Display messages Possible causes/consequences and
0050
0050 Solutions 003F The battery is no
tbein gcharged. Awarnin gton ea lso sounds.
Possibl ecauses are:
R af ault yalternator
R at ornp oly-V-belt
R am alfunction in th eelectronics
X Pull ove rand stop th evehicl esafely, payin gattention to
roa dand traffic condition sand leav ethe engin erunning.
X Ope nthe bonnet.
X Chec kwhether th epoly-V-belt is torn.
If th epoly-V-belt is torn:
! do no tcontinu edriving. The engin ecould otherwise over-
heat.
X Switc hoffthee ngine.
X Consult aqualified specialist workshop.
If th epoly-V-belt is OK:
X Visit aqualified specialist workshop. 0026 Check
brake wear The brak
epads/lining shaver eached their wear limit.
X Visit aqualified specialist workshop. 004D Check
brake
fluid
level
G
Risk of accident
There is insufficien tbrak efluidint hebrak efluidr eservoir .In
addition ,the 004D indicato rlamp in th einstrument cluster
lights up and awarnin gtones ounds.
X Pull ove rand stop th evehicl esafely as soo naspossible,
payin gattention to roa dand traffic conditions. Do no tcon-
tinue drivin gunder any circumstances.
X Consult aqualified specialist workshop.
Do no ttop up th ebrak efluid. This will no trectify th efault. 004D Release
parking
brake You are drivin
gwitht he parkin gbrak eapplied. Awarnin gtone
also sounds.
X Releas ethe parkin gbrake. Display
messages
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Display messages Possible causes/consequences and
0050
0050Solutions 004D EBD
,A BS
and ESP
inopera‐
tiv eS ee
Owner's
Manual G
Risk of accident
EB V( electronic brak eforce distribution), ABS, ESP ®
,B AS,
PRE-SAFE ®
,t he HOLD function ,hill start assist and ESP ®
trailer stabilisation are no tavailable due to amalfunction .In
addition ,the 00C6 ,00C7 and0031 warnin glamp sint he
instrumen tcluster ligh tupandaw arnin gtones ounds.
The brak esystem continues to function normally, but without
th ef unction slisted above. ATTENTION ASSIST is deactivated.
X Drive on carefully.
X Visit aqualified specialist workshop immediately. 004D Brake
immedi‐
ately Am
alfunction has occurred while th eHOLDf unction or DIS-
TRONIC PLUS* is active.
or
Vehicles wit hmanual transmission: wit hthe HOLD function
activated, you hav eeither:
R opened th edriver's doo rand release dthe seat belt or
R switched of fthe engin eor
R opened th ebonnet
At onem ay also soun datregular intervals. The tone becomes
loude rifyou attemp ttolockt he vehicle.
You canno tstart th eengine.
X Payin gattention to th etraffic situation ,immediately
depress th ebrak epedal firmly and hold until th edisplay
message disappears.
X Preven tthe vehicl efromr ollin gaway before you leav eit
( Ypage 100).
You can restar tthe engine. 00AE Coolant
Sto
pv ehi‐
cle
Switch
engine off The coolan
tistoohot .Ina ddition ,the 00AE warnin glamp in
th ei nstrument cluster lights up and awarnin gtones ounds.
X Pull ove rand stop th evehicl esafely and switch of fthe
engine, payin gattention to roa dand traffic conditions.
X Mak esuret hatthe air supply to th eradiato risnotblocked,
e.g. by snow, slus horice.
X Wait until th edisplay message disappear sbefore restarting
th ee ngine. Otherwise ,the re is ariskofe ngined amage.
X Pay attention to th ecoolan ttem perature display.
X If th ecoolan ttem perature increase sagain ,visit aqualified
specialist workshop immediately. 220
Display
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Problem Possible causes/consequences and
0050
0050Solutions 00B8
The yellow
reserve fuel
warning lamp
lights up while
the engine is
running. The fuel level has fallen below the reserve range.
X
Refuel at the nearest filling station. Warning tones
Problem Possible causes/consequences and
0050 0050Solutions The anti-theft warning
alarm* is triggered. You have opened the vehicle with the anti-theft alarm system still
activated*.
X
Switch off the alarm (Y page 58).You hear
awarning
tone. Am
essage appears in the multi-function display.
X See the explanations for the display message (Y page 208).You are driving with the parking brake applied.
X
Release the parking brake. The lights are still switched on when you leave the vehicle.
Coupé:
X
Turn the light switch to 0027or0066.
or
X If the rear foglamp is switched on: press the light switch in to
the stop.
