XClose all doors and the tailgate.XAttach the trailer.XPlug in all electrical connectors.
iVehicles with vehicle level control:
When you are towing a trailer, the vehicle
level always remains in the highway setting.
The following applies additionally when
towing a trailer:
R The vehicle is lowered to the highway
level when it reaches a speed of 5 mph
(8 km/h) if not set to highway level.
R The highspeed level is not available.
The restrictions that apply to towing also
apply when using accessories that are
connected to the trailer power socket, such
as a bicycle rack.
Towing a trailer
There are many different laws, including
speed limit restrictions, having to do with
trailer towing. Make sure your rig will be legal,
not only for where you reside, but also for
where you will be driving. A good source for
this information can be the police or local
authorities.
Note the following, when driving with a trailer:
R In order to gain skill and an understanding
of the vehicle’s behavior, you should
practice turning, stopping and backing up
in an area which is free of traffic.
R Before you start driving check the
- trailer hitch
- break-away switch
- safety chains
- electrical connections
- lighting
- tires
R Adjust the mirrors ( Y page 89) to permit
unobstructed view beyond rear of trailer.
R If the trailer has electric brakes, start your
vehicle and trailer moving slowly, and then
apply only the trailer brake controller by
hand to make sure the brakes are working
properly.
R Always secure items in the trailer to
prevent load shifts while driving.
R When towing a trailer, check occasionally
to make sure the load is secure, and that
trailer lighting and brakes (if so equipped)
are functioning properly.
R Take into consideration that when towing a
trailer, the handling characteristics are
different and less stable from those when
operating the vehicle without a trailer.
It is important to avoid sudden maneuvers.
R The vehicle and trailer combination is
heavier, and therefore limited in
acceleration and climbing ability, and has a
larger braking distance.
It is more prone to reacting to cross wind
gusts, and requires more sensitive steering
input.
R If possible, do not brake abruptly, but
rather engage the brake slightly at first to
permit the trailer to activate its brake. Then
increase the braking force.
! If the trailer should begin to sway, reduce
the vehicle’s speed immediately.
Do not attempt to straighten out the tow
vehicle and trailer by increasing the speed.
R If the transmission shifts between gears on
inclines repeatedly, shift to a lower gear
range manually ( Y page 113). Select 4, 3 ,
2 or 1.
A lower gear and reduction of speed
reduces the chance of engine overloading
and/or overheating.
R On very steep inclines, not manageable
with automatic transmission in gear range
1 , switch on off-road driving program
( Y page 155).
R When going down an incline, shift into a
lower gear and use the engine’s braking
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Avoid riding the brakes, thus overheating
the vehicle and trailer brakes (if so
equipped).
R If the engine coolant rises to an extremely
high temperature when the air conditioning
is on, turn off the air conditioning system.
Engine coolant heat can be additionally
vented by opening the windows, switching
the climate control fan speed to high and
setting the temperature control to the
maximum.
R During a passing maneuver extreme care
must be exercised since your vehicle with
a trailer will require additional passing
distance ahead than when driving without
a trailer.
Because your vehicle and trailer is longer
than your vehicle alone, you will also need
to go much farther ahead of the passed
vehicle before you can return to your lane.
Decoupling a trailer GWarning!
Vehicles with air suspension program: While
you are coupling or decoupling a trailer, make
sure nobody locks or unlocks the vehicle and/
or opens or closes doors or the tailgate.
The vehicle’s level could change and you
could endanger yourself and/or others as a
result.
Make sure that you do not operate the ADS
switch or the vehicle level control system
when coupling/decoupling the trailer.
XMake sure the automatic transmission is in
park position P (Y page 110).XEngage the parking brake for the vehicle
( Y page 107).XStart the engine ( Y page 103).XClose all doors and the tailgate.XEngage the parking brake for the trailer.GWarning!
