Page 225 of 313

Display messages Possible causes/consequences and
0050
0050Solutions 0055 Lef
tc or‐
nering
light
or
Right cor‐
nering
light The left- or right-hand cornering lamp
*isfaulty.
X Visit aqualified specialist workshop. 0055 Left
dipped
beam
or
Right
dipped
beam The left- or right-hand dipped-beam headlamp is faulty.
X
Halogen headlamp: replacethe bulb ( Ypage 260).
X Bi-xenon headlamp*: consultaqualified specialist work-
shop. 0055 Active
Light Sys‐
tem inop‐
erative
The active ligh
tfunction *isfaulty.
X Visit aqualified specialist workshop. 0055 Trailer
lef
ti ndi‐
cator
or
Trailer
right
indic. The left- or right-hand trailer tur
nsignal lamp is faulty.
X Replac ethe bulb. 0055 Trailer
brake lamp The trailer brak
elamp is faulty.
X Replac ethe bulb. 0055 Trailer
lef
tt ail
lamp
or
Trailer
right
tai ll amp The left- or right-hand trailer tai
llamp is faulty.
X Replac ethe bulb. 0055 AUTO
lights
inopera‐
tive The ligh
tsensor is faulty.
X Visit aqualified specialist workshop. 222
Display
messagesPractical advice
*optional
207_AKB; 2; 3, en-GB
mkalafa
,V ersion: 2.11.8.1
2009-07-23T10:23:49+02:00
-Seite 222
Page 226 of 313

Display messages Possible causes/consequences and
0050
0050 Solutions 0055 Rea
rl eft
indicator
or
Rear
right
indicator The rear left-han
dorrear right-hand tur nsignal is faulty.
X Visit aqualified specialist workshop. 0055 Lef
tm ir‐
ror indi‐
cator
or
Right mir‐
ror indi‐
cator The tur
nsignal in th eleft-han dand/o rright-hand exterior
mirror is faulty. The display message will only appea rifall
LEDs hav efailed.
X Visit aqualified specialist workshop. 0055 Front
lef
ti ndi‐
cator
or
Front
right
indicator The fron
tleft-han dorfrontright-hand tur nsignal is faulty.
X Replac ethe bulb (Y page 260). 0055 Third
brake lamp The third brak
elamp is faulty. The display message will only
appea rifall LEDs hav efailed.
X Visit aqualified specialist workshop. 0055 Left-hand
tai
ll amp/
brake lamp
or
Right-
han dt ail
lamp/
brake lamp The left- or right-hand tai
llamp/brak elamp is faulty. The dis-
play message will only be shown if several LEDs hav efailed.
X Visit aqualified specialist workshop. 0055 Lef
tm ain
beam
or
Right
mai nb eam The left- or right-hand high beam is faulty.
X
Halogen headlamp: replacethe bulb ( Ypage 260).
X Bi-xenon headlamp*: consultaqualified specialist work-
shop. 0055 Intell.
Light Sys‐
tem inop‐
erative
The Intelligent Light System* is faulty. The lights remain avail-
able without th
eIntel ligent Light System*.
X Visit aqualified specialist workshop. Display
messages
223Practical advice
*optional
207_AKB; 2; 3, en-GB
mkalafa
,V ersion: 2.11.8.1
2009-07-23T10:23:49+02:00
-Seite 223 Z
Page 227 of 313

Display messages Possible causes/consequences and
0050
0050Solutions 0055 Left
licence
plate lamp
or
Right
licence
plate lamp The left- or right-hand licence plat
elamp is faulty.
X Visit aqualified specialist workshop. 0055 Lef
tf og
lamp
or
Right fog
lamp The left-han
dorright-hand fron tfog lamp* is faulty.
X Visit aqualified specialist workshop. 0055 Rea
rl eft
fog lamp
or
Rear
right fog
lamp The left-han
dorright-hand rear foglam pisfaulty. The display
message will only be shown if several LEDs hav efailed.
X Visit aqualified specialist workshop. 0055 Front
lef
tp ark‐
ing lamp
or
Front
right
parking
lamp The fron
tleft-han dorright-hand parkin glamp is faulty.
X Halogen headlamp: replacethe bulb ( Ypage 260).
X Bi-xenon headlamp*: consultaqualified specialist work-
shop. 0055 Lef
tr ev‐
ers .l amp
or
Right rev‐
ers .l amp The left- or right-hand reversin
glamp is faulty.
X Visit aqualified specialist workshop. 0055 Lef
td ay‐
tim ed riv‐
ing lamp
or
Right day‐
tim ed riv‐
ing lamp The left- or right-hand daytime drivin
glamp is faulty.
X Visit aqualified specialist workshop. 224
Display
messagesPractical advice
*optional
207_AKB; 2; 3, en-GB
mkalafa
,V ersion: 2.11.8.1
2009-07-23T10:23:49+02:00
-Seite 224
Page 228 of 313

