Page 399 of 454

DisplaDispla
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messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
Device Detected atDiag-
nostics Connection See
Opera tor'sManua l *T
hevehicle funct ionsfo rmalfunction detection arere str icte d.
At least oneofthemain function sof theMer cedes meconnect system ismalfunctionin g. #
Obser vetheno teson thediagnost icsconnection (/page27). #
Consult aqua li/ed specialist workshop. Bat
t Bat
ter y er
y Displ
a Displ
ay messag y
messag es P es
Possible causes/ conseq ossible
causes/ consequen ces and uen
ces and 0050 0050
Sol utions Sol
utions
003D
12 VBatte rySee Opera-
tor's Manua l *T
hevehicle iso. and thecondition ofcharge ofthe12 Vbatt eryis toolow. #
Switcho. electrical consume rsthat areno tre qu ired. #
Drive fo r30–60 minutes.
or #
Char gethe12 Vbatt erywhen stationar y(/ page300).
*I fth emessag eappear swhile theve hicle isswitc hedon,this indicat esan on-boar delectr icalsystem malfunction. #
Visit aqu ali/ed special istwo rkshop.
003D See Operator'sManua l *T
he12 Vbatt eryis no tbein gch arge d. Displa
ymessag esand warning/in dicatorlam ps
397 397
Page 400 of 454
DisplaDispla
ymessag y
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Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
* NO NO
TE TE
Possible enginedamag eif yo ucontinue driving #
Donotcontinue driving under anycir cumst ances. #
Consult aqu ali/ ed spec ial ist wo rkshop. #
Stop immediat elyin accor dance withth etra1c conditions andswitc ho. theve hicle. #
Con sult aquali/ed specialistwo rkshop.
003D
Stop VehicleSee Opera-
tor's Manua l *T
he12 Vbatt eryis no longerbeing charge dand thecondition ofcharge istoolow.
* N N
O O
TE TE
Possible enginedamag eif yo ucontinue driving #
Donotcontinue driving under anycir cumst ances. #
Consult aqu ali/ ed spec ial ist wo rkshop. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. Donotcontinue driving. #
Switc ho. theve hicle. #
Con sult aquali/ed specialistwo rkshop. 398398
Displ
aymessag esand warning/in dicatorlam ps
Page 401 of 454

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
003D
Stop Vehicl eLeave Engine
Ru nning *T
he12 Vbatt erych arge leve lis toolow. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. Donotcontinue driving. #
Leavetheve hicle running #
Ifth edispla ymessag edisappear s:drive on. #
Ifth edispla ymessag edoes notdisappear :consult aqua li/ed specialist workshop. TT
ir ir
e pr e
pr essur essur
emoni t e
moni tor or
Displ
a Displ
ay messag y
messag es P es
Possible causes/ conseq ossible
causes/ consequen ces and uen
ces and 0050 0050
Sol utions Sol
utions
Ti re Pre ss. Moni torCur-
rentl yUnav ailabl e *T
her eis int erfere nce from apo we rful radio signal sourceAs are sult ,no sign alsfrom thetir epr essur esensor sar e
being receiv ed.The tirepr essur emonit oring system istemp orarily una vailable.
The tirepr essur emonit oring system will restar tau tomaticall yas soon asthecause hasbeen recti/ed. #
Drive on.
Tir ePres s.Moni torInope ra-
tive *T
hetirepr essur emoni toring system isma lfunct ioning . &
W W
ARNI NG ARNI
NGTher eis arisk ofan acciden tif th etir epr essur emonit oring system ismalfunctionin g
The tirepr essur emonit oring system canno tissue awa rning ifth er eis pressur eloss inone ormor eof thetir es.
Ti re swit hinsu1cie nttirepr essur ema yim pair thedr iving charact eristics aswellas steer ing and braking. #
Have thetir epr essur emonit oring system checkedat aqu ali/ed special istwo rkshop. Displ
aymessag esand warning/in dicatorlam ps
399 399
Page 402 of 454

DisplaDispla
ymessag y
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causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
Tire Pressu reMonitor Inop-
erative NoWheel Sensors *T
hewheels installed donotha ve suit able tirepr essur esenso rs.The tirepr ess uremonit oring system isdeac tivated. #
Inst allwhe elswithsuit able tirepr ess uresens ors.
0077 Wheel Sensor(s) Missing *T
her eis no sign alfrom thetir epr essur esensor ofone ormor ewheels. Nopressur eva lue isdispla yedfo rth ea.ect ed
tir e. #
Have thefa ulty tirepr essur esensor replaced ataqu ali/ed special istwo rkshop.
0077 Ch eck Tires *T
hetirepr essur ein one ormor etir es has dropped signi/cantl y.
The wheel positionis dis pla yed. Awa rning tone willals osou nd. &
W W
ARNI NG ARNI
NGRisk ofan accid ent due toinsu1c ienttirepr essur e
R The tires can burst.
R The tires can wearexcessiv elyand/ orune venly.
R The driving charact eristics aswellas thesteer ing and braking maybe greatl yim pair ed.
Yo ucould then lose contr olof theve hicle. #
Obser vethere commen dedtirepr essur es. #
Adjust thetir epr essur eif necessar y. #
Stop theve hicle inaccor dance withth etra1c conditions. #
Chec kth etir epr essur e(/ page311) andthetir es. 400400
Displa
ymessag esand warning/in dicatorlam ps
Page 403 of 454

