2012 MERCEDES-BENZ GL SUV parking sensors

If the
Sensors deactivated messa
ge
appears, the radar senso rsystem is deacti-
vated.
X Check whether or not the radar sensor sys-
tem is permitted to be activated
(Y page 433).
X Switc honthe radar sensor system
(Y page 28 3).
Activating/deactivating distance warn-
ing function X
Press =or; on the steering wheel
to select the Assist. menu.
X Press 9or: to select Dist. warn‐
ing .
X Press the abutton.
The curren tselection is displayed.
X To activate/deac tivate: press the a
button again.
When the distanc ewarning function is acti-
vated, the multifunction display shows the
Ä symbol if the HOLD function is not acti-
vated (Y page 211).
Vehicles with Active Parking Assist: if
PARKTRONIC is activated and you are driving
at as peed under 35 km/h, the jActive
Parkin gAssist symbol is shown instead of the
Ä symbol ( Ypage 21 9).
Further information on the distance warning
function (Y page63).
Activating/deactivatin gPRE-SAFE ®
Brake PRE-SAFE
®
Brake is only available in vehicles
with DISTRONIC PLUS.
X Press =or; on the steering wheel
to select the Assist. menu.
X Pres sthe 9 or: button to select
PRE-SA FEBrake .X
Press the abutton.
The curren tselection is displayed.
X To activate/deac tivate: press the a
button again.
When PRE-SAFE ®
Brak eisa ctivated, the mul-
tifunction displa yshows the Äsymbol as
long as the HOL Dfunction is not activated
(Y page 211).
Vehicles with Active Parking Assist: if
PARKTRONIC is activated and you are driving
at as peed under 35 km/h, the jActive
Parkin gAssist symbol is shown instead of the
Ä symbol ( Ypage 21 9).
If the PRE-SA FEBrake: Sensors deacti‐ vated message appears
,the radar sensor
system is deactivated.
X Chec kwhether or not the radar sensor sys-
tem is permi tted to be activated
(Y page 43 3).
X Switch on the radar senso rsystem
(Y page 283).
For more information on PRE-SAFE ®
Brake,
see (Y page 68).
Activating/deactivating ATTENTION
ASSIST X
Press =or; on the stee ring wheel
to select the Assist. menu.
X Pres sthe 9 or: button to select
Attent ionA sst. X
Press the abutton.
The curren tselection is displayed.
X To activate/deac tivate: press the a
button again.
When ATTENTION ASSI STis activated, the
À symbol appears in the multifunction
display when the ignition is on.
For further information about ATTENTION
ASSIST, see (Y page 232).278
Menus and submenusOn-boar
dcomputer and displays

Displa
ymessages Possible causes/consequences and
M Solutions
Blind Spot Assis
torActive Blind Spo tAssist is temporarily inop-
erative. Possible causes:
R the sensors are dirty.
R the function is impaired due to heavy rain or snow.
R the radar senso rsystem is outside the operating temperature
range.
R the radar sensor syste mistemporarily inoperative, e.g. due to
electromagneti cradiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation.
The yellow 9indicator lamps also light up in the exterior mir-
rors.
When the causes listed above no longer apply ,the displa ymes-
sage goes out.
Blin dSpot Assist or Active Blin dSpot Assist is operational again.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rollin gaway (Y page 181).
X Clean the sensors (Y page 370).
X Restart the engine. Blin
dSpot Assist inoperative
Active Blind Spot
Assist inoperative Blind Spot Assist or Active Blind Spot Assist is faulty.
Th
ey ellow 9indicator lamps also light up in the exterior mir-
rors.
X Visit aqualified specialist workshop. Park Assist cancel‐
led The driver'
sdoor is open and the driver's seat belt has not been
fastened.
X Repeat the parkin gprocess wit hthe seat belt fastened and the
driver's door closed. You hav
einadvertently touched the multifunction steerin gwheel
while steerin gintervention was active.
X While steerin gintervention is active, make sure not to touch the
multifunction steerin gwheel. The vehicle has star
tedtos kid and ESP ®
has intervened.
X Use Active Parking Assist again later (Y page 219).312
Display messagesOn-board computer and displays

Displa
ymessages Possible causes/consequences and
M Solutions
Pa
rk Assist inoper‐
ative Yo
uh avej ustc arrie doutalarg enumber of turning or parking
manoeuvres.
Active Parking Assist will become available again after approx-
imately ten minutes (Y page 219).
X Pull over and stop the vehicle safel yassoon as possible ,paying
attention to road and traffic conditions.
X Switch off and restart the engine.
If the display message continues to be displayed:
X Visit aqualified specialist workshop. PARKTRONI
Cisfaulty.
X Visit aqualified specialist workshop. Park Assist
switched off The vehicle is parked.
Awarning ton ealso sounds.
The display message disappear sautomatically. DI
STRONIC PLU Soff DISTRONIC PLUS ha
sbeen deactivate d(Ypage 198).
If it was deactivate dautomatically, awarning ton ealso sounds. DI
STRONIC PLUS available again DISTRONIC PLUS is operational agai
nafter having been tempo-
rarily unavailabl e. Youcan now reactivat eDISTRONIC PLUS
(Y page 198). DISTRONIC PLUS cur‐
rently unavailable
See Owner's Manual DISTRONIC PLUS is temporarily inoperative. Possible causes:
R thef unction is impaired due to heavy rain or snow.
R the sensors in the radiator trim and in the bumpers are dirty.
R the radar senso rsystem is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta-
tions or othe rsources of electromagnetic radiation.
R the system is outside the operatin gtemperature range.
R the on-boar dvoltage is too low.
Aw arning ton ealso sounds.
When th ecauses listed above no longer apply, the display mes-
sage goes out.
DISTRONI Cisoperational again.
If th edisplay message does no tdisappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rollin gaway (Y page 181).
X Clean the sensors in the radiator trim and in the bumpers
(Y page 370).
X Restar tthe engine. Displa
ymessages
313On-board compu tera nd displays Z