Refuelling
217
adding the wrong fuel is not covered by the
warranty.
! Do not start the engine if you accidentally
refuel with the wrong fuel. Otherwise, the
fuel could enter the fuel lines. This would
require draining of the fuel tank and fuel
lines. Notify a qualified specialist workshop
and have the fuel tank and fuel lines
drained completely.
When you open or close the vehicle with the
key or KEYLESS GO*, the fuel filler flap is
automatically unlocked or locked.
The fuel filler flap is to the rear on the right. 1
To open the fuel filler flap
2 To insert the fuel cap
3 Fuel type
4 Tyre pressure table X
To open: press the fuel filler flap in the
direction of arrow 1.
The fuel filler flap opens slightly.
X Open the fuel filler flap.
X Turn the fuel filler cap to the left and
remove it.
X Insert the fuel filler cap into the holder
bracket on the inside of filler flap 2.
X Only fill the tank until the pump nozzle
switches off.
! Overfilling the tank could damage the fuel
system.
X To close: replace the fuel filler cap and turn
it clockwise. The fuel filler cap audibly
engages.
X Close the fuel filler flap.
i Vehicles with a diesel engine:
If the tank has been run completely dry, it
will be necessary to bleed the fuel system
(Y page 296). Petrol (EN 228)
! Refuel using only unleaded premium
grade petrol with a minimum octane num-
ber of 95 RON/85 MON conforming to
European standard EN 228.
You could otherwise impair engine output
or damage the engine.
You will find further information about pet-
rol under "Fuel" in the index.
i As a temporary measure, but only when
the recommended fuel is not available, you
may also use regular unleaded petrol,
91 RON/82.5 MON. This may reduce per-
formance and increase petrol consump-
tion. Avoid driving at full throttle.
In some countries, the available petrol qual-
ity may not be sufficient and could cause
coking around the inlet valve. In such
cases, and in consultation with a
Mercedes-Benz Service Centre, the petrol
may be mixed with the additive recommen-
ded by Mercedes-Benz (part no.
A000989254510). You must observe the
notes and mixing ratios given on the con-
tainer. Operation
* optional
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Engine compartment
223Coolant
G
Risk of injury
The cooling system is pressurised. There-
fore, only unscrew the cap once the engine
has cooled down. The coolant temperature
gauge must display less than 70 °C. You
could otherwise be scalded by escaping hot
coolant.
Coolant consists of water and antifreeze/cor-
rosion inhibitor. Only check the coolant level
when the vehicle is on a level surface and the
engine has cooled down. Checking the coolant level The expansion tank is located in the engine
compartment on the left when viewed in the
direction of travel. 1
Cap
2 Expansion tank
3 Marker bar
X Slowly turn cap 1by half a turn anti-clock-
wise to allow excess pressure to escape.
X Turn cap 1further anti-clockwise and
remove it.
There is sufficient coolant in expansion
tank 2if the coolant is level with the
marker bar 3in the filler neck when cold
or approximately 1.5 cm higher when hot. X
Top up the coolant if necessary.
X Replace cap 1and tighten all the way to
the stop.
You will find further information about coolant
in the "Technical data" section
(Y page 370). Windscreen washer system/head-
lamp cleaning system*
The washer fluid reservoir is located in the
engine compartment on the left-hand side of
the vehicle when viewed in the direction of
travel. The headlamp cleaning system is also
supplied from the washer fluid reservoir. 1
Cap
X Add windscreen washer concentrate to the
washer fluid all year round. Operation
* optional
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Service
246
X
Open the socket cover.
X Insert the connector with lug 1into
groove 2on the socket and turn the con-
nector clockwise to the stop.
X Make the cover engage.
X If you are using an adapter cable, secure
the cable to the trailer with cable ties.
! Make sure that there is sufficient cable
play so that the cable cannot become
detached when cornering. Service
ASSYST PLUS service interval display
ASSYST PLUS, the service interval display,
tells you when the next service is due. When-
ever a service is due, the following message
appears in the multi-function display:
Service A due in .. days
Service A due in .. km
Service A due now The letter indicates how much time the work-
shop will require to carry out the service work.
The letters displayed range from
Afor a short
service duration to Hfor a long service dura-
tion.
The service interval display ASSYST PLUS
does not record any periods of time during
which the battery is disconnected. In order to
maintain the time-dependent service sched-
ule, you should call up the service due date
and make a note of it before disconnecting
the battery. The alternative is to subtract the battery disconnection periods from the
service date shown on the display. Fading out the service message
1
Reset button
X Press the 1reset button beside the instru-
ment cluster.
The service message goes out. Operation
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Where will I find...?
257
Vehicles with an EASY-PACK load-secur-
ing kit*
1
"Minispare" emergency spare wheel*
2 Emergency spare wheel cover
3 EASY-PACK load-securing kit* bag
X Remove emergency spare wheel cover 2
with EASY-PACK load-securing kit* bag
3. 1
"Minispare" emergency spare wheel*
2 Stowage well
3 Trailer ball coupling*
4 Centring pin
5 Towing eye
6 Wheel wrench
Underneath "Minispare" emergency spare
wheel* 1:
R Folding wheel chock
R Jack
R Wheel bolts for "Minispare" emergency
spare wheel*
R Fuse allocation chart Removing the "Minispare" emergency
spare wheel*
1
Emergency spare wheel retainer
2 Stowage well
X Turn emergency spare wheel retainer 1
anti-clockwise and remove.
X Remove stowage well 2.
X Remove "Minispare" emergency spare
wheel*. Practical advice
* optional
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Where will I find...?
