2011 MERCEDES-BENZ G550 flat tire

Exterior viewOverview .......................................... 24
F
First-aid kit ......................................... 229
Flat tire Changing a wheel/mounting the
spare wheel ................................... 232
Preparing the vehicle .....................232
Raising the vehicle .........................233
Floormat ............................................. 211
Front fog lamp (display message) ... 173
Fuel Additives ........................................ 278
Notes ............................................. 277
Premium-grade unleaded gasoline . 278
Refueling ........................................ 131
Specifications ................................ 278
Troubleshooting ............................. 134
Fuel/water separator ....................... 220
Fuel consumption Notes ............................................. 136
Fuel filler cap (display message) ..... 178
Fuel filler flap Emergency release ........................133
Opening/closing ............................ 132
Fuel filter
Display message ............................ 178
Fuel level
Calling up the range (on-board
computer) ...................................... 167
Fuse allocation chart ........................ 243
Fuse box Battery case ................................... 244
Dashboard ..................................... 243
Front-passenger footwell ...............243
Transmission tunnel ....................... 244
Fuse extractor ................................... 243
Fuses Dashboard fuse box .......................243
Fuse allocation chart .....................243
Fuse box in the front-passenger
footwell .......................................... 243
Fuse box in the transmission
tunnel ............................................ 244
In the battery case .........................244
Notes ............................................. 242
G
Garage door opener Clearing the memory .....................211
Notes ............................................. 208
Opening/closing the garage door ..210
Programming the remote control ...209
Gear or selector lever (cleaning
guidelines) ......................................... 225
Genuine Mercedes-Benz parts ......... 274
Genuine wood trim and trim strips
(cleaning instructions) ...................... 225
Glove box ........................................... 193
Gradient-climbing capability
(maximum) ......................................... 146
GTW (Gross Trailer Weight)
(definition) ......................................... 267
H
Hazard warning lamps ........................ 93
Headlamp cleaning system ................ 93
Adding washer fluid .......................218
Notes ............................................. 281
Headlamp delayed switch-off
see Exterior lighting delayed switch-off
Headlamp protection grille .............. 100
Headlamps Cleaning ......................................... 224
Misting up ........................................ 94
Headlamps (automatic) ...................... 91
Head restraints Adjusting (angle) .............................. 79
Adjusting (rear) ................................ 80
Installing/removing (rear) ................80
Luxury .............................................. 80
Resetting (front) ............................... 80
see NECK-PRO head restraints
Heating
see Climate control ........................ 106
High beam flasher ............................... 93
high-mounted brake lamp Display message ............................ 173
Hill start assist .................................. 118
Hood Closing ........................................... 215
Display message ............................ 181
Opening ......................................... 214
8Index

SRS ................................................ 187
Tire pressure monitor ....................189
Warranty ............................................ 274
Washer fluid Display message ............................ 181
Wheel bolt tightening torque ........... 234
Wheel change see Flat tire .................................... 232
Wheels
Changing/replacing .......................269
Changing a wheel .......................... 232
Checking ........................................ 246
Cleaning ......................................... 222
Mounting a wheel .......................... 234
Removing a wheel ..........................234
Storing ........................................... 270
Technical data ............................... 272
Tightening torque ........................... 234
Wheels and tires
Important safety notes ..................246
Window curtain air bag
Operation ......................................... 39
Windows
see Side windows
Windows (cleaning instructions) ..... 223
Windshield heater ............................. 110
Windshield heating see Windshield defroster
Windshield washer system .............. 218
Notes ............................................. 281
Windshield wipers
Important safety notes ..................101
Replacing the wiper blades ............103
Switching on/off ........................... 102
Troubleshooting ............................. 104
Winter
Driving in winter ............................. 141
Winter operation ............................ 248
Winter operation ............................... 141
Winter tires M+S tires ....................................... 248
Wiper blades
Cleaning ......................................... 22316Index

