brake MERCEDES-BENZ E-CLASS CABRIOLET 2010 Repair Manual

Displa
ymessages Possible causes/consequences and
M Solutions
b Th
ird
brake lamp Th
et hird brakelamp is faulty.
X Chec kwhether you ar epermitted to change the bulb your-
self (Y page 113).
or
X Visit aqualified specialist workshop. b Left-hand
tail lamp/
brak
elamp
or
Right-
hand tail
lamp/
brake lamp Th
eleft or right-hand brak elamp/tail lamp is faulty.
X Check whethe ryou ar epermitted to change the bulb your-
self (Y page 113).
or
X Visit aqualified specialist workshop. b Left main
beam
or
Right
main beam The left or right-hand main beam is faulty.
X
Check whether you are permitted to change the bulb your-
self (Y page 113).
or
X Visit aqualified specialist workshop. b Left
licence
plat
elamp
or
Right
licence
plate lamp Th
eleft or right-hand licence plate lam pisfaulty.
X Check whethe ryou ar epermitted to change the bulb your-
self (Y page 113).
or
X Visit aqualified specialist workshop. b Left fog‐
lamp
or
Righ
tfog‐
lamp Th
eleft-hand or right-hand front foglam pisfaulty.
X Check whethe ryou ar epermitted to change the bulb your-
self (Y page 113).
or
X Visit aqualified specialist workshop. b Rear left
foglamp
or
Rear
righ
tfog‐
lamp Th
eleft-hand or right-hand rear foglam pisfaulty.
X Check whethe ryou ar epermitted to change the bulb your-
self (Y page 113).
or
X Visit aqualified specialist workshop. Display messages
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Displa
ymessages Possible causes/consequences and
M Solutions
Sp
eed
Limit
Assist: Unavaila‐
ble in
thi
sc oun‐
try Spee
dLimit Assist is onl yavailable in certain countries.
X Drive on.
Speed Limit Assist is avai lable again as soon as you drive
into acountry in which its use is approved. Speed
Limit
Assist inopera‐
tive Speed Limit Assist is faulty.
X
Visit aqualified special istworkshop. HOLD Off The HOLD function is deactivated. The vehicle is skidding or
ac
ondition for activation is no longer met when the brake
pedal is firmly depressed. Awarning ton ealso sounds.
X Reactivat ethe HOL Dfunction later. Ra
dars en‐
sor deactiva‐
ted See
Owner's
Manual Th
er adar sensor system is deactivated.
X Check whether or not the radar sensor system ma ybeacti-
vated (Y page324).
X Switch on the rada rsensor system (Y page 208). Rada
rsen‐
sor deactiva‐
ted
autom.
See Own‐
er's Man‐
ual Vehicles with
anavigation system: the vehicle is close to a
radio telescop efacility and may therefore not transmit any
radar signals .The radar sensor system has switched off auto-
matically.
When Blind Spot Assist is activated, the yellow 9indicator
lamps light up in the exterior mirrors.
The followin gfunctions are not available:
R DISTRONIC PLUS (Y page 160)
R BAS PLUS (Y page 56)
R PRE-SAFE ®
Brake (Y page 59)
R Blind Spot Assis t(Ypage 184)
X Drive on.
These functions are available again as soon as the vehicle
is far enough away from the radio telescope facility
(Y page 324). Display messages
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Displa
ymessages Possible causes/consequences and
M Solutions
DI
STRONIC
PLUS currently
unavaila‐
ble See
Owner's
Manual DISTRONIC PLUS is deactivated and is temporarily inopera-
tive if:
R
the DISTRONIC PLUS cover in the radiator grille is dirty.
R the sensors in the bumpers are dirty.
R the radar sensor syste mistemporarily inoperative, e.g. due
to electromagnetic radiation emitted by nearby TV or radio
station sorother sources of electromagnetic radiation.
R its function is impaired due to heavy rain or snow.
R the syste misoutside the operating temperature range.
R the on-board voltage is too low.
Aw arning ton ealso sounds.
DISTRONI CPLUSiso perational again and th edisplay mes-
sage disappears when:
R thed irt( e.g. slush) drops away whil ethe vehicle is in mot ion
R the system detects tha tthe sensor sare full yavail able
again.