258
Vehicles with a collapsible emergency
spare wheel* (only ML 63 AMG) 1
Electric air pump
2 Collapsible emergency spare wheel*
3 Stowage well
4 Trailer ball coupling*
5 Centring pin
6 Towing eye
7 Wheel wrench
Underneath collapsible emergency spare
wheel* 2:
R Folding wheel chock
R Jack
R Fuse allocation chart Taking out the collapsible emergency
spare wheel*
1
Emergency spare wheel retainer
2 Stowage well
X Remove stowage well 2.
X Turn emergency spare wheel retainer 1
anti-clockwise and remove.
X Take out the collapsible emergency spare
wheel*.
Setting up the foldable wheel chock The folding wheel chock serves as an addi-
tional measure for securing the vehicleagainst rolling away, e.g. when a wheel is
being changed.
1
To fold the plates upwards
2 To fold out the lower plate
3 To insert the plate
X Fold both plates 1upwards.
X Fold out lower plate 2.
X Guide the lugs on the lower plate fully into
the openings in base plate 3.Practical advice
* optional
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Locking/unlocking in an emergency
308 Locking/unlocking in an emergency
Emergency key
If the vehicle can no longer be unlocked or
locked with the key or the KEYLESS GO
key*, use the emergency key element.
If you use the emergency key element to
unlock and open the driver's door, the anti-
theft alarm system* will be triggered
(Y page 62).
There are several ways to turn off the alarm:
X Press the korj button on the key.
or
X Insert the key into the ignition lock.
or
X Press the KEYLESS GO button* in the igni-
tion lock. The KEYLESS GO key* must be in
the vehicle.
or
X Lock or unlock the vehicle using KEYLESS
GO*. The KEYLESS GO key* must be out-
side the vehicle. Releasing and removing the emergency
key element
1
Release catch
2 Emergency key element
X Push release catch 1in the direction of
the arrow and at the same time remove
emergency key element 2from the key. Unlocking the vehicle
If the vehicle can no longer be unlocked cen-
trally with the key or the KEYLESS GO key*:
X Remove the emergency key element from
the key (Y page 308). $
To unlock
X Insert the emergency key element into the
lock of the driver's door as far as it will go.
X Firmly turn the emergency key element
anti-clockwise as far as it will go to position
$ and hold it in this position.
i On right-hand-drive vehicles, turn the
emergency key element clockwise.
X Pull the door handle firmly.
The locking knob pops up.
The door is unlocked. Practical advice
* optional
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Changing the bulbs
315
Observe the following points:
R
Use only the bulb types specified here.
R To prevent a short-circuit, switch off the
lights before changing a bulb.
R Only hold bulbs with a clean, lint-free cloth.
R Do not work with wet or greasy fingers.
R If the new bulb still does not light up, con-
sult a qualified specialist workshop, e.g. a
Mercedes-Benz Service Centre.
i Have the headlamp setting checked reg-
ularly at a qualified specialist workshop,
e.g. a Mercedes-Benz Service Centre. Changing the front bulbs
i ML 500: the fuse box in the engine com-
partment must be removed before a bulb is
changed in the headlamp on the right-hand
side. Have the work carried out at a quali-
fied specialist workshop, e.g. a Mercedes-
Benz Service Centre. Replacing dipped-beam headlamps
(vehicles with halogen headlamps) 1
Housing cover for dipped-beam headlamp
2 Bulb holder for dipped-beam headlamp
X Switch off the lights.
X Open the bonnet.
X Turn housing cover 1anti-clockwise and
remove it.
X Turn bulb holder 2anti-clockwise and pull
it out.
X Pull the bulb out of bulb holder 2.
X Insert the new bulb into bulb holder 2.X
Insert bulb holder 2and turn it clockwise.
X Align housing cover 1and turn it clock-
wise.
Replacing the bulbs in the main-beam
headlamp 1
Housing cover for main-beam headlamp
2 Bulb holder for main-beam headlamp
X Switch off the lights.
X Open the bonnet.
X Turn housing cover 1anti-clockwise and
remove it.
X Turn bulb holder 2anti-clockwise and pull
it out.
X Pull the bulb out of bulb holder 2.
36 These bulbs must be replaced at a qualified specialist workshop, e.g. a Mercedes-Benz Service Centre. Practical advice
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Changing the bulbs
316
X
Insert the new bulb into bulb holder 2.
X Insert bulb holder 2and turn it clockwise.
X Place housing cover 1back on and turn it
clockwise until it engages.
Replacing side/parking lamp bulbs 1
Bulb holder for side/parking lamp
X Switch off the lights.
X Open the bonnet.
X Turn bulb holder 1anti-clockwise and pull
it out.
X Pull the bulb out of bulb holder 1.
X Insert the new bulb into bulb holder 1.
X Insert bulb holder 1and turn it clockwise. Replacing the bulbs in foglamps with-
out cornering light function/AMG Styl-
ing package* foglamps/foglamps on
the ML 63 AMG
Foglamps without cornering light function
1
Cover
2 Front foglamp
X Switch off the lights.
X Carefully detach cover 1using a suitable
object, e.g. a screwdriver.
Cover 1disengages.
X Remove cover 1. AMG Styling package* foglamps/foglamps on the
ML 63 AMG
1
Cover
2 Front foglamp
X Switch off the lights.
X Slide a suitable object, e.g. a screwdriver,
carefully into the recess between cover
1 and the bumper.
X Detach cover 1and pull it out. If neces-
sary, carefully use the screwdriver to prise
it off. Practical advice
* optional
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