XConnect a trickle charger.
iYou can obtain information about trickle
chargers from a qualified specialist
workshop, e.g. an authorized Mercedes-
Benz Center.
If you leave the vehicle parked up for longer
than six weeks, the vehicle may suffer
damage as a result of lack of use.
XVisit a qualified specialist workshop and
seek advice.
Driving tips
General driving tips
Important safety notes
GWarning!
Please do not forget that your primary
responsibility is to drive the vehicle. A driver’s
attention to the road must always be his/her
primary focus when driving. For your safety
and the safety of others, we recommend that
you pull over to a safe location and stop
before placing or taking a telephone call.
If you choose to use the telephone 11
while
driving, please use the hands-free device and
only use the telephone when road, weather
and traffic conditions permit. Some
jurisdictions prohibit the driver from using a
mobile telephone while driving a vehicle.
Only operate the COMAND 11
(Cockpit
Management and Data System) if road,
weather and traffic conditions permit.
Otherwise, you may not be able to observe
traffic conditions and could endanger yourself
and others.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet (approximately
14 m) every second.
Drive sensibly – save fuel
Observe the following tips to save fuel:
XThe tires should always be inflated to the
recommended tire pressure.XRemove unnecessary loads.XRemove roof carriers when they are not
needed.XWarm up the engine at low engine speeds.XAvoid frequent acceleration or braking.XHave all maintenance work performed at
the service intervals specified in the
Service Booklet or indicated by the service
interval indicator.
Fuel consumption also increases when
driving in cold weather, in stop-and-go traffic
and in mountainous terrain.
Drinking and driving
GWarning
Drinking and driving and/or taking drugs and
driving are very dangerous combinations.
Even a small amount of alcohol or drugs can
affect your reflexes, perceptions and
judgment.
The possibility of a serious or even fatal
accident are greatly increased when you drink
or take drugs and drive.
Do not drink or take drugs and drive or allow
anyone to drive who has been drinking or
taking drugs.
Pedals
GWarning
Make sure absolutely no objects are
obstructing the pedals' range of movement.
Keep the driver's footwell clear of all
obstacles. If there are any floormats or
carpets in the footwell, make sure that the
pedals still have sufficient clearance.
During sudden driving or braking maneuvers,
the objects could get caught between the
11 Observe all legal requirements.136Driving tipsDriving and parking

Driving on wet roads
Hydroplaning
If water has accumulated to a certain depth
on the road surface, there is a danger of
hydroplaning occurring, even if:
R you drive at low speeds.
R the tires have adequate tread depth.
For this reason, in the event of heavy rain or
in conditions in which hydroplaning can occur
you must drive in the following manner:
R reduce your speed
R avoid ruts
R brake carefully
Driving on flooded roads
! Do not drive through flooded areas.
Check the depth of any water before driving
through it. Drive slowly through standing
water. Otherwise, water may enter the
vehicle interior or the engine compartment.
This can damage the electronic
components in the engine or AUTOTRONIC.
Water can also be drawn in by the engine's
air suction nozzles and this can cause
engine damage.
If you have to drive on stretches of road on
which water has collected, please bear in
mind that:
R the maximum permissible still water depth
is 50 cm.
R you should drive no faster than at walking
pace.
Off-road fording:Fording depth, 20 in (50 cm)
The fording depth must not exceed 20 in
(50 cm) when the vehicle is loaded and ready
to drive.
! The water depth must not exceed 20 in
(50 cm). Note that the possible fording
depth is less in flowing water.
i You may only drive through freshwater.
R Observe the safety notes (Y page 142) and
the general notes (Y page 142) on off-road
driving.
R Establish how deep the water is and the
characteristics of the body of water before
fording.
R Switch off the auxiliary heating and the air-
conditioning system.
R Shift the transfer case to
LOW (Y page 126).
R Engage the differential locks, if necessary
( Y page 129).
R Restrict the shift range to 1 or 2
( Y page 123).
R Avoid high engine speeds.
R Enter and exit the water at a flat place and
at a steady walking pace.
! Under no circumstances should you
accelerate before entering the water. The
bow wave could cause water to enter and
damage the engine and other assemblies.
140Driving tipsDriving and parking

