Page 257 of 317

Troubleshooting
254 Problem Possible cause/consequence Suggeste
dsolutions Th
ev ehicl ecannot be started
using the KEYLESS GO key and
the KEYLESS GO button. Th eKEY-
LESS GO key is in the vehicle. Ad
ooriso pen. Th ekey therefore
cannot be detecte dsoeasily. X
Clos ethe door and try to start the vehicl eagain. Yo
ud idnot depress the brake
when starting the engine. X
Depres sthe brake and press the KEYLESS GO button. There is interferenc
efromap ow-
erful source of radi owaves. X
Star tyou rv ehicl eusing the KEYLESS GO key in the ignition lock. Yo
uh avel ostthe KEYLESS GO
key. X
Have the KEYLESS GO key cancelle dataMercedes-Benz Service
Centre.
X Report the loss immediatel ytothe vehicl einsurers.
X If necessary ,havet he manua lloc ks change dtoo. Parkin
gupthe vehicle Problem Possible cause/consequence Suggeste
dsolutions Th
ev ehicl eistobel eftp arked up
for longe rtha ns ixweeks. Damag
eresulting fro mnon-use
ma yoccu rift he vehicl eisparked
up for long periods. X
Visi taq ualified specialis tworkshop and seek advice.
X Disconnect the battery ( Ypage 277). Practical advice
230_AKB; 5; 4, en-GB
bjanott,
Version: 2.9.6 2008-04-08T15:09:54+02:00-Seite 254 Dateiname: 6515_3089_02_buchblock.pdf; preflight
Page 258 of 317

Locking/unlockin
ginanemergency 255Locking/unlocking in an emergency
Emergency key
If th evehicle can no longer be unlocked or
locke dwith th ekeyor th eKEYLESS GO
key*, use th eemergency ke yelement.
If you use th eemergency ke yelemen tto
unlock and open th edriver' sdoor or th eboot
lid, th eanti-thef talarm system* will be trig-
gered (Y page 59).
Ther eare several ways to tur noff th ealarm:
X Press the korj buttonont hekey.
or
X Inser tthe keyintot he ignition lock.
or
X Press th eKEYLESS GO button* on the
selecto rlever. The KEYLESS GO key* must
be in th evehicle.
or
X Loc koru nlock th evehicle usin gKEYLESS
GO*. The KEYLESS GO key* must be out-
side th evehicle. Releasing and removing th
eemergency
key element 1
Release catch
2 Emergency ke yelement
X Push release catch 1in th edirection of
th ea rrow and at th esame tim eremove
emergency ke yelement 2from th ekey. Unlocking th
evehicle
If th evehicle can no longer be unlocked cen-
trally with th ekeyor th eKEYLESS GO key*:
X Remov ethe emergency ke yelemen tfrom
th ek ey ( Ypage 255). $
To unlock
X Inser tthe emergency ke yelemen tint ot he
loc koft hedriver' sdoor as far as it will go.
X Turn th eemergency ke yelemen tanti-
clockwise to position $.
The door is unlocked.
i On right-hand-driv evehicles, tur nthe
emergency ke yelemen tclockwise.
X Turn th eemergency ke yelemen tback and
remove it. Practical advice
*o ptional
230_AKB
;5;4,en-GB
bjanott ,V ersion: 2.9.6
2008-04-08T15:09:54+02:00
-Seite 255 ZDateiname: 6515_3089_02_buchblock.pdf; preflight
Page 259 of 317

Locking/unlockin
ginanemergency 256 Locking th
evehicle
If th evehicle can no longer be locke dcen-
trally with th ekeyor th eKEYLESS GO key*:
X Open th edriver' sdoor.
X Close th efront-pa ssenger door and the
boot lid.
X Press th elockin gbutto n(Ypage 68).
X Chec kwhether th elockin gknobont he
front-passenger door is still visible. Press
down th elockin gknobm anually if neces-
sary.
X Close th edriver' sdoor.
X Remov ethe emergency ke yelemen tfrom
th ek ey ( Ypage 255). $
To lock X
Insert the emergenc ykey elemen tint ot he
lock of the driver's door as far as it will go.
X Turn the emergenc ykey elemen tclockwise
as far as it will go to position $.
i On right-hand-drive vehicles, tur nthe
emergenc ykey elemen tanti-clockwise.
X Turn the emergenc ykey elemen tback and
remove it.
X Check whether the doors and the boot lid
are locked. Opening/closing th
eboot
To unlock th eboot !
The boot lid swing supwards when
opened. Therefore, make sure that there is
enough space above the boot lid.
If the boot can no longer be unlocked with the
key or the KEYLESS GO key*:
X Remove the emergenc ykey elemen tfrom
the key (Y page 255). To unloc
kthe boot
1 Boot lock
2 Handle
X Insert the emergenc ykey elemen tfully into
boot lock 1.
X Turn the emergenc ykey elemen tanti-
clockwise as far as it will go and pull boot
lid handle 2.
The boot is unlocked.
X Turn the emergenc ykey elemen tback and
remove it. Practical advice
*optional
230_AKB; 5; 4, en-GB
bjanott
,V ersion: 2.9.6
2008-04-08T15:09:54+02:00
-Seite 256 Dateiname: 6515_3089_02_buchblock.pdf; preflight
Page 260 of 317

