2Ignition (power supply for all electrical
consumers) and driving position
3Starting position
When you switch on the ignition, all lamps in
the instrument cluster come on. The low-
beam headlamp indicator lamp, high-beam
headlamp indicator lamp, turn signal
indicator lamps, and the indicator lamps for
the fog lamps will only come on if activated.
If a lamp in the instrument cluster fails to
come on when the ignition is switched on,
have it checked and replaced if necessary. If
a lamp in the instrument cluster remains on
after starting the engine or comes on while
driving, refer to “Lamps in instrument cluster”
(Y page 297).
If the SmartKey is left in starter switch
position 0 for an extended period of time, it
can no longer be turned in the starter switch.
In this case, the steering is locked. To unlock,
remove SmartKey from the starter switch and
reinsert.
The steering is locked when the SmartKey is
removed from the starter switch.
XAlways remove the SmartKey from the
starter switch when the engine is not in
operation.
This will help to prevent accelerated vehicle
battery discharge or a completely
discharged vehicle battery.
If the SmartKey cannot be turned in the
starter switch, the vehicle battery may not be
sufficiently charged.
XCheck the vehicle battery and charge it if
necessary (Y page 323).
or
XGet a jump start (Y page 323).
iIf the SmartKey does not belong to the
vehicle, the SmartKey can be turned in the
starter switch. However, the ignition does
not switch on and the engine does not start.
KEYLESS-GOGObserve Safety notes, see page 54.
Vehicles equipped with the KEYLESS-GO
feature are supplied with a SmartKey with
integrated KEYLESS-GO function and a
removable KEYLESS-GO start/stop button.
The KEYLESS-GO start/stop button must be
inserted in the starter switch and the
SmartKey present in the vehicle.
Pressing the KEYLESS-GO start/stop button
without depressing the brake pedal
corresponds to the various starter switch
positions (Y page 77).
Pressing the KEYLESS-GO start/stop button
with the brake pedal firmly depressed will
start the engine (Y page 101).
The KEYLESS-GO start/stop button can be
pulled out of the starter switch easily. You can
then insert the SmartKey into the starter
switch.
iThe KEYLESS-GO start/stop button does
not need to be removed from the starter
switch when you leave the vehicle.
However, always take the SmartKey with
you when you leave the vehicle. As long as
the SmartKey is in the vehicle, the vehicle’s
electrical systems can be switched on or
the engine can be started using the
KEYLESS-GO start/stop button.
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XInsert the KEYLESS-GO start/stop button
into the starter switch (if not inserted
already).
iAllow for 2 seconds until the system has
detected the KEYLESS-GO start/stop
button.
XVehicles with manual transmission: Shift
the manual transmission into the neutral
position (no gear selected).
or
XVehicles with automatic transmission: Shift
the automatic transmission into neutral
position N.
XDo not depress the brake pedal.
KEYLESS-GO start/stop button
=USA only?Canada only
Position 0
Before you press the KEYLESS-GO start/stop
button, the vehicle’s on-board electronics
have status 0 (as with SmartKey removed).
Position 1
XPress the KEYLESS-GO start/stop button
once.
This supplies power for some electrical
consumers, e.g. wipers.
iWhen you now open the driver’s door, the
power supply is switched off.
Ignition (or position 2) XPress the KEYLESS-GO start/stop button
twice.
This supplies power for all electrical
consumers.
When you switch on the ignition, all lamps
in the instrument cluster come on. The low-
beam headlamp indicator lamp, high-beam
headlamp indicator lamp, turn signal
indicator lamps, and the indicator lamps for
the fog lamps will only come on if activated.
If a lamp in the instrument cluster fails to
come on when the ignition is switched on,
have it checked and replaced if necessary.
If a lamp in the instrument cluster remains
on after starting the engine or comes on
while driving, refer to “Lamps in instrument
cluster” (Y page 297).
iWhen you now press the KEYLESS-GO
start/stop button once and the driver’s
door is open, the power supply is switched
off.
Seats
Safety notes
GWarning!
In order to avoid possible loss of vehicle
control the following must be done before the
vehicle is put into motion:
Rseat adjustment
Rhead restraint adjustment
Rsteering wheel adjustment
Rrear view mirror adjustment
Rfastening of seat belts
GWarning!
Do not adjust the driver’s seat while driving.
Adjusting the seat while driving could cause
the driver to lose control of the vehicle.
Never ride in a moving vehicle with the seat
backrest in an excessively reclined position as
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iAMG vehicles are equipped with a seat
with an integrated head restraint. It is
therefore not possible to set the height and
angle of the head restraint.
XSeat backrest tilt: Press the switch
forward or backward in direction of
arrow :.
XSeat height: Press the switch up or down
in direction of arrow ;.
XSeat cushion tilt: Turn handwheel =
forward or backward until your upper legs
are lightly supported.
XSeat fore and aft adjustment: Lift
handle ?.
XSlide the seat to the desired position.XAllow handle ? to reengage with an
audible click.
XCheck for proper engagement before
driving.
