2014 MERCEDES-BENZ GL ECU

Display messagesPossible causes/consequences andPPSolutions
LOW RANGE StopLOW RANGE Stop
ApplyApplyParkingParkingBrakeBrake
A gearshift process has been canceled. LOW RANGE is in the
neutral position. There is no connection between the engine and
the drive wheels.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
XApply the electric parking brake. Do not continue driving under
any circumstances.
XRepeat the gearshift process.
LOW RANGELOW RANGE
Malfunction ToMalfunction To
Park, Apply BrakePark, Apply Brake
LOW RANGE is malfunctioning.
XDo not drive at speeds above 50 mph (80 km/h).
XWhen parking, secure the vehicle against rolling away
(Ypage 188).
XHave the vehicle checked at a qualified specialist workshop.
LOW RANGELOW RANGE
Max.Speed 25 mphMax.Speed 25 mph
You have exceeded the maximum speed for the gearshift process.
XDrive more slowly.
The gear change is made.
LOW RANGE Max.LOW RANGE Max.
Speed 40 mphSpeed 40 mph
You have exceeded the maximum speed for the gearshift process.
XDrive more slowly.
The gear change is made.
LOWLOWRANGERANGEShiftShifttoto
Position N BrieflyPosition N Briefly
You have reduced the vehicle speed, but the automatic
transmission is not in positionN.
XBriefly shift the automatic transmission to positionN.
LOWLOWRANGERANGEShiftingShifting
Canceled PleaseCanceled Please
ReactivateReactivate
The gearshift process has been canceled.
XRepeat the gearshift process.

Display messagesPossible causes/consequences andPPSolutions
Lane KeepingLane Keeping
Assist CurrentlyAssist Currently
Unavailable SeeUnavailable See
Operator's ManualOperator's Manual
orActive LaneActive Lane
Keeping AssistKeeping Assist
CurrentlyCurrently
Unavailable SeeUnavailable See
Operator's ManualOperator's Manual
Lane Keeping Assist or Active Lane Keeping Assist is deactivated
and temporarily inoperative. Possible causes are:
Rthe windshield in the camera's field of vision is dirty.
Rvisibility is impaired due to heavy rain, snow or fog.
Rthere are no lane markings for a longer period.
Rthe lane markings are worn, dark or covered, e.g. by dirt or snow.
When the causes stated above no longer apply, the display
message disappears.
Lane Keeping Assist or Active Lane Keeping Assist is operational
again.
If the display message does not disappear:
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 188).
XClean the windshield.
Lane KeepingLane Keeping
AssistAssist
InoperativeInoperativeor
Active LaneActive Lane
Keeping AssistKeeping Assist
InoperativeInoperative
Lane Keeping Assist or Active Lane Keeping Assist is defective.
XVisit a qualified specialist workshop.
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Display messagesPossible causes/consequences andPPSolutions
Blind Spot AssistBlind Spot Assist
CurrentlyCurrently
Unavailable SeeUnavailable See
Operator's ManualOperator's Manual
orActive BlindActive Blind
Spot AssistSpot Assist
CurrentlyCurrently
Unavailable SeeUnavailable See
Operator's ManualOperator's Manual
Blind Spot Assist or Active Blind Spot Assist is temporarily
inoperative. Possible causes are:
Rthe sensors are dirty.
Rfunction is impaired due to heavy rain or snow.
Rthe radar sensor system is outside the operating temperature
range.
Rthe radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
The yellowcindicator lamps also light up in the exterior
mirrors.
When the causes stated above no longer apply, the display
message disappears.
Blind Spot Assist or Active Blind Spot Assist is operational again.
If the display message does not disappear:
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 188).
XClean the sensors (Ypage 380).
XRestart the engine.
Blind Spot Assist or Active Blind Spot Assist is deactivated while
towing a trailer.
You have established the electrical connection between the trailer
and your vehicle.
XPressvon the steering wheel to confirm the display
message.
Blind Spot AssistBlind Spot Assist
InoperativeInoperativeor
Active Blind SpotActive Blind Spot
Assist InoperativeAssist Inoperative
Blind Spot Assist or Active Blind Spot Assist is defective.
