Page 318 of 446

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
Page 319 of 446

thes ystem is no toperating properly .The
TPMS malfunction indicator is combined with
th el ow tirep ressur eindicator lamp. When
th es ystem de tects am alfunction, thei ndica‐
to rlamp wil lflash fora pproxima tely am inute
and then remain continuously illumina ted.
This sequence will continue upon subsequent
ve hicle start-ups as longast he malfunction
ex ists.
When them alfunction indicator is illumina‐
te d, thes ystemm aynotbea bletodetect or
signal lo wtirep ressur easi ntended. TPMS
malfunctions ma yoccurf orav ariety of rea‐
sons, includingt he installation of incompati‐
ble replacemen toralternat etires or wheels
on thev ehicle that pr event theT PMS from
functioning proper ly.
Alw aysc hec kthe TPMS malfunction warning
lam pafter replacing one or mor etires or
wheels on your vehicle toensur ethat the
re placemen toralternat etires and wheels
allo wthe TPMS tocontinu etofunction prop‐
er ly.Using atirep ressur esensor ,the sy stem checks
th et irep ressur eoft he tires ins talled on the
ve hicle.
Ne wt irep ressur esensors, e.g. in winter tires,
ar ea utomaticall ytaught-in thef irst tim ethe
ve hicle is driven.
The tir epressur eappears inthem ultifunction
displa y(
→page197).
If th er eisas ubstantia lpressure loss or if the
tir et emperatur eisexcessive, awarning will be
given:
RVi ad ispla ymessages (→page382).
RViat he h warning lam pinthe instrument
clus ter(→pag e410).
It is thed rive r's responsibility tosetthe tire
pressur etotherecommended cold tir epressure
suitable fort he operating situation. Se tthe tire
pressur efor cold tires using atirep ressure
ga uge. Notethat thec orrect tir epressur efor the
cur rent operating situatio nmustfirst be taught-
in to thet irep ressur emonitoring sy stem.
In mos tcases, thet irep ressur emonitoring sys‐
te mw illautom atically updat ethe ne wreference va
lues af tery ou ha vechanged thet irep ressure.
Yo uc an,h ow ever,a lso updat ethe refere nce val‐
ues byrestartin gthe tir epressur emonitoring
sy stem manuall y(
→page318).
Sy stem borders
The tir epressur emonitoring sy stem does not
issue awarning:
RIfth et irep ressur eiss etincor rectly.
RIfth er eisas udden pressur eloss caused, for
ex ample, byaforeign object penetratin gthe
tire.
RIf th er eisam alfunction caused byano ther
ra dio signal source.
Be sur etoalso observ ethe following fur ther
re lated subjects:
RNo tesont irep ressur e(→page312)
Checking thet irep ressur ewitht he tir epres‐
sur em onitoring sy stem
Requ irements
RThe ignition is switched on.
Wheels and tires 317
Page 348 of 446

#Avoid sudden acceleration and engine
speeds over3,000 rpm.
Fu rther information on fuel can be found:
RAt ag asstation
RAt aq ualified specialis tworks hop
RUS Ao nly: At http://www.mbusa.com
Information on additives in gasoline
Obser vethen otes on operating fluids
(
→pag e344).
* NO
TEDama gecaused bynon-app rove d
additives
Even small amounts of thew rong additive
ma ylead tomalfunctions occur ring.
#Only ad dcleaning additives recommen‐
ded byMercedes-Benztot he fuel.
Mercedes-Benzrecommends that youu se fuel
br and sthat ha veadditives.
The fuel grade available in somec ountries may
no tbes ufficient. Residue could buildupint he
fuel injection sy stem as aresult. In suc hcases, and in consultation wit
hanauthorized
Mercedes-Benz Center ,the fuel ma ybemixed
wit hthe cleaning additiv erecommende dby
Mercedes-Benz. Alw ayso bser vethen otes and
mixing ratio ss pecified on thec onta iner.
Note sonf uel consum ption
* ENVIRONMENTAL
NOTEIncreased CO
2emissions caused byinc reased fuel con‐
sum ption
The CO2emissions of your vehicle depend
directl yonthe fuel consum ption.
#Yo uc an minimizeC O2emissionsby
driving carefully and having your vehicle
serviced regular ly.
Ta nk capacitya ndreser vefuel le vel
Model Total capacity
Al lm odels 17.4 US gal(66.0l )
Model Of whichreser ve
All model s1 .8 USgal(7.0l )
Note sone ngine oil
Observethen otes on operating fluids
(→pag e344).
* NO
TEEngine damage causedbyan
incor rect oil filter ,incor rect oil or addi‐
tives
#Do no tuse engine oil soroilfilter sother
th an those whic hmeetthe specifica‐
tions necessar yfor thep rescribed
service inter vals.
34 6
Tech nica ldata
Page 355 of 446

