2009 MERCEDES-BENZ GL SUV lock
[x] Cancel search: lockPage 220 of 309
Display messages
Possible causes/consequences and
X
X Solutions P To start
the
engine,
shift to
either P
or N You have attempted to start the engine with the transmission
in position
Ror D.
X Shift the automatic transmission to Por N. Depress
brake to
shift out
of position P
X
Depress the brake pedal. PRE-SAFE inopera‐
tive See
Owner's
Manual
G
Risk of injury
Important functions of PRE-SAFE ®
have failed. All other occu-
pant safety systems, e.g. airbags, remain available.
X Visit a qualified specialist workshop. Tyre pres‐
sure moni‐
tor inopera‐
tive
The tyre pressure monitor* is malfunctioning.
X
Have the tyre pressure monitor* and wheels checked at a
qualified specialist workshop. Tyre pres‐
sure moni‐
tor inopera‐
tive No
wheel sen‐
sors The fitted wheels do not have suitable tyre pressure sensors.
The tyre pressure monitor* is deactivated.
X
Fit wheels with suitable tyre pressure sensors.
The tyre pressure monitor* is activated automatically after
driving for a few minutes. Tyre pres‐
sure moni‐
tor Wheel sen‐
sor miss‐
ing
The tyre pressure monitor* is not receiving signals from one
or more wheels because:
R
a wheel without a suitable tyre pressure sensor has been
fitted, e.g. the emergency wheel*.
R the battery on one of the wheel electronics unit is dis-
charged.
R a wheel electronics unit has malfunctioned.
A line is displayed in the multi-function display for the affected
tyre instead of the tyre pressure value.
X Have the tyre pressure monitor* and wheels checked at a
qualified specialist workshop.
If wheels with suitable tyre pressure sensors are fitted, the
tyre pressures appear in the multi-function display after
driving for a few minutes. Display
messages
217Practical advice
* optional
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Page 221 of 309
Display messages
Possible causes/consequences and
X
X Solutions Tyre pres‐
sure moni‐
tor currently
unavaila‐
ble No sensor signals can be received due to radio interference.
The tyre pressure monitor* is temporarily malfunctioning.
X
Drive on.
The tyre pressure monitor* restarts automatically as soon
as the problem has been solved. Tyre pres‐
sure Check
tyres
G
Risk of accident
The tyre pressure loss warning system has detected a signif-
icant loss in pressure.
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 Check the tyre pressure. If necessary, correct the tyre pres-
sure (Y page 180).
X If necessary, repair any defective tyres or change the wheel
(Y page 262).
X Restart the tyre pressure loss warning system once the tyre
pressure is correct (Y page 182).Check
tyres, then
restart
Run Flat
Indicator A tyre pressure loss warning system display message
appeared.
X
Correct the tyre pressure on all tyres ( Ypage 180).
X Restart the tyre pressure loss warning system
(Y page 182). Run Flat
Indicator inopera‐
tive The tyre pressure loss warning system is faulty.
X
Visit a qualified specialist workshop. Please
correct tyre pres‐
sures
Vehicles with tyre pressure monitor*:
There is insufficient pressure in one or more tyres or the tyre
pressures on individual wheels differ too much.
X
Check the tyre pressures at the next opportunity. If neces-
sary, correct the tyre pressure (Y page 180).Cruise
control
and SPEED‐
TRONIC inopera‐
tive Speedtronic and cruise control are faulty.
X
Visit a qualified specialist workshop. DISTRONIC
and SPEED‐
TRONIC inopera‐
tive
Distronic* and Speedtronic are malfunctioning.
X
Visit a qualified specialist workshop. 218
Display
messagesPractical advice
* optional
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Page 222 of 309
Display messages
Possible causes/consequences and
X
X Solutions Cruise
control - - - km/h A condition for activating cruise control has not been met.
X
Activate ESP ®
(Y page 52)
X If conditions permit, drive faster than 30 km/h and store
the speed (Y page 117). Symbol messages
G
Risk of accident and injury
The operating safety of your vehicle could be compromised if service work is carried out improp-
erly. You could lose control of the vehicle and cause an accident. Safety systems may also not
be able to protect you or others as intended.
