle manufacturer (see
Ti re and Loading Info rmatio nplacar dont he
B-pi llaronthed rive r’ss ide or thet irep res‐
sur elabel on thei nside of thef uel filler flap
of your vehicle). If your vehicle has tires of a
dif fere nt size than thes ize indicated on the
Ti re and Loading Info rmatio nplacar dort he
tirep ressur etable, youn eedtod etermine
th ep roper tir epressur efor those tires.
As an added saf etyf eature, your vehicle has
been equipped wit hatirep ressur emonitor‐
ing sy stem (TPMS) that illuminates alow tire
pressur eindicator lam pwhen oneorm oreo f
yo ur tires ar esignif icantl yunderinflated.
Ac cordingly ,ifthe lo wtirep ressur eindicator
lam plights up, yous hould stop and check
yo ur tires as soonasp ossible, and inflate
th em tothep roper pressure. Driving on a
significantly underinflated tir ecauses thet ire
to ove rheat and can lead totiref ailure.
Und erinflation also increases fuel consump‐
tion and reduces tir etread life, and may
af fect thev ehicle's handling and braking abil‐
ity .P lease no tethat theT PMS is no tasubsti‐
tut efor proper tir emaintenance, and it is the
driver's responsibility tomaintain cor rect tire
pressure, evenifu nderinflatio nhasnot
re ached thel evel to trig gerillumination of
th eT PMS lo wtirep ressur eindicator lamp.
Yo ur vehicle has also been equipped wit ha
TPMS malfunction indicator toindicat ewhen
316
Wheels and tires
Aftery ou ha vedriven foraf ewminutes, the
sy stem checks whe ther thec urrent tir epres‐
sure sarewithin thes pecified range. The cur‐
re nt tir epressures ar ethen accep tedasr ef‐
erence values and monitored.
Be sur etoalso observ ethe following fur ther
re lated subjects:
RNo tesont irep ressur e(→page312)
Ra dio-type appr oval of thet irep ressure
moni toring sy stem
Ra dio equipment appr oval number
Countr yRadio equipment appr oval
number
Canada
USA FCC ID: MRX
AG5SP4
FCC ID: MRXMFR
IC: 2546A -AG5SP4
Loading thev ehicle
Tire and Loading Information placard
&
WARNING Risk of accident from overloa‐
ded tires
Overloaded tires ma yoverheat and bur stas a
consequence. Overloaded tires can also
impair thes teering and handling characteris‐
tic sa nd lead tobrak efailure.
#Obser vethel oad rating of thet ires.
#The load rating must be at leasthalf the
permissible axle load of thev ehicle.
#Nevero verload thet ires by exc eeding
th em aximum load.
The Tire and Loading Info rmatio nplacar diso n
th eB -pillar on thed rive r's side of thev ehicle.
1Tire and Loading Info rmatio nplacard
Wheels and tires 31
9
Even ifyouh avec alculated thet otal load care‐
full y,yo us hould still mak esuret hat them axi‐
mum permissible gross mass and them aximum
permissible axle load of your vehicle ar enot
exc eeded. De tails can be found on thev ehicle
identification plate.
#Ha ve your loaded vehicle –including driver,
occupants and load –weighed on avehicle
we ighbridge.
The measured values ma ynotexc eed the
maximu mpermissible values stated on the
ve hicle identification plate. Fu
rther related subjects:
RCalculation example ford eterminingt he max‐
imum load (→pag e321)
RTire and Loading Info rmatio nplacard
(→pag e319)
RTire pressur etable (→pag e314)
RVehicle identification plat e(→page342)
Calculation example ford eter mi ning the
ma ximum load
The following table sho wsexamples of ho wto
calculat etotal and load capacities wit hvarying seatin
gconfigurations and dif fere nt numbe rs
and sizes of occupants. The following examples
use amaximum load of 1500 lbs (680 kg).This
is fori llustratio npurposes on ly.Mak esure
yo ua reusingt he actual load limit fory our vehi‐
cle stated on your vehicle's Tire and Loading
Info rmatio nplacar d(
→page319).
Th eh igher thew eight of all theo ccupants, the
smaller them aximum load forl ug gage .
