
Display messages Possible causes/consequences and
0050
0050Solutions 0039 Key not
detected
(re
dd isplay
message) The KEYLESS-GO key* is no
tinthevehicle. Awarnin gtone
also sounds.
Whe nyou switch th eengineo ff,y ou canno tloc kt he vehicle
centrall yorstart th eenginea gain.
X Pull ove rand stop th evehicl esafely as soo naspossible,
payin gattention to roa dand traffic conditions.
X Locate th eKEYLESS-GO key*. The KEYLESS-GO key* is no
tdetecte dwhile drivin gbecause
ap owerful radi otransmitte riscausin ginterfe rence. Awarn-
in gt onea lso sounds.
X Pull ove rand stop th evehicl esafely as soo naspossible,
payin gattention to roa dand traffic conditions.
X Remove th eStart/Sto pbutto nfromt heignition lock*
(Y page 66).
X Inser tthe keyintot he ignition loc kand tur nittot hedesired
position. 0039 Key not
detected
(whit
edis-
play mes-
sage) You wan
ttounlockorl ockt he vehicl eand th eKEYLESS-GO
key* canno tbecurrentl ydetecte dbythevehicle.
X Locate th eKEYLESS-GO key*.
If th eKEYLESS-GO key* is still no tdetected:
X Loc koru nlockthe vehicl eusingthe key. You are in th
evehicl eand th eKEYLESS-GO key* currently
canno tbedetecte dbythevehicle.
X Change th elocation of th ekeywit hthe KEYLESS-GO func-
tions* in th evehicle.
If th eKEYLESS-GO key* is still no tdetected:
X Remove th eStart/Sto pbutto nfromt heignition lock*
(Y page 66).
X Inser tthe keyintot he ignition loc kand tur nittot hedesired
position. 0039 Key still
in vehicle
The KEYLESS-GO key* has been detecte
dinside th evehicle
during locking.
X Remove th eKEYLESS-GO key* from th evehicle. 0039 Replace
key The ke
ymustber eplaced.
X Visit aqualified specialist workshop. 226
Display
messagesPractical advice
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Display messages Possible causes/consequences and
0050
0050 Solutions 0039 Key does
not
belong to
vehicle You hav
eput th ewrong ke yint he ignition lock.
X Use th ecorrect key. 0039 Close
doors to
loc
kv ehi‐
cle At leas
tone doo riso pen.Aw arnin gtonea lso sounds.
X Clos eall doors and loc kthe vehicl eagain. 0039 Remove
starting
button,
then
insert key
KEYLESS-GO
*ist emporarily malfunctioning or is defective. A
warning tone also sounds.
X Remove the Start/Stop button from the ignition lock*
(Y page 66).
X Insert the key into the ignition lock and turn it to the desired
position. 006F Front
left seat
backrest
not locked
or
Front
right
seat back‐
rest not
locked The seat backrest is not engaged.
Awarning tone also sounds.
X Push the backrest back until it engages. 006F Rear left
seat back‐
rest not
locked
or
Rear
right
seat back‐
rest not
locked
G
Risk of injury
The backrest in the rear is not engaged on the left-hand and/
or right-hand side. Awarning tone also sounds.
X Push the backrest back until it engages (Y page 169).0081 Restraint
sys. mal‐
function
Consult
workshop
G
Risk of injury
There is amalfunction in the SRS (Supplemental Restraint
System). The 0081warning lamp also lights up in the instru-
ment cluster.
X Visit aqualified specialist workshop. Display messages
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Problem Possible causes/consequences and
0050
0050Solutions You can no longer lock
or unlock the vehicle
using KEYLESS GO*.
KEYLESS GO* is in standby mode because the vehicle has not
been unlocked for an extended period.
X
Pull the door handle and then turn the key to position 2in the
ignition lock. KEYLESS-GO* is malfunctioning.
X
Lock/unlock the vehicle using the remote control function of
the key. Point the tip of the key at the driver's door handle from
close range and press the 0036/0037button.
X Have the key checked at aqualified specialist workshop. There is interference from
apowerful source of radio waves.
X Lock/unlock the vehicle as described in the "Opening and clos-
ing in an emergency" section (Y page 249).You have lost
akey. X
Have the key cancelled at aMercedes-Benz Service Centre.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the manual locks changed too. You have lost the emer-
gency key element.
X
Report the loss immediately to the vehicle insurers.
X If necessary, have the manual locks changed too. The key cannot be
turned in the ignition
lock. The key has been in position
0for aconsiderable time.
X Remove the key and reinsert it into the ignition lock.
X Check the starter battery and charge it if necessary
(Y page 273).
X Start the engine. The on-board voltage is too low.
X
Switch off non-essential consumers, e.g. seat heating* or inte-
rior lighting, and try to turn the key again.
If this does not work:
X Check the starter battery and charge it if necessary
(Y page 273).
or
X Jump-start the vehicle (Y page 276).
or
X Consult aqualified specialist workshop. 248
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Parking up the vehicle
Problem Possible causes/consequences and
0050
0050Solutions The vehicle is to be left
parked up for longer
than four weeks. The battery can be damaged through exhaustive discharge.
