2009 MERCEDES-BENZ GL SUV engine

headlamp length window trailer load capacity air filter

Page 291 of 309

MERCEDES-BENZ GL SUV 2009 Owners Manual Notes on fuel consumption
The vehicle will use more fuel than usual in
the following situations:
R at very low temperatures
R in urban traffic
R on short trips
R when towing a trailer
R in mountainous

Notes on fuel consumption
The vehicle will use more fuel than usual in
the following situations:
R at very low temperatures
R in urban traffic
R on short trips
R when towing a trailer
R in mountainous terrain
i Only for certain countries: the respective
current consumption and emission values
of your vehicle can be found in the COC
papers (EC CERTIFICATE OF CONFORM-
ITY). These documents are supplied when
the vehicle is delivered.
The consumption figures for vehicles falling
under the EURO4 standard have been
determined in accordance with EU Direc-
tive 80 /1268 /EEC while figures for vehi-
cles falling under the EURO5 standard have
been determined in accordance with Reg-
ulation (EC) No. 715 / 2007, in each case
based on the currently applicable version.
The values do not refer to a specific vehicle.
Deviations from these values may occur
under normal operating conditions.
! Do not use any special additives, as they
can cause malfunctions and engine dam-
age. Damage resulting from the use of such
additives is not covered by the Mercedes-
Benz implied warranty. H
Environmental note
CO 2(carbon dioxide) is the gas which scien-
tists believe to be principally responsible for
global warming (the greenhouse effect). Your
vehicle's CO 2emissions are directly related to
fuel consumption and therefore depend on:
R efficient use of the fuel by the engine
R driving style
R other non-technical factors, such as envi-
ronmental influences or road conditions You can minimise your vehicle's CO
2emis-
sions by driving carefully and having it serv-
iced regularly. AdBlue
®
i For BlueTEC vehicles only.
AdBlue ®
is a non-flammable, non-toxic, col-
ourless and odourless water-soluble fluid.
! Only use AdBlue ®
compliant with
ISO 22241. The use of special additives is
not permitted.
! Surfaces, such as carpets or paintwork,
which come into contact with AdBlue ®
while refilling should be rinsed immediately
with plenty of water. Immediately after
spilling, remove AdBlue ®
using a damp
cloth and cold water. If AdBlue ®
has
already crystallised, use a sponge and hot
water to clean it off. AdBlue ®
residues crys-
tallise after a certain period of time and soil
the affected surfaces.
High outside temperatures If AdBlue
®
is heated to above 50 † for an
extended period of time, e.g. due to direct
sunlight on the AdBlue ®
tank, AdBlue ®
may
start to decompose. Ammonia vapours may
develop as a result. G
Risk of injury
Ammonia vapours may escape if the
AdBlue ®
tank cap is opened at high tempera-
tures. Ammonia vapours have a pungent
odour and are particularly irritating to the
skin, to mucous membranes and to the eyes.
You may experience a burning sensation in
your eyes, nose and throat, as well as cough-
ing and watering of the eyes.
Do not inhale ammonia vapours. 288
Service products and capacitiesTechnical data
X164_AKB; 2; 3, en-GB
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Page 292 of 309

MERCEDES-BENZ GL SUV 2009 Owners Manual Low outside temperatures
AdBlue
®
freezes at a temperature of approx-
imately –11 †. The vehicle is equipped with
an AdBlue ®
preheating system at the factory.
Winter operation is therefore also

Low outside temperatures
AdBlue
®
freezes at a temperature of approx-
imately –11 †. The vehicle is equipped with
an AdBlue ®
preheating system at the factory.
Winter operation is therefore also guaranteed
at temperatures below –11 †.
Special additives !
Only use AdBlue ®
compliant with
ISO 22241. Do not add any special addi-
tives to AdBlue ®
and do not dilute it with
water. Doing so may destroy the BlueTEC
exhaust gas aftertreatment system.
Damage resulting from the use of such
additives or from water is not covered by
the Mercedes-Benz implied warranty.
Purity The purity of AdBlue
®
is particularly important
for avoiding malfunctions in the exhaust gas
aftertreatment system.
If AdBlue ®
is pumped out of the AdBlue ®
tank,
e.g. during repair work, it must not be
returned to the tank as the purity of the fluid
can no longer be guaranteed.
! Impurities in AdBlue ®
(e.g. due to other
service products, cleaning agents or dust) lead to increased emission values, system
malfunctions, catalytic converter damage
or damage to the BlueTEC system. Vehicle model Total capacity of
the AdBlue ®
tank GL 350 BlueTEC 31.7 l
Engine oil
Only Mercedes-Benz approved engine oils
may be used in Mercedes-Benz engines.
A list of the engine oils tested and approved
in accordance with the Mercedes-Benz Spec-
ifications for Service Products can be called
up by visiting http://bevo.daimler.com and
entering the MB Sheet number. Further infor-
mation on tested and approved engine oils
can be obtained from any Mercedes-Benz
Service Centre. Engine oils which have been
approved by Mercedes-Benz have the MB
Sheet number indicated on the oil container
under the "MB approval" notice. The table
shows which MB Sheet number applies to
which engine: GL 450 4MATIC
GL 500 4MATIC
MB Sheet number
229.3, 229.5 mmService products and capacities
289Technical data
X164_AKB; 2; 3, en-GB
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Page 293 of 309

