Page 384 of 498
&WARNING Risk of accident from losing a
wheel
Oiled, greased or damaged wheel bolt/wheel
nut thre ads or wheel hub/wheel mounting
bolt thre ads can caus ethe wheel bolts/
wheel nuts tocome loose.
As aresult, youc ouldlose awheel while dr iv‐
ing.
#Ne vero il or grease thet hreads.
#Inthee vent of damag etothethre ads,
con tact aq ualified specialis tworks hop
immediatel y.
#Have thed amaged wheel bolts or dam‐
aged hub thre ads replaced.
#Do no tcontinue driving.
#Obser vethei nformation on thec hoice of
tires (→pag e374).
Fo rtires wit haspecified direction of rotation, an
ar row onthes ide wall of thet irei ndicates the
cor rect dire ction of rotation. Observ ethe direc‐
tion of rotatio nw heninstalling.
#Slide thew heel tobe mounted ont othe cen‐
te ring pi nand push it on.
&
WARNING Risk of injury from tightening
wheelb olts and nuts
If yo ut ighten thew heel bolts or wheel nuts
when thev ehicle is raised, thej ackc ould tip.
#Onl ytighten wheel bolts or wheel nuts
when thev ehicle is on theg round.
#Fo rs afet yr easons, onl yuse wheel bolts
whic hhaveb een appr ovedbyM ercedes-
Benz and fort he wheel in question.
* NO
TEDama getopaintwor kofthe wheel
ri mw hen scr ewing on thef irst whee lbolt
If th ew heel has toom uchp layw hen scr ew‐
ing in thef irst whee lbolt, th ew heel rimp aint
can be dama ged.
#Press thew heel firm lyagains tthe
whee lhub when scr ewing on thef irst
wheel bolt.
#Ti ghten thew heel bolts until they aref inger-
tight.
#Un scr ew thec entering pin.
#Tighten thel astw heel bolt until it is finger-
tight.
#Lo we rthe vehicle (→pag e382).
Loweri ngthev ehicle af teraw heelchange
Re quirements:RThe ne wwheel has been ins talled
(→pag e381).
#Place ther atche tring sp anner ont othe he xa‐
gon nut of thej acksot hatthel ette ring "AB"
is visible.
#To lowe rthe vehicle: turnthe ratche tring
sp an ner of thej acka nti-clockwise.
382
Wheels and tires
Page 385 of 498
#Tighten thew heel bolts evenlyinad iagonal
patter ninthe order indicated (1 to5).
Specified tightening torq ue: 111 lb-ft
(150 Nm).
& WARNING Risk of accident duetoi ncor‐
re ct tigh tening torque
Th ew heelsc ould come loose if thew heel
bolts or wheel nuts ar enottightened tothe
prescribed tightenin gtorque.
#Ha ve thet ightening torque checked
immediatel yataqualified specialis t
wo rkshop af terc hanging awheel.
#Chec kthe tir epressur eoft he newl ymoun‐
te dw heel and adjus taccording ly.
#Ve hicles with atirep ressur emonitoring
sy stem: Restar tt he tir epressur emonitoring
sy stem (
→pag e361).
Mak esuretoo bservethef ollowing fur ther rela‐
te ds ubjec t:
RNotesont irep ressur e(→page356)
Wheels and tires 383
Page 417 of 498
Displaymessages
Possible causes/consequences and MSolutions
É
9 H K L F O H 5 L V L Q J 3 O H D V H : D L W*T
hevehicle le velist oo lo w.The vehicle will be raised tothes elected vehicle le vel.
#Wa it until thed ispla ymessag edisappear sbefor epulling away.
É
6 W R S 9 H K L F O H 9 H K L F O H 7 R R
/ R Z *Y
ou ha vepulled away despit ethe vehicle le velb eing tool ow .
#Pull overand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions.
The vehicle will be raised tothes elected vehicle le vel.
#Wa it until thed ispla ymessag edisappear sbefor epulling away.
If th ed ispla ymessag edoes no tdisappear and awarning tone also sounds, AIR BOD YCONTROL/DYNAMIC BODY
CO NTROL is malfunctioning:
#Do no tdrive fast erthan 50 mph(80 km/h) and consult aqualified specialis tworks hop immediatel y.
* NO
TEThe tires of thef ront axle or thef ront fende rscould be damaged bylarge steering mo vements
#Av oid larg esteering mo vements whiled riving and lis tenf or scraping sounds.
#Ifyo uh ear scra ping sounds, pull overand stop thev ehicle safely ,paying attention toroad and traf ficc on‐
ditions ,and se tahigher vehicle le velifp ossible.
#Setah igher vehicle le vel.
Dependin gonthe malfunction, thev ehicle is raised.
Displa ymessages and warning/indicator lamps 41
5
Page 428 of 498
Tire s
Displa ymessages
Possible causes/consequences and MSolutions
h
3 O H D V H & R U U H F W 7 L U H 3 U H V
V X U H*T
he tir epressur eist oo lo winatl eastone of thet ires, or thet irep ressur ediffe re nce betwee nthe wheels is too
great.
#Chec kthe tir epressur eand add air ,ifnecessar y.
#Whenthet irep ressur eisc orrect, restar tt he tir epressur emonitoring sy stem.
h
& K H F N 7 L U H V *T
he tir epressur eino ne or mor etires has dropped significantl y.The wheel position is displa yed.
&
WARNING Risk of an accident duetoi nsufficient tir epressure
Ti re pressures that ar etoo lo wpose thef ollowing hazards:
RThe tires ma yburst,e speciall yasthe load and vehicle speed increase.