R the system is within the operating temperature range.
If the displa ymessage continues to be displayed:
X Clean the DI STRONIC PLUS cover in the radiator grille
(Y page 267).
X Clea nthe bumper s(Ypage 267).
X Restar tthe engine. DISTRONIC
PLUS deactiva‐
ted
autom.
Se
eO wn‐
er's Man‐
ual Vehicles with
anavigation system: the vehicle is close to a
radio telescop efacility and may therefore not transmit any
radar signals .The radar sensor system has switched off auto-
matically .Awarning ton ealso sounds.
X Drive on.
DISTRONI CPLUSisa vailable agai nassoon as the vehicle
is far enough away from the radio telescope facility
(Y page 324). DISTRONIC
PLUS inopera‐
tive
DISTRONIC PLU
Sisfaulty. BAS PLUS and PRE-SAFE ®
Brake
may also have failed .Awarning ton ealso sounds.
X Visi taq ualifieds pecialist workshop. DISTRONIC
PLUS suspended You have depressed the accelerator pedal. DI
STRONIC PLUS
is no longe rcontr ollin gthe speed of the vehicle.
X Take your foot off the accelerator pedal. 228
Displa
ymessagesOn-boar dcomputer and displays
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Displa
ymessages Possible causes/consequences and
M Solutions
P Se
lect
Par k( P) While the HOLD functio
norDISTRONIC PLUSisa ctive, you
have:
R opened the driver's door and releasedthe sea tbelt or
R switched off the engin eor
R opened the bonnet
At one ma yalso sound at regular intervals. The ton ebecomes
louder if you attempt to lock the vehicle.
You can notstart the engine.
X Shift the transmission to position P.
You can restart the engine. Auxiliary
battery malfunc‐
tion The auxiliary battery for the automatic transmission is no lon-
ger being charged.
X
Visit aqualified specialist workshop. N The boot lid is open.
X
Close the boot lid. M G
Risk of accident
The bonnet is open. Awarning ton ealso sounds.
X Pull ove rand sto pthe vehicle safel yassoonasp ossible,
paying attention to roa dand traffic conditions.
X Engag ethe parkin gbrake.
X Close th ebonnet.
If the active bonnet (pedestrian protection) has been trig-
gered:
X Reset the bonnet (Y page 258).
X Close the bonnet. Active
bonnet malfunc‐
tion See
Owner's
Manual The active bonnet (pedestrian protection) is not active due to
am
alfunction.
X Visit aqualified special istworkshop. C At least one door is open.
Awarning ton ealso sounds.
X Close all doors. Display messages
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Displa
ymessages Possible causes/consequences and
M Solutions
_ Re
ar left
sea tb ack‐
res tn ot
locked
or
Rear
right
sea tb ack‐
res tn ot
locked G
Risk of in
jury
The backrest in th erear is no tengage donthe left-hand and/
or ri ght-hand side .Awarning ton ealso sounds.
X Push th ebackrest back until it engages. _ Fr
ont
lef ts eat
backrest
not locked
or
Front
right
sea tb ack‐
res tn ot
locked Th
es eat backres tisnot engaged. Awarning ton ealso sounds.
X Push th ebackrest back until it engages. j Ch
eck
trailer
hitch lock G
Risk of accident
Th et railer to whitch is no tcorrectly engaged.
Aw arning ton ealso sounds.
X Pull ove rand sto pthe vehicle safel yand switch off the
engine ,payin gattentio ntoroad and traffic conditions.
X Engage the parkin gbrake.
X Allow th etrailer to whitch ball coupling to engage in the end
position (Y page 186). J Close
boot sepa‐
rator The boot separator is open.
X
Close the boot separator (Y page 83).232
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Displa
ymessages Possible causes/consequences and
M Solutions
+ Ke
yn ot
detected
(red display
message) Th
eK EYLESS-GO key is not in the vehicle.
Aw arning ton ealso sounds.
If th eengineiss witched off ,you can no longer loc kthe vehicle
cen trally or start the engine.
X Pull over and stop the vehicle safely as soon as possible,
paying attention to road and traffic conditions.
X Engage the parkin gbrake.
