display MERCEDES-BENZ CLS COUPE 2008 Owners Manual

Display messages
231Display messages Possible cause/consequence Possible solution
3 EBV, ABS, ESP inop-
erative See Own-
er's Manual
G
Risk of accident
EBV, ABS and ESP ®
are unavailable due to
a malfunction. BAS has also been deacti-
vated. PRE-SAFE ®
is therefore also not
operational.
The brake system is still available with
complete brake boosting effect. X
Drive on carefully.
X Visit a qualified specialist workshop immedi-
ately. 3 Check brake fluid
level
G
Risk of accident
There is insufficient brake fluid in the
brake fluid reservoir. X
Pull over as soon as it is safe to do so.
X Do not continue driving under any circumstan-
ces.
X Consult the nearest qualified specialist work-
shop.
X Do not top up the brake fluid. This will not rec-
tify the malfunction. ! Release parking
brake You are driving with the parking brake on. X
Release the parking brake. [ Clean fuel filter X
Visit a qualified specialist workshop. Practical advice
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Display messages
232 Display messages Possible cause/consequence Possible solution
D Coolant Stop vehi-
cle, turn engine
off The coolant is too hot. X
Stop the vehicle. Pay attention to the traffic
conditions as you do so.
X Switch off the engine.
X Wait until the display message disappears
before restarting the engine. There is other-
wise a risk of engine damage.
X Observe the coolant temperature gauge.
X If the temperature increases again, visit a quali-
fied specialist workshop immediately. D Coolant Stop vehi-
cle, turn engine
off The poly-V-belt may have torn. X
Stop the vehicle. Pay attention to the traffic
conditions as you do so.
X Switch off the engine.
X Check the poly-V-belt.
X If it is not damaged: do not start the engine
again until the display message goes out. There
is otherwise a risk of engine damage.
X If it has torn: do not drive on. Contact the
nearest qualified specialist workshop. Practical advice
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Display messages
233Display messages Possible cause/consequence Possible solution
B Top up coolant See
Owner's Manual The coolant level is too low. X
Top up the coolant, observing the warning
notes before doing so (Y page 196).
X Have the coolant system checked at a qualified
specialist workshop if the coolant needs top-
ping up more often than usual. . Dipped beam, left
or
Dipped beam, right The right-hand or left-hand dipped-beam
headlamp is faulty. X
Halogen headlamp: replace the bulb
(Y page 271).
X Bi-xenon headlamp*: visit a qualified special-
ist workshop. . AUTO lights inop-
erative The light sensor is faulty. Constant head-
lamp mode is switched on. X
Switch the lights to manual control in the on-
board computer ( Y page 125).
X Switch the lights on and off using the light
switch. . Rear left turn sig-
nal

Back-up bulb on
or
Rear right turn
signal Back-up
bulb on The rear left-hand or rear right-hand turn
signal is faulty.
This
display message will only appear if all
LEDs have failed. X
Visit a qualified specialist workshop. Practical advice
* optional
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Display messages
234 Display messages Possible cause/consequence Possible solution
. Turn signal in
left-hand mirror
or
Turn signal in
right-hand mirror The turn signal lamp on the left-hand or
right-hand exterior mirror is faulty. This
display message will only appear if all
LEDs have failed. X
Visit a qualified specialist workshop. . Front left turn
signal Back-up
bulb on
or
Front right turn
signal Back-up
bulb on The front left-hand or right-hand turn sig-
nal is faulty. X
Replace the bulb ( Y page 271). . 3rd brake lamp The third brake lamp is faulty. This display
message will only appear if all LEDs have
failed. X
Visit a qualified specialist workshop. . Left brake-/tail
lamp Back-up bulb
on
or
Right brake-/tail
lamp Back-up bulb
on The left-hand or right-hand rear brake
lamp is faulty. This display message will
only appear if all LEDs have failed. X
Visit a qualified specialist workshop. Practical advice
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Display messages
235Display messages Possible cause/consequence Possible solution
. Main beam, left
or
Main beam, right The left-hand or right-hand main-beam
headlamp is faulty. X
Replace the bulb ( Y page 271). . Left-hand licence
plate lamp
or
Right-hand licence
plate lamp The left-hand or right-hand licence plate
lamp is faulty. X
Replace the bulb ( Y page 271). . Switch off lights You did not switch off the lights when
leaving the vehicle. X
Turn the light switch to M or U.. Front left-hand
foglamp
or
Front right-hand
foglamp The front left-hand or right-hand foglamp
is faulty. X
Visit a qualified specialist workshop. . Rear left-hand
foglamp
or
Rear right-hand
foglamp The left-hand or right-hand rear foglamp is
faulty. X
Visit a qualified specialist workshop. Practical advice
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Display messages
236 Display messages Possible cause/consequence Possible solution
. Front left-hand
parking lamp Back-
up bulb on
or
Front right-hand
parking lamp Back-
up bulb on The front left-hand or right-hand parking
lamp is faulty. X
Replace the bulb ( Y page 271). . Left-hand revers-
ing lamp
or
Right-hand revers-
ing lamp The left-hand or right-hand reversing lamp
is faulty. X
Visit a qualified specialist workshop. . Left-hand tail
lamp Back-up bulb
on
or
Right-hand tail
lamp Back-up bulb
on The left-hand or right-hand tail lamp is
faulty.
This
display message will only appear if all
LEDs have failed. X
Visit a qualified specialist workshop. ò Replace air
cleaner The engine air filter must be replaced. X
Visit a qualified specialist workshop. Practical advice
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Display messages
237Display messages Possible cause/consequence Possible solution
N Check engine oil
level when next
refuelling The engine oil level has dropped to a crit-
ical level. X
Check the engine oil level (Y page 195) and top
up the engine oil if necessary.
X Have the engine checked for leaks if the engine
oil needs topping up more often than usual. ± Display malfunc-
tion Consult work-
shop One or more electronic systems are
unable to deliver information to the on-
board computer. The following systems
may have failed:
R
Coolant temperature gauge
R Rev counter
R Cruise control or Speedtronic display X
Visit a qualified specialist workshop. H Tyre pressure Cau-
tion Tyre defect One or more tyres are losing air rapidly.
The affected wheel is highlighted in the
tyre pressure display of the tyre pressure
monitor*. X
Stop the vehicle without making any sudden
steering