Vehicles with air suspension program: As
soon as you disconnect the electrical
connection between the trailer and the
vehicle, the vehicle will lower. To help avoid
personal injury, make sure no one is near the
wheel housing or underneath the vehicle
before the electrical connection is
disconnected.
When you decouple the trailer, the vehicle is
temporarily raised because the springs are
relieved of load. Be especially careful during
this process, as you could otherwise injure
yourself and/or others. Make sure that any
persons remaining in the vehicle do not press
the switches for vehicle level control or the
ADS.
XDisconnect all electrical plug connectors.XDecouple the trailer.XMake sure that the trailer coupling is free
of load.XTurn off the engine ( Y page 108).
Driving abroad
If you plan to drive the vehicle outside the U.S.
or Canada, you should request dealer
network information for your destination from
any authorized Mercedes-Benz Center.
Control and operation of radio
transmitter
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.
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appear while you are driving or when you
switch on the ignition (example service A):
Service A In XXXXX Miles (km)
Service A In XX Days
Service A In X Day
Service A Due Now
Refer to Maintenance Booklet for a listing of
maintenance services and intervals they need
to be performed at.
Clearing the maintenance service
indicator message
The maintenance service indicator message
is cleared automatically
Rafter approximately 10 seconds when you
switch on the ignition
Rafter approximately 10 seconds when
reaching the service threshold while driving
Rafter approximately 30 seconds, once the
suggested maintenance service term has
passed
XClearing the maintenance service
indicator message manually: Press reset
button : on the instrument cluster.
The standard display appears in the
multifunction display.
Maintenance service term exceeded
If you have exceeded the suggested
maintenance service term, you will see the
following message in the multifunction
display:
Service A Exceeded By XXXXX Miles
(Km)
Service A Exceeded By XXX Days
Service A Exceeded By X Day
In addition, a signal sounds when the
message appears.
Any authorized Mercedes-Benz Center will
reset the maintenance service indicator
following a completed maintenance service.
Calling up the maintenance service
indicator display
iThe menu overview can be found on
(Y page 121).
You can call up the maintenance service
indicator display at any time to check when
the next maintenance service is required.
XSwitch on the ignition.XPress button V or U on the
multifunction steering wheel repeatedly
until the standard display (Y page 122)
appears in the multifunction display.
XPress button * or & on the
multifunction steering wheel until the
maintenance service indicator display with
the service symbol ¯ and the
maintenance service deadline appears in
the multifunction display.
iIf the battery was disconnected, the days
of disconnection will not be included in the
count shown by the maintenance service
indicator. To arrive at the true maintenance
service deadline, you will need to subtract
these days from the days shown in the
maintenance service indicator message or
maintenance service indicator display.
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damage (i.e. chips from stones, vehicle
doors, etc.).
Engine cleaning
Prior to cleaning the engine compartment,
make sure to protect electrical components
and connectors from contact with water and
cleaning agents.
Corrosion protection, such as MB
Anticorrosion Wax should be applied to the
engine compartment after every engine
cleaning. Before applying, all control linkage
bushings and joints should be lubricated. The
poly-V-belt and all pulleys should be
protected from any wax.
Vehicle washing
In the winter, thoroughly remove all traces of
road salt as soon as possible.
When washing the vehicle underbody, do not
forget to clean the inner sides of the wheels.
i Vehicles with KEYLESS-GO:
If a door handle is hit by a strong jet of
water, and a SmartKey is within
approximately 3 ft (1 m) of the vehicle, it
could be inadvertently locked or unlocked.
Hand-wash
XDo not use hot water or wash your vehicle
in direct sunlight.XOnly use a soft, wet cloth or sponge to
clean the vehicle.XOnly use a mild vehicle wash detergent,
such as Mercedes-Benz approved Car
Shampoo.XThoroughly spray the vehicle with a
diffused jet of water.XDo not spray directly towards the
ventilation intake.XUse plenty of water and rinse the sponge
and chamois frequently.XRinse with clean water and dry with a
chamois thoroughly.Do not allow cleaning agents to dry on the
finish.