Locking/unlockin
ginanemergency 257
Opening th
eboot manually (remote
boot lid closing feature*) To open th
eboot lid
1 Handle
X Lif tthe boot lid by handle 1.
Closing th eboot manually (remote boot
lid closing feature*) G
Ris
kofi njury
Mak esure that nobody can become trap-
ped as you close th eboot lid.
i Do no tleave th ekeyin th eboot .You
coul dotherwise loc kyourself out. To close th
eboot lid
1 Recess
X Pull th eboot lid down usin grecess 1.
X If necessary, close th eboot lid from the
outside by pushing down th eedge.
i Withthe roo fopen ,the boot lid can only
be closed if th eroofh as been lowered
(Y page 164). Unlocking th
estowage compart-
ments
If th einterio rstowage compartments can no
longer be unlocked with th ekey,t heKEYLESS
GO key* or th ecentral lockin gbutton, use the
emergency ke yelement.
The interio rstowage compartments include:
R theg lovec om partment
R thes towage compartmen tunde rthe arm-
rest
R thes towage compartments in th erear
i Only th eglovec ompartmen tcan be
unlocked with th eemergency ke yelement. $
To unlock th eglovec ompartmen tsepa-
rately: Practical advice
*o ptional
230_AKB
;5;4,en-GB
bjanott ,V ersion: 2.9.6
2008-04-08T15:09:54+02:00
-Seite 257 ZDateiname: 6515_3089_02_buchblock.pdf; preflight
Page 261 of 317

Changing th
ebatteries 258
X
Remove th eemergenc ykey elemen tfrom
th ek ey ( Ypage 255).
X Inser tthe emergenc ykey elemen tint ot he
loc koft heglov ecom partmen tand tur nit
to position $.
You can open th eglovec om partment. Lowering th
eloading aid manually
If it is no longer possible to lower th estowed
roo fint heboot usin gthe loadin gaid, and you
therefor ecanno tclose th eboot ,proceed as
follows: 1
Alle nkey
2 Lockin gscrew X
Remov ethe inner floo rfromt heboot.
X Lif tthe cover in th eboot floo rontheleft.
X Ask another person to lift and hold the
stowed roof.
X Use Alle nkey1 from th evehicle tool kit
to carefully tur nlocking screw 2anti-
clockwis ebyaquarter of aturn.
X Close th eboot separator (Y page 156).
X Let go of th eroof.
The roof is lowered slowly.
X Fasten locking screw 2clockwis ebya
quarter of aturno ncet he roof has been
lowered completely.
! Do not fasten th escrew to otightly.
X Put th ecover back on th eboot floor.
X Place th einner floo rback in th eboot.
X Visit aspecialist workshop, e.g .a
Mercedes-Ben zServic eCentre, as soon as
possible. Changing th
ebatteries Notes
It is advisabl etohave th ebatteries replaced
at aq ualified specialist workshop, e.g .ata
Mercedes-Ben zServic eCentre. G
Risk of poisoning
Batteries contain toxic and caustic sub-
stances. For this reason, kee pbatteries
away from children.
If ab attery is swallowed, consult adoctor
immediately. H
Environmental note
Do not dispos eofbatteries with th ehouse-
hold rubbish .They contain highly toxic sub-
stances.
Take discharge dbatteries to aqualified
specialist workshop, e.g .aMercedes-Benz
Servic eCentre, or to aspecial collection
poin tfor old batteries. Practical advice
230_AKB; 5; 4, en-GB
bjanott
,V ersion: 2.9.6
2008-04-08T15:09:54+02:00
-Seite 258 Dateiname: 6515_3089_02_buchblock.pdf; preflight
Page 262 of 317

