
XMake sure that the automatic transmission
is set to position P.XApply the vehicle's parking brake.XStart the engine.XSelect highway level.XVehicles with the adaptive damping
system: set ADS to AUTO or COMF .XSwitch off the engine.XClose all doors and the tailgate.XCouple up the trailer.XEstablish all electrical connections.
i
Vehicles with the AIRMATIC package:
with a trailer attached, the vehicle will
always remain at highway level. When
coupling up a trailer, please observe the
following:
R if highway level has not been set
manually, the vehicle will automatically
sink to highway level as soon as it
reaches a speed of 5 mph (8 km/h).
R high-speed level is not available.
These restrictions apply to all accessories
powered through a connection to the trailer
power socket of your vehicle, e.g. a bicycle
carrier.
Towing a trailer
There are numerous legal requirements
concerning the towing of a trailer, e.g. speed
restrictions. Make sure that your vehicle/
trailer combination complies with the local
requirements not only in your area of
residence but also at any location to which
you are traveling. The police and local
authorities can provide reliable information.
Please observe the following when towing a
trailer:
R To acquaint yourself with driving with a
trailer and with the resulting changes to
handling, you should practice cornering,
stopping and reversing in a traffic-free
location.
R Before driving, check:
- the trailer coupling
- the safety switch for braked trailers
- the safety chains
- the electrical connections
- the lights
- the wheels
R Adjust the exterior mirrors to provide an
unobstructed view of the rear section of the
trailer.
R If the trailer features electronically
controlled brakes, pull away the vehicle/
trailer combination carefully, manually
brake using the brake controller, and check
the brakes for correct function.
R Secure any objects on the trailer to prevent
the cargo from slipping when the vehicle is
in motion.
R If you couple up a trailer, regularly check
the cargo for secure fastening and make
sure that the trailer lamps and (if
applicable) the trailer brakes are
functioning correctly.
R Bear in mind that the handling will be less
stable when towing a trailer than when
driving without one. Avoid sudden steering
movements.
R The vehicle/trailer combination is heavier,
accelerates more slowly, has a decreased
gradient climbing capability and a longer
braking distance.
It is more susceptible to side winds and
requires more careful steering.
R If possible, avoid abrupt braking. Depress
the brake pedal moderately at first, so that
the trailer can activate its own brakes. Then
increase the pressure on the brake pedal.
R If the automatic transmission continues to
shift back and forth between two gears
when driving up or downhill, restrict the
shift range. Select shift range 4, 3, 2, or 1.
A lower gear and lower speed reduce the
risk of engine failure.210Towing a trailerDriving and parking
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XPress the W or X button to activate
or deactivate Belt Adjustment .XPress the &, V or U button to
select a different display.
Switching the fold in mirrors when
locking function on/off
When you activate the Fold In Mirrors
When Locking function, the exterior mirrors
are folded in when the vehicle is locked. When
you switch on the ignition, the exterior
mirrors fold out again.
If you have switched the function on and you
fold the exterior mirrors in using the button
on the door ( Y page 108), they will not fold
out automatically. The exterior mirrors can
then only be folded out using the button on
the door.
XPress V or U on the steering wheel
to select the Settings menu.XPress & to call up the selection of
submenus.XPress the W or X button to select the
Comfort submenu.XPress & to select Fold In Mirrors
When Locking .XPress W or X to activate/deactivate
the Fold In Mirrors When Locking
function.XPress the &, V or U button to
select a different display.
Additional functions menu
Switching the distance warning
function on/off
This function is only available with
DISTRONIC.
XPress V or U on the steering wheel
to select the Additional functions menu.XPress the & or * button to select the
Distance Warning function.XPress the W or X button to activate
or deactivate the Distance Warning
system.
When the distance warning function
( Y page 69) is activated, the Ä symbol
is shown in the lower multifunction display.XPress the &, V or U button to
select a different display.
