2011 MERCEDES-BENZ E-CLASS COUPE Owners Manual

Display messages Possible causes/consequences and
M Solutions
Blind Spo
tAssist currently unavail‐
abl
eS ee Owner's Manual or
Active Blind Spo
tAssist currently unavail‐
abl
eS ee Owner's Manual Blind Spot Assis
torActive Blind Spot Assist is temporaril yinop-
erative if:
R yo uh avee stablished the electrical connection between the
traile rand your vehicle.
R the sensors ar edirty.
R its functio nisimpaired due to heavy rain or snow.
R the radar sensor system is outside the operating temperature
range.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation.
The yellow 9indicator lamps also light up in the exterior mir-
rors.
Blind Spot Assist or Active Blind Spot Assist is operational again
and the displaym essage disappears if:
R the dirt (e.g. slush) drops awayw hile the vehicle is in motion.
R the system detects that the sensors are fully available again.
R the radar sensor system is back within the operating tempera-
ture range.
If the displaym essage continues to be displayed:
X Cleant he sensors (Y page 290).
X Restart the engine. Blind Spot Assist
inoperative or
Active Blind Spot Assist inoperative Blind Spot Assist or Active Blind Spot Assist is faulty.
The yellow
9indicator lamps also light up in the exterior mir-
rors.
X Visit aqualified specialist workshop. Parking Guidance
inoperative Parking Guidance is malfunctionin
g(Ypage 189).
X Restart the engine.
If the displaym essage continues to be displayed:
X Visit aqualified specialist workshop. 246
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
Parkin
gGuidance cancelled Parking Guidance has been deactivated because:
R
thev ehicl eiss kidding.
R thes ensor sare dirty.
R am alfunction has occurred.
Aw arning tone also sounds.
X Reactivat eParking Guidance late r(Y page 189).
If the parkin gspace symbol does not appear in the multifunction
display at speeds below 30 km/h:
X Clean the sensors (Y page 290).
X Restart the engine.
If the parkin gspace symbol still does not appear in the multifunc-
tion display at speeds below 30 km/h:
X Visit aqualified specialist workshop. Parkin
gGuidance has been deactivated because you are no longer
following the recommended path.
X Park again and, while doing so, observe the display messages
in the multifunction display. Parkin
gGuidance finished The vehicle is parked.
Awarning tone also sounds.
The display message disappears automatically. DISTRONIC PLUS
off DISTRONI
CPLUSh as been deactivate d(Ypage 171). If it was
deactivate dautomatically, awarning tone also sounds. DISTRONIC PLUS
available again DISTRONI
CPLUSiso perational againa fter having been tempo-
rarily unavailable .You can now reactivat eDISTRONIC PLUS
(Y page 171). Display messages
247On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
DISTRONIC PLUS
currently unavail‐
abl
eS ee Owner's Manual DISTRONIC PLU
Sisdeactivated and is temporarily inoperative if:
R the DISTRONIC PLUS cover in the radiator grille is dirty.
R the sensors in the bumpers are dirty.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation.
R its function is impaired due to heavy rain or snow.
R the system is outside the operating temperature range.
R the on-board voltage is too low.
Aw arning tone also sounds.
DISTRONI CPLUSiso perational againa nd the display message
disappears if:
R the dirt (e.g. slush) drops away whil ethe vehicl eisinmotion.
R the system detects tha tthe sensors are fully available again.
R the system is within the operating temperature range.
If the displaym essage continues to be displayed:
X Cleant he DISTRONIC PLUS cover in the radiator grille
(Y page 290).
X Cleant he bumpers (Y page 290).
X Restart the engine. DISTRONIC PLUS
inoperative DISTRONIC PLUS is faulty. BAS PLUS and PRE-SAFE
®
Brake may
also have failed.
Aw arning tone also sounds.
X Visi taq ualified specialist workshop. DISTRONIC PLUS
suspended You have depressed the accelerator pedal. DISTRONIC PLUS is no
longer controlling the speed of the vehicle.