Ste p1
Example 1E xamp le 2
Combine dmaximum weight of occupant sand
cargo (dat afromt heTire and Loading Info rma‐
tio np lacard) 15
00 lbs (680 kg)1 500 lbs (680kg)
Wheels and tires 321
RAttemp eratures belo w45°F(7°C), use win‐
te rt ires or all-seaso ntires mar kedM +Sfor
all wheels.
Wi nter tires bearing thei snowflak esym‐
bol in addition totheM +S marking pr ovide
th eb estp ossible grip in wintr yroad condi‐
tions.
RFo rM +S tires, only use tires wit hthe same
tread.
RObser vethem aximum permissible speed for
th eM +S tir emounted.
If th is is belo wthe vehicle's maximum speed,
th is mus tbeindicated in an appropriat elabel
in thed rive r's field of vision.
RBreak-in ne wtires at moderat espeeds for
th ef irst 60 mile s(10 0k m).
RReplace thet ires af ters ixyearsatt he latest,
re ga rdless of wear.
RWhen replacing with tires that do no tfea‐
tu re run-flat characteristics: vehicles with
MOExtended tires ar enotequipped wit ha
TIREFIT kit at thef actor y.Equi pthe vehicle
wit haT IREFIT kit af terr eplacing wit htires th
at do no tfeatur erun- flat characteristics,
e.g .winter tires.
Fo rm orei nformation on wheels and tires, con‐
ta ct aq ualified specialis tworks hop.
Be sur etoalso observ ethe following fur ther
re lated subjects:
RNo tesont irep ressur e(→page312)
RTire and Loading Info rmatio nplacard
(→pag e319)
RTire pressur etable (→pag e314)
Note sonr otating wheels
&
WARNING Risk of injury thro ugh dif fer‐
ent whee lsizes
Inter changing thef ront and rear wheels if the
wheels or tires ha vediffere nt dimensions
ma yseverel yimp air thed riving characteris‐
tics.
The wheel brakes or wheel suspension com‐
ponent smayalso be damaged.
#Rotate front and rear wheels only ifth e
wheels and tires ar eofthe same dimen‐
sions.
The wear patte rnsont he front and rear wheels
dif fer:
RFr ont wheels wear mor eonthe shoulder of
th et ire
RRear wheels wear mor einthe center of the
tire
On vehicles that ha vethes ame size front and
re ar wheels,r otatet he wheels according tothe
inter vals in thet irem anufacturer's warranty
book in your vehicle documents. If this is not
av ailable, rotate thet ires every
3000 to6000 mile s(5000to1 0000 km),
depending on thew ear.Ensuret hat thed irection
of rotatio nism aintained.
It is impe rativ etoo bservethei nstruction sand
saf etyn otes on "Wheel change" when doings o.
Wheels and tires333
Functio n................................................ 79
AT TENTION ASSIST
Fu nctio n.............................................. 184
Switching on/of f................................. 186
Sy stem limitations .............................. .184
At tention assistant
see Driving sy stem
Au dio mode
Ac tivating media mod e........................ 257
Connecting USB devices ..................... 259
Co pyright ............................................. 257
Information .......................................... 256
Inserting/ removing SD memor ycard
.............................................................2 57
Media sear ch....................................... 262
Overvie w............................................. 258
Pa use and playbac kfunction .............. .259
Selecting atrack ................................. 259
Selecting playba ckoptions .................. 259
Tr ac kl ist. ............................................ .259
Au thorized Mercedes-Benz service
center
see Qualified specialis tworks hop
Au tomatic ca rwash (care) ..................... 284 Au
tomatic distanc econtrol
seeD riving sy stem
Au tomatic drivin glights .......................... 111
Au tomatic engine star t( EC Os tart/
sto pfunction) .......................................... 132
Au tomatic engine stop(EC Os tart/
sto pfunction) .......................................... 132
Au tomatic fron tpassen gera ir bag
shu toff
see Front passenger air bag shutoff
Au tomatic mir rorf olding function
Swit ching on/of f................................. 120