Cabriolet:
X Turn the light switch to 0066. G
Risk of injury
The driver or front passenger has not fastened their seat belt.
X Fasten your seat belt (Y page 76).You hear
acontinuous
tone. You have switched the engine off, opened the driver's door and
released the seat belt, or opened the bonnet,w
ith the HOLD func-
tion or Distronic Plus* activated.
X Deactivat ethe HOLD function (Y page 135).
or
X Deactivat eDistronic Plus* (Y page 131). Troubleshooting
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Problem Possible causes/consequences and
0050
0050Solutions You hear
awarning
tone. The red distance warning lamp*
00BAlights up while the vehicle
is in motion.
X Observe the explanations for the distance warning lamp*
(Y page 232). Accident
Problem Possible causes/consequences and
0050 0050Solutions Fuel is leaking from the
vehicle.
G
Risk of fire
The fuel line or the fuel tank has been damaged. The leaking fuel
creates arisk of fire or explosion.
X Switch off the ignition immediately.
X Remove the ignition key.
Do not restart the engine under any circumstances. The leaking
fuel creates arisk of fire or explosion.
X Consult aqualified specialist workshop. You are unable to
determine the extentof
the damage.
X
Consult aqualified specialist workshop. You cannot detect any
damage.
X
Start the engine as normal. The active bonnet func-
tion (pedestrian protec-
tion) has been trig-
gered. Your vehicle has been involved in
afrontal collision.
X Reset the triggered active bonnet (pedestrian protection)
(Y page 256). The NECK-PRO head
restraint
sonthe driv-
er's and front-
passenger seats have
been triggered. Your vehicle has been involved in
arear-end collision.
X Reset the NECK-PRO head restraint s(Ypage 257). 238
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in cloth) fro
mthe right-han dedge, pulling
it up and out.
X Press release button 0047down and simul-
taneously mov ethe selector lever out of
position P.
The selector lever can now be moved freely
until it is returne dtoposition P. Resetting th
eactive bonnet (pedes-
trian protection) after triggering
i The active bonnet is only available in cer-
tain countries. Example: Coupé
The bonnet is raised at the back by approx-
imately 50 mm when active bonnet
0046is trig-
gered. Covers 0047are the nnolonger on hous-
ing 008A.
You can reset atriggere dbonnet yourself.
! Do not tr ytop ress down the raised bon-
net at the back .Otherwise, the bonnet
could be damaged.
You can continue drivin gwithatriggered
active bonnet and have it reset at aqualified
specialist workshop. If you pull the bonnet
release lever ,you must reset the bonnet
befor eyou continue driving. Resetting
G
Risk of accident
If you pull the bonnet release lever and then
neglect to reset the bonnet, it will not lock at
the front when closed. The bonnet can then
open when the vehicle is in motion and
obscure your field of vision .Ifyou pull the
bonnet release lever ,you must reset the bon-
net befor edrivin gon. G
Risk of injury
There is arisk of injury if the bonnet is open,
even if the engine is not running.
Som eengine component scan become very
hot.
To avoid the risk of burns, only touc hthose
component sdescribed in the Owner's Manual
and observe the relevant safet ynotes.
X Open the bonnet (Y page 180). Example: Coupé
X
Swin gthe bonnet up in centre 0086with both
hands ,until the covers of bot hbonnet
actuators 0047no longer move.
Significant resistance can be felt when the
covers are pressed back down.
X Release bonnet 0046.
X Make sure that bonnet actuator cov-
ers 0047lie flat against housing 008A(arrow). 256
Resetting thea
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X
If bonnet actuator covers 0047
0047lie flat
against th ehousing: close bonnet 0046
(Y page 180).
or
X If bonnet actuator covers 0047 0047do not lie
fla ta gainst th ehousing: swingupb on-
net 0046at left 0088and then at right 0087.Swing
bonnet 0046upward suntil th erelevan tbon-
ne ta ctuato rcover 0047 no longer moves.
Bonnet actuato rcovers 0047should no wlie
flat against housing 008A(arrow).
X Close bonnet 0046(Ypage 180).
