2016 MERCEDES-BENZ GL Owners Manual

The brackets for the screw-in towing eyes are
located in the bumpers. They are at the front
and at the rear, behind the covers. X
Remove the towing eye from the vehicle
tool kit ( Y
page 386).X
To open the cover at the front: press the
mark on cover C inwards in the direction
of the arrow. X
To open the cover at the rear: insert a
flat, blunt object into the cutout and lever
cover D out of the bumper.X
Take cover C or D off the opening.X
Screw in the towing eye clockwise as far as
it will go and tighten it.
Removing the towing eye X
Unscrew and remove the towing eye. X
Attach cover C or D to the bumper and
press until it engages. X
Place the towing eye in the vehicle tool kit.
Towing a vehicle with both axles on
the ground
It is important that you observe the safety
instructions when towing away your vehicle
( Y
page 397).
The automatic transmission automatically
shifts to position P when you open the driver's
or front-passenger door or when you remove
the SmartKey from the ignition lock.
In order to ensure that the automatic trans-
mission stays in position N when towing the
vehicle, you must observe the following
points: X
Make sure that the vehicle is stationary and
the SmartKey in the ignition lock is in posi-
tion 0 .X
Turn the SmartKey to position 2 in the igni-
tion lock.
On vehicles with KEYLESS-GO, use the
SmartKey instead of the Start/Stop button
( Y
page 165). X
Depress and hold the brake pedal. X
Shift the automatic transmission to posi-
tion N . X
Release the brake pedal. X
Release the electric parking brake. X
Leave the SmartKey in position 2 in the
ignition lock. X
Switch on the hazard warning lamps
( Y
page 133).
i In order to signal a change of direction
when towing the vehicle with the hazard
warning lamps switched on, use the com-
bination switch as usual. In this case, only
the indicator lamps for the direction of
travel flash. After resetting the combina-
tion switch, the hazard warning lamp starts
flashing again.
Transporting the vehicle
! You may only secure the vehicle by the
wheels, not by parts of the vehicle such as
axle or steering components. Otherwise,
the vehicle could be damaged.
The towing eye can be used to pull the vehicle
onto a trailer or transporter for transporting
purposes. X
Turn the SmartKey to position 2 in the igni-
tion lock. X
Shift the automatic transmission to posi-
tion N .
As soon as the vehicle has been loaded: X
Prevent the vehicle from rolling away by
applying the electric parking brake. X
Shift the automatic transmission to posi-
tion P . X
Turn the SmartKey to position 0 in the igni-
tion lock and remove it. X
Secure the vehicle.Towing and tow-starting 399
Breakdown assistance Z

Information on 4MATIC vehicles
! Vehicles wit h 4MATIC must not be towed
wit h either the front or the rear axle raised,
as doin g so will damage the transmission.
If the vehicle has transmission damage or
damage to the front or rear axle, have it trans-
ported on a transporter or trailer.
In the event of damage to the elect ri cal
system
If the battery is defective, the automat ic
transmission will be locked in position P . To
shift the automat ic transmission to position
N , you must pro vide power to the vehicle's
electrical system in the same way as when
jum p- starting ( Y
page 395).
Have the vehicle transported on a transporter
or trailer.
Tow-starting (emergency engine
starting)
! Vehicles wit h automat ic transmission
must not be tow-starte d. You could other-
wise damage the automat ic transmission.
i You can find information on "Jump-start-
ing" under ( Y
page 395).
Fuses
Important safety notes
G WARNIN G
If you manipulat e or bridge a fault y fus e or if
you replace it wit h a fus e wit h a higher amper-
age, th e electric cables could be overloaded.
This could result in a fire. Ther e is a ris k of an
acciden t and injury.
Always replace fault y fuses wit h th e specifie d
ne w fuses having th e correc t amperage .
! For the fuse boxes in the engine compart-
ment and under the rear bench seat, on ly
use fuses wit h the suffix "S". Otherwise,
components or systems could be dam-
aged. The fuses in your vehicle ser ve to close down
faulty circuits. If a fuse blows, all the compo-
nents on the circuit and their functions stop
operating.
Blo wn fuses must be replaced wit h fuses of
the same rating, which you can recogn iz e by
the color and value. The fuse ratings are list ed
in the fuse allocation chart.
If a newly inserted fuse also blows, have the
cause traced and rectified at a qualif ied spe-
cialist worksho p, e.g. an authorized
Mercedes-Benz Center.
Before changing a fuse Observe the important safety notes
( Y
page 400) X
Se cure the vehicle against rol lin g away
( Y
page 189). X
Swi tch off the engine. X
Swi tch off all electrical consumers. X
Remo ve the Sm artKey from the ign it ion
lock.
or, on vehicles wit h KEYLE SS ‑ GO:X
Open the driver's door.
The on-board electronics now have status
0 . This is the same as the Sm artKey having
been remove d.
All indicator lamps in the instrument cluster
must be off.
The fuses are located in various fuse boxes:R
Fuse box on the front-passenger side of the
dashboard R
Fuse box in the engine compartment on the
right-hand side of the vehicle, when view ed
in the direction of travel R
Fuse box under the rear bench seat
The fuse allocation chart is located in the fuse
box under the rear bench seat ( Y
page 401).
Dashboard fuse box
Pay attention to the important safety notes
( Y
page 400).400
Fuses
Breakdown assistance