Power seats
The seat adjustment switch is located on the
entry side of each front seat base. The seat
adjustment switches for vehicles with
memory function are located on the front
doors.
iVehicles without memory function:
The seats can be adjusted within 5 minutes
after either front door has been opened.
The counter resets each time
Ryou open or close a front door
Ryou insert the SmartKey into the starter
switch
Ryou remove the SmartKey from the
starter switch
Ryou switch the ignition on or off
Just like in vehicles with memory function,
the power seats can be operated at any
time when the ignition is switched on.
iVehicles with memory function:
The memory function (Y page 89) lets you
store the settings for the seat position
together with the settings for the steering
wheel and the exterior rear view mirrors.
Vehicles without memory function
iAMG vehicles are equipped with a seat
with an integrated head restraint. It is
therefore not possible to set the height and
angle of the head restraint.
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The contour of the front seat backrests can
be individually adjusted to provide optimum
support for your back.
XSwitch on the ignition.XUpper back support: Use button : to
adjust the upper back support to the
desired position.
XLumbar region support: Use button ; to
adjust the lumbar region support to the
desired position.
XLateral support: Use button = to adjust
the lateral support to the desired position.
iIf, after a period of time, the seat no longer
provides the desired contour, then repeat
the adjustment procedure.
Rear seat head restraints
GWarning!
For your protection, drive only with properly
positioned head restraints.
Adjust the head restraint in such a way that it
is as close to the head as possible and the
center of the head restraint supports the back
of the head at eye level. This will reduce the
potential for injury to the head and neck in the
event of an accident or similar situation.
With a rear seat occupied, make sure to move
the respective head restraint up from the
lowest non-use position and have the
occupant adjust the head restraint properly.
Do not drive the vehicle without the seat head
restraints installed when the rear seats are
occupied. Head restraints are intended to
help reduce injuries during an accident.
Rear seat head restraint height
adjustment
XRaising: Pull head restraint upward to the
desired position.
XLowering: Press release button : and
push down on head restraint.
Rear seat head restraint fore and aft
adjustment
XAdjust the head restraint to the desired
position by pushing or pulling on the lower
edge of the head restraint cushion.
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Rear seat head restraints, removing
and installing (vehicles with split
foldable rear seat backrest)
iThe rear seat head restraints cannot be
removed on vehicles which do not have the
split foldable rear seat backrest.
XRemoving: Unlock the rear seat backrest
(Y page 204) and fold it slightly forward.
XPull head restraint to its highest position.XPress release button : and pull out head
restraint.
XInstalling: Position the head restraints so
that the notches on the rod are on the left
when looking in the direction of travel.
XInsert head restraint and push it down until
it engages.
XFold the rear seat backrest back until it
engages.
Seat heating
The red indicator lamps in seat heating
switch : come on to show which heating
level you have selected.
The seat heating switches from level 3 (high)
to level 2 after approximately 5 minutes.
The seat heating switches from level 2 to level
1 (low) after approximately 10 minutes.
After approximately 20 minutes in level 1, the
seat heating switches off automatically.
XSwitch on the ignition.XSwitching on: Press seat heating
switch :.
Three red indicator lamps in seat heating
switch : come on.
XPress seat heating switch : repeatedly
until the desired seat heating level is set.
XSwitching off: Press seat heating
switch : repeatedly until all indicator
lamps go out.
If there is insufficient voltage the seat heating
switches off automatically.
The seat heating will switch back on again
automatically as soon as sufficient voltage is
available.
Multifunction steering wheel
Safety notes
GWarning!
Do not adjust the steering wheel while driving.
Adjusting the steering wheel while driving, or
driving without the steering wheel adjustment
feature locked could cause the driver to lose
control of the vehicle.
The electrical steering wheel adjustment
feature can be operated at any time.
Therefore, do not leave children unattended
in the vehicle, or with access to an unlocked
vehicle. A child’s unsupervised access to a
vehicle could result in an accident and/or
serious personal injury.
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feature, which could result in an accident
and/or serious personal injury.
With the easy-entry/exit feature activated,
the steering wheel will return to its last set
position when you close the driver’s door with
the ignition switched on. The steering wheel
will also return to its last set position when
you insert the SmartKey into the starter
switch or press the KEYLESS-GO start/stop
button once with the driver’s door closed.
iThe last set steering wheel position is
stored when the ignition is switched off or
the position is stored in memory
(Y page 89).
With the easy-entry/exit feature activated,
the steering wheel tilts upwards when you
remove the SmartKey from the starter switch.
The steering wheel also tilts upwards when
you open the driver’s door with the SmartKey
in starter switch position 0 or 1 or the
KEYLESS-GO start/stop button in position 1.
iWhen the current position for the steering
wheel is in the uppermost tilt position, the
steering wheel will no longer be able to
move upward when the easy-entry/exit
feature is activated.
The adjustment procedure is briefly
interrupted when the engine is started.
GWarning!
Let the system complete the adjustment
procedure before setting the vehicle in
motion. All steering wheel adjustment must
be completed before setting the vehicle in
motion. Driving off with the steering wheel
still adjusting could cause the driver to lose
control of the vehicle.