Display messages Possible causes/consequences and
0050
0050 Solutions 0055 Switch
off lights The lights are still switched on when you leav
ethe vehicle. A
warnin gtonea lso sounds.
Coupé:
X Tur nthe ligh tswitch to 0027or0066.
or
X If th erear foglam pisswitched on :press th eligh tswitch in
to th estop.
Cabriolet:
X Tur nthe ligh tswitch to 0066. 0055 Malfunc‐
tio
nS ee
Owner's
Manual The exterio
rlighting is faulty.
X Visit aqualified specialist workshop. Vehicles wit
htrailer to whitch*: afusem ay hav eblown.
X Chec kthe fuses (Y page 281).
X If necessary, replac ethe blown fuse. Observ ethe warning
notes.
If th edisplay message continues to be displayed:
X Visit aqualified specialist workshop. 00A0 Replace
air
cleaner
The engin
eair filte risdirty and mus tbereplaced. 41
X Visit aqualified specialist workshop. 00B4 Check
eng
.o il
lev .w hen
nex tr efu‐
elling The engin
eoil level has dropped to acriticallevel. Awarning
tone also sounds.
X Chec kthe engin eoil level ( Ypage 182).
X If necessary, to puptheengin eoil.
X Hav ethe engin echecked forl eak sift heengin eoil needs
toppin gupm oreo ften than usual. 0039 Change
key bat‐
teries The ke
ybatterie sare discharged.
X Change th ebatterie s(Ypage 259). 41
Only fo rcertai nvehicles. Display
messages
225Practical advice
*optional
207_AKB; 2; 3, en-GB
mkalafa
,V ersion: 2.11.8.1
2009-07-23T10:23:49+02:00
-Seite 225 Z
Page 229 of 313

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
*optional
207_AKB; 2; 3, en-GB
mkalafa
,V ersion: 2.11.8.1
2009-07-23T10:23:49+02:00
-Seite 226
Page 230 of 313

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
227Practical advice
*optional
207_AKB;2;3,e
n-GB
mkalafa, Version: 2.11.8.1 2009-07-23T10:23:49+02:00-Seite 227 Z
Page 231 of 313

Display messages Possible causes/consequences and
0050
0050Solutions 0081 Front
lef
tm al‐
function
Consult
workshop
or
Front
right mal‐
function
Consult
workshop G
Risk of injury
SRS has malfunctioned at th efront on th eleftorr ight.The
0081 warnin glamp also lights up in th einstrument cluster.
X Visit aqualified specialist workshop. 0081 Rea
rl eft
malfunc‐
tio nC on‐
sul tw ork‐
shop
or
Rear
right mal‐
function
Consult
workshop G
Risk of injury
SRS has malfunctioned in th erear *ont heleftorr ight.The
0081 warnin glamp also lights up in th einstrument cluster.
X Visit aqualified specialist workshop. 0081 Left
windowbag
malfunc‐
tio
nC on‐
sul tw ork‐
shop
or
Right
windowbag
malfunc‐
tio nC on‐
sul tw ork‐
shop G
Risk of injury
There is amalfunction in th eleft-han dand/o rright-hand
windowbag. The 0081warnin glamp also lights up in the
instrumen tcluster.
X Visit aqualified specialist workshop. 00AA There is only
asma ll amount of fue linthefuel tank.
X Refuel at th eneares tfillin gstation. 00B8 Reserve
fue
ll evel The fuel level has fallen belo
wthe reserv erange.
X Refuel at th eneares tfillin gstation. 228
Display
messagesPractical advice
*optional
207_AKB; 2; 3, en-GB
mkalafa
,V ersion: 2.11.8.1
2009-07-23T10:23:49+02:00
-Seite 228
Page 232 of 313

Display messages Possible causes/consequences and
0050
0050 Solutions 0073 Malfunc‐
tio
nC on‐
sul tw ork‐
shop G
Risk of injury
The rol lbars are defective.
X Visit aqualified specialist workshop immediately. 0059 Converti‐
ble Top
Operation
possible
to 40 km/h If you drive at speeds of mor
ethan40k m/h,you canno topen
or close th eroof.
X Full yopen or close th esoftt op ( Ypage 161). 0059 Top lower‐
ing The sof
ttop is no tfull yo pened or closed .The hydraulic sare
depressurised.
X Full yopen or close th esoftt op ( Ypage 161). 0059 Open/
close top
completely The roo
fisnotlocked. If you drive at speeds of mor ethan
40 km/h, you canno topen or close th eroof.
X If you are drivin gatspeeds of mor ethan4 0km/ h,reduce
your speed.
X Push or pull th esoft-to pswitch (Y page 161), until th esoft
to pisf ullyo pen or closed. 0059 Top opera‐
tion
Please
wait The on-boar
dvoltag eistoolow.
X Start th eengine. The sof
ttop has been opened and closed several times in a
row .The soft-to pdrive has been switched of fautomatically
fo rs afet yreasons.
You can open and close th esoftt op again after approximately
te nm inute s(Ypage 161).
X Switc hoffthei gnition and tur nitbacko n.
X Repea tthe openin gorclosingprocedure. 00BE Top up
washer
fluid The washer flui
dlevel in th ewasher flui dreservoir has drop-
ped belo wthe minimum.
X Top up th ewasher flui d(Ypage 183). Display
messages
229Practical advice
207_AKB; 2; 3, en-GB
mkalafa,V ersion: 2.11.8.1
2009-07-23T10:23:49+02:00
-Seite 229 Z