brake sensor MERCEDES-BENZ GL 2014 Owner's Manual

Display messagesPossible causes/consequences andPPSolutions
PRE-SAFEPRE-SAFE
FunctionsFunctions
Currently LimitedCurrently Limited
See Operator'sSee Operator's
ManualManual
Vehicles with the Active Driving Assistance package:
PRE-SAFE®Brake 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.
RAMG vehicles: ESP®is deactivated.
Rthe system is outside the operating temperature range.
Rthe on-board voltage is too low.
When the causes stated above no longer apply, the display
message disappears.
PRE-SAFE®Brake 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.
XAMG vehicles: reactivate ESP®(Ypage 73).
PRE-SAFEPRE-SAFE
FunctionsFunctions
Currently LimitedCurrently Limited
See Operator'sSee Operator's
ManualManual
Vehicles without the Active Driving Assistance package: Adaptive
Brake Assist is faulty. The distance warning function may also have
failed.
Vehicles with the Active Driving Assistance package:
PRE-SAFE®Brake is faulty. BAS PLUS or the distance warning
function may also have failed.
XVisit a qualified specialist workshop.
u
SRS MalfunctionSRS Malfunction
Service RequiredService Required
There is a malfunction in the SRS (Supplemental Restraint
System).
Theuwarning lamp also lights up in the instrument cluster.
GWARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
XVisit a qualified specialist workshop.
Further information on occupant safety (Ypage 43).
Displaymessages299
On-b oard computer and displays
Z

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).
316Displaymessages
On-b oard computer and displays

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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On-b oard computer and displays