RThe tires ma ywear excessively and/or une venly, whic hmaygreatl yimp air tir etraction.
RThe drivin gcharacteristics, as well as steering and braking, ma ybegreatl yimp aired.
Yo uc ouldthen lose control of thev ehicle.
#Obser vether ecommende dtirep ressure.
#Ad jus tthe tir epressur eifn ecessar y.
#Stop thev ehicle, paying attention toroad and traf ficc onditions.
#Chec kthe tir epressur eand thet ires.
426
Displa ymessages and warning/indicator lamps
Page 429 of 498
Displaymessages
Possible causes/consequences and MSolutions
h
: D U Q L Q J 7 L U H 0 D O I X Q F W L R Q*T
he tir epressur eino ne or mor etires has dropped suddenly .The wheel position is displa yed.
&
WARNING Risk of an accident from driving wi thaflat tire
Flat tires ar edangerous in thef ollowing ways:
RThe tires can overheat and cause afire.
RThe driving characteristics, as well as steering and braking, ma ybegreatl yimp aired.
Yo uc ouldthen lose control of thev ehicle.
#Do no tdrive wit haf lat tire.
#Obser vethen otes on flat tires.
No tesonf lat tires (→page334).
#Stop thev ehicle, paying attention toroad and traf ficc onditions.
#Chec kthe tires.
7 L U H 3 U H V V 0 R Q L W R U & X U
U H Q W O \ 8 Q D Y D L O D E O H *N
osignals can be receive dfromt he tir epressur esensor sdue tostro ngradio signal source inter fere nce. The tire
pressur emonito ring sy stem is temp oraril yunavailable.
#Driv eon.
The tir epressur emonitoring sy stem restarts automaticall yassoon as thec ause has been rectified.
Displa ymessages and warning/indicator lamps 427
Page 430 of 498
Displaymessages
Possible causes/consequences and MSolutions
h
: K H H O 6 H Q V R U V 0 L V V L Q J*T
her eisnos ignal from thet irep ressur esensor of one or mor etires. The pressur eofthe affected tir eisnotdis‐
play ed.
#Have thed efectiv etirep ressur esensor replaced at aqualified specialis tworks hop.
7 L U H 3 U H V V X U H 0 R Q L W R U , Q R S
H U D W L Y H 1 R : K H H O 6 H Q V R U V *T
he wheels ins talled do no thave suitable tir epressur esensors. The tir epressur emonitoring sy stem is deactivated.
#Ins tall wheels wit hsuitable tir epressur esensors.
7 L U H 3 U H V V 0 R Q L W R U , Q R S H U D
W L Y H *T
he tir epressur emonitoring sy stem is defective.
&
WARNING Thereisar isk of an accident if thet irep ressur emonitoring sy stem is malfunctioning
If th et irep ressur emonitoring sy stem is malfunctioning, it is no table toissue awarning if ther eisp ressur eloss
in one or mor eofthe tires.
Underinflated tires ma y,fore xamp le, impair thed riving, steering and braking characteristics.
#Ha ve thet irep ressur emonitoring sy stem checkedataq ualified specialis tworks hop.
#Visit aq ualified specialis tworks hop.
7 L U H V 2 Y H U K H D W H G *A
tlea st one tire is overheating. The af fected tires ar edisplay ed in red. At temp eratures close tothel imit value, the
tires ar edispl ayed in yello w.
#Driv emores lowl y.
428
Displa ymessages and warning/indicator lamps
Page 431 of 498
Displaymessages
Possible causes/consequences and MSolutions
7 L U H V 2 Y H U K H D W H G ' H F U H D V H
6 S H H G *A
tlea st one tire is overheating.
&
WARNING Risk of an accident from driving wi thove rheated tires
Overheated tires ma yburst,p articularly at high speeds.
#Re duce speed so that thet ires cool down.
#Reduce speed so that thet ires cool down.
SmartK ey
Displaymessages
Possible causes/consequences and MSolutions
Â
2 E W D L Q D 1 H Z . H \ *T
he SmartK eyneeds tobe replaced.
#Visit aq ualified specialis tworks hop.
Â
5 H S O D F H . H \ % D W W H U \ *T
he SmartK eybatter yisdischar ged.
#Re place theb atter y.
Displ aymessage sand warning/indicator lamps 429
Page 458 of 498
Tire s
Wa rning/indicator lamp
Possible causes/consequences and MSolutions
h
Tire pressur emonitoring
sy stem warning lam plights
up The
yello wt irep ressur emonitoring sy stem warning lam p(pressur eloss/malfunction) is lit.
The tir epressur emonitoring sy stem has de tected tir epressur elossinatl east one of thet ires.&
WARNING Risk of an accident duetoi nsufficient tir epressure
Ti re pressures that ar etoo lo wpose thef ollowing hazards:
RThe tires ma yburst,e speciall yasthe load and vehicle speed increase.
RThe tires ma ywear excessively and/or une venly, whic hmaygreatl yimp air tir etraction.
RThe drivin gcharacteristics, as well as steering and braking, ma ybegreatl yimp aired.
Yo uc ouldthen lose control of thev ehicle.
#Obser vether ecommende dtirep ressure.
#Ad jus tthe tir epressur eifn ecessar y.
#Stop thev ehicle, paying attention toroad and traf ficc onditions.
#Chec kthe tir epressur eand thet ires.
456
Displa ymessages and warning/indicator lamps