The yellowcindicator lamps also light up in the exterior
mirrors.
XVisit a qualified specialist workshop.
Park AssistPark Assist
CanceledCanceled
The driver's door is open and the driver's seat belt has not been
fastened.
XRepeat the parking process with the seat belt fastened and the
driver's door closed.
You have inadvertently touched the multifunction steering wheel
while steering intervention was active.
XWhile steering intervention is active, make sure that the
multifunction steering wheel is not touched unintentionally.
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Display messagesPossible causes/consequences andPPSolutions
DISTRONIC PLUSDISTRONIC PLUS
CurrentlyCurrently
Unavailable SeeUnavailable See
Operator's ManualOperator's Manual
DISTRONIC PLUS is temporarily inoperative. Possible causes are:
Rfunction is impaired due to heavy rain or snow.
Rthe sensors in the radiator grill and the bumper are dirty.
Rthe radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
Rthe system is outside the operating temperature range.
Rthe on-board voltage is too low.
A warning tone also sounds.
When the causes stated above no longer apply, the display
message disappears.
DISTRONIC is operational again.
If the display message does not disappear:
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 188).
XClean the sensors in the radiator grill and the bumper
(Ypage 380).
XRestart the engine.
DISTRONIC PLUSDISTRONIC PLUS
InoperativeInoperative
DISTRONIC PLUS is defective.
BAS PLUS (Brake Assist PLUS) and PRE-SAFE®Brake may be
inoperative as well.
A warning tone also sounds.
XVisit a qualified specialist workshop.
DISTRONIC PLUSDISTRONIC PLUS
PassivePassive
You have depressed the accelerator pedal. DISTRONIC PLUS is no
longer controlling the speed of the vehicle.
XRemove your foot from the accelerator pedal.
DISTRONIC PLUSDISTRONIC PLUS
- - - mph- - - mph
An activation condition for DISTRONIC PLUS is not fulfilled.
XCheck the activation conditions for DISTRONIC PLUS
(Ypage 203).
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Tires
Display messagesPossible causes/consequences andPPSolutions
Check TireCheck Tire
Pressure SoonPressure Soon
The tire pressure loss warning system has detected a significant
loss in pressure.
A warning tone also sounds.
GWARNING
With tire pressures which are too low, there is a risk of the
following hazards:
Rthey may burst, especially as the load and vehicle speed
increase.
Rthey may wear excessively and/or unevenly, which may greatly
impair tire traction.
Rthe driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 188).
XCheck the tires and, if necessary, follow the instructions for a
flat tire (Ypage 387).
XCheck the tire pressures and, if necessary, correct the tire
pressure.
XRestart the tire pressure loss warning system when the tire
pressure is correct (Ypage 412).
Check TireCheck Tire
PressurePressure
Then Restart RunThen Restart Run
Flat IndicatorFlat Indicator
The tire pressure loss warning system generated a display
message and has not been restarted since.
XSet the correct tire pressure in all four tires.
XRestart the tire pressure loss warning system (Ypage 412).
Run Flat IndicatorRun Flat Indicator
InoperativeInoperative
The tire pressure loss warning system is faulty.
XVisit a qualified specialist workshop.
RectifyRectify
Tire PressureTire Pressure
The tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great.
XCheck the tire pressures at the next opportunity (Ypage 412).
XIf necessary, correct the tire pressure.
XRestart the tire pressure monitor (Ypage 415).
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Display messagesPossible causes/consequences andPPSolutions
CheckCheck
TiresTires
The tire pressure in one or more tires has dropped significantly.
The wheel position is displayed in the multifunction display.
A warning tone also sounds.
GWARNING
With tire pressures which are too low, there is a risk of the
following hazards:
Rthey may burst, especially as the load and vehicle speed
increase.
Rthey may wear excessively and/or unevenly, which may greatly
impair tire traction.
Rthe driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 188).
XCheck the tires and, if necessary, follow the instructions for a
flat tire (Ypage 387).