If bonnet 0046canno tbeclosed or the 005A
symbol appear sinthemultifunction display,
repeat th esteps again. G
Ris
kofa ccident
If th ebonne tcan still no tbeengaged properly
or the 005Asymbol appear sinthemultifunc-
tio nd isplay, do no tcontin ue driving .The bon-
ne tc an then open when th evehicle is in
motion and obscure your fiel dofvision.Con-
sult aqualified specialist workshop. Other-
wise, you may caus eanacciden tand injure
yourself and others. Resetting triggered NECK-PR
Ohead
restraints
If th eNECK-PRO head restraint sare triggered
in an accident, you must reset th ehead
restraint sonthedriver' sand th efront-pa s-
senger's seats. Otherwise, th eadditional pro-
tection will no tbeavailable in th eevent of
another rear-end collision. You can recognise
when head restraint shave been triggered by
th ef acttha tthe yh ave moved forwards and
can no longer be adjusted.
Mercedes-Ben zrecommends that you have
NECK-PRO head restraint schecked at aquali-
fied specialist workshop, e.g. aMercedes-
Ben zServic eCentre, followin garear-end col-
lision. i
This work requires alot of strength. If you
have difficult yresettin gthe head
restraints, have this work carried out at a
qualified specialist workshop, e.g. a
Mercedes-Ben zServic eCentre. Example
:Coupé
X Tilt th etop of th ehead restraint cushion
forwards in th edirection of arrow 0046.
X Push th ehead restraint cushion down in
th ed irection of arrow 0047as far as it will go.
X Push th ehead restraint cushion firmly
backwards in th edirection of arrow 008Auntil
it engages.
X Repeat this procedure for th esecon dhead
restraint. Manually lowering th
ehead
restraints in th erear(Cabriolet)
If th ehead restraint sintherear compartment
are in th eupper position, th esoftt op cannot
be closed fully. If th ehead restraint electron-
ics are malfunctionin gand th eadjustment
procedure of th esoftt op is interrupted leav-
ing th esoftt op compartmen tcover open ,you
therefor ehave to lower th ehead restraint sin
th er ear compartmen tmanually. Cover 0047
can only be released when th esoftt op is in
this position. Manually lowerin
gthe hea drestraint sintherea r(Cabriolet)
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Overview: changing bulbs/bulb types
You can replace the following bulbs: Halogen headlamps Bulb type
0046
Dipped-beam headlamps 43
:H755W
0047Main-beam headlamp: H7 55 W
008A Side lamp/parkin glamp: W5W
0088Turn signal lamp 43
:PY21W Bi-xenon headlamps* Bulb type
0046
Cornerin glight*: H7 55 W Changing bulbs
Dipped-beam headlamps( halogen
headlamps) Due to their location
,have the bulbs in the
left-hand headlamp changed at aqualified
specialist workshop, e.g. aMercedes-Benz
Service Centre.
X Switc hoff the lights.
X Open the bonnet.
X Turn housing cover 0046anti-clockwise and
remove it.
X Turn bulb holder 0047anti-clockwise and
remove it.
X Remove the bulb from bulb holder 0047.
X Inser tthe new bulb intob ulb holder0047.
43 Due to their location ,have the bulbs in the left-hand headlamp changed at aqualified specialist workshop,
e.g. aMercedes-Benz Servic eCentre. Changing bulbs
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X
Insert bulbh older0047and turn it clockwise.
X Align housing cover 0046and turn it clock-
wise.
Main-beam headlamps (halogen head-
lamps)/cornering lamp* (Intelligent
Light System*) X
Switch off the lights.
X Open the bonnet.
X Turn housing cover 0046anti-clockwise and
remove it.
X Turn bulbh older0047anti-clockwise and
remove it.
X Remove the bulbf rom bulbholder0047.
X Insert the new bulbi nto bulbholder0047.
X Insert bulbh older0047and turn it clockwise.
X Align housing cover 0046and turn it clock-
wise.
Side lamp/parking lamp (halogen head-
lamps) X
Switch off the lights.
X Open the bonnet.
X Turn housing cover 0046anti-clockwise and
remove it.
X Pullo ut bulbh older0047.
X Remove the bulbf rom bulbholder0047.
X Insert the new bulbi nto bulbholder0047.
X Insert bulbh older0047.
X Align housing cover 0046and turn it clock-
wise.
Turn signal lamp (halogen headlamps) Due to their location, have the bulbs in the
left-hand headlamp changed at
aqualified
specialist workshop, e.g. aMercedes-Benz
Service Centre.
X Switch off the lights.
X Open the bonnet.
X Turn bulbh older0046anti-clockwise and
remove it.
X Turn the bulba nti-clockwise, applying
slight pressure, and remove it from bulb
holder 0046.
X Insert the new bulbi nto bulbholder0046and
turn it clockwise.
X Insert bulbh older0046and turn it clockwise. 262
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