Safetys ystems
Displa ymessages
Possible causes/consequences and MSolutions
!
÷
Currently Unavailable See
Operator'sManual *
ABS and ESP
®aret emporaril yunavailable.
Other drivinga nd drivingsafet ys ystems ma yalso be malfunctioning.
&
WARNING Risk of skidding if ABS and ESP®arem alfunctioning
If ABS and ESP
®ar em alfunctioning ,the wheels could loc kwhen braking and ESP®cann otcar ryout vehicle
st abilization.
The steering capability and braking characteristic sarethus se verely impaired .The brakin gdista nce in an emer‐
ge ncy braking situatio ncan increase. In addition, other driving saf etys ystems ar eswitched off.
#Driv eonc arefull y.
#Have ABS and ESP®checkedi mmediately at aqualified specialis tworks hop.
#Carefully driv eonasuitablestre tchofr oad, making slight steering mo vements at aspeed abo ve19 mp h
(30 km/h).
#If th ed ispla ymessag edoes no tdisappear ,consult aqualified specialis tworks hop immediately .Drive carefully.
Displa ymessages and warning/indicator lamps 353
Page 356 of 446
Displaymessages
Possible causes/consequences and MSolutions
÷
Currently Unavailable See
Operator'sManual *
ESP
®is temp orarily una vailable.
Other drivinga nd drivingsafet ys yst ems ma yalso be malfunctioning.
&
WARNING Risk of skidding if ESP is malfunctioning®
If ESP®is malfunctioning ,ESP®canno tcarry out vehicle stabilization. In addition,o ther driving saf etys ystems
ar es witched off.
#Driv eonc arefull y.
#Have ESP®checkedataq ualified specialis tworks hop.
#Carefully driv eonasuitablestre tchofr oad, making slight steering mo vements at aspeed abo ve19 mp h
(30 km/h).
#If th ed ispla ymessag edoes no tdisappear ,consult aqualified specialis tworks hop immediately .Drive carefully.
354
Displa ymessages and warning/indicator lamps
Page 357 of 446
Displaymessages
Possible causes/consequences and MSolutions
÷
Inoperative See Operator's
Manual*
ESP
®is malfunctioning.
Other driving and driving saf etys yst ems ma yalso be malfunctioning.
The brak esystemc ontinues tooperat enormally .The braking dis tance in an emergency braking situatio ncan
increase.
& WARNING Risk of skidding if ESP is malfunctioning®
If ESP®is malfunctioning ,ESP®canno tcarry out vehicle stabilization. In addition,o ther driving saf etys ystems
ar es witched off.
#Driv eonc arefull y.
#Have ESP®checkedataq ualified specialis tworks hop.
#Driv eonc arefully.
#Visit aq ualified specialis tworks hop immediatel y.
Displaymessage sand warning/indicator lamps 355
Page 358 of 446
Displaymessages
Possible causes/consequences and MSolutions
T
!
÷
Inoperative See Operator's
Manual*
EBD ,ABS and ESP
®arem alfunctioning.
Other driving and driving saf etys yst ems ma yalso be malfunctioning.
&
WARNING Risk of skidding if EBD, ABS and ESP®are malfunctioning
If EBD, ABS and ESP
®ar em alfunctioning ,the wheels can loc kwhen braking and ESP®cann otcar ryout vehicle
st abilization.
The steering capability and braking characteristic sarethus se verely impaired .The brakin gdista nce in an emer‐
ge ncy braking situatio ncan increase. In addition, other driving saf etys ystems ar eswitched off.
#Driv eonc arefull y.
#Have theb rake system checkedi mmediatel yataqualified specialis tworks hop.
#Driv eonc arefully.
#Visit aq ualified specialis tworks hop immediatel y.
356
Displa ymessages and warning/indicator lamps
Page 359 of 446
Displaymessages
Possible causes/consequences and MSolutions
!
÷
Inoperative See Operator's
Manual*
ABS and ESP
®arem alfunctioning.
Other driving and driving saf etys ystems ma yalso be malfunctioning.
&
WARNING Risk of skidding if ABS and ESP®arem alfunctioning
If ABS and ESP
®ar em alfunctioning ,the wheels could loc kwhen braking and ESP®cann otcar ryout vehicle
st abilization.
The steering capability and braking characteristic sarethus se verely impaired .The brakin gdista nce in an emer‐
ge ncy braking situatio ncan increase. In addition, other driving saf etys ystems ar eswitched off.
#Driv eonc arefull y.
#Have ABS and ESP®checkedi mmediately at aqualified specialis tworks hop.
#Driv eonc arefully.
#Visit aq ualified specialis tworks hop immediatel y.
Displaymessage sand warning/indicator lamps 357