MERCEDES-BENZ CLS COUPE 2012 Owners Manual
Manufacturer: MERCEDES-BENZ, Model Year: 2012, Model line: CLS COUPE, Model: MERCEDES-BENZ CLS COUPE 2012Pages: 373, PDF Size: 9.12 MB
Page 251 of 373
Display messages Possible causes/consequences and
M Solutions
Park Assist inoper‐
ative You hav
ejustc arrie doutalarg enumber of turning or parking
manoeuvres.
Active Parking Assis twill become available again after approx-
imately ten minutes (Y page 187).
X Pull over and stop the vehicle safely as soon as possible ,paying
attention to road and traffic conditions.
X Switch off and restart the engine.
If the display message continues to be displayed:
X Visit aqualified specialist workshop. PARKTRONIC is faulty.
X
Visit aqualified specialist workshop. Parking Guidance
finished The vehicle is parked.
Awarning tone also sounds.
The display message disappears automatically. DISTRONIC PLU
Soff DISTRONI
CPLUSh as been deactivate d(Ypage 170).
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 reactivate DISTRONI CPLUS
(Y page 170). DISTRONIC PLUS cur‐
rently unavailable
See Owner's Manual DISTRONIC PLUS is temporarily inoperative. Possible causes:
R
the function is impaired due to heavy rain or snow.
R the sensor sinthe radiator trim and 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-
tion soro ther sources of electromagnetic radiation.
R the system is outside the operatin gtemperature range.
R the on-board voltage is too low.
Aw arning tone also sounds.
Once th ecauses listed abov enolonger apply,t he display message
goes out.
DISTRONIC is operational again.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 159).
X Clean the sensors in the radiator trim and in the bumpers
(Y page 304).
X Restart the engine. 248
Display messagesOn-board computer and displays
Page 252 of 373
Display messages Possible causes/consequences and
M Solutions
DISTRONIC PLUS
inoperative DISTRONIC PLU
Sisfaulty.
BA SP LUSa nd PRE-SAFE ®
Brake may also hav efailed.
Aw arning tone also sounds.
X Visi taq ualified specialist workshop. DISTRONIC PLUS
inactive You have depressed the accelerator pedal. DISTRONIC PLUS is no
longer controlling the speed of the vehicle.
X
Remove your foot from 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 170). DISTRONIC PLUS and
SPEEDTRONIC DISTRONIC PLUS and SPEEDTRONIC are faulty.
Awarning tone
also sounds.
X Visit aqualified specialist workshop. Cruise control and
SPEEDTRONIC inop‐
erative SPEEDTRONIC and cruise contro
lare malfunctioning.
Aw arning tone also sounds.
X Visi taq ualified specialist workshop. Limit
--- km/h While depressin
gthe accelerator pedal beyond the pressure point
(kickdown), SPEEDTRONIC cannot be activated. Cruise control
--- km/h Ac
ondition for activating cruise contro lhas not been met.
You have tried to stor easpeed 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 165). 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 emore slowly. Display messages
249On-boardcomputer and displays Z
Page 253 of 373
Tyres
Display messages Possible causes/consequence
sand M Solutions
Tyr
epressure Check tyres The tyr
epressure loss warnin gsystem ha sdetecte das ignificant
loss in pressure.
Aw arning tone also sounds.
G WARNING
Wit htyrep ressure swhicha re to olow, there is ariskoft he fol-
lowing hazards:
R the tyres may burst, especiallyast he load and vehicle speed
increase.
R the tyres may wear excessively and/or unevenly, which may
greatly impair tyre traction.
R the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is arisk of an accident.
X Stop the vehicle without making any sudden steering or braking
manoeuvres. Pay attention to the traffic conditionsasy ou do
so.
X Secure the vehicle against rolling away (Y page 159).
X If there is aflat tyre, inspect the tyres (Y page 312).
X Check the tyre pressures and, if necessary, correct the tyre
pressure.
X Restart the tyre pressure loss warning system when the tyre
pressure is correct (Y page 333).Check tyre pres‐
sures
then restart Run
Flat Indicator The tyre pressure loss warning system generated
adisplaym es-
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 333).Run Flat Indicator
inoperative The tyre pressure loss warning system is faulty.
X
Visit aqualified specialist workshop. Tyre pressure
displayed after
driving for
afew minutes The tyre pressure monitor is measuring the tyre pressure.
X
Driv eon.
The tyre pressures appear in the multifunction display after you
have been driving for afew minutes. Tyre press. monitor
inoperative The tyre pressure monitor is faulty.