Activating/deactivating Blind Spot
Assist
Further information about Blind Spot Assist
( Y page 200).
XPress V or U on the steering wheel
to select the Additional functions menu.XPress the & or * button to select the
Blind Spot Assist function.XPress W or X to switch the Blind
Spot Assist function on or off.XPress the &, V or U button to
select a different display.
Setting DSR
The DSR Speed function allows you to set the
threshold speed (vehicle speed for driving
downhill) of the DSR ( Y page 203) to a value
between 3 mph (Canada: 4 km/h) and
10 mph (Canada: 18 km/h). The adjustment
is carried out in increments of 1 mph (Canada:
2 km/h).
XPress V or U on the steering wheel
to select the Additional functions menu.XPress the & or * button to select the
DSR Speed function.XPress the W or X button to set the
desired threshold speed.XPress the &, V or U button to
select a different display.226Menus and submenusOn-board computer and displays
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Display messagesPossible causes/consequences and M Solutionsb
Turn Signal Front
Left
or
Turn Signal Front
RightThe front left-hand or front right-hand turn signal is faulty.XCheck whether you are permitted to change the bulb yourself
( Y page 120).
or
XVisit a qualified specialist workshop.b
Turn Signal Left
Mirror
or
Turn Signal Right
MirrorThe turn signal in the left-hand and/or right-hand exterior mirror
is faulty.XCheck whether you are permitted to change the bulb yourself
( Y page 120).
or
XVisit a qualified specialist workshop.b
3rd Brake LampThe high-mounted brake lamp is faulty.XCheck whether you are permitted to change the bulb yourself
( Y page 120).
or
XVisit a qualified specialist workshop.b
Brake Lamp Left
or
Brake Lamp RightThe left or right-hand brake lamp is faulty.XCheck whether you are permitted to change the bulb yourself
( Y page 120).
or
XVisit a qualified specialist workshop.b
Tail Lamp Left
or
Tail Lamp RightThe left or right-hand tail lamp is faulty.XCheck whether you are permitted to change the bulb yourself
( Y page 120).
or
XVisit a qualified specialist workshop.b
High Beam Left
or
High Beam RightThe left or right-hand high beam is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 120).
or
XVisit a qualified specialist workshop.238Display messagesOn-board computer and displays
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Display messagesPossible causes/consequences and M SolutionsÅ
Shift briefly into
NYou have reduced the vehicle speed, but the automatic
transmission is not in position N.XBriefly shift the automatic transmission to position N.Å
Shifting Process
Canceled
ReactivateThe gearshift process has been canceled.XRepeat the gearshift process.Ã
InoperativeDSR (Downhill Speed Regulation) is deactivated due to a
malfunction.XHave DSR checked at a qualified specialist workshop.Blind Spot Assist
Currently
Unavailable See
Operator's ManualBlind Spot Assist is temporarily inoperative if:
R the sensors are dirty.
R its function is impaired due to heavy rain or snow.
R the radar sensor system is outside the operating temperature
range.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
R the on-board voltage is too low.
The yellow 9 indicator lamps also light up in the exterior
mirrors.
Blind Spot Assist is operational again and the display message
disappears when:
R the dirt (e.g. slush) drops away while the vehicle is in motion.
R the system detects that the sensors are fully available again.
R the radar sensor system is back within the operating
temperature range.
If the display message continues to be displayed:XClean the sensors ( Y page 303).XRestart the engine.Blind Spot Assist
InoperativeBlind Spot Assist is faulty.
The yellow 9 indicator lamps also light up in the exterior
mirrors.XVisit a qualified specialist workshop.Cruise Control
InoperativeCruise control is faulty. XVisit a qualified specialist workshop.246Display messagesOn-board computer and displays
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You can remove the cup holder to clean it.
Clean the cup holder with clear, lukewarm
water only.XTo remove: hold cup holder : by
support ; and pull out in the direction of
the arrow.XTo install: place the cup holder into the
guides and insert.