X
Take your foot off the accelerator pedal. DISTRONIC PLUS
--- km/h An activation condition for DISTRONIC PLUS is not fulfilled.
X
Check the activation condition sfor DISTRONIC PLUS
(Y page 171). DISTRONIC PLUS and
SPEEDTRONIC
inoperative DISTRONIC PLUS and SPEEDTRONIC are faulty.
Awarning tone
also sounds.
X Visit aqualified specialist workshop. Cruise control and
SPEEDTRONIC
inoperative Cruise contro
land SPEEDTRONIC are malfunctioning.
Aw arning tone also sounds.
X Visi taq ualified specialist workshop. 248
Display messagesOn-boar
dcomputer and displays

Display messages Possible causes/consequences and
M Solutions
Cruise control
--- km/h Ac
onditi on foractivatin gcruise control has no tbeen met.
You hav etried to store aspeed below 30 km/h, for example.
X If condition spermit ,drive faster than 30 km/ hand stor ethe
speed.
X Check the activation condition sfor cruise control
(Y page 169). 120 km/h
Maximu
mspeed exceeded Only for certain countries: the maximum speed has been excee-
ded.
In addition, the multifunction display shows
120 km/h .
X Driv eslower. Tyres
Display messages Possible causes/consequences and
M Solutions
Tyre pressure
Check tyres G
Risk of accident
The tyre pressure loss warning system has detected asignificant
loss in pressure.
Aw arning tone also sounds.
X Stop th evehicle without making any sudde nsteering or braking
manoeuvres .Pay attentio ntothe traffic conditions as you do
so.
X Check the tyres and, if necessary, change the wheel
(Y page 323).
X Check the tyre pressures and, if necessary, set to the correct
tyre pressure.
X Restart the tyre pressure loss warning system when the tyre
pressure is correc t(Ypage 322). Check tyre pres‐
sures
then restar
tRun Flat Indicator The tyre pressure loss warning system generated
adisplay mes-
sage and has not been restarted since.
X Set the correct tyre pressure in all four tyres.
X Restart the tyre pressure loss warning system (Y page 322).Run Flat Indicator
inoperative The tyre pressure loss warning system is faulty.
X
Visit aqualified specialist workshop. Display messages
249On-boardcomputer and displays Z

Vehicle
Display messages Possible causes/consequences and
M Solutions
To start engine,
shift to either P
or N Yo
uh avea ttempte dtostart the engine with the transmission in
position Ror D.
X Shift the transmission to position Por N. P
Select Par
k(P) Yo
uh aves witched off the engine with the Start/Sto pbutton and
opene dthe driver' sdoor.
Yo uw anted to lock the vehicle.
Aw arning tone also sounds.
or
You have switched off th eenginew itht he Start/Sto pbutto nand
opene dthe driver's door with the transmission in position N.
X Shift the transmission to position P. While the HOLD functio
norDISTRONIC PLUS is active, you have:
R opened the driver's door and released the seat belt or
R switched off the engine or
R opened the bonnet
At one may also sound at regular intervals. The toneb ecomes
louder if you attempt to lock the vehicle.
You cannot start the engine.
X Shift the transmission to position P.
You can restart the engine. N The boot lid is open.
X
Close the boot lid. M G
Risk of accident
The bonnet is open. Awarning tone also sounds.
X Pull ove rand stop the vehicl esafelyass oonasp ossible,p aying
attention to road and traffic conditions.
X Apply the parking brake.
X Close the bonnet.
If the active bonnet (pedestrian protection) has been triggered:
X Reset the bonnet (Y page 280).
X Close the bonnet. Active bonnet
malfunction See
Owner's Manual The active bonnet (pedestrian protection) is not active due to a
malfunction.
X
Visit aqualified specialist workshop. 250
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
C At leas
tone door is open. Awarning tone also sounds.
X Close all doors. _
Rea
rl efts eat backrest not locked
or
Rea rr ight seat backrest not locked G
Ris
kofi njury
The backres tinthe rear is not engaged on the left-hand and/or
right-hand side. Awarning tone also sounds.
