2013 MERCEDES-BENZ GL-Class park assist

The differential lock improves the vehicle’s
traction. 4ETS (Y
page 71) controls the
balance between both wheels on an axle.
You can only activate off-road program 2
when driving at speeds below 25 mph
(40 km/h).
LOW RANGE off-road gear (vehicles
with the ON&OFFROAD package) Important safety notes
G
WARNING
If you select the LOW RANGE off-road gear on
a slippery road surface, the wheels could lose
traction:
R if you remove your foot from the
accelerator pedal when driving
R if off road ABS intervenes when braking
If the wheels lose traction. the vehicle can no
longer be steered. There is an increased
danger of skidding and accidents.
Never select the LOW RANGE off-road gear
when driving on slippery road surfaces. G
WARNING
If you do not wait for the transfer case gear
change process to complete, the transfer
case could remain in the neutral position. The
power transmission to the driven wheels is
then interrupted. There is a danger of the
vehicle rolling away unintentionally. There is
a risk of an accident.
Wait until the transfer case shift process is
completed.
Do not turn off the engine while changing gear
and do not shift the automatic transmission
to another position. General notes 0002
LOW RANGE off-road gear button
0003 LOW RANGE off-road gear indicator lamp HIGH RANGE
Position for all normal on-
road driving conditions
LOW RANGE
Off-road position for
driving off-road and
fording
The transmission ratio
between the engine and
wheels is only
approximately one third of
that in the HIGH RANGE
road position. Drive torque
is thus proportionately
higher.
Do not use LOW RANGE:
R
on slippery road
surfaces, e.g. in the case
of slush
R on snow or ice-covered
roads
R if you have mounted
snow chains to your
vehicle The LOW RANGE off-road gear assists you in
driving off-road and when fording. When LOW
RANGE is engaged, the engine’s performance
characteristics and the gearshifting
characteristics of the automatic transmission
are adapted for this purpose.254
Driving systemsDriving and parking

plates and those for the towing vehicle under
"Technical data" (Y
page 449).
When towing a trailer, your vehicle's handling
characteristics will be differen tincomparison
with when driving without atrailer.
The vehicle/trailer combination:
R is heavier
R is restricted in its acceleration and
gradient-climbing capability
R has an increased braking distance
R is affected more by strong crosswinds
R demands more sensitive steering
R has a larger turning radius
This could impair the handling
characteristics.
When towing a trailer, always adjust your
speed to the current road and weather
conditions. Do not exceed the maximum
permissible speed for yourv ehicle/trailer
combination.
General notes R
Do not exceed the legally prescribed
maximum speed for vehicle/trailer
combinations in the relevant country.
This lowers the risk of an accident.
R Only install an approved trailer coupling on
your vehicle.
Further information on availability and on
installation is available from any authorized
Mercedes-Benz Center.
R The bumpers of your vehicle are not
suitable for installing detachable trailer
couplings.
R Do not install hired trailer couplings or
other detachable trailer couplings on the
bumpers of your vehicle.
R If you no longer need the ball coupling,
remove it from the ball coupling recess.
This will reduce the risk of damage to the
ball coupling.
i When towing a trailer, set the tire
pressure on the rear axle of the towing vehicle for a maximum load; see the tire
pressure table in the fuel filler flap
(Y
page 421).
You will find installation dimensions and loads
in the "Technical data" section
(Y page 448).
The maximum noseweight of the trailer
drawbar on the ball coupling is 600 lbs
(272 kg).
The actual noseweight may not be higher than
the value which is given. The value can be
found on the trailer tow hitch or trailer
identification plates. The lowest weight
applies.
Please note that when towing a trailer,
PARKTRONIC ( Ypage 217) and Blind Spot
Assist (Y page 237) are only available with
limitations, or not at all.
Driving tips i
Observe the information on ESP ®
trailer
stabilization (Y page 72) and on pulling
away with a trailer (Y page 166).