X
Disconnect the battery (Y page 275) or connect toatrickle
charger.
i Have the battery checked at aqualified specialist workshop,
e.g. aMercedes-Benz Service Centre. The vehicle is to be left
parked up for longer
than six weeks. Damage resulting from non-use may occur if the vehicle is parked
up for long periods.
X
Visit aqualified specialist workshop and seek advice. Locking/unlocking in an emergency
Emergency key element
If the vehicle can no longer be locked or
unlocked with the key, use the emergency
key element.
If you use the emergency key element to
unlock and open the driver's door or the boot
lid, the anti-theft alarm system* will be trig-
gered (Y page 58).
There are several waystot urn off the alarm:
X Press the 0036or0037 button on the key.
or
X Insert the key into the ignition lock.
or
X Press the Start/Stop button* in the ignition
lock. The key must be in the vehicle.
or
X Lock or unlock the vehicle using KEYLESS
GO*. The key must be outside the vehicle. Removing the emergency key element X
Push release catch 0046in the direction of
the arrow and at the same time remove
emergency key element 0047from the key. Unlocking the vehicle
If the vehicle can no longer be unlocked cen-
trally with the key or KEYLESS GO*:
X Remove the emergency key element from
the key (Y page 249). Locking/unlocking in an emergency
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0079
To lock
X Insert the hex-socket wrench into the roof
lock.
X Turn the hex-socket wrench anti-clockwise
0079 as far as possible.
X Have the soft-top mechanism repaired
immediately at aqualified specialist work-
shop, e.g. aMercedes-Benz Service
Centre.
i Press the soft-top compartment cover
again if the boot lid cannot be opened.
! Do not under any circumstances open the
boot lid with the emergenc ykey. You could
otherwise damage the boot lid and the soft-
top compartment cover. Boot
! The boot lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the boot lid.
If the boot can no longer be unlocked with the
key or KEYLESS GO*:
X Remove the emergenc ykey element from
the key (Y page 249). X
Insert the emergenc ykey element into the
boot lid lock as far as the stop.
X Turn the emergenc ykey element anti-
clockwise as far as it will go to position
004A and pull the boot lid handle.
The boot is unlocked.
X Turn the emergenc ykey element back and
remove it. Releasing the parking lock manually
(vehicles with automatic transmis-
sion*)
In the event of an electrical fault, it is possible
to release the selector lever lock manually to
move it out of position P,e.g. if you wish to
tow the vehicle away. X
Depress the parking brake firmly.
X Prise out selector lever gaiter 0046with aflat,
blunt object ,(e. g. ascrewdriver wrapped Locking/unlocking in an emergency
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Replacing the wiper blades
G
Ris
kofa ccident
The windscreen will not longer be wiped prop-
erl yift he wiper blades are worn. Thi scould
prevent yo ufrom observing the traffic condi-
tions ,thereby causing an accident. Replace
the wiper blades twice ayear, ideall yinspring
and autumn. G
Ris
kofa ccident
The wiper arm scould star tmoving and cause
an injury if yo uleave the windscreen wipers
switched on.
Remove the key from the ignition lock before
replacing the wiper blades.
! To avoid damaging the windscreen wiper
blades, make sure that yo utouch only the
wiper arm of the windscreen wiper. To remove
X Remove the key from the ignition lock or
turn the key to position 0(KEYLESS-GO).
X Fol dthe wiper arm away from the wind-
screen unti litengages.
X Set the wiper blad eatright angle stothe
wiper arm. X
Remove the wiper blad efrom the retainer
on the wiper arm in the direction of the
arrow. Fitting
X Slide the new wiper blad einto the retainer
on the wiper arm in the opposite direction
to the arrow.
X Turn the wiper blad eparalle ltot he wiper
arm.
X Fol dthe wiper arm back onto the wind-
screen. Flat tyre
Flat tyre equipmen
tvariants
Your vehicl emay be equipped with:
R aT IREFIT kit (Y page 207)
R a" Minispare" emergency spare wheel*
(Y page 208)
R the MOExtended run-flat sys-
tem* (Y page 272) Preparing the vehicle
i Vehicl epreparation is not necessary on
vehicles with MOE tyres*.
X Stop the vehicl easfar away as possible
from traffic on solid ,non-slipper yand level
ground.
X Switch on the hazard warning lamps.
X Firmly depres sthe parking brake.
X Vehicles with manual transmission:
engage firs torreverse gear.
X Vehicles with automati ctransmis-
sion*: move the selector lever to P.
X All occupants mus tget ou tofthe vehicle.
Make sure that they are not endangered as
they get ou tofthe vehicle.
X Make sure that no one is nea rthe danger
are aw hilst awheel is being changed .Any-
one wh oisnot directl yassisting in the
wheel change should, for example, stand
behind the barrier.
