
Information on cleaning and careAvoiding vehicl edamage
Ta ilpipes
Clean withcleaning agent srecommende dbyMercedes-Benz,
particular lyin thew inter and af terw ashing thev ehicle. Use acid-free cleaning agents.
Tr aile rhitch
RRemo verust on theb all, e.g. wit hawireb rush.
RRe mo vedirtw ithal int-free clo th.
RAf terc leaning, oil or grease theb all head lightl y.
RObservethec leanin ginstruction sinthe operating instruc‐
tions of thet railer hitc hmanufacturer. Do no
tclean theb all nec kwiths olvent sorap owerwasher.
Note sonc areoft he interior
&
WARNING Risk of injury from plastic
parts breakin goffafte rt he use of sol‐
ve nt-based car eprodu cts
Ca reand cleanin gproducts con tainin gsol‐
ve nts can cause surf aces inthec ockpit to
become porous.
When thea irbags ar edeplo yed, plastic parts
ma ybreak away.
#Do no tuse anyc areorc leaning prod‐
ucts containing sol vents toclean the
cockpit.
& WARNING Risk of injury or deathfrom
bleached seat belts
Bleaching or dyeing seat belts can se verely
we aken them.
This can, fore xamp le, caus eseat beltst o
te ar or fail in an accident.
#Ne verb lea ch or dy eseat belts.
Maintenance and care 289

Observethef ollowing information:
Information on cleaning and car eAvoiding vehicl edamage
Seat belts Clean withwarmw ater ands oap solution.
RDo notuse chemical cleanin gagents.
RDo no tdryseat belts byheating them toove r176 °F
(80 °C) or exposing them todirect sunlight.
Display Cleanthes urface carefully wi tham icro fiber clo thand
TFT/LCD displa ycleaner.
RSwit chofft he displa yand allo wtocool.
RDo notuse anyo ther cleaning products.
Plastic trim
RCleanw ithad ampm icrofiber clo th.
RIfth et rimisv eryd irty: use acleanin gagent recommen‐
ded byMercedes-Benz.
RDo no tappl ystickers,f ilms etc.
RDo no tallow cosmetics, insect repellent or sun cream to
come in contact wi th theplastic trim.
Genuine wood/t rim
elements
RClea nwitham icro fiber clo th.
RBla ckpiano-lac quer look: clean wit hadampcloth and
soap solution.
RIf th et rimisv eryd irty: use acleanin gagent recommen‐
ded byMercedes-Benz. Do no
tuse sol vent-based cleaning agents, polishe sorwaxes.
Ro of lining
Clean withabrush or dr yshampoo.
Carpet Use carpetand textil ec leaning agents recommended by
Mercedes-Benz.
290 Maintenance and care

Preceding letter1:RWithout :passenger vehicle tires according to
Europea nmanufactu ring standards.
R"P": passenger vehicle tires according toUS
manufacturing standards.
R"LT": light truc ktires accordingtoUSm anu‐
fa cturing standards.
R"T": compact emer gency spa rewheels with
high tir epressur ethat ar eonly designe dfor
te mp orar yuse in an emer gency.
Aspec tratio 3
:
Ra tio betwee ntireh eight and tir ewidth in per‐
cent (ti reheight divided bytirew idth ).
Tir ec ode4
(ti re type):R"R"r adial tire
R"D": bias ply tire
R"B": bias belted tires
R"ZR": radial tir ewitham aximum speed abo ve
14 9m ph (240 km/h) (optional) Rim diame
ter5
:
The diam eter of theb ead seat (no tthe diame ter
of ther im flange). The rimd iame teriss pecified
in inches (in).
Load-bearing index 6
Numerical codethat specifies them aximum
load-bearing capacity of atire( e.g. "91" cor re‐
sponds to1356 lbs (6 15kg)).
The load-bearing capacity of thet irem ustbea t
leas thalf thep ermissible axle load of your vehi‐
cle. Do no toverload thet ires byexc eeding the
specified load limit.
See also:
RMaximum permissible load on theT irea nd
Loading Info rmatio nplacar d(→page319)
RMaximum tir eloa d(→pag e325)
RLoad index
Spee drating 7
:
Specifies thea ppr ove dm aximum speed of the
tire. %
An electroni cspeed limiterpreve nts your
ve hicle from exceeding aspeed of 130m ph
(2 10 km/h).
Make surethat your tires ha vether equired
speed rating .You can obtain information on the
re qu ired speed rating from aMercedes-Benz
servic ecenter.
Summer tires
Inde xS peedrating
Qu pto100mph(160k m/h)
Ru pto106mph(170k m/h)
Su pto112mp h(180k m/h)
Tu pto118mp h(190k m/h)
Hu pto130mph(210k m/h)
Vu pto149mph(240k m/h)
Wu pto168mph(27 0k m/h)
Yu pto186mph(300 km/h )
Wheels andtires 327