Changing th
ebulbs 259Key or KEYLESS GO key*
Checking th ebatteries X
Press the jork button.
The batteries are in order if th ebattery
charge indicator lamp lights up briefly.
Changing th ebatteries You require two CR 2025
3Vcellb atteries.
X Remove th eemergenc ykey elemen tfrom
th ek ey ( Ypage 255). 1
Emergency ke yelement
2 Battery tray X
Inser temergenc ykey element 1intot he
opening in th ekeyand push in th edirection
of th earrow.
Battery tray 2is released.
X Pull battery tray 2out of th ekey. 1
Batteries
X Remove old batteries 1from th ebattery
tray.
X Inser tthe newb atteries beneat hthe con-
tac tspring wit hthe positive termina lfacing
upwards. Use alint-free cloth to do so.
X Push th ebattery tray bac kintot he key
housing until th ebattery tray engages.
X Chec kthe function of all ke ybuttons on the
vehicle. Changing th
ebulbs Notes on changing bulbs
Bulb sand lamps are an important aspec tof
vehicl esafety. You must therefor emakes ure
that all bulbs function correctl yatall times. G
Ris
kofi njury
Bulb sand lamps can be ver yhot.Y ou
should therefor eallow them to cool down
before you chang ethem. Otherwise, you
could be burned if you touch them.
Kee pbulbs out of th ereac hofc hildren.
Otherwise, they could damag ethem, for
example, and injure themselves.
Never use abulb whic hhas been dropped.
Suc hab ulb may explode and injure you.
H7 bulbs are pressurised and could explode
when you chang ethem, particularly if they
are ver yhot.Y ou should therefor ewear eye
protection and gloves when you are chang-
ing them. G
Ris
kofi njury
Xenon bulbs are under high voltage. You
could get an electric shock and be seriously
or eve nfatally injured if you touch th eelec-
tric contact sonxenonbulbs.Don ot,the re-
fore, remove th ecover on xeno nbulbs. Practical advice
*o ptional
230_AKB; 5; 4, en-GB
bjanott
,V ersion: 2.9.6
2008-04-08T15:09:54+02:00
-Seite 259 ZDateiname: 6515_3089_02_buchblock.pdf; preflight
Page 263 of 317

Changing th
ebulbs 260 Do no
tchang ex enon bulbs yourself ,but
have them replace dataqualified specialist
workshop whic hhas th eneces saryspecial-
ist knowledge and tools to carry out the
wor krequired.
Mercedes-Benz recommends that you use
aM ercedes-Benz Service Centr efor this
purpose .Inparticular, wor krelevan tto
safet yoro nsafety-related systems must be
carried out at aqualified specialist work-
shop.
! Do no tchang et he LEDs yourself .You
could otherwise damag ethe LEDs or parts
of th evehicle. Overview Front bulbs
Bulb Type
1 Additional turn
signal lamp LEDs
23 2 Turn signal
PY 24 W
23 3 Dipped-beam
headlamps
D1S35W
24 4 Main-beam
headlamp H7 55 W
Side lamp/park-
ing lamp W5W(
Blue
Vision) Cornering
light*
25 H7 55 W
5 Front foglamp
H11 55 W
23 23
These bulbs must be replaced at aqualifie dspecialist workshop, e.g .aMercedes-Ben zServic eCentre.
24 Vehicles with bi-xenon headlamps: always have these bulbs changed at aqualifie dspecialist workshop, e.g .aMercedes-Ben zServic eCentre.
25 Vehicles with Intelligen tLight System*. Practical advice
*optional
230_AKB; 5; 4, en-GB
bjanott ,V ersion: 2.9.6
2008-04-08T15:09:54+02:00
-Seite 260 Dateiname: 6515_3089_02_buchblock.pdf; preflight
Page 264 of 317

Changing th
ebulbs 261
Rea
rbulbs Bulb Type
6 Rear foglamp P21W
7 Thir
dbrak elamp LED
23 8 Reversing lamp P21W
9 Brake/tail lamp
LED
23 a Licence plate
lamp C5W
b Turn signal PY 21 W
Before changing bulbs
You can replace th
efollowin gbulbs:
R Main-beam headlamp
R Sid elamp and parking lamp
R Replacing th ebulb in th ecorner ingl ight*
(vehicles wit hIntel ligent Light System*)
R Reversing lamp
R Rear foglamp R
Turn signal (rear)
R Licence plat elamp
Observ ethe followin gpoints:
R Use only th ebulb types specifie dhere.
R To preven tashort-circuit ,switch off the
lights before changing abulb.
R Only hold bulbs wit haclean, lint-free cloth.
R Do no tworkw ithw et or greasy fingers.
R If th enew bulb still does no tligh tup, con-
sult aqualified specialist workshop, e.g. a
Mercedes-Benz Service Centre.
i Hav ethe headlamp setting checke dreg-
ularly at aqualified specialist workshop,
e.g. aMercedes-Benz Service Centre. Changing th
efront bulbs Headlamps
1
Housin gcover for main-beam headlamp/
side lamp/parking lamp/cornering
light* 26
23 These bulbs mus tbereplace dataq ualified specialist workshop ,e.g.aM ercedes-Ben zServic eCentre.
26 Vehicles wit hIntel ligent Light System*. Practical advice
*o ptional
230_AKB; 5; 4, en-GB
bjanott
,V ersion: 2.9.6
2008-04-08T15:09:54+02:00
-Seite 261 ZDateiname: 6515_3089_02_buchblock.pdf; preflight