Automatic car wash
You can have your vehicle washed in an
automatic car wash from the start. Brushless
car washes are preferable.
XTo protect the filter system, activate the air
recirculation mode using button d on
the climate control panel.
! Do not clean your vehicle in an automatic
touchless car wash which uses caustic
spray. Caustic spray will damage the paint
or ornamental moldings.
If the vehicle is very dirty, prewash it before
running it through the automatic car wash.
! Make sure the combination switch is set
to wiper setting $. Otherwise, the rain
sensor could activate and cause the wipers
to move unintentionally. This may lead to
vehicle damage.
Due to the width of the vehicle, fold in
exterior rear view mirrors prior to running
the vehicle through an automatic car wash
to prevent damage to the mirrors.
XWhen taking the vehicle through an
automatic conveyor-type car wash:
Make sure the automatic transmission
remains in neutral position N. Observe
instructions, see “Remaining in neutral
position N” ( Y page 111).
When leaving the automatic car wash, make
sure the mirrors are folded out.
After running the vehicle through an
automatic car wash, wipe any wax off of the
windshield and the wiper blade inserts. This
will prevent smears and reduce wiping noise
which can be caused by residual wax on the
windshield.
Ornamental moldings
XFor regular cleaning and care of ornamental
moldings, use a damp cloth.262Vehicle careOperation
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Vehicle equipment
iThis Operator’s Manual describes all
features, standard or optional, potentially
available for your vehicle at the time of
purchase. Please be aware that your
vehicle might not be equipped with all
features described in this manual.
Where will I find ...?
First aid kit
iCheck expiration dates and contents for
completeness at least once a year and
replace missing/expired items.
The first aid kit is located on the driver’s side
in the cargo compartment behind the cover.
XTurn lock : by 90° in direction of the
arrow.
XFold down cover ;.
The first aid kit can be removed.
Vehicle tool kit
The vehicle tool kit is located in the space
underneath the cargo compartment floor.
The vehicle tool kit includes:
RAlignment bolt 23
RCollapsible wheel chock 23
RElectric air pump24
RFuse chart
RJack23
RReversible ratchet for jack23
RTIREFIT kit25
RTowing eye bolt
RWheel wrench23
RSpare wheel bolts26
XRemoving: Open the tailgate (Y page 75).XPush in floor handle ; as indicated by
arrow.
XLift cargo compartment floor : using floor
handle ;.23Vehicles with spare wheel only.24ML 350 BlueTEC 4MATIC (Canada vehicles) factory equipped with 20" wheels and vehicles with spare wheelwith collapsible tire only.25ML 350 BlueTEC 4MATIC (Canada vehicles) factory equipped with 20" wheels only.26Vehicles with Minispare wheel only.
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Vehicles with spare wheel
Example illustration
:Electric air pump28;Storage well casing=Alignment bolt?Towing eye boltAWheel wrenchXTo access remaining tools: Remove
storage well casing ; (if so equipped).
XRemove the spare wheel (Y page 271).
Example illustration
BJackCCollapsible wheel chockDFuse chartESpare wheel bolts29FReversible ratchet for jackCollapsible wheel chock
The collapsible wheel chock serves to secure
the vehicle, e.g. while changing a wheel.
XTake the collapsible wheel chock from the
vehicle tool kit (Y page 268).
XSetting up: Tilt both plates upward :.XFold the lower plate outward ;.XGuide the tabs of the lower plate all the way
into the openings of base plate =.
For information on where to place wheel
chocks when changing a wheel, see “Lifting
the vehicle” (Y page 324).
Jack
GWarning!
Only use the jack supplied with your vehicle
to lift the vehicle briefly for wheel changes. If
you use the jack for any other purpose, you or
others could be injured, as the jack is
designed only for the purpose of changing a
wheel.