The maximum permissible speed for vehicle/
trailer combinations depends on the type of
trailer. Before beginning the journey, check
the trailer's documents to see what the
maximum permissible speed is. Observe the
legally prescribed maximum speed in the
relevant country.
For certain Mercedes-Benzv ehicles, the
maximum permissible rear axle load is
increased when towing a trailer. See
"Technical data" to find out whether this
applies to your vehicle (Y page 449). If you
utilize any of the added maximum rear axle
load when towing a trailer, the vehicle/trailer
combination may not exceed a maximum
speed of 60 mph (100 km/h) for reasons
concerning the operating permit .This also
applies in countries in which the permissible
maximum speed for vehicle/trailer
combinations is above 60 mph (100 km/h). 258
Towing
atrailerDriving an d parking

001E
Drive program (Y page 169)
001F Transmission positio n(Ypage 169)
X To show menu bar 0020:press the 0002
or 0005 button on the steering wheel.
Menu bar 0020disappears after a few seconds.
Text field 0021shows the selected menu or
submenu as well as display messages.
i You can set the time using the audio
system or COMAND; see the separate
operating instructions.
The following messages may appear in the
multifunction display:
00090011000A Active Parking Assist
(Ypage 221)
CRUISE Cruise control (Y
page 195)
000BDSR DSR (Y
page 250)
0006 Off-road program (vehicles
without the ON&OFFROAD
package) (Y page 252)
0006 Off-road program (vehicles with
the ON&OFFROA Dpackage)
(Y page 252)
LOW RANGE LOW RANGE off-road gear
(Y
page 254)
0005 Adaptive Highbeam Assist
(Ypage 130)
0003 ATTENTION ASSIST
(Ypage 234)
0001 Lane Keeping Assist
(Ypage 239)
0001 Active Lane Keeping Assist
(Ypage 245)
0001 HOLD function (Y page 211)
0003 Distance warning function
(Ypage 68)
0003 PRE-SAFE®
Brake (Y page 73) Menus and submenus
Menu overview
Press the 0002or0005 button on the
steering wheel to call up the menu bar and
selec tamenu.
Operating the on-board computer
(Y page 268).
Depending on the equipment installed in the
vehicle, you can call up the following menus:
R Trip menu (Y
page 270)
R Navi menu (navigatio
ninstructions)
(Y page 272)
R Audio menu (Y
page 273)
R Tel menu (telephone) (Y
page 274)
R DriveAssist menu (assistance)
(Y page 276)
R Service menu (Y
page 277)
R Settings menu (settings) (Y
page 278)
R ON&OFFROAD menu (Y
page 282)
R AMG menu in AMG vehicles (Y
page 282) Trip menu
Standard display X
Press and hold the 0007button on the
steering wheel until the Trip menu with
trip odometer 0002and odometer 0003is
shown. 270
Menus and submenusOn-board computer and displays

Assistance menu
Introduction In the
DriveAssist menu, you have the
following options:
R showing the distance display
(Y page 276)
R activating/deactivating th edistance
warning function (Y page 276)
R activating/deactivating the PRE-SAFE ®
Brake (Y page 276)
R activating/deactivating ATTENTION
ASSIS T(Ypage 277)
R activating/deactivating Blind Spot Assist
or Active Blind Spot Assist (Y page 277)
R activating/deactivating Lane Keeping
Assist or Active Lane Keeping Assist
(Y page 277)
Showing the distance display X
Press 0002or0005 on the steering wheel
to select the DriveAssist menu.
X Press the 0003or0004 button to select
Distance Display .
X Press the 000Bbutton.
The DISTRONIC PLUS distance display
appears in the multifunction display
(Y page 205).
If the Sensors Deactivated message
appears, the radar senso rsystem is
deactivated.
X Activate the rada rsensor system
(Y page 281). Switching the distance warning
function on and off X
Press the 0002or0005 button on the
steering wheel to select the DriveAssist menu.
X Press 0003or0004 to select Distance Warning .
X Press the 000Bbutton.