Crash-responsive exit aid
When you open the driver’s door after an
accident has occurred, the steering column
moves up. The position of the SmartKey in the
starter switch is insignificant. This function
facilitates exiting as well as rescue of vehicle
occupants.
The crash-responsive exit aid can only be
triggered when the easy-entry/exit feature is
activated via the control system.
Mirrors
Notes
Adjust the interior and exterior rear view
mirrors before driving so that you have a good
view of the road and traffic conditions.
Interior rear view mirror
XAdjust the interior rear view mirror
manually.
Interior rear view mirror, antiglare
position
XTilt the mirror to the antiglare position by
moving lever : towards the windshield.
The interior rear view mirror is dimmed.
Exterior rear view mirrors
GWarning!
Exercise care when using the passenger-side
exterior rear view mirror. The mirror surface
is convex (outwardly curved surface for a
wider field of view). Objects in mirror are
closer than they appear. Check your interior
rear view mirror and glance over your
shoulder before changing lanes.
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XSwitch on the ignition.XPress button : for the driver’s side
exterior rear view mirror or button ; for
the passenger-side exterior rear view
mirror.
The indicator lamp in the respective button
comes on.
If you do not make adjustments to the
selected exterior rear view mirror within
15 seconds, the indicator lamp goes out.
You will then have to select the desired
exterior rear view mirror again before
adjustments can be made. Adjustments
can only be made with the indicator lamp
for the respective exterior rear view mirror
button illuminated.
XPress adjustment button = up, down, left
or right according to the desired setting.
! If an exterior rear view mirror was forcibly
hit from the front, manually snap it back
into place.
iAt low ambient temperatures, the exterior
rear view mirrors will be heated
automatically.
Auto-dimming rear view mirrors
The exterior rear view mirror on the driver’s
side and the interior rear view mirror will
respond automatically to glare when the
ignition is switched on and incoming light
from headlamps falls on the sensor in the
interior rear view mirror.
The rear view mirrors will not react if the
automatic transmission is set to reverse gear
R (manual transmission to reverse gear) or
the interior lighting is switched on.
GWarning!
The auto dimming function does not react if
incoming light is not aimed directly at sensors
in the interior rear view mirror.
The interior rear view mirror and the exterior
rear view mirror on the driver’s side do not
react, for example, if the rear window
sunshade is in raised position.
Light hitting the mirror(s) at certain angles
(incident light) could blind you. As a result,
you may not be able to observe traffic
conditions and could cause an accident.
Exterior rear view mirror parking
position
To assist during parking maneuvers, you can
set the passenger-side exterior rear view
mirror so that you can see the rear wheel and
the road curb.
Setting and storing the parking position
XSwitch on the ignition.XPress button ;, to select the passenger-
side exterior rear view mirror.
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XShift the automatic transmission into
reverse gear R (manual transmission to
reverse gear).
The passenger-side exterior rear view
mirror moves to the preset parking
position.XAdjust the passenger-side exterior rear
view mirror with adjustment button = so
that you see the rear wheel and the road
curb.
The exterior rear view mirror parking
position is stored.
Vehicles with memory function: You can also
store the parking position using the memory
button M ? :
XSwitch on the ignition.XPress button ;, to select the passenger-
side exterior rear view mirror.XAdjust the passenger-side exterior rear
view mirror with adjustment button = so
that you see the rear wheel and the road
curb.XPress memory button M ? and within
3 seconds, press one of the arrows of
adjustment button =.
The parking position is stored if the exterior
rear view mirror does not move.
i If the exterior rear view mirror does move,
repeat the above steps. After the setting is
stored, you can move the exterior rear view
mirror again.
Calling up the parking position
XSwitch on the ignition.XPress button ;, to select the passenger-
side exterior rear view mirror.XShift the automatic transmission into
reverse gear R (manual transmission to
reverse gear).
The passenger-side exterior rear view
mirror moves to the stored parking
position.The passenger-side exterior rear view mirror
returns to its previously stored driving
position
R 10 seconds after you have put the gear
selector lever out of reverse gear R (manual
transmission out of reverse)
R immediately once your vehicle exceeds a
speed of approximately 6 mph (10 km/h)
R immediately when you press button : to
select the driver’s side exterior rear view
mirror
Power-folding exterior rear view
mirrors
This feature is only available in Canada
vehicles.
! Before you drive the vehicle through an
automatic car wash, fold in the exterior rear
view mirrors. Otherwise they may get
damaged.
Folding in and out automatically
The function must be activated in the
Convenience submenu ( Y page 136).
The exterior rear view mirrors fold in
automatically as soon as the vehicle is locked
from the outside.
The exterior rear view mirrors fold out
automatically as soon as the vehicle is
unlocked and the driver’s or front passenger
door is subsequently opened.
Resetting the automatic exterior rear
view mirror fold-in function
You need to reset the automatic exterior rear
view mirror fold-in function whenever the
battery was disconnected or discharged.
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