X
Visit aqualified specialist workshop. 250
Display messagesOn-boar
dcomputer and displays
Page 254 of 373
Display messages Possible causes/consequences and
M Solutions
Tyr
ep ress. moni‐ tor inoperative No
wheel sensors The wheels fitte
ddonot haveasuitable tyr epressure sensor .The
tyre pressure monitor is deactivated.
X Fit wheels with suitable tyre pressure sensors.
The tyre pressure monitor is activated automatically after driv-
ing for afew minutes. Check
tyres The tyre pressure in one or more tyres has dropped significantly.
The wheel position is displayed in the multifunction display.
Aw
arning tone also sounds.
G WARNING
Wit htyrep ressure swhicha re to olow, there is ariskoft he fol-
lowing hazards:
R the tyres may burst, especiallyast he load and vehicle speed
increase.
R the tyres may wear excessively and/or unevenly, which may
greatly impair tyre traction.
R the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is arisk of an accident.
X Stop the vehicle without making any sudden steering or braking
manoeuvres. Pay attention to the traffic conditionsasy ou do
so.
X Secure the vehicle against rolling away (Y page 159).
X If there is aflat tyre, inspect the tyres (Y page 312).
X Check the tyre pressure (Y page 334).
X If necessary, correct the tyre pressure. Display messages
251On-board computer and displays Z
Page 255 of 373
Display messages Possible causes/consequences and
M Solutions
Warning
tyr
ed efect The tyr
epressur einone or more tyre shas dropped suddenly. The
wheel position is displayed in the multifunction display.
G WARNING
If you drive with aflat tyre, there is arisk of the following hazards:
R Af lat tyre affect sthe ability to steer or brake the vehicle.
R You could lose control of the vehicle.
R Continued driving with aflat tyre will cause excessive heat build-
up and possibly afire.
There is arisk of an accident.
X Stop the vehicle without making any sudden steerin gorbraking
manoeuvres. Pay attention to the traffic conditions as you do
so.
X Secure the vehicle against rolling away (Y page 159).
X If there is aflat tyre, inspect the tyres (Y page 312).Rectify
tyre pressure The tyre pressure is too low in at least one of the tyres, or the tyre
pressure differenc
ebetween the wheels is too great.
X Check the tyre pressures at the next opportunity
(Y page 334).
X If necessary, correc tthe tyre pressure.
X Restart the tyre pressure monitor (Y page 335).Wheel sensor(s)
missing There is no signal from the tyre pressure sensor of one or several
wheels. The pressure of the affected tyre is not displayed in the
multifunction display.
X
Have the faulty tyre pressure sensor replaced at aqualified spe-
cialist workshop. Tyre press. monitor
currently unavail‐
able Due to
asource of radio interference, no signals can be received
from the wheel sensors. The tyre pressure monitor is temporarily
malfunctioning.
X Drive on.
The tyre pressure monitor restart sautomatically as soon as the
cause has been rectified. 252
Display messagesOn-board computer and displays
Page 256 of 373
Display messages Possible causes/consequences and
M Solutions
h
Tyr
ep ressure Cau‐ tio
nT yrem alfunc‐ tion The tyr
epressur einoneor mor etyres has dropped suddenly.
Aw arning tone also sounds.
G WARNING
If you driv ewithaf lat tyre, there is ariskoft he following hazards:
R Af lat tyre affects the ability to steer or brake the vehicle.
R You could lose control of the vehicle.
R Continued driving with aflat tyre will cause excessive heat build-
up and possibly afire.
There is arisk of an accident.
X Stop the vehicle without making any sudden steering or braking
manoeuvres. Pay attention to the traffic conditionsasy ou do
so.
X Secure the vehicle against rolling away (Y page 159).
X If there is aflat tyre, inspect the tyres (Y page 312).h
Tyre pressure
Check tyre(s) The tyre pressure in one or more tyres has dropped significantly.
G WARNING
With tyre pressures which are too low, there is arisk of the fol-
lowing hazards:
R the tyres may burst, especiallyast he load and vehicle speed
increase.
R they tyres may wear excessively and/or unevenly, which may
greatly impair tyre traction.
R the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is arisk of an accident.
X Stop the vehicle without making any sudden steering or braking
manoeuvres. Pay attention to the traffic conditionsasy ou do
so.
X Secure the vehicle against rolling away (Y page 159).
X If there is aflat tyre, inspect the tyres (Y page 312).
X Check the tyre pressure (Y page 334).
X If necessary, correct the tyre pressure. h
Please correct
tyre pressure The tyre pressure is too low in at least one of the tyres, or the tyre
pressure difference between the wheels is too great.
X
Check the tyre pressures at the next opportunity
(Y page 334).