Au tomatic transmission
DIRECT SELEC
Tselect or lever. ............ 135
Driv eprogram displa y.......................... 134
Driv eprogram s.................................... 134
DY NA MIC SELECT switc h.................... 134
Gearshif trecommendatio n.................. 138
Kickdown ............................................. 138
Tr ansmission position displa y............. .135
Tr ansmission positions. .......................135
B
BA S(Brak eAssis tSystem)
Drivin gsafet ys ystem. ......................... 148
Battery Key. ...................................................... .57
Batter y(12 V)
Charging .............................................. 301
No tes. ................................................. 299
St artin gassis tance .............................. 301
Belt Adjusting theh eight .............................. 35
Fa stening ............................................... 35
Re leasing .............................................. .36
Bel tair bag
Ac tivation .............................................. 31
Fu nction/no tes. ....................................3 5
Blind Spo tAssis t
Ac tivating/deactivating .......................1 90
Fu nction/no tes. .................................. 188
Sy stem limitations .............................. .188
Blo wer
see Climate control
414
Index
Radiator shutters
see AIRPANEL (Care)
Ra dio
Ac tivating ............................................ 268
Calling up thes tatio nlist. .................... 270
Commands (Voice Control Sy stem) ..... 213
Del etes tatio n. .................................... .270
Direct frequency entr y........................ 270
Displ aying informatio n......................... 271
Editing statio npresets ........................ .270
Menu (on-board computer) .................. 201
Moving stations .................................. .270
Overvie w............................................. 269
Sear ching fors tations ........................ .270
Setting astatio n. ................................ .270
Setting thef requ ency band ................. 270
St oring stations .................................. .270
Switching HD radio on/of f................. .270
Ta gging music trac ks........................... 271
To displa yradio text ............................. 271
Ra dio station list
Calling up ............................................ 270
Ra dio stations
Dial (on-boa rdcompute r) ..................... 201 Ra
in closing function
Slidin gsunroof ...................................... .76
Ra nge ........................................................ 199
Re ading l
amp
see Interior lighting
Re ar door (child saf etyl ock) .................... 52
Re ar fogl ight ............................................ 111
Re ar seat
see Seat
Re ar vie wcamera
Fu nctio n............................................... 174
Re ar window
Ro ller sun blind ...................................... 69
Re ar windo wheater ................................ 122
Re ar-vie wmirro r
see Outside mir rors
Re frigerant (air conditioning sy stem)
No tes. ................................................. 349
Re fueling
Re fueling thev ehicle ........................... 138
Re porting malfunction srele vant to
saf ety .......................................................... 25 Re
scue card ............................................... 26
Re setfunction (multimedia sy stem) .....2 32
Re storing (factor ysettings)
see Resetfunction (multimedia sy stem)
Re stra int sy stem
Children ................................................ .45
Fu nctio ninana ccident .........................3 1
Fu nctionality .......................................... 31
Malfunction ...........................................3 1
Pr otection ............................................. .30
Re duced pr otection .............................. .30
Sy stem self-tes t.....................................3 1
Wa rning lam p.........................................
