2009 MERCEDES-BENZ GL SUV lock
[x] Cancel search: lockPage 228 of 309
Display messages
Possible causes/consequences and
X
X Solutions D Power
steering
malfunc‐
tion See
Owner's
Manual
G
Risk of accident
There is no power assistance for the steering. You will need
to use more force to steer.
X Check whether you are able to apply the extra force
required.
X If you are able to steer safely: carefully drive on to a
qualified specialist workshop.
X If you are unable to steer safely: do not drive on. Contact
the nearest 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 ( Ypage 254). b Left-hand
dipped
beam
or
Right-
hand
dipped
beam The left-hand or right-hand dipped-beam headlamp is faulty.
X
Halogen headlamp: replace the bulb (Ypage 254).
X Bi-xenon headlamp*: visit a qualified specialist workshop. b AUTO
lights
inopera‐
tive The light sensor is faulty.
X
Visit a qualified specialist workshop. b Trailer
Left-hand
turn sig‐
nal
or
Trailer
Right-
hand turn
signal The left-hand or right-hand trailer turn signal lamp is faulty.
X
Change the bulb. b Trailer
brake lamp The trailer brake lamp is faulty.
X
Change the bulb. Display
messages
225Practical advice
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Page 229 of 309
Display messages
Possible causes/consequences and
X
X Solutions b Trailer
Left-hand
tail lamp
or
Trailer
Right-
hand tail
lamp The left-hand or right-hand trailer tail lamp is faulty.
X
Change the bulb. b Turn sig‐
nal, rear
left
or
Turn sig‐
nal, rear
right The rear left-hand or right-hand turn signal is faulty.
X
Change the bulb ( Ypage 254). b Turn sig‐
nal in
mirror,
left
or
Turn sig‐
nal in
mirror,
right The turn signal in the left-hand or right-hand exterior mirror
is faulty. The display message will only appear if all LEDs have
failed.
X
Visit a qualified specialist workshop. b Turn sig‐
nal,
front left
or
Turn sig‐
nal,
front
right The front left-hand or right-hand turn signal is faulty.
X
Change the bulb ( Ypage 254). b Left-hand
brake lamp
or
Right-
hand
brake lamp The left-hand or right-hand brake lamp is faulty.
X
Change the bulb ( Ypage 254). b 3rd 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. 226
Display
messagesPractical advice
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Page 230 of 309
Display messages
Possible causes/consequences and
X
X Solutions b Main
beam, left
or
Main
beam,
right The left-hand or right-hand main beam headlamp is faulty.
X
Halogen headlamp: replace the bulb (Ypage 254).
X Bi-xenon headlamp*: visit a qualified specialist workshop. b Licence
plate
lamp, left
or
Licence
plate
lamp,
right The left-hand or right-hand licence plate lamp is faulty.
X
Change the bulb ( Ypage 254). b Switch
off lights The lights are still switched on when you leave the vehicle.
X
Turn the light switch to $orÃ.
or
X If the rear foglamp is switched on: press the light switch in
to the stop. b Front fog‐
lamp, left
or
Front fog‐
lamp,
right 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 left-hand or right-hand rear foglamp is faulty.
X
Change the bulb ( Ypage 259). b Parking
lamp,
front left
or
Parking
lamp,
front
right The front left-hand or right-hand parking lamp is faulty.
X
Change the bulb ( Ypage 254). Display
messages
227Practical advice
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Page 231 of 309
Display messages
Possible causes/consequences and
X
X Solutions b Reversing
lamp, left
or
Reversing
lamp,
right The left-hand or right-hand reversing lamp is faulty.
X
Change the bulb ( Ypage 254). b Left-hand
tail lamp
or
Right-
hand tail
lamp The left-hand or right-hand tail lamp is faulty.
X
Change the bulb ( Ypage 254). b Left day‐
time driv‐
ing lamp
or
Right
daytime
driving
lamp The left or right daytime driving lamp is faulty.
X
Visit a qualified specialist workshop. ¸ Replace
air
cleaner
element
The engine air filter is dirty and must be replaced.
33
X Visit a qualified specialist workshop. 4 Check
engine
oil level
when next
refuelling The engine oil level has dropped to a critical level.
X
Check the engine oil level ( Ypage 176).
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 Add
1 litre
engine
oil when
next refu‐
elling
The oil level is too low
33
.
X Check the engine oil level ( Ypage 176).
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. 33
Only for certain countries. 228
Display
messagesPractical advice
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Page 232 of 309
Display messages
Possible causes/consequences and
X
X Solutions 4 Engine
oil level
Stop car,
turn
engine off The oil level is too low. There is a risk of engine damage.
X
Pull over and stop the vehicle safely, paying attention to
road and traffic conditions.
X Switch off the engine.
X Top up the engine oil and check the level (Y page 176).4 Engine
oil level
Reduce
oil level
You have added too much engine oil
33
. There is a risk of dam-
age to the engine or to the catalytic converter.
X Siphon off excess engine oil until it is at the specified level.
Observe the legal requirements. 4 Engine
oil level
Consult
workshop The engine oil level has dropped to a critical level or the
measuring system is malfunctioning.