X Locate th eKEYLESS-GO key. The KEYLESS-GO key is not detected whil
ethe engin eisrun-
ning because there is interference from astron gsource of
radio waves.
Aw arning ton ealso sounds.
X Pull ove rand sto pthe vehicle safel yassoonasp ossible,
paying attention to roa dand traffic conditions.
X Engag ethe parkin gbrake.
X Operate th evehicle with the key in the ignition lock if nec-
essary. + Ke
yn ot
detected
(white dis-
play mes-
sage) Th
eK EYLESS-GO key cannot be detected at present.
X Chang ethe location of the key with the KEYLESS-GO func-
tion sint he vehicle.
If the KEYLESS-GO key is still not detected:
X Change the location of the key with the KEYLESS-GO func-
tion sint he vehicle.
X Operate the vehicle with the key in the ignition lock if nec-
essary. + Ke
ys till
in vehicle Th
eK EYLESS-GO key has bee ndetected inside the vehicle
during locking.
X Remov ethe KEYLESS-GO key from the vehicle. + Remove
starting
button,
then
insert key KEYLESS-GO is temporarily malfunctioning or is defective
.A
warning tone also sounds.
X Insert the key into the ignition lock and turn it to the desired
position.
X Visit aqualified special istworkshop. + Close
door
sto
lock vehi‐
cle At leas
tone doo risopen. Awarning ton ealso sounds.
X Close all door sand lock the vehicle again. Display messages
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Warnin
gand indicator lamps in th einstrument cluster Applying th
ebrakes Problem Possible causes/consequence
sand M Solutions
J
The red brak
esystem
warning lamp comes on
while the vehicl eis
moving .Awarning tone
also so unds. Yo
ua re driving wit hthe parking brake enga ged.
X Releas ethe parking brake.
The warning lamp goes out and the warning ton eceases. J
The red brak
esystem
warning lamp comes on
while the engine is run-
ning. Awarning tone
also so unds. G
Risk of accident
There is insufficient brake fluid in the fluid reservoir.
X Pul lover and stop th evehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driv ing
unde rany circumstances.
X Engag ethe parking brake.
X Consult aqualified specialist worksho pimmediatel y.
X Obser ve theadditional display messages in the multifunction
display.
Do not top up the brak efluid. This wil lnot rectif ythe prob lem. Seat be
lt Problem Possible causes/consequence
sand M Solutions
7
The red seat belt warn-
ing lamp lights up for
six seconds after the
engine starts
39
. The seat belt warning lamp reminds the driver and fron
tpassenger
to fasten their seat belts.
X Fasten your seat belt (Y page 40).7
Af
ters tarting the
engine ,the red seat
belt warnin glamp lights
up. In addition, awarn-
ing tone sounds for up
to 6s econds. 39 G
Risk of inju
ry
The driver' sseat belt is not fastened.
X Fasten your seat belt (Y page 40).
The warning ton eceases. 39
Only for cer tain countries. 236
Warnin
gand indicator lam psin th einstrument clusterOn-boa rdcomputer and displays
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Safety systems
Problem Possible causes/consequences and
M Solutions
!
The yellow AB
Swarning
lamp is lit while the
engine is running. G
Risk of accident
ABS (Anti-lock Brake System) is deactivated due to afault. Other
systems, e.g. BAS (Brake Assist), BAS PLUS (Brake Assis tPlus),
ESP ®
(Electronic Stability Program), EBD (Electronic Brake-force
Distribution), PRE-SAFE ®
,P RE-SAFE ®
Brake, the HOLD function,
hill start assist, the adaptive brake lights and ESP ®
trailer stabili-
sation, are also deactivated.
The brake syste mcontinue stofunction normally, but without the
functions listed above. The wheel scould therefor elock if you
brake hard ,for example.
ATTENTION ASSIS Tisdeactivated.
X Observ ethe additiona ldisplay messages in the multifunction
display.
X Driv eonc arefully.
X Visit aqualified specialist workshop. äå!
The yellow ESP
®
and
ESP ®
OFF warning
lamps and the yellow
ABS warning lamp are
lit while the engine is
running. Awarning tone
also sounds. G
Risk of accident
EBD is faulty. Other systems, e.g. ABS ,BAS, BAS PLUS, ESP ®
,P RE-
SAFE ®
,P RE-SAFE ®
Brake, the HOL Dfunction ,hill start assist ,the
adaptive brake lights and ESP ®
trailer stabilisation, ar ealso not
available.
