2009 MERCEDES-BENZ CL COUPE light
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Display messages
Possible causes/consequences and
X
X Solutions !
The warning lamp (yellow) lights up. In addition, the
indicator lamp (red) flashes for about 10 seconds after the
electric parking brake has been engaged or released. It then
goes out or remains lit.
The electric parking brake has overheated.
X Allow the vehicle to cool down. Do not engage or release
the electric parking brake during this time.
X Prevent the vehicle from rolling away before you leave it
(Y page 204).
X When the vehicle has cooled down: switch the ignition off
and on again, then engage or release the electric parking. ! Parking
brake
inopera‐
tive !
The warning lamp (yellow) lights up. In addition, the
indicator lamp (red) flashes for about 10 seconds after the
electric parking brake has been engaged or released. It then
goes out or remains lit.
The electric parking brake is malfunctioning.
X Switch the ignition off and on, and then engage the electric
parking brake.
If it is not possible to engage the electric parking brake:
X Shift the transmission to P.
X Use the folding wheel chock (Y page 315) from the vehicle
tool kit to secure the vehicle against rolling away.
X Visit a qualified specialist workshop. ! Turn on
the igni‐
tion to
release
the park‐
ing brake !
The indicator lamp (red) flashes.
You attempted to release the electric parking brake while the
ignition was switched off.
X Key: turn the key to position 1in the ignition lock.
X KEYLESS GO*: switch on the ignition. Display
messages
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Page 341 of 421
Display messages
Possible causes/consequences and
X
X Solutions ¨ Stop vehi‐
cle Vehi‐
cle too
low
G
Risk of accident
The vehicle level control system* is malfunctioning.
X Do not exceed a maximum speed of 80 km/h.
X Make only slight steering movements. Otherwise, the front
wing or the tyres could be damaged when you drive on.
X Listen for scraping sounds.
X Pull over and stop the vehicle, paying attention to road and
traffic conditions, and select a higher vehicle level.
The vehicle may be raised, depending on the type of mal-
function.
X Visit a qualified specialist workshop. The vehicle level is too low.
X
Pull over and stop the vehicle safely, paying attention to
road and traffic conditions.
After a few seconds, the vehicle level is adjusted and the
display message disappears. ¨ Vehicle
rising
Please
wait
briefly The vehicle level is too low when the vehicle is stationary.
X
Remain stationary.
X Wait until the display message disappears.
The vehicle has reached the level required for driving. ¨ Malfunc‐
tion
G
Risk of accident
The AIRMATIC* function is restricted. The vehicle's handling
characteristics may be affected.
X Do not exceed a maximum speed of 80 km/h.
X Visit a qualified specialist workshop. 6 Restraint
system
malfunc‐
tion Con‐
sult work‐
shop
G
Risk of injury
The restraint system is faulty.
X Visit a qualified specialist workshop. 338
Display
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Page 346 of 421
Display messages
Possible causes/consequences and
X
X Solutions The poly-V-belt may have torn.
X
Stop immediately and safely when traffic conditions permit
and check the poly-V-belt.
If the poly-V-belt is torn:
X Do not drive on. Consult a qualified specialist workshop.
If the poly-V-belt is intact:
X Wait until the display message disappears before restarting
the engine. Otherwise, there is a risk of engine damage.
X Observe the coolant temperature gauge.
X Have the vehicle checked at a qualified specialist work-
shop. b Third
brake lamp The third brake lamp is faulty. The display message will only
appear if all LEDs have failed.
X
Visit a qualified specialist workshop. b Left-hand
cornering
light
or
Right-
hand cor‐
nering
light The left-hand or right-hand cornering lamp is faulty.
X
Change the bulb (Y page 369). b Left-hand
dipped
beam
or
Right-
hand
dipped
beam The left-hand or right-hand dipped-beam headlamp is faulty.
X
Visit a qualified specialist workshop. b Active
Light
Function
inopera‐
tive
The active light function* is faulty.
X
Visit a qualified specialist workshop. Display
messages
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Page 347 of 421
Display messages
Possible causes/consequences and
X
X Solutions b AUTO
lights
inopera‐
tive The light sensor is faulty. Daytime driving lights are switched
on.
X
Switch off the daytime driving lights in the on-board com-
puter (Y page 225).
X Switch the lighting on or off using the light switch.
X Visit a qualified specialist workshop. b Rear left-
hand turn
signal
or
Rear
right-
hand turn
signal The rear left-hand or right-hand turn signal is faulty.
X
Visit a qualified specialist workshop. b Turn sig‐
nal in
left-hand
exterior
mirror
or
Turn sig‐
nal in
right-
hand exte‐
rior mir‐
ror The left-hand or right-hand turn signal on the exterior mirror
is faulty. The display message will only appear if all LEDs have
failed.
X
Visit a qualified specialist workshop. b Front
left-hand
turn sig‐
nal
or
Front
right-
hand turn
signal The front left-hand or right-hand turn signal is faulty.
X
Visit a qualified specialist workshop. b Left-hand
main beam
or
Right-
hand main
beam The left-hand or right-hand main beam headlamp is faulty.