Off-road driving
Important safety notesGWarning!
Sand, dirt, mud and other material having
friction property can cause exceptional wear
and tear as well as brake failure.
Have the brakes checked for dirt build-up and
cleaned. There is otherwise a risk that full
braking power may not be available in an
emergency.
GWarning!
Do not load items on the basic carrier bars. It
may cause instability during some maneuvers
which could result in an accident.
Drive slowly in unknown terrain. This will
make it easier to recognize unexpected
obstacles and avoid damage to the vehicle.
To help avoid the vehicle rolling over, never
turn it around on steep inclines. If the vehicle
cannot complete the attempted climb, back it
down in reverse gear.
Do not drive along the side of a slope. The
vehicle might otherwise rollover. If in doing so
the vehicle begins to show a tendency to roll,
immediately steer into a line of gravity
(straight up or downhill).
Never let the vehicle roll backwards in idle.
You may lose control of the vehicle if you use
only the service brake. For information on
driving downhill, see "Driving downhill".
GWarning!
Do not reduce the tire inflation pressure
before driving through sand. However, if you
do so, remember to correct the tire inflation
pressure before continuing your trip. Driving
with reduced tire inflation pressure increases
the risk of losing control of the vehicle and
rolling over.
General notes
Read this section carefully before driving your
vehicle off-road. Practice by driving over more
gentle off-road terrain first.
Familiarize yourself with the characteristics
of your vehicle and the gear shift operation
before driving through difficult terrain.
The following driving systems are specially
adapted to off-road driving:
R 4ETS ( Y page 58)
R transfer case ( Y page 126)
R differential locks ( Y page 129)
Observe the following notes:
R stop your vehicle and, if necessary, shift the
transfer case to LOW (Y page 126) before
driving off-road.
R engage the differential locks, if necessary
( Y page 129).
i ABS, 4ETS, ESP ®
and BAS are deactivated
while the differential locks are engaged.
This allows the front wheels to lock briefly,
so that these can dig into a loose surface.
However, please note that locked wheels
skid and can no longer steer.
R Check that items of luggage and loads are
stowed safely and are well secured
( Y page 196).
R Make sure there is always sufficient ground
clearance to prevent damage to the
vehicle.
R Always keep the engine running and in gear
when driving on a downhill gradient.
R Always keep the engine running and in gear
when driving on a slope.
R Drive slowly and evenly, if necessary at a
walking pace.
R Ensure that the wheels are in contact with
the ground at all times.
R Drive with extreme care on unknown off-
road routes where visibility is poor. For
safety reasons, get out of the vehicle first
and survey the off-road route.
142Driving tipsDriving and parking

XClean the headlamps and rear lights and
check for damage.XClean the front and rear license plates.XClean the wheels and tires with a water jet
and remove any foreign objects.XClean the wheels, tires, wheel arches and
the vehicle underside with a water jet;
check for any foreign objects and damage.XCheck whether twigs or other parts of
plants have become trapped. These
increase the risk of fire and can damage
fuel pipes, brake hoses or the rubber
bellows of the axle joints and propeller
shafts.XAfter the trip, examine without fail the
entire undercarriage, wheels, tires, brakes,
bodywork structure, steering, chassis and
exhaust system for damage.XAfter driving for extended periods across
sand, mud, gravel, water or in similarly dirty
conditions, have the brake discs, wheels,
brake pads/linings and axle joints checked
and cleaned.XIf you detect strong vibrations after off-road
driving, check for foreign objects in the
wheels and drivetrain and remove any that
you find. Foreign objects can disturb the
balance and cause vibrations.XTest the brakes.
Driving on sand
GWarning!
Do not reduce the tire inflation pressure
before driving through sand. However, if you
do so, remember to correct the tire inflation
pressure before continuing your trip. Driving
with reduced tire inflation pressure increases
the risk of losing control of the vehicle and
rolling over.
Observe the following rules when driving on
sand:
R shift the transfer case to
LOW (Y page 126).
R avoid high engine speeds.
R limit the shift range of the automatic
transmission according to the off-road
conditions.
R drive quickly to overcome the rolling
resistance. Otherwise, the vehicle could dig
itself into the sand.
R drive in the tracks of other vehicles if
possible. Make sure that the ruts are not
too deep, that the sand is firm enough and
that your vehicle has sufficient ground
clearance.
Tire ruts and gravel roads
Observe the following rules when driving
along ruts in off-road terrain or on roads with
loose gravel:
! Check that the ruts are not too deep and
that your vehicle has sufficient clearance.
Otherwise, your vehicle could be damaged
or bottom out and get stuck.
R shift the transfer case to
LOW (Y page 126).
R avoid high engine speeds.
R observe the safety notes (Y page 142) and
the general notes (Y page 142) on off-road
driving.
R restrict the shift range of the automatic
transmission to 1 (Y page 123).
R drive slowly.
R where ruts are too deep, drive with the
wheels of one side on the center grassy
area, if possible.
144Driving tipsDriving and parking