X Switch off the engine. Flat tyre
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X
Vehicles withou tKEYLESS GO*:remove
the key from the ignition lock.
X Vehicles with KEYLES SGO*: openthe
driver' sdoor.
The on-board electronics have status 0,
which is the same as the key having been
removed.
X Ge toutof the vehicle.
X Close the driver' sdoor.
X Place the warning triangl e(Ypage 206) at
as uitabl edistance. Observe lega lrequire-
ments. Usin
gthe TIREFI Tkit
Yo uc an us ethe TIREFIT kit to sea lsmall
punctures, particularly thos einthe tyre tread.
Yo uc an us eTIREFIT at outsid etemperatures
dow nto- 20†. G
Risk of accident
In the following case syoursafety is especially
endangered, as tyre sealant is insufficient if:
R there are cuts or puncture sinthe tyre
greater than 4mm.
R the wheel rim is damaged.
R youh aved riven at very low tyre pressures
or on aflatt yre.
Do not drive any further. Consul taqualified
specialist worksho pwhich ha sthe necessary
specialist knowledg eand tool stocarryo ut
the work required.
Mercedes-Benz recommend sthat yo uuse a
Mercedes-Benz Service Centre for this pur-
pose. In particular, work relevant to safety or
on safety-related systems mus tbec arrie dout
at aq uali fied specialist workshop.
X Do not remove any foreign objects which
have penetrated the tyre ,e.g. screw sor
nails.
X Remove the TIREFIT kit, the accompanying
"max. 80 km/h "sticke rand the electri cair
pump from the stowag ewellu nderneath the luggage compartment floor
(Y
page 207). X
Affix part 0046of the sticke rwithin the driv-
er's field of vision.
X Affix part 0047of the sticke rnearthe valve
on the wheel with the defectiv etyre. G
Risk of injury
TIREFIT mus tnot come into contact with your
skin, eyes or clothing.
R If TIREFIT come sinto contact with your
eyes or skin, immediatel yrinse thoroughly
with clean water.
R Change ou tofclothing which ha scome into
contact with TIREFIT immediately.
R If an allergi creaction occurs, consult adoc-
tor immediately.
Kee pTIREFIT away from children.
R If TIREFIT is swallowed, immediatel yrinse
your mouth ou tthoroughly and drink plenty
of water.
R Do not induce vomiting. Consul tadoctor
immediately.
R Do not inhale TIREFIT fumes.
i If TIREFIT leaks out, allow it to dry .Itcan
then be removed like alayer of film.
If yo uget TIREFIT on your clothing, have it
cleane dassoona spossible with perchloro-
ethylene. 264
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Versio
n2 X
Pull connector 0088with cable and ai rpump
hose 0086outoft he housing.
X Screw ai rpum phose 0086onto flange 0087of
TIREFIT sealant fille rbottle 0046.
X Place TIREFIT sealant fille rbottle 0046 head
downwards into recess 0047of the electric
ai rp um p. X
Remove the cap from valve 006Eon the faulty
tyre.
X Screw fille rhose 006Fonto valve 006E.
X Insert connector 0088into the socke tofthe
cigarette lighter* (Y page 173) or into a
12 Vp ower socke t(Ypage 174) in your
vehicle.
X Vehicles withou tKEYLESS GO*:turn the
key to position 2(Y page 65) in the ignition
lock.
X Vehicles with KEYLES SGO*: press the
Start/Sto pbutton twice (position
2 (Y page 66)). X
Press on/of fswitch 008Aon the electri cair
pump to I.
The electri cairpump is switched on. The
tyr eisi nflated.
i First, TIREFIT is pumpe dinto the tyre. The
pressure can briefl yrisetoa round 5bar.
Do no tswitcho ff the electric pump dur-
in gt his phase.
X Let the electri cpum prun for fiv eminutes.
The tyr eshoul dthen have apressure of at
leas t1.8 bar.
! Do not operate the electri cairpump for
longer tha neight minutes at atime without
ab reak. It ma yotherwise overheat.
The ai rpum pcan be operated agai nonce
it ha scooled down.
If ap ressure of 1.8 bar is no treached
afte rfivem inutes:
X Switch off and disconnect the electri cair
pump and drive the vehicl eforwards or
backwards approximatel y10m.
Thi sd istributes the TIREFIT more evenly.
X Remove TIREFIT sealant fille rbottle 0046
from the electri cpum p.
X Pump up the tyr eagain. G
Ris
kofa ccident
If ap ressure of 1.8 ba risnot achieved after
fiv em inutes, the tyr eistoo badl ydam aged.
Do not drive any further .Consult aquali fied
specialist workshop which ha sthe necessary
specialist knowledge and tool stocarry out
the work required .Mercedes-Benz recom-
mend stha tyou useaM ercedes-Benz Service
Centre for thi spurpose. In particular, work
relevant to safety or on safety-relate dsys-
tems must be carrie doutataq uali fied spe-
cialist workshop. Flat tyre
267Practical advice
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