or braking manoeuvres. Pay attention
to the traffic conditions as you do so.
X Repair or change the tyre (Y page 276). Practical advice
* optional
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Display messages
238 Display messages Possible cause/consequence Possible solution
H Tyre pressure
Check tyres The pressure in one or more tyres has
dropped significantly. The affected wheel
is highlighted in the tyre pressure display
of the tyre pressure monitor*. X
Stop the vehicle without making any sudden
steering
or braking manoeuvres. Pay attention
to the traffic conditions as you do so.
X Check the tyres.
X Repair or change the faulty tyre if necessary
(Y page 276).
X Check the tyre pressure and correct it if nec-
essary ( Y page 200).
The warning will disappear automatically after
you have been driving for a few minutes with
the corrected tyre pressure. I Change key batter-
ies
The batteries of the KEYLESS GO key* are
discharged. X
Change the batteries ( Y page 269).I Key not detected
The KEYLESS GO key* is not in the vehicle.
It will no longer be possible to centrally
lock

the vehicle and start the engine if the
engine is switched off. X
Stop the vehicle. Pay attention to the traffic
conditions as you do so.
X Look for the KEYLESS GO key*. I Key not detected
The KEYLESS GO * key is not detected
while

the engine is running, because there
is interference from a strong source of
radio waves. X
Stop the vehicle. Pay attention to the traffic
conditions as you do so.
X Operate the vehicle using the key in the ignition
lock if necessary. Practical advice
* optional
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Display messages
239Display messages Possible cause/consequence Possible solution
I Key not detected
The KEYLESS GO key* cannot be detected
at present. X
Change the location of the KEYLESS GO key*
within the vehicle.
X Operate the vehicle using the key in the ignition
lock if necessary. I Key still in vehi-
cle
The KEYLESS GO key* was detected
inside the vehicle during locking. X
Remove the KEYLESS GO key* from the vehi-
cle. I Please replace key The key no longer functions. X
Visit a qualified specialist workshop. X inoperative Bat-
tery weak The battery voltage is insufficient. The
auxiliary heating/ventilation*
has
switched off or cannot be switched on. X
Drive for a longer distance.
The battery is being charged. The auxiliary
heating/ventilation* is reactivated as soon as
there is sufficient battery voltage. X inoperative Refuel There is insufficient fuel in the fuel tank.
The

auxiliary heating* cannot be switched
on. X
Refuel at the nearest filling station. X inoperative See
Owner's Manual
The auxiliary heating* has a temporary
malfunction or is faulty. X
When the vehicle is on a level surface and the
engine has cooled down: try to switch on the
auxiliary heating*

four times, waiting for sev-
eral minutes between each attempt.
X If the auxiliary heating* does not switch on:
visit a qualified specialist workshop. Practical advice
* optional
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Display messages
240 Display messages Possible cause/consequence Possible solution
W Reserve fuel level The fuel level has fallen below the reserve
range.
The operation of the auxiliary heat-
ing* can no longer be guaranteed. X
Refuel at the nearest filling station. t Enter PIN: You have not yet logged on to your mobile
phone*. X
Enter the PIN for the SIM card. t Bluetooth ready The Bluetooth connection between your
mobile phone and the audio system or
COMAND APS*

is not activated. X
The Bluetooth connection between your
mobile phone and the audio system or
COMAND APS*
is not activated, see separate
operating instructions. t No telephone
inserted Your mobile phone is not inserted in the
bracket*. X
Insert mobile phone into the bracket*
(Y page 183). W Top up washer fluid The washer fluid level in the washer fluid
reservoir has dropped below the mini-
mum. X
Top up the washer fluid ( Y page 197).Practical advice
* optional
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