Cup holder in the rear seat armrest
! Do not sit or lean your bodyweight on the
armrests when they are folded out as you
could damage them.
XFold down the armrest.
Cup holder in the third row of seats
The cup holders are located in the side trim
on the left and right-hand sides.
Sun visors
GWarning
Do not use the vanity mirror while driving.
Keep the vanity mirrors in the sun visors
closed while the vehicle is in motion.
Reflected glare can endanger you and others.
:Mirror light;Bracket=Vanity mirror?Retaining clip, e.g. for a car park ticketAMirror cover
Vanity mirror in the sun visor
Mirror light : only functions if the sun visor
is clipped into retainer ; and mirror cover
A has been folded up.
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This device complies with part 15 of the
FCC rules. Operation is subject to the
following two conditions:
1. The device must not cause harmful
interference.
2. The device must withstand any
interference received, including
interference that may cause undesired
operation.
Unauthorized modification of this device
could void the device's operating permit.
i Canada only:
This device complies with the RSS-210
requirements of Industry Canada.
Operation is subject to the following two
conditions:
1. The device must not cause harmful
interference.
2. The device must accept any interference
received, including interference that may
cause undesired operation.
Unauthorized modification of this device
could void the user's authority to legally
operate the device.
Programming the remote control
Programming
GWarning!
Only press the transmitter button on the
integrated remote control if there are no
persons or objects present within the sweep
of the garage door. People could otherwise be
injured by the movement of the door.
Remote control in the rear-view mirror
Garage door remote control A is not part of
the garage door opener.
i To achieve the best result, insert new
batteries in garage door remote control
A of your garage door drive before
programming.
XErase the memory of the integrated remote
control ( Y page 291) before programming
it for the first time.XTurn the SmartKey to position 2 in the
ignition lock.XPress and hold one of transmitter
buttons ; to ? on the integrated remote
control.
After a short time, indicator lamp : will
start flashing. It flashes about once per
second.
i Indicator lamp : flashes immediately
the first time that the transmitter button is
programmed. If this transmitter button has
already been programmed, indicator
lamp : will only start flashing at a rate of
once per second after 20 seconds have
elapsed.
XKeep the transmitter button depressed.XPoint transmitter button B of garage door
remote control A towards the transmitter
buttons on the rear-view mirror from a
distance of 2 to 12 inches (5 to 20 cm).
i The distance between garage door
remote control A and the integrated
garage door opener depends on the system
of the garage door drive. You might require
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several attempts. You should test every
position for at least 20 seconds before
trying another position.XKeep transmitter button B on garage door
remote control A pressed until indicator
lamp : starts to flash rapidly.
The programming has been successful if
indicator lamp : flashes rapidly.XRelease transmitter buttons ;, = or ?
on the integrated remote control or
transmitter button on the garage door
remote control B.
If indicator lamp : goes out after
approximately 20 seconds and has not
flashed rapidly:
XRelease transmitter buttons ;, = or ?
on the integrated remote control or
transmitter button on the garage door
remote control B.XRepeat the procedure for the other
transmitter buttons. When doing so, vary
the distance between the garage door's
remote control and the transmitter buttons
in the rear-view mirror.
i If the garage door system works with a
rolling code, you must synchronize the
remote control integrated into the rear-
view mirror with the garage door system
receiver after programming.
You will find further information in the
garage door opening system's operating
instructions, e.g. the sections on
"Synchronizing the transmitter" or
"Registering a new transmitter". You can
also call the hotline mentioned above.
Notes on programming the remote
control
Canadian radio frequency laws require
transmitter signals to "time-out" (or quit) after
several seconds of transmission. This may
not be long enough for the integrated signal
transmitter to pick up the signal during
programming. Similar to this Canadian law,
some U.S. gate operators are designed to
"time-out" in the same manner.