X Push th ebackres tback until it engages. _
Front lef
tseat backrest not locked
or
Front right sea
tb ackrest not locked The driver'
sorfront-pa ssenger seat backres tisnot engaged. A
warning tone also sounds.
X Push the backrest back until it engages. j
Check trailer
hitch lock G
Risk of accident
The trailer tow hitch is not correctly engaged.
Aw arning tone also sounds.
X Stop th evehicle immediately, payin gattentio ntoroad and traf-
fic conditions, and switch off the engine.
X Apply the parking brake.
X Allow the trailer tow hitch ball coupling to engage in the end
position (Y page 206). J
Close boot separa‐
tor The boot separator is open.
X
Close the boot separator (Y page 92).D
Power
steering mal‐
function See Own‐
er's Manual G
Risk of accident
The power steerin gassistance is faulty.
You will need to use more force to steer.
Aw arning tone also sounds.
X Chec kwhether you are able to apply the extraf orce required.
X If you are able to steer safely: carefully drive on toaqualified
specialist workshop.
X If you are unable to steer safely: do not drive on. Contact the
nearest qualified specialist workshop. Display messages
251On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
&
inoperative Bat‐
ter
yl ow The on-boar
dvoltag eistoolow. The auxiliar yheatin ghas switched
itself of forcannot be switched on (Y page 137).
X Drive for alonger distance.
The battery is bein gcharged. The auxiliary heating is operational
again as soon as th eon-bo ard electrical system voltage is suf-
ficient. &
inoperative
Refuel
vehicle The fuel leve
linthefuel tan kistoo low. The auxiliary heating can-
not be switched on (Y page 137).
X Refuel at the nearest filling station. &
inoperative See
Owner's Man. The auxiliary heating has
atemporary malfunction or is faulty.
X When the vehicle is on alevel surface and the engin ehas cooled
down, make up to four attempts to switch on the auxiliary heat-
ing, waiting several minutes between each attempt
(Y page 137).
X If the auxiliary heating does not switch on, consult aqualified
specialist workshop. Telephone No
Service Your vehicle is outside the network provider's transmitter/
receiver range.
X
Wait until the mobile phone operational readiness symbol
appears in the multifunction display. K
Convertible Top
Operation possible
to 40 km/h If you drive at speeds of more than 40 km/h,
you cannotopen or
close the roof.
X Fully open or close the soft top (Y page 86).K
Top lowering The soft top is not fully opened or closed. The hydraulics are dep-
ressurised.
X
Fully open or close the soft top (Y page 86).K
Open/close
top com‐
pletely The roof is not locked. If you drive at speeds of more than
40 km/h, you cannot open or close the roof.
X
If you are driving at speeds of more than 40 km/ h,reduce your
speed.
X Push or pullt he soft-top switch (Y page86) until the soft top is
full yopen or closed. K
Top operation Please wait The on-board voltag
eistoo low.
X Start the engine. 252
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
The sof
ttop has been opened and closed several times in arow.
The soft-top drive has been switched off automatically for safety
reasons.
You can open and close the soft top again after approximately ten
minutes.
X Switch off the ignition and turn it back on.
X Repeat the opening or closing procedure (Y page 86).¥
Top
up washer fluid The washer fluid level in the washer fluid reservoir has dropped
below the minimum.
X
Top up the washer fluid (Y page 284).Key
Display messages Possible causes/consequences and
M Solutions
+
Key does not
belong to vehicle You have put the wrong key in the ignition lock.
X
Use the correc tkey. +
Replace key The key needs to be replaced.
X
Visit aqualified specialist workshop. +
Change key batter‐
ies The batteries of the KEYLESS-GO key are discharged.
X
Change the batteries (Y page 74).+
Key not detected
(Red display message) The KEYLESS-GO key is not in the vehicle.
Aw
arning tone also sounds.
If th eengineiss witched off ,you can no longer loc kthe vehicle
centrally or start the engine.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Apply the parking brake.
X Locate the KEYLESS-GO key. Display messages
253On-board computer and displays Z