33
X Check the engine oil level ( Ypage 176).
If the engine oil level is OK:
X Visit a qualified specialist workshop.
If the engine oil level is not OK:
X Top up the engine oil.
X If the warning message disappears: consult a qualified spe-
cialist workshop.
X If the warning message does not disappear: keep the vehi-
cle at a standstill and notify a qualified specialist workshop. 4 Engine
oil level
cannot be
measured
The measuring system is malfunctioning
33
.
X Visit a qualified specialist workshop. h Tyre pres‐
sure Cau‐
tion,
tyre
defect
G
Risk of accident
The tyre pressure in one or more tyres has dropped suddenly.
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 traffic conditions as
you do so.
X Repair the faulty tyre or replace the wheel ( Ypage 262). 33
Only for certain countries. Display
messages
229Practical advice
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Page 233 of 309
Display messages
Possible causes/consequences and
X
X Solutions h Tyre pres‐
sure
Check
tyres
G
Risk of accident
The tyre pressure in one or more tyres has dropped signifi-
cantly. 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 traffic conditions as
you do so.
X Check the tyres.
X If necessary, repair any defective tyres or change the wheel
(Y page 262).
X Check the tyre pressure. If necessary, correct the tyre pres-
sure (Y page 180).
The display message will disappear automatically after you
have been driving for a few minutes with the corrected tyre
pressure. h Please
correct
tyre pres‐
sure(s)
Vehicles with tyre pressure monitor*: the pressure is insuffi-
cient in at least one of the tyres or the pressure difference
between the individual tyres is too great.
X
Check the tyre pressures at the next opportunity. If neces-
sary, correct the tyre pressure (Y page 180).+ Change
key bat‐
teries
The KEYLESS GO* key batteries are discharged.
X
Change the batteries ( Ypage 253). + Key does
not
belong to
vehicle You have put the wrong key in the ignition lock.
X
Use the correct key. 230
Display
messagesPractical advice
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Page 234 of 309
Display messages
Possible causes/consequences and
X
X Solutions + Key not
detected
(red display
message)
The KEYLESS GO key* is not in the vehicle.
If the engine is switched off, you can no longer lock the 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 Locate the KEYLESS GO key*. The KEYLESS GO key* is not detected while the engine is
running because there is interference from a strong source of
radio waves.
X Pull over and stop the vehicle safely as soon as possible,
paying attention to road and traffic conditions.
X Operate the vehicle using the key in the ignition lock if nec-
essary. + Key not
detected
(white dis-
play mes-
sage)
The KEYLESS GO* key cannot be detected at present.
X
Change the location of the key with the KEYLESS GO func-
tion* in the vehicle.
X If the key with the KEYLESS GO* function still cannot be
detected: operate the vehicle with the key in the ignition
lock. + Key detec‐
ted in
vehicle
The KEYLESS GO key* has been detected inside the vehicle
during locking.
X
Remove the KEYLESS GO key* from the vehicle. + You need
a new key The key must be replaced.
X
Visit a qualified specialist workshop. +
button,
then
insert key
The KEYLESS GO* key cannot be detected continuously.
X
Insert the key into the ignition lock and turn it to the desired
position.
X Visit a qualified specialist workshop. & inopera‐
tive Bat‐
tery weak The on-board voltage is too low. The auxiliary heating/venti-
lation* has switched off or cannot be switched on.
X
Drive for a longer distance.
The battery is being charged. The auxiliary heating/venti-
lation *can be reactivated as soon as there is sufficient on-
board voltage. Display messages
231Practical advice
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Page 235 of 309
Display messages
Possible causes/consequences and
X
X Solutions & Inopera‐
tive
Refuel
vehicle The fuel level in the fuel tank is too low. The auxiliary heat-
ing* cannot be switched on.
X
Refuel at the nearest filling station. & inopera‐
tive See
Owner's
Manual
The auxiliary heating* is temporarily malfunctioning or is
defective.
X
When the vehicle is on a level surface and the engine has
cooled down, make up to four attempts to switch on the
auxiliary heating*, waiting several minutes between each
attempt.
X If the auxiliary heating* does not switch on, visit a qualified
specialist workshop. C There is only a small amount of fuel in the fuel tank.
X
Refuel at the nearest filling station. 8 Reserve
fuel The fuel level has fallen below the reserve range. The opera-
tion of the auxiliary heating* can no longer be guaranteed.
X
Refuel at the nearest filling station. ~ Please
enter PIN
You have not yet logged on to your mobile phone
*.
X Enter the PIN for the SIM card. ~ Bluetooth
ready The Bluetooth connection between your mobile phone and
the audio system or COMAND APS* is not activated.
X
If desired, activate the Bluetooth connection between the
mobile phone and the audio system or COMAND APS* (see
separate operating instructions). ~ No tele‐
phone
inserted
Your mobile phone is not inserted in the bracket*.
X
Insert the mobile phone into the bracket* ( Ypage 164). ¥ Top up
washer
fluid The washer fluid level has dropped to approximately
⅓of the
total reservoir capacity.
X Top up the windscreen washer fluid (Y page 178).232
Display messagesPractical advice
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