! Do not use a pointed object such as a
screwdriver to open the cover in the dash-
board. You could damage the dashboard or
the cover.
! Make sure that no moisture can enter the
fuse box when the cover is open.
! When closing the cover, make sure that it
is lying correctly on the fuse box. Moisture
seeping in or dirt could otherwise impair
the operation of the fuses.
X
Open the front-passenger door. X
To open: pull cover C outwards in the
direction of the arrow and remove it. X
To close: clip in cover C on the front of the
dashboard. X
Fold cover C inwards until it engages.
Fuse box in the engine compartment
Pay attention to the important safety notes
( Y
page 400).
G WARNING
When the hood is open and the windshield
wipers are set in motion, you can be injured by
the wiper linkage. There is a risk of injury.
Always switch off the windshield wipers and
the ignition before opening the hood.
! Make sure that no moisture can enter the
fuse box when the cover is open.
! When closing the cover, make sure that it
is lying correctly on the fuse box. Moisture seeping in or dirt could otherwise impair
the operation of the fuses. X
Open the hood. X
Use a dry cloth to remove any moisture
from the fuse box. X
To open: open clamps D .X
Fold up cover C in the direction of the
arrow and remove it. X
To close: check whether the seal is seated
correctly in cover C . X
Insert cover C at the side of the fuse box
into the retainers. X
Fold down cover C and close clamps D .X
Close the hood.
Fuse box under the rear bench seat
Pay attention to the important safety notes
( Y
page 400).
! Make sure that no moisture can enter the
fuse box when the cover is open.
! When closing the cover, make sure that it
is lying correctly on the fuse box. Moisture
seeping in or dirt could otherwise impair
the operation of the fuses or the cover
could be damaged by the rear bench seat. Fuses 401
Breakdown assistance Z

X
Fold the left-hand rear bench seat forward
( Y
page 344). X
To open: reach into recesses D on each
side of fuse box cover C .X
Fold cover C up in the direction of the
arrow and remove it from the fuse box.
i The fuse allocation chart is located in a
recess at the side of the fuse box. X
To close: place cover C on the fuse box.X
Press cover C down until you feel the
clamps engage. X
Fold back the left-hand rear bench seat
( Y
page 344).402
Fuses
Breakdown assistance

Useful information ............................ 404
Important safety notes ..................... 404
Operation ........................................... 404
Winter operation ............................... 406
Tire pressure ..................................... 408
Loading the vehicle .......................... 416
All about wheels and tires ............... 419
Changing a wheel .............................. 427
Wheel and tire combinations ........... 432
Emergency spare wheel ................... 438 403
Wheels and tires