Always have maintenance work carried out at a qualified specialist workshop. The workshop must
have 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. Display messages
Possible causes/consequences and
X
X Solutions E The tailgate is open.
X
Close the tailgate. G
Risk of accident
Vehicles with an anti-theft alarm system*:
The bonnet is open.
X Stop immediately, paying attention to road and traffic con-
ditions.
X Close the bonnet. ; At least one door is open.
X
Close the doors. ? The engine fan is faulty.
X
If the coolant temperature is less than 120 †, you can
continue driving to the nearest qualified specialist work-
shop.
X Avoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop/start driving. Display
messages
219Practical advice
* optional
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Page 223 of 309
Display messages
Possible causes/consequences and
X
X Solutions # The battery is not being charged.
Possible causes are:
R
a faulty alternator
R a torn poly-V-belt
R a malfunction in the electronics
X Pull over and stop the vehicle safely and switch off the
engine, paying attention to road and traffic conditions.
X Open the bonnet.
X Check whether the poly-V-belt is torn.
If the poly-V-belt is torn:
! Do not continue driving. The engine could otherwise over-
heat.
X Switch off the engine.
X Consult a qualified specialist workshop.
If the poly-V-belt is OK:
X Visit a qualified specialist workshop. # Battery/
Alterna‐
tor Stop
vehicle The battery is faulty.
X
Pull over and stop the vehicle safely, paying attention to
road and traffic conditions. Do not continue driving under
any circumstances.
X Consult a qualified specialist workshop. # Brake wear The brake pads/linings have reached their wear limit.
X
Visit a qualified specialist workshop. J EBV, ABS,
ESP inop‐
erative
See Own‐
er's Man‐
ual
G
Risk of accident
EBV (Electronic Brake Force Distribution), ABS (Anti-lock
Brake System), ESP ®
(Electronic Stability Program) and there-
fore PRE-SAFE ®
are unavailable due to a fault. BAS (Brake
Assist) is also deactivated.
The brake system continues to function normally, but without
the functions listed above.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. 220
Display
messagesPractical advice
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Page 224 of 309
Display messages
Possible causes/consequences and
X
X Solutions J Check
brake
fluid
level
G
Risk of accident
There is insufficient brake fluid in the brake fluid reservoir.
X Pull over and stop the vehicle safely as soon as possible,
paying attention to road and traffic conditions. Do not con-
tinue driving under any circumstances.
X Consult a qualified specialist workshop.
X Do not top up the brake fluid. This will not rectify the fault. ! Release
parking
brake You are driving with the parking brake applied.
X
Release the parking brake. + Restraint
sys. mal‐
function
Consult
workshop
G
Risk of injury
The restraint systems are faulty.
X Visit a qualified specialist workshop immediately. · Clean
fuel fil‐
ter There is water in the fuel filter. The water must be drained
off
33
.
X Visit a qualified specialist workshop. ° Level
selection
not per‐
mitted You cannot change the vehicle level, because:
R
you are exceeding the permissible speed for the selected
vehicle level
R you are towing a trailer
R the socket of the trailer coupling is in use, e.g. by a cycle
rack
X Drive slower and reselect the desired vehicle level.
X Observe the notes on trailer towing (Y page 196).° Compres‐
sor cool‐
ing down You have selected a higher vehicle level. The compressor first
needs to cool down because of frequent level changes.
X
Drive as appropriate for the current vehicle level.
X Make sure that there is sufficient ground clearance.
X Allow the compressor to cool down.
When the compressor has cooled down, the display mes-
sage disappears. The vehicle then continues rising to the
selected level. 33
Only for certain countries. Display
messages
221Practical advice
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Page 225 of 309
Display messages
Possible causes/consequences and
X
X Solutions ° Malfunc‐
tion The level control has malfunctioned.
X
Drive as appropriate for the current vehicle level, but do not
exceed 80 km/h.
X Make sure that there is sufficient ground clearance.
X Have the vehicle checked at a qualified specialist work-
shop. ° Rising
20 km/h max. The vehicle is being adjusted to off-road level 3. The display
message indicates the maximum speed allowed for off-road
level 3.