IndexS peedrating
ZR...Y
1up to186m ph (300 km/h)
ZR...(..Y)
1ove r186 mph(300 km/h )
ZR
1ove r149 mph(240k m/h)
RSpecifying thes peed rating as the" ZR" index
in tir ecode 4is optional fort ires up to
18 6m ph (300 km/h).
RIfyo ur tir ecode4 includes "ZR"andthere
is no speed rating 7,f ind out what them ax‐
imum speed is from thet irem anufacturer.
RIf load-bearing index 6and speed rating 7
ar einb rack ets, them aximum speed rating of
yo ur tir eisa bove 186m ph (300 km/h). To
fi nd outt he maximum speed, ask thet ire
manufacturer. All-weather tires and winter tires
Inde
xS peedrating
QM +S
2upto100m ph (160 km/h)
TM +S
2upto118m ph (190 km/h)
HM +S
2upto130m ph (2 10km/h)
VM +S
2upto149m ph (240 km/h)
Winter tires bear thei snowflak esymbol
and fulfill ther equirements of theR ubber Manu‐
fa cturer sAssociation (RMA) and theR ubber
Associatio nofCanada (RAC) rega rding traction
on sno w.
Load index 8
:RNo specification given: standar dload (SL)
tire
R"XL" or "Extra Load": extral oa dt ireorr ein‐
fo rc ed tire
R"Light Load": light load tire
R"C", "D", "E": aload rang et hat depe ndso n
th em aximum load that thet irec an car ryat a
cer tain pressure
Definitions fort ires and loading
Ti re stru ctureand characteristics: describes
th en umber of la yers or then umber of rubber-
coated belts in thet irec ontact surf ace and the
tir ew all. These ar emade of steel, nylon, poly‐
es tera nd other materials.
Bar: metric unit fort irep ressure .
14 .5038 pounds per squar einc h( psi) and
10 0k ilopasca l(kPa) is thee quivalent of one bar.
DO T(Department of Transport ation):DOT
mar kedt ires fulfill ther equirements of the
US Department of Transpor tatio n.
Av erag eweight of thev ehicle occupants: the
numbe rofvehicle occupants forw hich th evehi‐
cle is designed, multiplied by150lb( 68kg).
1"ZR" stated in thet irec ode.2Or "M+S i"for winter tires
328
Wheels and tires

RRe
ar fogl ight (→pag e110)
ü Seat beltisn
otfastened
(
→pag e404)
$ USA: brakes (
→pag
e398)
J Canada: brakes (
→pag
e398)
! ABS malfunction (
→pag
e398)
÷ ESP
®(→page398)
å ESP
®OFF (→page398) F
USA: electric parking brak
eapplied
(red) (
→pag e398)
! Canada: electric parking brake
applied (red) (
→pag
e398)
! Elect
ricp arkin gb rake (yellow)
(
→pag e398)
Ð St
eering assis tance malfunction
(
→pa ge 406)
# Electrical malfunction (
→pag
e407) 6
Re
stra int sy stem (
→pag e398)
; Engine diagnosis (
→pag
e407)
8 Fu
elreser vewit hfuel filler cap loca‐
tion indicator (
→pag e407)
? Coolant
tooh ot/cold (
→pag e407)
· Dis
tance warning(
→pag e405)
h Ti
re pressur emonitoring sy stem
(
→pag e410)
Displ aymessage sand warning/indicator lamps 397

Seat belts
Warning/indicator lamp
Possible causes/consequences and MSolutions
7
Seat beltwarning lamp Af
ters tartin gt he engine, ther ed seat belt warning lam plightsupf or6s econds.
In addition, an acou stic wa rning tone ma ysound.
The sea tbeltw arning lam premind sthe driver and front passenger tofast entheir seat belts.#Fa sten your seat belt.
If yo uh ave placed objects on thef ront passenger seat, thew arning lam pmaystay lit.
7
Seat belt warning lamp The
reds eat belt warning lam pflashes and an intermitte ntwa rning tone sounds.
The driver or front passenger hasn otfast ened their seat belt while thee ngine is in motion.#Fasten your seat belt.
Ther eareobject sonthe front passenger seat.
#Remo vetheo bjects from thef ront passenger seat.
404
Displa ymessages and warning/indicator lamps

Adjustin gthe treble ,mid-rang ea nd
bass
Burmes ter
®high-end 3D sur round
sounds ystem. ..................................... 276
Burmes ter
®sur round sounds ystem. ...2 75
Air bag Activation .............................................. 31
Belt ai rbag ............................................ 35
AI RB ODYC ONT ROL................................ 169
Setting ................................................. 171
Suspensio n.......................................... 169
Air conditioning sy stem
see Climat econtrol
Air distribution ........................................ 122
Air freshener sy stem
see Frag rance sy stem
Air suspension see AIR BODY CONTROL
Air vents ................................................... 125
Ad justing (front) .................................. 125
Ad justing (rea rpassenger compart‐
ment) ................................................... 126
Glo vebox. ............................................ 126 Air
vents
see Air vents
Ai r-re circulation mode ............................ 123
Airb ag
Fr ont airbag ...........................................3 7
Ins tallation locations ............................ .37
Knee airbag ........................................... 37
Overvie w............................................... 37
Pr otection ............................................. .38
Re duced pr otection ............ .....
.............
.39
Sid eairba g. ........................................... 37
Wi ndo wairba g. ...................................... 37
Air flow ...................................................... 122
AIRP ANEL (Care) ...................................... 287
Alarm see Panic alarm
Alar msystem
see Anti- theftp rotection
Ambient lighting ...................................... 115
Android Auto™
Connecting amobile phone. ................245
Ending ................................................. 246
Overvie w............................................. 245 Sound settings ....................................
245
Anti-thef tprote ction ................................ .79
ATA (Anti-Thef tAlarms ystem) ............... 79
Deactivating thea larm( ATA) ................. 80
Immobilizer ............................................ 79
Appl eCarPlay™
Connecting an iPhone
®....................... 244
Ending .................................................2 45
Overvie w............................................. 244
Sound settings .................................... 244
Asht ray
Fr ont center console ........................... 105
Re ar passenger compartment ............ .105
Assistance graphic
Menu (on-boa rdcompute r) .................. 198
ASS YSTP LUS........................................... 277
Batter ydisconnection period s............. 278
Displ aying thes ervice due dat e........... 277
Re gular service work ........................... 277
Special service requirements .............. 277
ASS YSTP LUSs ervice in terv al display ...277
ATA (Ant
i-Thef tAlarms ystem)
Deactivatin gthe alar m.......................... 80
Index 41
3

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