XCheck the tire pressure (Ypage 412).
XIf necessary, correct the tire pressure.
WarningWarning
Tire MalfunctionTire Malfunction
The tire pressure in one or more tires has dropped suddenly. The
wheel position is shown in the multifunction display.
GWARNING
If you drive with a flat tire, there is a risk of the following hazards:
Ra flat tire affects the ability to steer or brake the vehicle.
Ryou could lose control of the vehicle.
Rcontinued driving with a flat tire will cause excessive heat build-
up and possibly a fire.
There is a risk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 188).
XCheck the tires and, if necessary, follow the instructions for a
flat tire (Ypage 387).
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Display messagesPossible causes/consequences andPPSolutions
Tire Press.MonitorTire Press.Monitor
CurrentlyCurrently
UnavailableUnavailable
Due to a source of radio interference, no signals can be received
from the wheel sensors. The tire pressure monitor is temporarily
malfunctioning.
XDrive on.
The tire pressure monitor restarts automatically as soon as the
problem has been solved.
TirePress.TirePress.
Sensor(s) MissingSensor(s) Missing
There is no signal from the tire pressure sensor of one or several
wheels. The pressure of the affected tire is not displayed in the
multifunction display.
XHave the faulty tire pressure sensor replaced at a qualified
specialist workshop.
Tire PressureTire Pressure
MonitorMonitor
Inoperative NoInoperative No
Wheel SensorsWheel Sensors
The wheels mounted do not have a suitable tire pressure sensor.
The tire pressure monitor is deactivated.
XMount wheels with suitable tire pressure sensors.
The tire pressure monitor is activated automatically after driving
for a few minutes.
TireTirePress.Press.MonitorMonitor
InoperativeInoperative
The tire pressure monitor is faulty.
XVisit a qualified specialist workshop.
Vehicle
Display messagesPossible causes/consequences andPPSolutions
Shift to 'P' orShift to 'P' or
'N''N'totoStartStartEngineEngine
You have attempted to start the engine with the transmission in
positionRorD.
XShift the transmission to positionPorN.
Auxiliary BatteryAuxiliary Battery
MalfunctionMalfunction
The auxiliary battery for the automatic transmission is no longer
being charged.
XVisit a qualified specialist workshop at the next opportunity.
XUntil then, set the automatic transmission to positionPbefore
you switch off the engine.
XBefore leaving the vehicle, apply the electric parking brake.
XSecure the vehicle against rolling away (Ypage 188).
Apply Brake toApply Brake to
Shift from 'P'Shift from 'P'
You have attempted to move the transmission selector lever to
positionD,RorNwithout depressing the brake pedal.
XDepress the brake pedal.
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Display messagesPossible causes/consequences andPPSolutions
Transmission NotTransmission Not
in P Risk ofin P Risk of
Vehicle RollingVehicle Rolling
AwayAway
The driver's door is open and the transmission is in positionR,N
orD.
A warning tone also sounds.
XShift the transmission to positionP.
XSecure the vehicle against rolling away (Ypage 188).
Service RequiredService Required
DoDoNotNotShiftShiftGearsGears
Visit DealerVisit Dealer
You cannot change the transmission position due to a malfunction.
A warning tone also sounds.
If transmission positionDis selected:
XDrive to a qualified specialist workshop without shifting the
transmission from positionD.
If transmission positionR,NorPis selected:
XNotify a qualified specialist workshop or breakdown service.
Only Shift to 'P'Only Shift to 'P'
when Vehicle iswhen Vehicle is
StationaryStationary
The vehicle is moving.
XStop the vehicle safely as soon as possible, paying attention to
road and traffic conditions.
XShift the transmission to positionP.
eThe tailgate is open.
GWARNING
When the engine is running, exhaust gases can enter the vehicle
interior if the tailgate is open.
There is a risk of poisoning.
XClose the tailgate.
fThe hood is open.
GWARNING
The open hood may block your view when the vehicle is in motion.
There is a risk of an accident.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 188).
XClose the hood.
QAt least one door is open.
A warning tone also sounds.
XClose all the doors.
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