The brake system continues to func tion normally, but withou tthe
func tions listed above. The wheels coul dtherefore lock if you
brake hard, for example.
X Observ ethe additiona ldispla ymessages in the multifunction
display.
X Drive on carefully.
X Visit aqualified specialist workshop. 238
Warnin
gand indicator lam psin th einstru ment clusterOn-board computer and displays
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Problem Possible causes/consequences and
M Solutions
äå!
The yellow ESP
®
and
ESP ®
OFF warning
lamps and the yellow
AB Sw arning lamp are
lit while the engine is
running. G
Risk of accident
ABS and ESP ®
are faulty. Other systems, e.g. BAS ,BAS PLUS,
PRE-SAFE ®
,P RE-SAFE ®
Brake, the HOL Dfunction ,hill start assist,
th ea daptive brak elights and ESP ®
trailer stabilisation ,are also
not availabl edue to amalfunction.
The brake system continues to function normally, but without the
functions listed above. The wheels coul dtherefore lock if you
brake hard, for example.
ATTENTION ASSIST is deactivated.
X Observ ethe additional display messages in the multifunction
display.
X Drive on carefully.
X Visit aquali fieds pecialist workshop. ä
The yellow ESP
®
warn-
ing lamp flashes while
the vehicle is in motion. G
Risk of accident
ESP ®
or tra ction contro lhas intervened because ther eisarisk of
skidding or at least one wheel has started to spin.
Cruise control or DISTRONIC PLU Sisd eactivated.
X Only depress the accelerator pedal as far as necessar ywhen
pulling away.
X Release the accelerator pedal while the vehicle is in motion.
X Adap tyour drivin gstyle to suit the road and weather conditions.
X Do not deactivate ESP ®
.
Exceptions: (Y page 57). å
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
stabilis ethe vehicle if it starts to skid or if awheel starts to spin.
X Reactivate ESP ®
.
Exceptions: (Y page 57).
X Adap tyour drivin gstyle to suit the road and weather conditio ns.
If ESP ®
cannot be activated:
X Have ESP ®
checked at aqualified specialist workshop. Warnin
gand indicator lam psin th einstru ment cluster
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Problem Possible causes/consequences and
M Solutions
äå
The yellow ESP
®
and
ESP ®
OFF warning
lamps ar elit while the
engine is running. G
Risk of accident
ESP ®
,B AS ,BAS PLUS, PRE-SAFE ®
,P RE-SAFE ®
Brake, the HOLD
function, hill start assist, the adaptive brake lights and ESP ®
trailer
stabilisatio nare not availabl edue to amalfunction .ESP ®
will not
stabilise the vehicl eifitstarts to skid or if awheel starts to spin.
The brake system con tinues to function normally, but without the
functions listed above.
ATTENTION ASSIST is deactivated.
X Observe the additional displa ymessages in the multifunction
display.
X Drive on carefully.
X Visit aqualified specialist workshop. 6
The red SRS warning
lamp is lit while the
engine is running.
G
Risk of injury
The restraint systems are malfunctioning. The airbags or belt ten-
sioners may either be triggered unintentionally or, in the event of
an accident, not be triggered at all.
X Drive on carefully.
X Visit aqualified specialist worksho pimmediately. Engine
Problem Possible causes/consequence
sand M Solutions
;
The yellow engine diag-
nostic
swarning lamp
lights up while the
engine is running. There may be
afault, for example:
R in the engine management
R in the fuel injection system
R in the exhaust system
R in the ignition system (for vehicles with petrol engines)
The emissio nlimit values may be exceeded and the engine can
run in emergenc ymode.
X Hav ethe vehicle chec kedass oon as possible at aqualified
specialist workshop. ;
The yellow engine diag-
nostics warning lamp
lights up while the
engine is running.
Vehicles with
adiesel engine: the fuel tank has been run com-
pletely dry and the engine will not start. There is air in the fuel
system (Y page 152). 240
Warning and indicator lamp
sinthe instrument clusterOn-board computer and displays
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