brake MERCEDES-BENZ E-CLASS COUPE 2009 Repair Manual

Display messages Possible causes/consequences and
0050
0050 Solutions 0083 G
Risk of accident
The bonne tisopen.Aw arnin gtonea lso sounds.
X Pull ove rand stop th evehicl esafely as soo naspossible,
payin gattention to roa dand traffic conditions.
X Clos ethe bonnet.
If th eactive bonne t(pedestrian protection )has been trig-
gered:
X Rese tthe bonne t(Ypage 256).
X Clos ethe bonnet. 0048 At leas
tone doo riso pen.Aw arnin gtonea lso sounds.
X Clos ethe doors. 004D ABS and
ESP cur‐
rently
unavaila‐
ble See
Owner's
Manual G
Risk of accident
AB S(Anti-l ockB raking System), ESP ®
(Electronic Stability
Program), BA S(Brak eA ssist) ,PRE-SAFE ®
,t he HOLD function,
hill start assist and ESP ®
trailer stabilisation are temporarily
no ta vailable. The on-boar dvoltag emay, fo rexample, be
insufficient. BA SPLUS* (Brak eAssistP LUS) and PRE-
SAFE ®
Brake *may be inoperative as well. In addition ,the
00C6 ,00C7 and0031 warnin glamp sligh tupint heinstrument
cluster.
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. 004D ABS and
ESP inop‐
erative
See Own‐
er'
sM an‐
ual G
Risk of accident
ABS, ESP ®
,B AS ,PRE-SAFE ®
,t he HOLD function ,hill start
assist and ESP ®
trailer stabilisation are no tavailable due to a
malfunction .BAS PLUS* and PRE-SAFE ®
Brake *may also
hav efailed. In addition ,the 00C6 ,00C7 and0031 warning
lamp sligh tupint heinstrumen tcluster.
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. Display
messages
217Practical advice
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Display messages Possible causes/consequences and
0050
0050Solutions 00F2 ESP inop‐
erative
See Own‐
er'
sM an‐
ual G
Risk of accident
ESP ®
,B AS ,PRE-SAFE ®
,t he HOLD function ,hill start assist
and ESP ®
trailer stabilisation are no tavailable due to amal-
function .BAS PLUS* and PRE-SAFE ®
Brake *may also have
failed. In addition ,the 00C6 and00C7 warnin glamp sligh tup
in th einstrument cluster.
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. 0078 Check
trailer
hitch lock
G
Risk of accident
The trailer to whitch *isn otcorrectl yengaged. Awarnin gtone
also sounds.
X Pull ove rand stop th evehicl esafely as soo naspossible,
payin gattention to roa dand traffic conditions.
X Engage th eball couplin gintheendp osition (Y page 193). 00AF Attention
Assist:
Tim
ef or
ab reak? Based on specific criteria, ATTENTION ASSIST has deter-
mined that your concentration has waned. Awarnin gtone
also sounds.
X If necessary, tak eabreak.
Durin glon gjou rneys, tak eregular breaks in goo dtimesoy ou
get enough rest. 00AF Attention
Assist
inopera‐
tive ATTENTION ASSIST is inoperative.
X
Visit aqualified specialist workshop. 218
Display
messagesPractical advice
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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
219Practical advice
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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
messagesPractical advice
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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
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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
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Warning and indicator lamps in the instrument cluster
Problem Possible causes/consequencesa
nd0050
0050Solutions 0031
The yellow ABS
warning lamp is
lit while the
engine is run-
ning. G
Risk of accident
ABS (Anti-lock Brake System) is deactivated due to afault. For this
reason, ESP ®
(Electronic Stability Program), BAS (Brake Assist),
BAS PLUS* (Brake Assist PLUS), PRE-SAFE ®
,P RE-SAFE ®
Brake*,
the HOLD function, hil lstart assist and ESP ®
trailer stabilisation
are also deactivated, for example.
The brake syste mcontinues to function normally,b ut without the
functions listed above. Therefore, the wheels coul dlock if you
brake hard.
ATTENTION ASSIST is deactivated.
X Observe the additiona lmessages in the multi-function display
(Y pag e208).