31
Re strict
ions
Inte rnet connection .............................2 49
Re verseg ear
Selecting ........ ..................................... 136
Re versing camera
Car e................................................... .287
Openin gthe camer acover ...... ............. 179
RF transmitters see Two-w ayradios
Rims (Care) .............................................. 287
430
Index
Roadside Assistance ................................. 21
Ro adside Assistance
see Service call
Ro adside Assistance call
see Service call
Ro ller sun blind
Re ar wind ow.......................................... 69
Sid ew indo ws ........................................ 69
Ro of lining (Care) .................................... .289
Ro of load .................................................. 351
Ro ofrack .................................................. 103
Ro uteg uidance
Na vigation ...........................................2 33
Ro uteg uidancew ith trafficr epo rts
Na vigation ...........................................2 33
Ru n-flat characteristics
MOExtended tires ................................ 294
S
Saf ety
Childr eninthev ehicle ........................... 45
Saf etyv est .............................................. .292 Satelli
te radio
Ac tivating ............................................ 272
Del eting achannel ............................... 273
Displ aying channel information ............ 274
Displ aying EPG informatio n................. 273
Displ aying service informatio n............. 274
Information ..........................................2 71
Moving achannel ................................ 273
Music and spor talerts function ........... 273
Overvie w............................................. 272
Re gis tering .......................................... 271
Re strictions ......................................... 271
Saving achannel .................................2 73
Selecting acatego ry............................ 273
Selecting achannel .............................2 73
Setting them usic and spor talerts .......2 74
Setting thep arental control ................. 273
SD memor ycard
Inserting/removing ............................. 257
Seat ...................................................... 82, 97
4-w aylumbar suppor t........................... 85
Ad justing (electrically). ..........................84
Ad justing (manually and electrically) ..... 82
Ad justing (Seat Comfort) ....................... 84Backres
t(rear passenger compart ‐
ment) fo
ldin
g forw ards .......................... 97
Cor rect driver's seatp osition ................ 81
Fo lding bac kthe backres t(rear
passenger compartment) ..................... .98
Locking theb ackres t(rear passenger
compartment) ....................................... 99
Re settingt he settings ............................8 9
Setting options ...................................... 14
Using them emor yfunction .................. .93
Seat adjustment Configuring ............................................ 87
Seat belt Activating/deactivating seat belt
adjustment ............................................ 36
Ad justing theh eight .............................. 35
Belt air bag ............................................ 35
Fa stening ............................................... 35
Re leasing .............................................. .36
Seatb elta djustment (function) ............. 35
Seat belt adjustment Activating/deactivating ......................... 36
Fu nctio n................................................ 35
Index 431
Telephonem enuoverview. ..................2 35
Te lephoneo peration ............................ 239
UsingN ear Field Communication
(NFC) .................................................. .238
Te lephone number
Dialin g(on-boar dcomputer) ................ 203
Te mp erature ............................................ 122
Te mp eratur egrade .................................. 323
Te xt messages ......................................... 242
Callin gasender .................................. .244
Command s(Vo iceC ontrol System) ..... 214
Composing .......................................... 243
Confi guring thet extm essage sdis‐
pla yed. ................................................ .243
Deleting ............................................... 244
No tes. .................................................. 242
Re ad-aloud function ............................ 243
Re ading. .............................................. 243
Re plying .............................................. .244
Sending ............................................... 243
Ti e-d owne yes................................ ...
......... 99
Time Manual time setting. ............................ 226 SettingD
aylight SavingT ime (Sum‐
mer). ................................................... 226
Setting thet ime and dat eautomati‐
call y..................................................... 225
Setting thet ime zon e.......................... 225
Setting thet ime/dat eformat .............. 226
TIN (Tir eIdentification Number) ............3 24
Ti re and Loading Information placard ....319
Ti re ch aracteristics ................................. 326
Ti re inflation compressor
see TIREFIT kit
Ti re information table .............................. 319
Ti re labeling ............................................ .323
Cha racteristics .................................... 326
DO T,Tire Identification Number (TIN)
.............................................................3 24
Load inde x........................................... 326
Load rating .......................................... 326
Maximum tir eloa d. ............................. 325
Maximum tir epressur e....................... 325
Overvie w............................................. 323
Spee drating ....................................... .326
Te mp eratur egrade .............................. 323
Ti re Quality Grading ............................. 323 Ti
re size designation ............................3 26
Tr action grade .................................... .323
Tr ead wear grade .... ...
.........................
.323
Ti re load (maximum) .............................. .325
Ti re pressure
Checking (manually) ............................ 316
Checkin g(tire pressur emonitoring
sy stem) ................................................ 317
Maximum ............................................ 325
No tes. .................................................. 312
Re startin gthe tir epressur emonitor‐
ing sy stem .......................................... .318
Ti re pressur emonitoring sy stem
(function) ............................................. 316
Ti re pressur etable .............................. .314
Ti re pressur emonitoring sy stem
Checkin gthe tir epressur e.................. .317
Fu nctio n............................................... 316
Re startin g........................................... .318
Te ch nica ldata. ..................................... 319
Ti re pressur etable ..................................3 14
Ti re Quality Grading ................................ 323
Ti re tread .................................................. 311
Index 435