The curren tselection is displayed.
X To activate/deactivate: press the000B
button again.
When the distance warning function is
activated, the multifunction display shows
the 0003 symbol if the HOLD function is not
activated (Y page 211).
Vehicles with the Active Parking Assist
driving system: if PARKTRONIC is activated
and you are driving at aspeed below
22 mph (35 km/h), the 0011Active Parking
Assist symbol is shown instead of the 0003
symbol ( Ypage 221).
Further information on the distance warning
function (Y page 68).
Activating/deactivating PRE-SAFE ®
Brake PRE-SAFE
®
Brake is only available in vehicles
with DISTRONIC PLUS.
X Press 0002or0005 on the steering wheel
to select the DriveAssist menu.
X Press the 0003or0004 button to select
PRE-SAFE Brake .
X Press the 000Bbutton.
The curren tselection is displayed.
X To activate/deactivate: press the000B
button again.
When PRE-SAFE ®
Brake is activated, the
multifunction display shows the 0003symbol
as long as the HOLD function is not activated
(Y page 211).
Vehicles with Active Parking Assist: if
PARKTRONIC is activated and you are driving
at a speed under 22 mph (35 km/h), the 0011276
Menus and submenusOn-board computer and displays

Active Parking Assist symbol is shown instead
of the 0003symbol (Y page 221).
If the PRE-SAFE Brake: Sensors Deactivated message appears, the radar
sensor system is deactivated.
X Activate the rada rsensor system
(Y page 281).
For more information on PRE-SAFE ®
Brake,
see (Y page 73).
Activating/deactivating ATTENTION
ASSIST X
Press 0002or0005 on the steering wheel
to select the DriveAssist menu.
X Press the 0003or0004 button to select
Attention Asst. X
Press the 000Bbutton.
The curren tselection is displayed.
X To activate/deactivate: press the000B
button again.
When ATTENTION ASSIST is activated, the
0003 symbol appears in the multifunction
display when the ignition is on.
For further information about ATTENTION
ASSIST, see (Y page 234).
Activating/deactivating Blind Spot
Assist X
Press 0002or0005 on the steering wheel
to select the DriveAssist menu.
X Press the 0003or0004 button to select
Blind Spot Asst. .
X Press the 000Bbutton.
The curren tselection is displayed.
X To activate/deactivate: press the000B
button again.
If the Blind Spot Assist Sensors Deactivated or
Active Blind Spot Assist Sensors Deactivated message
appears, the radar sensor system is
deactivated. X
Activate the radar sensor system
(Y page 281).
For further information about Blind Spot
Assist, see (Y page 237).
For further information about Active Blind
Spot Assist, see (Y page 241).
Activating/deactivating Lane Keeping
Assist X
Press 0002or0005 on the steering wheel
to select the DriveAssist menu.
X Press the 0003or0004 button to select
Lane Keep. Asst. X
Press the 000Bbutton.
The curren tselection is displayed.
X Press 000Bto confirm.
X Press 0004or0003 to set Off ,
Standard or
Adaptive .
X Press the 000Bbutton to save the setting.
When Lane Keeping Assist or Active Lane
Keeping Assist is activated, the 0001symbol
appears in the multifunction display when the
ignition is on.
For further information about Lane Keeping
Assist, see (Y page 239).
For further information about Active Lane
Keeping Assist, see (Y page 245). Maintenance menu
In the
Serv menu, you have the following
options:
R call up display messages in message
memory (Y page 286)
R restart the tire pressure loss warning
system (Y page 408) Menus and submenus
277On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
Blind Spot Assist or Active Blind Spot Assist is temporarily
inoperative. Possible causes are:
R
the sensors are dirty.
R function is impaired due to heavy rain or snow.
R the rada rsensor system is outside the operating temperature
range.
R the 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 yellow 0003indicator 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:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 183).
X Clean the sensors (Y page 375).
X Restart the engine. Blind Spot Assist
Inoperative or
Active Blind Spot Assist Inoperative Blind Spot Assist or Active Blind Spot Assist is defective.