Useful information
i This Operator's Manual describes all
models and all standard and optional equip-
ment of your vehicle available at the time of
publication of the Operator's Manual.
Country-specific differences are possible.
Please note that your vehicle may not be
equipped with all features described. This
also applies to safety-related systems and
functions.
i Read the information on qualified special-
ist workshops ( Y
page 29).
Important safety notes
G WARNING
If wheels and tires of the wrong size are used,
the wheel brakes or suspension components
may be damaged. There is a risk of an acci-
dent.
Always replace wheels and tires with those
that fulfill the specifications of the original
part.
When replacing wheels, make sure to use the
correct: R
designation R
model
When replacing tires, make sure to use the
correct: R
designation R
manufacturer R
model
G WARNING
A flat tire severely impairs the driving, steer-
ing and braking characteristics of the vehicle.
There is a risk of accident.
Tires without run-flat characteristics: R
do not drive with a flat tire. R
immediately replace the flat tire with your
emergency spare wheel or spare wheel, or
consult a qualified specialist workshop. Tires with run-flat characteristics: R
pay attention to the information and warn-
ing notices on MOExtended tires (tires with
run-flat characteristics).
Accessories that are not approved for your
vehicle by Mercedes-Benz or that are not
being used correctly can impair operating
safety.
Before purchasing and using non-approved
accessories, visit a qualified specialist work-
shop and inquire about: R
suitability R
legal stipulations R
factory recommendations
Information on the sizes and types of wheels
and tires for your vehicle can be found under
"Wheel/tire combinations" ( Y
page 432).
Tire pressure information can be found: R
on the vehicle's Tire and Loading Informa-
tion placard on the B-pillar R
on the tire pressure label on the fuel filler
flap R
in the "Tire pressure" section
Operation
Information on driving
Check the tire pressure when the vehicle is
heavily laden and adjust prior to a trip.
While driving, pay attention to vibrations,
noises and unusual handling characteristics,
e.g. pulling to one side. This may indicate that
the wheels or tires are damaged. If you sus-
pect that a tire is defective, reduce your
speed immediately. Stop the vehicle as soon
as possible to check the wheels and tires for
damage. Hidden tire damage could also be
causing the unusual handling characteristics.
If you find no signs of damage, have the tires
and wheels checked at a qualified specialist
workshop.
When parking your vehicle, make sure that
the tires do not get deformed by the curb or404
Operation
Wheels and tires

other obstacles. If it is necessary to drive over
curbs, speed humps or similar elevations, try
to do so slowly and at an obtuse angle. Oth-
erwise, the tires, particularly the sidewalls,
may be damaged.
Regular checking of wheels and tires
G WARNING
Damaged tires can cause tire inflation pres-
sure loss. As a result, you could lose control of
your vehicle. There is a risk of accident.
Check the tires regularly for signs of damage
and replace any damaged tires immediately.
Regularly check the wheels and tires of your
vehicle for damage at least once a month, as
well as after driving off-road or on rough
roads. Damaged wheels can cause a loss of
tire pressure. Pay particular attention to dam-
age such as: R
cuts in the tires R
punctures R
tears in the tires R
bulges on tires R
deformation or severe corrosion on wheels
Regularly check the tire tread depth and the
condition of the tread across the whole width
of the tire ( Y
page 405). If necessary, turn the
front wheels to full lock in order to inspect the
inner side of the tire surface.
All wheels must have a valve cap to protect
the valve against dirt and moisture. Do not
mount anything onto the valve other than the
standard valve cap or other valve caps
approved by Mercedes-Benz for your vehicle.
Do not use any other valve caps or systems,
e.g. tire pressure monitoring systems.
Regularly check the pressure of all the tires
particularly prior to long trips. Adjust the tire
pressure as necessary ( Y
page 408).
Observe the notes on the emergency spare
wheel ( Y
page 438). The service life of tires depends, among other
things, on the following factors: R
Driving style R
Tire pressure R
Distance covered
Notes on tire tread
G WARNING
Insufficient tire tread will reduce tire traction.
The tire is no longer able to dissipate water.
This means that on wet road surfaces, the risk
of hydroplaning increases, in particular where
speed is not adapted to suit the driving con-
ditions. There is a risk of accident.
If the tire pressure is too high or too low, tires
may exhibit different levels of wear at differ-
ent locations on the tire tread. Thus, you
should regularly check the tread depth and
the condition of the tread across the entire
width of all tires.
Minimum tire tread depth for: R
Summer tires:

approximately