X Drive on carefully.
X Visi taq ualified specialist workshop. 00BA
The red distance
warning lamp*
lights up while
the vehicl eisin
motion. G
Risk of accident
The distance to the vehicl einfront is too smal lfor the speed
selected.
X Increase the distance. 00BA
The red distance
warning lamp*
lights up while
the vehicl eisin
motion. Awarn-
ing tone also
sounds. G
Risk of accident
You are approaching avehicl einf ront at too grea taspeed
X Be prepared to brake immediately.
X Pay carefu lattention to the traffic situation. You may have to
brake or take evasive action. 00BA
The red distance
warning lamp*
lights up while
the vehicl eisin
motion. Awarn-
ing tone also
sounds. G
Risk of accident
Distronic Plus* has detected astationary obstacle in you rline of
travel .The vehicl ewilln ot be braked automatically.
X Be prepared to brake immediately.
X Pay carefu lattention to the traffic situation. You may have to
brake or take evasive action. 232
TroubleshootingPractical advice
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ptional
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Problem Possible causes/consequences and
0050
0050Solutions 00C6
The yellowE SP®
warning lamp
flashes while the
vehicle is in
motion. G
Risk of accident
ESP ®
or traction control has intervened because there is arisk of
skidding or at least one wheel has started to spin.
Cruise control or Distronic Plus* is deactivated.
X Only depress the accelerator pedal as far as necessary when
pulling away.
X Release the accelerator pedal while you are driving.
X Adapt your driving style to suit the road and weather conditions.
X Do not deactivate ESP ®
.
Exceptions: (Y page 55) 00C7
The yellow ESP ®
OFF warning
lamp is lit while
the engine is
running. G
Risk of accident
ESP ®
and ESP ®
trailer stabilisation are deactivated. ESP ®
will not
stabilise the vehicle if it starts to skid or if awheel starts to spin.
X Reactivate ESP ®
.
Exceptions: (Y page 55)
X Adapt your driving style to suit the road and weather conditions. 00C6
00C7
The yellow ESP
®
and ESP ®
OFF
warning lamps
are lit while the
engine is run-
ning. G
Risk of accident
ESP ®
,B AS,B AS PLUS* ,PRE-SAFE ®
,P RE-SAFE ®
Brake*, the
HOLD function, hill start assist, the adaptive brake lights and
ESP ®
trailer stabilisation are unavailable due to amalfunction.
ESP ®
will not stabilise the vehicle if it starts to skid or if awheel
starts to spin.
The brake system continues to function normally, but without the
functions listed above.
ATTENTION ASSIST is deactivated.
X Observe the additional messages in the multi-function display
(Y page 208).
X Drive on carefully.
X Visit aqualified specialist workshop. 0081
The red SRS
warning lamp is
lit while the
engine is run-
ning. G
Risk of injury
There is amalfunction in the restraint system. The airbags or belt
tensioners may either be triggered unintentionally or, in the event
of an accident, not be triggered at all.
X Visit aqualified specialist workshop immediately. Troubleshooting
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Problem Possible causes/consequences and
0050
0050Solutions 004D
The red brake
system warning
lamp comes on
while the vehicle
is moving. A
warning tone
also sounds. You are driving with the parking brake applied.
X
Release the parking brake.
The warning lamp goes out and the warning tone ceases. 004D
The red brake
system warning
lamp comes on
while the engine
is running. A
warning tone
also sounds. G
Risk of accident
There is insufficient brake fluid in the fluid reservoir.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Consult aqualified specialist workshop.
X Observe the additional messages in the multi-function display
(Y page 208).
Do not top up the brake fluid. This will not rectify the fault. 00AE
The red coolant
warning lamp
lights up while
the engine is
running and the
coolant temper-
ature gauge is at
the start of the
scale. The temperature sensor for the coolant temperature gauge is
faulty.
The coolant temperature is no longer being monitored. There is a
risk of engine damage if the coolant temperature is too high.
X
Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions. Do not continue
driving under any circumstances.
X Consult aqualified specialist workshop. 234
TroubleshootingPractical advice
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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
237Practical advice
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