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
0077
Plea seCorrect TirePres-
sure *T
hetirepr essur eis toolow in at least oneofthetir es, orthedi.er ence intirepr essur ebe tween theindividual wheels
is toogr eat. #
Chec kth etir epr essur eand add air,if necessar y. #
When thetir epr essur eis cor rect, restar tth etir epr essur emonit or(/ page316).
0077
Warning TireMalfu nction *T
hetirepr essur ein one ormor etir es has dropped suddenly. The wheel pos itionwil lbe displa yed. &
W W
ARNIN G ARNIN
GRisk ofan accident from driving witha0at tire
R The tires can overheat and bedamag ed.
R The driving charact eristics aswellas thesteer ing and braking charact eristics maybe greatl yim pair ed.
Yo ucould then lose contr olof theve hicle. #
Donotdr ive wit ha0at tire. #
Donotex ceed themaximum permissible driving distance inemer gency mod eand themaximum permissible
speed witha0at MOExt ended tire. #
Obser vetheno teson 0at tires. No
tesin theev ent ofa0at tire(/ page291). #
Stop theve hicle inaccor dance withth etra1c conditions. #
Chec kth etir es. Displa
ymessag esand warning/in dicatorlam ps
401 401
Page 404 of 454

DisplaDispla
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causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
Tires Overhea ted
*Atleast onetireis ove rheating. Thea.ect edtires aredispla yedin red. At temp eratur esclose tothelimit value, the
tir es aredisp laye din yello w. &
W W
ARNI NG ARNI
NGRisk ofan accid ent from driving withove rheat edtires
Ov erheat edtires can burst. #
Reduce speed sothat thetir es cool down. Decrease
Speed
*Atleast onetireis ove rheating. Thea.ect edtires aredispla yedin red. At temp eratur esclose tothelimit value, the
tir es aredisp laye din yello w. &
W W
ARNI NG ARNI
NGRisk ofan accid ent from driving withove rheat edtires
Ov erheat edtires can burst. #
Reduce speed sothat thetir es cool down. TT
ir ir
e pr e
pr essur essur
eloss w e
loss war ar
ning syst ning
system em
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solution s Solution
s
Check TirePressure Soon
*Canada only:
The tirepr ess urelos swa rning system has detected asigni/can tloss ofpressur e. 402402
Displa
ymessag esand warning/in dicatorlam ps
Page 405 of 454

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons &
W W
ARNIN G ARNIN
GRisk ofan accident duetoinsu1c ienttirepr essur e
R The tires can burst.
R The tires can wearexcessiv elyand/ orune venly.
R The driving charact eristics aswellas thesteer ing and braking maybe greatl yim pair ed.
Yo ucould then lose contr olof theve hicle. #
Obser vethere commen dedtirepr essur es. #
Adjust thetir epr essur eif necessar y. #
Stop theve hicle inaccor dance withth etra1c conditions. #
Chec kth etir epr essur e(/ page311) andthetir es. #
When thetir epr essur eis cor rect, restar tth etir epr essur eloss warning system (/ page316).
Check TirePressure Then
Restart RunFlatIndicator *C
anada only:
The tirepr ess urelos swa rning system gener ated adis pla ymes sage and hasnotbeen restar tedsince. #
When thetir epr essur eis cor rect, restar tth etir epr essur eloss warning system (/ page316).
Run FlatIndicator Inopera-
tive *C
anada only:
The tirepr ess urelos swa rning system ismalfunctioning. #
Consult aqua li/ed specia listworkshop. Displ
aymessag esand warning/in dicatorlam ps
403 403
Page 406 of 454

Engi
neoil Engi
neoil DisplaDispla
ymessag y
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causes/consequences and uences
and0050 0050
Solu tions Solu
tions
00B3
Che ckEngine OilLevel
(Add 1qua rt) *T
heeng ineoilleve lhas dropped totheminimum leve l.
* N NO O
TE TE
Engine damagecaused bydriving withinsu1cien tengin eoil #
Avoid long journeys wit hinsu1cient engineoil. #
When next refuel ing, add1.1 USqt(1l)of engi neoil(/ page 279).
No teson eng ineoil(/ page349).
00B3
Engine OilReduce Oil Leve l *T
heeng ineoilleve lis toohigh.
* N NO O
TE TE
Engin edamag ecaused bydriving withex cess engineoil #
Avoid long journeys wit hex cess engineoil. #
Consu ltaquali/ed specialistwo rkshop immed iatelyand have theengine oilleve lre duced.
00B3 Engine OilLevel LowStop
Vehicl eTurn Engine Off *T
heeng ineoilleve lis toolow.
* N N
O O
TE TE
Engine damageca use dby driving withinsu1cien tengin eoil #
Avoid long journeys wit hinsu1cient engineoil. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. Donotcontinue driving. 404404
Displa
ymessag esand warning/in dicatorlam ps