If you live in Canada or have difficulties
programming the garage door opener
(regardless of where you live) when using the
programming steps (see above), proceed as
follows:XPress transmitter button ( ;, = or ?) and
hold it down during the following steps until
the setup has been completed
successfully.XAt the same time, press transmitter button
B of the garage door remote control for
two seconds, then release it for two
seconds, then press it again for two
seconds.XRepeat this sequence on transmitter
button B of the garage door remote
control until the frequency signal has been
learned.XIf the setup procedure is successful,
indicator lamp : flashes once slowly and
goes out after a few seconds.XContinue with the other programming
steps (see above).
Problems when programming
If you have problems when programming the
integrated remote control, please note the
following:
R check the transmitter frequency of garage
door remote control A (which can usually
be found on the rear of the remote control).
The integrated remote control is
compatible with equipment that operates
in the frequency range 280 to 390 MHz.
R replace the batteries in garage door remote
control A. This increases the likelihood of
garage door remote control A sending a
strong and precise signal to the integrated
remote control on the rear-view mirror.
R When aiming the garage door remote
control at the transmitter buttons on the
rear-view mirror, hold garage door remote
control A at differing distances and angles
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GWarning
Do not place any metal objects on the battery
as this could result in a short circuit.
Use leak-proof batteries only to avoid the risk
of acid burns in the event of an accident.
Take care that you do not become statically
charged, e.g. by wearing synthetic clothing or
rubbing against textiles. For this reason, you
also should not pull or push the battery over
carpets or other synthetic materials.
Never touch the battery first. First, touch the
outside body of the vehicle in order to release
any possible electrostatic charges.
Do not rub the battery with rags or cloths. The
battery could explode if touched due to
electrostatic charge or due to spark
formation.
! Switch off the engine and remove the
SmartKey before disconnecting the
terminal clamps from the battery. On
vehicles with KEYLESS-GO, make sure that
the ignition is switched off. Check that all
the indicator lamps in the instrument
cluster are off. You may otherwise destroy
electronic components, such as the
alternator.
! Like other batteries, the vehicle battery
may discharge over time if you do not use
the vehicle. In this case, have the battery
disconnected at a qualified specialist
workshop, e.g. an authorized Mercedes-
Benz Center. You can also charge the
battery with a charger recommended by
Mercedes-Benz. Contact an authorized
Mercedes-Benz Center for further
information.
The battery, breather hose and cover of the
positive terminal clamp must be installed
securely during operation.
i Remove the SmartKey if you park the
vehicle and do not require any electrical
consumers. The vehicle will then use very
little energy, thus conserving battery
power.
Mercedes-Benz recommends that you do not
carry out work on batteries yourself, e.g.
removing, charging or replacing. Always have
this work performed at a qualified specialist
workshop, e.g. an authorized Mercedes-Benz
Center.
i If the power supply has been interrupted,
e.g. if the battery has been reconnected,
you must carry out the following tasks:
R set the clock ( Y page 222)
On vehicles with COMAND and a
navigation system, the clock is set
automatically.
R reset the sliding sunroof ( Y page 90)
R reset the function for folding the exterior
mirrors in/out automatically by folding
the mirrors out once ( Y page 108)
R reset the side windows ( Y page 87)
Charging the battery
GWarning
Never charge a battery while still installed in
the vehicle unless the accessory battery
charge unit approved by Mercedes-Benz is
being used. Gases may escape during
charging and cause explosions that may
result in paint damage, corrosion or personal
injury.
An accessory battery charge unit specially
adapted for Mercedes-Benz vehicles and
tested and approved by Mercedes-Benz is
available. It permits the charging of the
battery in its installed position. Contact an
authorized Mercedes-Benz Center for
information and availability.
Charge the battery in accordance with the
separate instructions for the accessory
battery charger.
GWarning!
There is a risk of acid burns during the
charging process due to the gases which
escape from the battery. Do not lean over the
battery during the charging process.
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