Troubleshooting
Points to remember
G
Ris
kofa ccident and injury
If work relevant to safety is carrie doutincorrectly ,thisc ould impai rthe operating safety of your
vehicle. Yo ucould lose contro lofthe vehicl eand cause an accident. In addition, the safety
system smayno longe rbeabletop rotect yo uorothers as the yaredesigne dtodo.
Alway shavem aintenance work carrie doutataq uali fied specialis tworkshop .The workshop must
have the necessary specialis tknowledg eand tool stocarry ou tthe work required .Mercedes-
Benz recommends tha tyou useaM ercedes-Benz Service Centre for thi spurpose. In particular,
work relevant to safety or on safety-relate dsystem smustbec arriedoutataq uali fied specialist
workshop. Warning and indicator lamps in switche
sand buttons Problem Possible causes/consequence
sand 0050
0050Solutions The sea
tventilation*
ha ss witched off pre-
maturel yorcannotbe
switched on. The on-board voltag
eistoo low, because too many consumers are
switched on.
X Switch off consumers tha tare not required ,e.g.r ea rw indow
heating or interio rlighting. The sea
theating* has
switched off prema-
turel yorc annotbe
switched on. The on-board voltag
eistoo low, because too many consumers are
switched on.
X Switch off consumers tha tare not required ,e.g.r ea rw indow
heating or interio rlighting. The warnin
glam pon
the sport button of the
dynamic handling pack-
ag ew iths ports mode*
is lit. If yo
uselect comfort mod eand the indicator lamp does not go out,
the dynamic handling packag ewiths ports mode* is faulty.
X Visi taq ualified specialis tworkshop. When yo
upress the
005C button on the
contro lpan el for
Thermatic 2-zone auto-
matic climate control/
Thermotroni clux ury3-
zone automatic climate
control* ,the indicator
lamp in the button
flashe sthre etime sor
remains off .The cool-
ing system canno tbe
switched on. Cooling ha
sbeend eactivated du etoamalfunction.
X Visi taq ualified specialis tworkshop. 230
TroubleshootingPractical advice
*o
ptional
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-Seite 230
X
Remove th ecover of th ebattery tray.
X Repeatedly tap th ekeyagainst your palm
until battery 008Afallsout of th ekey.
X Inser tthe newb attery wit hthe positive
pole facin gupwards. Use alint-free cloth to
do so.
X Inser tthe fron ttab soft hebattery tray's
cover first and then press to close it.
X Chec kthe function of all ke ybuttons on the
vehicle. Changin
gbulbs Notes on changin
gbulbs
i If you need assistanc einchangin gthe
bulbs ,contac taqualified specialist work-
sho pwhichh as th eneces saryspecialist
knowledge and tools to carry out th ework
required. Mercedes-Ben zrecommends
that you use aMercedes-Ben zServi ce
Centr efor this purpose .Inparticular, work
relevan ttosafetyoro nsafety-related sys-
tems mus tbecarriedout at aqualified spe-
cialist workshop.
Bulb sand lamp sare an important aspect of
vehicl esafety. You mus tthe refor emakes ure
that these function correctl yatall times.
Hav ethe headlamp setting schecked regu-
larly. Only use th etypes of bulbs specified
here. If th enew bulb still does no tligh tup,
consult aqualified specialist workshop.
Do no ttou ch th eglasstub eofn ewbulbs with
your bare hands. Even minor contamination
can burn into th eglasssurfac eand reduce th
es ervic elife of th ebulbs .Always use alint-
free cloth or only touch th ebase of th ebulb
when fitting. G
Ris
kofi njury
Bulb sand lights can become ver yhot.F or this
reason ,allow them to cool down before
changin gthem. Otherwise ,you could burn
yourself when you touch them.
Kee pbulbs out of th ereac hofc hildren .Oth-
erwise, they could damage them, for example,
and injur ethemselves.
Never use abulb whic hhas been dropped.
Suc hab ulb may explod eand injur eyou.
Halogen bulbs are pressurised and could
explod ewhen you chang ethem, especially if
they are ver yhot.Y ou should therefor ewear
eye protection and gloves when you are
changin gthem. G
Ris
kofi njury
Xenon bulbs carry ahigh voltage. You could
get an electric shock and be seriously or even
fatally injured if you touch th eelectric con-
tacts on xeno nbulbs .Therefore ,never
remove th ecover from xeno nbulbs.
Do no tcha ng ex enon bulbs yourself ,but have
them replaced at aqualified specialist work-
sho pwhichh as th eneces saryspecialist
knowledge and tools to carry out th ework
required.
Mercedes-Ben zrecommends that you use a
Mercedes-Ben zServic eCentr efor this pur-
pose. In particular, wor krelevan ttosafetyor
on safety-related systems mus tbecarriedout
at aq ualified specialist workshop. 260
Changing bulbsPractical advice
207_AKB; 2; 3, en-GB
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