X If necessary, correct the tyre pressure. Display messages
253On-board computer and displays Z
Page 257 of 373
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. Auxiliary battery
malfunction The auxiliary battery for the automatic transmission is no longer
being charged.
X
Visit aquali fied specialist workshop. Apply brake to
deselect
Par
k(P) position Yo
uh avea ttempte dtomove the transmission selector lever to
position D,Ror Nwithou tdepressing the brake pedal.
X Depress the brake pedal. Risk of vehicle
rolling
Transmission not
in P The driver's door is open and the transmission is in position
R,N
or D.
Aw arning tone also sounds.
X Shift th etransmission to position P.
X Secure th evehicle against rolling away ( Ypage 159). Withou
tchanging gear,
consul
tworkshop You canno
tchange the transmission position due to amalfunction.
Aw arning tone also sounds.
If transmission position Dis selected:
X Drive to aqualified specialist worksho pwithout shiftin gthe
transmission from position D.
If transmission position R,Nor Pis selected:
X Consult aqualified specialist workshop. Onl
ys elect position
Pwhen vehicle is station‐
ary The vehicle is moving.
X
Pull ove rand stop the vehicl esafelyass oonasp ossible,p aying
attention to road and traffic conditions.
X Shift the transmission to position P.N The boot lid is open.
X
Close the boot lid. 254
Display messagesOn-board computer and displays
Page 258 of 373
Display messages Possible causes/consequences and
M Solutions
M The bonne
tisopen. Awarning tone also sounds.
G WARNING
The open bonne tmay then bloc kyour view when the vehicle is in
motion.
There is arisk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 159).
X Close the bonnet. C At least one door is open.
Awarning tone also sounds.
X Close all doors. _
Rea
rl efts eat backrest not
locked or
Rear right sea
tback‐ res
tn ot locked 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
tback‐ res
tn ot locked The driver'
sorfront-pa ssenger seat backres tisnot engaged. A
warning tone also sounds.
X Push the backrest back until it engages. &
inoperative Bat‐
tery low The on-board voltage is too low. The auxiliary heating has switched
itself off or cannot be switched on (Y
page 132).
X Drive for alonger distance.
The battery is being charged. The auxiliary heating is operational
againass oon as the on-board electrical system voltage is suf-
ficient. &
inoperative
Refuel
vehicle There is too little fuel in the fuel tank. The auxiliary heating cannot
be switched on (Y
page 132).
X Refuel at the nearest filling station. Display messages
255On-board computer and displays Z
Page 259 of 373
Display messages Possible causes/consequences and
M Solutions
&
inoperative See
Owner'
sManual The auxiliar
yheatin ghasatem porar ymalfunction or is faulty.
X Whe nthe 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 132).
X If the auxiliary heating does not switch on, consult aqualified
specialist workshop. Ð
Power
steering mal‐
functio
nSee Own‐ er's Manual The power steering assistanc
eisfaulty.
Aw arning tone also sounds.
G WARNING
You will need to use mor eforce to steer.
Ther eisar iskofana ccident.
X Check whethe ryou 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. 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. ¥
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 299).Key
Display messages Possible causes/consequences and
M Solutions
Â
Key does not
belong to vehicle You have put the wrong key in the ignition lock.
X
Use the correc tkey. Â
Replace key The key needs to be replaced.
X
Visit aqualified specialist workshop. 256
Display messagesOn-board computer and displays
Page 260 of 373
Display messages Possible causes/consequences and
M Solutions
Â
Change key batter‐
ies The batterie
softheKEYLESS-GO ke yare discharged.
X Change th ebatterie s(Ypage 79). Â
Key not detected
(re
dd isplay message) The KEYLESS-GO ke
yisnotin th evehicle.
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 Secure the vehicle against rolling away (Y page 159).
X Locate the KEYLESS-GO key. The KEYLESS-GO key is not detected while the engine is running
because there is interference from
astrongs ource of radio waves.
Aw arning tone also sounds.
X Pull ove rand stop the vehicl esafelyass oonasp ossible,p aying
attention to road and traffic conditions.
X Secure the vehicle against rolling away( Ypage 159).
X Operate the vehicle with the key in the ignition lock if necessary. Â
Key not detected
(white displaym
es-
sage) The KEYLESS-GO key cannot be detected at present.
X
Change the location of the key with the KEYLESS-GO functions
in the vehicle.
If the KEYLESS-GO key is still not detected:
X Operate the vehicle with the key in the ignition lock if necessary. Â
Key still in vehi‐
cle The KEYLESS-GO key has been detected inside the vehicle during
locking.
X
Remove the KEYLESS-GO key from the vehicle. Display messages
257On-board computer and displays Z