Engine oil
........................................... 246
Consumption ................................. 148
Display message ............................. 195
Filler neck. ...................................... 148
Topping up. ..................................... 148
ESP ®
(Electronic Stability Program)... 52
Activating/deactivating ....................53
Display message (luxury multi-
function steering wheel) .........179, 183
Display message (multi-function
steering wheel). ......................178, 179
Trailer stabilisatio n........................... 53
Warning lamp. .......................... 52, 201
ETS (Electronic Traction Support)...... .53
Exterior lighting Delayed switch-off (luxury multi-
function steering wheel). ................103
Exterior mirrors
Adjusting .......................................... 67
Anti-dazzle mode (automatic). ..........68
Folding in/out (automatically). .........68
Folding in/out (electrically). .............68
Folding in (on-board computer,
luxury multi-function steering
wheel). ............................................ 104
Malfunction..................................... 211
Parking position. ............................... 69
Resetting. ......................................... 68
Storing settings ................................ 69
Exterior view
Overview. .......................................... 22F
Fire extinguisher................................ 174
First-aid kit ......................................... 174
Flat tyre Equipment. ..................................... 222
Preparing the vehicle. .....................222
TIREFIT kit....................................... 222
Floormat............................................. .141
Foglamps Display message ............................. 193
Fording........................................ 157, 161
Frequencies Telephone. ...................................... 244
Front airbag .......................................... 38
Front-passenger airbag ........................ 38Fuel......................................................
245
Diesel. ............................................ 145
Loss. ............................................... 206
Petrol .............................................. 145
Fuel consumption................................. 95
Current (on-board computer,
multi-function steering wheel)
................................................... 93, 96
Notes..................................... .242, 246
Vehicle data. ................................... 249
see Trip computer(on-board computer)
Fuel filler flap
Emergency release. ........................215
Opening/closing ............................ 144
Fuel filter
Display message (luxury multi-
function steering wheel) .................187
Display message (multi-function
steering wheel). .............................. 180
Fuel level
Calling up the range (on-board
computer, luxury multi-function
steering wheel). ................................ 96
Calling up the range (on-board
computer, multi-function steering
wheel). .............................................. 93
Display. ....................................... 24, 26
Fuel line
Malfunction..................................... 206
Fuel tank
Defect ............................................. 206
Fuse allocation chart......................... 239
Fuse box Dashboard. ..................................... 239
Engine compartment ......................239
Luggage compartment. ...................240
Fuses................................................... 238 G
Genuine Mercedes-Benz parts.......... 242
Glove compartment ...........................130
Gradient-climbing capability (max-
imum).................................................. 1608 Index
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Display messages
Possible causes/consequences and
X
X Solutions b a
with 4
buttons:
Malfunc-
tion
a with
12 buttons:
Malfunc-
tion See
Owner's
Manual The exterior lighting is faulty.
X
Visit a qualified specialist workshop. ¸ a
with 4
buttons:
Replace
air
cleaner
a with
12 buttons:
Replace
air
cleaner The engine air filter must be replaced
30
.
X Visit a qualified specialist workshop. 4 a
with 4
buttons:
Check eng.
oil level
a with
12 buttons:
Check eng.
oil lev.
when next
refuelling The engine oil level has dropped to a critical level. A warning
tone also sounds.
X
Check the engine oil level ( Ypage 148).
X If necessary, top up the engine oil.
X Have the engine checked for leaks if the engine oil needs
topping up more often than usual. + a
with 4
buttons:
You need a
new key
a with
12 buttons:
Replace
key The key must be replaced.
X
Visit a qualified specialist workshop. + Key does
not belong
to vehicle You have put the wrong key in the ignition lock.
X
Use the correct key. 30
Only for certain vehicles. Display
messages
195Practical advice
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injection system. Damage resulting from
adding the wrong fuel is not covered by the
warranty.
Further information on refuelling and on fuels
(Y page 144).
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
The consumption figures have been deter-
mined in accordance with EU Directive
RL 80 /1268 /EEC.
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.
! 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 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. 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.co m and
en tering 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: GLK 280 4MATIC
GLK 350 4MATIC GLK 320 CDI
4MATIC GLK 320 CDI
4MATIC 33 MB Sheet number
229.3/229.5 229.31/229.51 229.3/229.31
229.5/229.51
i
In the event that the:
33 Vehicles without diesel particle filter. 246 Service products and capacitiesTechnical data
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R
engine oil brand
R grade (MB Sheet number)
R SAE classification (viscosity)
is not available, you can use another min-
eral or synthetic engine oil which has been
approved by Mercedes-Benz. You must
then have an oil change carried out at the
earliest possible opportunity.
Mixing oils reduces the benefits of high-
grade engine oil.
! Do not use lubricant additives as they can
lead to increased wear and damage to
mechanical assemblies. The use of lubri-
cant additives will result in a restriction of
your warranty.
! Engine oils for vehicles without a diesel
particle filter may also be used temporarily
in vehicles with a diesel particle filter if the
engine oil listed is not available. You must
then have an oil change carried out as soon
as possible.
Engine oil viscosity Viscosity describes the flow characteristics
of a fluid. If an engine oil has a high viscosity, this means it is thick; a low viscosity means
that it is thin.
Select the SAE classification (viscosity) of the
engine oil according to the outside tempera-
ture. The following table shows you the vis-
cosity classes to be used depending on the
average air temperature. Capacities
The following values refer to an oil change
including the oil filter.
Engine with oil fil-
ter GLK 280 GLK 350 GLK 320 CDI
Replacement
amount
7.0 l 7.0 l 8.0 l
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. Otherwise, you could damage the
engine.
Further information on coolants and on fill-
ing can be found in the Mercedes-Benz
Specifications for Service Products, sheet Service products and capacities
247Technical data
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