X
Do not exceed a maximum speed of 20 km/h. ° 20 km/h max. You are driving in off-road level 3. The display message indi-
cates the maximum speed allowed for off-road level 3.
X
Do not exceed a maximum speed of 20 km/h. Æ being low‐
ered
20 km/h max. The vehicle is being lowered from off-road level 3 to off-road
level 2. The display message indicates the maximum speed
allowed for off-road level 3.
X
Do not drive faster than 20 km/h until the vehicle has
reached off-road level 2. Æ Bring
speed
below
20 km/h
G
Risk of accident
You are exceeding the speed permissible for the selected off-
road level.
X Do not exceed a maximum speed of 20 km/h.
X Adjust your driving style to the altered handling character-
istics.
X Only make slight steering movements and avoid fast steer-
ing movements.
X Be aware of the altered handling characteristics. 8 Locking
system
inopera‐
tive Con‐
sult work‐
shop The differential locks are faulty.
X
Do not exceed a maximum speed of 80 km/h.
X Have the vehicle checked at a qualified specialist work-
shop. 222
Display
messagesPractical advice
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Page 226 of 309
Display messages
Possible causes/consequences and
X
X Solutions 8 Diff.
lock sys‐
tem over‐
heated.
Wait
briefly. The differential locks are too hot and have been disengaged.
X
Drive on carefully.
X Allow the differential locks to cool down.
The differential locks reengage as soon as they have cooled
down. Ã inopera‐
tive DSR is deactivated due to a malfunction.
X
Have DSR checked at a qualified specialist workshop. 8 Stop vehi‐
cle Apply
parking
brake A gearshift process has been cancelled. LOW RANGE is in the
neutral position. There is no connection between the engine
and the drive wheels.
X
Pull over and stop the vehicle safely, paying attention to
road and traffic conditions.
X Depress the parking brake firmly. Do not continue driving
under any circumstances.
X Repeat the shift process. Å Consult
workshop
If
parked,
apply pk.
brake The LOW RANGE system is malfunctioning.
X
Do not exceed a maximum speed of 80 km/h.
X Firmly depress the parking brake to park.
X Have the vehicle checked at a qualified specialist work-
shop. Å max.
speed
70 km/h You have exceeded the maximum speed for the gearshift
process.
X
Drive more slowly.
The gearshift process is carried out. Å max.
speed
40 km/h You have exceeded the maximum speed for the gearshift
process.
X
Drive more slowly.
The gearshift process is carried out. Å Engage N
briefly You have reduced the vehicle speed, but the automatic trans-
mission is not in the
Nposition.
X Briefly shift the automatic transmission to position N.Å Shifting
process
cancelled
Reactivate The gearshift process has been cancelled.
X
Repeat the shift process. Display
messages
223Practical advice
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Page 227 of 309
Display messages
Possible causes/consequences and
X
X Solutions ? Coolant
Stop car,
turn
engine off The coolant is too hot.
X
Pull over and stop the vehicle safely and switch off the
engine, paying attention to road and traffic conditions.
X Make sure that the air supply to the radiator is not blocked,
e.g. by slush.
X Wait until the display message disappears before restarting
the engine. Otherwise, there is a risk of engine damage.
X Pay attention to the coolant temperature display
(Y page 100).
X If the temperature increases again, visit a qualified special-
ist workshop immediately. The poly-V-belt may have torn.
X
Pull over and stop the vehicle safely and switch off the
engine, paying attention to road and traffic conditions.
X Open the bonnet.
X Check whether the poly-V-belt is torn.
If the poly-V-belt is torn:
! Do not continue driving. The engine could otherwise over-
heat.
X Switch off the engine.
X Consult a qualified specialist workshop.
If the poly-V-belt is OK:
X Wait until the display message disappears before restarting
the engine. Otherwise, there is a risk of engine damage.
X Pay attention to the coolant temperature display
(Y page 100).
X Visit a qualified specialist workshop. + Top up
coolant
See Own‐
er's Man‐
ual The coolant level is too low.
X
Top up the coolant, observing the warning notes before
doing so (Y page 177).
X Have the engine cooling system checked at a qualified spe-
cialist workshop if the coolant needs topping up more often
than usual. 224
Display
messagesPractical advice
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