The yellow
0003indicator lamps also light up in the exterior
mirrors.
X Visit a qualified specialist workshop. Park Assist
Canceled The driver's door is open and the driver's seat belt has not been
fastened.
X
Repeat 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.
X
While steering intervention is active, make sure that the
multifunction steering wheel is not touched unintentionally. The vehicle has started to skid and ESP
®
has intervened.
X Use Active Parking Assist again later (Y page 221). Display messages
311On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
Park Assist
Inoperative You have just carried out a large number of turning or parking
maneuvers.
Active Parking Assis
twill become available again after
approximately ten minutes (Y page 221).
X Pull over and stop the vehicle safely as soon 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 a qualified specialist workshop. PARKTRONIC is defective.
X
Visit a qualified specialist workshop. Park Assist
Finished The vehicle is parked.
Awarning tone also sounds.
The display message disappears automatically. DISTRONIC PLUS Off DISTRONIC PLU
Shas been deactivated (Y page 198).
If it was deactivated automatically, a warning tone also sounds. DISTRONIC PLUS Now
Available DISTRONIC PLU
Sis operational againa fter having been
temporarily unavailable .You can now reactivate DISTRONIC PLUS
(Y page 198). DISTRONIC PLUS
Currently
Unavailable See
Operator's Manual DISTRONIC PLUS is temporarily inoperative. Possible causes are:
R
function is impaired due to heavy rain or snow.
R the sensors in the radiator grill and the bumper are dirty.
R the 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.
R the system is outside the operating temperature range.
R the on-board voltage is too low.
Aw arning tone also sounds.
When the causes stated above no longer apply, the display
message disappears.
DISTRONIC is operational again.
If the display 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 rolling away (Y page 183).
X Clean the sensors in the radiator grill and the bumper
(Y page 375).
X Restar tthe engine. 312
Display messagesOn-board computer and displays

Triggering the vehicle alarm
With this function, you can trigge
rthe
vehicle's panic alarm via SMS. An alarm
sounds and the exterior lighting flashes.
Depending on the setting, the panic alarm
lasts five or ten seconds. Afterwards, the
alarm switches off. Garage door opener
Important safety notes G
WARNING
When you operate or program the garage door
with the integrated garage door opener,
persons in the range of movement of the
garage door can become trapped or struck by
the garage door. There is arisk of injury.
When using the integrated garage door
opener, always make sure that nobody is
within the range of movement of the garage
door. G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbo nmonoxide. Inhaling
these exhaust gases leads to poisoning. There
is a risk of fatal injury. Therefore never leave
the engine running in enclosed spaces
without sufficient ventilation.
The HomeLink ®
garage door opener
integrated in the rear-view mirror allows you
to operate up to three different door and gate
systems.
Only operate garage doors using the
integrated garage door opener if:
R they are equipped with a safety stop and
reverse feature, and
R they conform to the current U.S. safety
standards.
When programming a garage door opener,
park vehicle outside the garage.
i Certain garage door drives are
incompatible with the integrated garage door opener. If you have difficulty
programming the integrated garage door
opener, contact an authorized Mercedes-
Benz Center.
Alternatively, you can call the following
telephone assistance services:
R
USA: Mercedes-Benz Customer
Assistance Center at
1-800-FOR-MERCedes
R Canada: Customer Service at
1-800-387-0100
R HomeLink ®
hotline 1-800-355-3515
(free of charge)
More information on HomeLink ®
and/or
compatible products is also available
online at http://www.homelink.com.
i Notes on the declaration of conformity
(Y page 27).
Programming Programming buttons
Observe the "Important safety notes"
(Y
page 360). Integrated garage door opener in the rear-view
mirror
Garage door remote control
001Eis not part of
the integrated garage door opener.
X The first time before programming, clear
the integrated garage door opener memory
(Y page 362).
X Turn the SmartKey to position 2in the
ignition lock. 360
FeaturesStowage and features