TiresGWarning
Do not drive with a flat tire. A flat tire affects the ability to steer or brake the vehicle. You may
lose control of the vehicle. Continued driving with a flat tire will cause excessive heat build-up
and possibly a fire.
GWarning
Follow recommended tire inflation pressures.
Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect
handling and fuel economy, and are more likely to fail from being overheated.
Do not overinflate tires. Overinflated tires can adversely affect handling and ride comfort, wear
unevenly, increase stopping distance, and result in sudden deflation (blowout) because they are
more likely to become punctured or damaged by road debris, potholes etc.
Display messagesPossible causes/consequences and M SolutionsTire pressure
displayed only
after driving for
a few minutesThe tire pressure monitor is measuring the tire pressure.XDrive on.
The tire pressures appear in the multifunction display after you
have been driving for a few minutes.Tire Pres.
Check TiresGRisk of accident
The tire pressure monitor has detected a significant pressure loss.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.XCheck the tires.XCheck the tire pressure and correct it if necessary
( Y page 246).XRepair or change the faulty wheel as necessary ( Y page 232).XThen, restart the tire pressure monitor when the tire pressure
is correct ( Y page 253).Tire Pres. Monitor
InoperativeThe tire pressure monitor is deactivated due to a malfunction.XVisit a qualified specialist workshop.Tire Pres. Monitor
Inoperative No
Wheel SensorsThe 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.Display messages179On-board computer and displaysZ

TiresProblemPossible causes/consequences and M Solutionsh
USA only:
The yellow tire pressure
monitor warning lamp
(pressure loss/
malfunction) is lit.
Canada only:
The yellow tire pressure
monitor warning lamp
(pressure loss) is lit.GRisk of accident
The tire pressure monitor has detected a loss of pressure in at
least one of the tires.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.XObserve the additional display messages in the multifunction
display.XCheck the tire pressure. If necessary, correct the tire pressure
( Y page 253).XIf necessary, change a wheel ( Y page 269).h
USA only:
The yellow tire pressure
monitor warning lamp
(pressure loss/
malfunction) flashes for
60 seconds and then
remains lit.The tire pressure monitor is defective.XObserve the additional display messages in the multifunction
display.XVisit a qualified specialist workshop.GWarning
Each tire, including the spare tire (if there is one), should be inspected at least every two weeks
when they are cold and pumped to the pressure recommended by the vehicle manufacturer (see
the tire and load data label on the B-pillar on the driver's side or the tire pressure table on the
inside of the fuel filler flap of your vehicle, if there is one). If your vehicle has tires which are a
different size to those on the tire and load data label or those specified in the tire pressure table,
if there is one, you should determine the correct tire pressure for these tires.
As an added safety feature, your vehicle has been equipped with a tire pressure monitor (TPMS).
An indicator lamp lights up if one or more of your tires are significantly underinflated. Accordingly,
when the low tire pressure indicator lamp lights up, you should stop and check your tires as soon
as possible, and inflate them to the proper pressure. Driving on a significantly underinflated tire
causes the tire to overheat and can lead to tire failure.
An excessively low tire pressure also increases fuel consumption, reduces the service life of the
tires and may impair the driving and braking characteristics of the vehicle. Please note that the
TPMS is not a substitute for proper tire maintenance and it is the driver's responsibility to maintain
correct tire pressure, even if underinflation has not reached the level at which the low tire
pressure indicator lamp of the TPMS lights up.
USA only:
Your vehicle has also been equipped with a TPMS malfunction indicator to indicate when the
system is not operating properly. The TPMS malfunction indicator is combined with the low tire
pressure indicator lamp. When the system detects a malfunction, the indicator lamp will flash
Warning and indicator lamps in the instrument cluster189On-board computer and displaysZ