X
Change the bulb (Y page 369).344
Display
messagesPractical advice
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Page 348 of 421
Display messages
Possible causes/consequences and
X
X Solutions b Left-hand
licence
plate lamp
or
Right-
hand
licence
plate lamp The left-hand or right-hand licence plate lamp is faulty.
X
Visit a qualified specialist workshop. b Switch
off lights The lights are still switched on when you leave the vehicle.
X
Turn the light switch to $orc.
or
X If the rear foglamp is switched on: press the light switch in
to the stop. b Left-hand
foglamp
or
Right-
hand fog‐
lamp The front left-hand or right-hand foglamp is faulty.
X
Visit a qualified specialist workshop. b Rear left-
hand fog‐
lamp
or
Rear
right-
hand fog‐
lamp The rear left-hand or right-hand foglamp is faulty.
X
Visit a qualified specialist workshop. b Front
left-hand
parking
lamp
or
Front
right-
hand park‐
ing lamp The left-hand or right-hand side lamp is faulty.
X
Visit a qualified specialist workshop. Display
messages
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Page 349 of 421
Display messages
Possible causes/consequences and
X
X Solutions b Left-hand
reversing
lamp
or
Right-
hand
reversing
lamp The left-hand or right-hand reversing lamp is faulty.
X
Visit a qualified specialist workshop. b Left-hand
tail lamp/
brake lamp
or
Right-
hand tail
lamp/
brake lamp The left-hand or right-hand tail lamp/brake lamp is faulty. The
display message will only appear if all LEDs have failed.
X
Visit a qualified specialist workshop. b Intell.
Light Sys‐
tem inop‐
erative The Intelligent Light System is faulty. The lights remain avail-
able without the Intelligent Light System.
X
Visit a qualified specialist workshop. Á Night
View
Assist
inopera‐
tive
Night View Assist* is faulty.
X
Visit a qualified specialist workshop. Á Night
View
Assist
currently
unavaila‐
ble The temperature of the camera is too high.
X
Wait until you see the Night View Assist available
again display message.
You can also:
X Fold the camera cover down (Y page 311).
X Adjust the air distribution of the automatic air conditioning
upwards. Á Night
View
Assist
Lights
must be
on or set
to AUTO
A condition for activating Night View Assist* has not been
met.
X
Turn the light switch to corL. 346
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Page 350 of 421
Display messages
Possible causes/consequences and
X
X Solutions Á Night
View
Assist
Not in
Reverse
A condition for activating Night View Assist* has not been
met.
X
Shift the transmission to P,Nor D. Á Night
View
Assist
Lights on
or AUTO,
not in
Reverse
A condition for activating Night View Assist* has not been
met.
X
Turn the light switch to corL.
X Shift the transmission to P,Nor D. Á Night
View
Assist
only when
it is dark
You have attempted to activate Night View Assist* in the day-
time.
Night View Assist* can only be activated when it is dark.
4 Engine
oil level
Stop vehi‐
cle Turn
engine off There is insufficient oil in the engine. There is a risk of engine
damage.
X
Pull over and stop the vehicle safely and switch off the
engine, paying attention to road and traffic conditions.
X Top up and check the engine oil level (Y page 293).4 Top up
with 1
litre of
engine
oil when
next refu‐
elling
The engine oil level is too low
38
.
X Check the engine oil level ( Ypage 293).
X If necessary, top up the engine oil.
X Have the engine checked for leaks if the engine oil needs
topping up more often than usual. 4 Engine
oil level
Reduce
oil level
You have added too much engine oil
38
. The engine or catalytic
converter may be damaged.
X Siphon off excess engine oil until it is at the specified level.
Observe the legal requirements. 4 Engine
oil level
cannot be
measured
The measuring system is malfunctioning
38
.
X Visit a qualified specialist workshop. 38
Only on certain vehicles. Display
messages
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Page 352 of 421
Troubleshooting
Points to remember
G
Risk of accident and injury
The operating safety of your vehicle may be affected if service work is carried out incorrectly.
You could lose control of your vehicle and cause an accident. In addition, the safety systems may
no longer be able to protect you or others as they are designed to do.
Always have service work performed at a qualified specialist workshop which has the necessary
specialist knowledge and tools to carry out the work required. Mercedes-Benz recommends that
you use a Mercedes-Benz Service Centre for this purpose. In particular, work relevant to safety
or on safety-related systems must be carried out at a qualified specialist workshop. Warning and indicator lamps in switches, buttons and exterior mirrors
Problem
Possible causes/consequences and
X
X Solutions The seat ventilation*
has switched itself off
prematurely. The on-board voltage is too low, because too many consumers are
switched on.
X Switch off consumers that are not required, e. g. the reading
lamp or interior lighting. The seat heating has
switched itself off pre-
maturely. The on-board voltage is too low, because too many consumers are
switched on.
X Switch off consumers that are not required, e. g. the reading
lamp or interior lighting. The cooling system
cannot be switched on
using COMAND. Cooling has been deactivated due to a malfunction.
X
Visit a qualified specialist workshop. The rear-window heat-
ing has switched off
prematurely or cannot
be switched on. The on-board voltage is too low, because too many consumers are
switched on.
X Switch off consumers that are not required, e. g. the reading
lamp or interior lighting.
Once the battery is sufficiently charged, the rear window heating
will switch back on automatically. Troubleshooting
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