MERCEDES-BENZ GL SUV 2009 Owners Manual GL 350 CDI 4MATIC Blue-
EFFICIENCY
GL 450 CDI 4MATIC GL 350 BlueTEC
MB Sheet number
Vehicles without a diesel
particle filter
37 228.3, 228.5, 228.51, 229.3,
229.31, 229.5, 229.51 —
MB Sheet number

Page 294 of 309

MERCEDES-BENZ GL SUV 2009 Owners Manual Coolant
The coolant is a mixture of water and anti-
freeze/corrosion inhibitor. It performs the
following tasks:
R anti-corrosion protection
R antifreeze protection
R raising the boiling point
i When

Coolant
The coolant is a mixture of water and anti-
freeze/corrosion inhibitor. It performs the
following tasks:
R anti-corrosion protection
R antifreeze protection
R raising the boiling point
i When the vehicle is first delivered, it is
topped up with a coolant that will ensure
adequate antifreeze and corrosion protec-
tion.
! Only top up with coolant that has been
premixed with the desired antifreeze pro-
tection. You could otherwise damage the
engine.
Further information on coolants and on fill-
ing can be found in the Mercedes-Benz
Specifications for Service Products, Sheet
310.1, or at any Mercedes-Benz Service
Centre.
! Always use a suitable coolant mixture,
even in countries where high temperatures
prevail.
Otherwise, the cooling system will not be
sufficiently protected from corrosion, and
the boiling point will be too low.
If antifreeze/corrosion inhibitor is present in
the correct concentration, the boiling point of
the coolant will be around 130 †.
The antifreeze/corrosion inhibitor concentra-
tion in the cooling system should:
R be at least 50%. This will protect the cooling
system against freezing down to around
-37 †.
R not exceed 55% (antifreeze protection
down to -45 †); otherwise, heat will not be
effectively dissipated
If the vehicle has lost coolant, top it up with
equal amounts of water and antifreeze/cor-
rosion inhibitor. Mercedes-Benz recom-
mends an antifreeze/corrosion inhibitor
which has been approved for Mercedes-Benz. !
The cooling system contains a supply
which must be renewed after 15 years, or
after 250, 000 km at the latest.
The warranty is only valid if you top up with
an antifreeze/corrosion inhibitor which
has been approved by Mercedes-Benz and
if the recommended mixture ratio is
observed. Brake fluid
Over a period of time, the brake fluid absorbs
moisture from the air; this lowers its boiling
point. G
Risk of accident
If the boiling point of the brake fluid is too low,
vapour pockets may form in the brake system
when the brakes are applied hard (e.g. when
driving downhill). This would impair braking
efficiency.
Have the brake fluid renewed every two years
with a brake fluid that has been approved by
Mercedes-Benz and have this confirmed in
the Service Booklet.
i There is usually a notice in the engine
compartment to remind you when the next
brake fluid change is due. Windscreen washer system
The headlamp cleaning system* and wind-
screen washer system are both supplied from
the washer fluid reservoir.
Further information on windscreen washer
fluid and its mixing ratio ( Ypage 178). Service products and capacities
291Technical data
* optional
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Page 300 of 309

MERCEDES-BENZ GL SUV 2009 Owners Manual AMG equipment*
All models
21" BA
All-weather tyres
47, 49 295/40 R21 111V XL
Light-alloy wheels
10J x 21 H2 ET37
Spare wheel*
Your vehicle may be equipped with TIREFIT, a "Minispare" emerg

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