When using the jack, observe the safety notes
in the “Mounting the spare wheel” section and
the notes on the jack.
XTake the jack from the vehicle tool kit
(Y page 268).28Vehicles with spare wheel with collapsible tire only.29Vehicles with Minispare wheel only.
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Storage position
XTake the reversible ratchet from the vehicle
tool kit (Y page 268).
Operational position
XAttach reversible ratchet ; to jack : in
such a way that the word UP can be seen.
Before placing the jack and the reversible
ratchet back into the vehicle tool kit:
XFully collapse the jack (storage position).XRemove the reversible ratchet.
Spare wheel
GObserve Safety notes, see page 319.
iUSA only:
The ML 350 BlueTEC 4MATIC does not have
a spare wheel.
iCanada only:
The ML 350 BlueTEC 4MATIC does not have
a spare wheel. ML 350 BlueTEC 4MATIC
vehicles that are factory equipped with 20''
wheels come with TIREFIT.
The spare wheel is located in the space
underneath the cargo compartment floor.
XRemoving: Open the tailgate (Y page 75).XLift the cargo compartment floor and
secure it on the upper cargo compartment
lip (Y page 268).
! To prevent damage, always disengage the
securing hook from upper cargo
compartment lip and lower the cargo
compartment floor before closing the
tailgate.
XRemove the storage well casing (if so
equipped) (Y page 270).
Example illustration
XRemove retaining screw : by turning it
counterclockwise.
XRemove spare wheel ;.
For information on mounting the spare wheel,
see “Flat tire” (Y page 319).
Storing the spare wheel after use
XPlace spare wheel ; into the spare wheel
well (Y page 271).
XSecure spare wheel ; by turning retaining
screw : clockwise (Y page 271).
XPlace the storage well casing (if so
equipped) into the spare wheel
(Y page 270).
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Vehicle status messages in the
multifunction display
Notes
Warning and malfunction messages appear in
the multifunction display located in the
instrument cluster.
Certain warning and malfunction messages
are accompanied by an audible signal.
Address these messages accordingly and
follow the additional instructions given in this
Operator’s Manual.
Selecting the Vehicle status message
memory menu in the control system
( Y page 128) displays both cleared and
uncleared messages.
High-priority messages appear in the
multifunction display in red color.
Certain messages of high priority cannot be
cleared from the multifunction display using
the reset button ( Y page 118) or button
& , * , U or V on the
multifunction steering wheel.
Other messages of high priority and
messages of less immediate priority can be
cleared from the multifunction display using
the reset button or button &, * ,
U or V on the multifunction steering
wheel. They are then stored in the Vehicle
status message memory menu
( Y page 128). Remember that clearing a
message will only make the message
disappear. Clearing a message will not
correct the condition that caused the
message to appear.
GWarning!
All categories of messages contain important
information which should be taken note of
and, where a malfunction is indicated,
addressed as soon as possible at an
authorized Mercedes-Benz Center.
Failure to repair the condition noted may
cause damage not covered by the Mercedes-
Benz Limited Warranty, or result in property
damage or personal injury.GWarning!
No messages will be displayed if either the
instrument cluster or the multifunction
display is inoperative.
As a result, you will not be able to see
information about your driving conditions,
such as
R speed
R outside temperature
R warning/indicator lamps
R malfunction/warning messages
R failure of any systems
Driving characteristics may be impaired.
If you must continue to drive, do so with added
caution. Contact an authorized Mercedes-
Benz Center as soon as possible.
GWarning!
HYBRID vehicles: It is imperative that you read
the HYBRID Supplemental Operating
Instructions included in your vehicle literature
portfolio. You may otherwise not recognize
potential danger.
On the pages that follow, you will find a
compilation of the most important warning
and malfunction messages that may appear.
For your convenience the messages are
divided into text messages ( Y page 273) and
symbol messages ( Y page 283).
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