Controls
51Reference
At a glance
Driving tips
Communications
Navigation
Entertainment
Mobility
Programmable buttons* on steering
wheel
You can program the buttons individually.
iDrive, for principle details, refer to page16.
1.Press the button.
This opens the start menu.
2.Press the controller to open the menu.
3.Select "Vehicle settings" and press the
controller.
4.Select "Steering wheel buttons" and press
the controller.
A list of different functions appears:
>"Navigation voice instructions"
Voice instructions for the navigation
system
*
>"Air recirculation on / off"
Permanently shutting off outside air,
refer to AUC Automatic recirculated air
control on page101
>"Mute on / off"
Mutes the audio sources
>"Monitor on / off"
Switches the Control Display on/off>"Telephone list"
Display/hide phone book or last list of
stored phone numbers displayed
>"HDC on / off"
Switches HDC Hill Descent Control
* on/
off
>"Next entertainment source"
Changes audio source
5.Select the desired function unit and press
the controller.
6.Select the button if necessary and press the
controller.
You can operate the selected function using the
corresponding button.
The setting is stored for the remote control cur-
rently in use.
Operating function
Press the corresponding button on the steering
wheel.
If you have programmed "Navigation voice
instructions" for one of the buttons:
>To switch voice instructions on/off:
Hold the button down.
>To repeat the last voice instruction:
Press the button.
Controls
53Reference
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Mobility
Backrest width*
The backrest width adjustment of the
passenger seat must be opened com-
pletely. After mounting the child's seat, no
memory position may be called up and the
active backrest width adjustment must be
deactivated, otherwise the stability of the
child's seat on the front passenger seat is lim-
ited.<
1.After unlocking the vehicle, place on the
front passenger seat and close the door to
call up the memory position.
2.Completely open the backrest width adjust-
ment, refer to page44.
3.Deactivate active backrest width adjust-
ment, refer to page45.
4.Install child's seat.
Child seat security
All rear safety belts and the safety belt for the
front passenger can be locked against pulling
out to secure child restraint systems.
Locking safety belt
1.Secure the child restraint system with the
belt.
2.Pull out the belt webbing completely.
3.Allow the belt webbing to be pulled in and
pull taut against the child restraint system.
The safety belt is locked.
Unlocking safety belt
1.Open the belt buckle.
2.Remove the child restraint system.
3.Allow the belt webbing to be pulled in com-
pletely.
Child restraint system with tether strap
Sedan
There are three additional mounting points for
child restraint systems with a tether strap, refer
to arrows. Fold the corresponding mounting
point upward before using.
Sports Wagon
Three are three additional mounting points for
child restraint systems with a tether strap, refer
to arrows, under covers in the cargo area floor.
Before using, remove the corresponding cover
with a screwdriver.
Controls
55Reference
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Mobility
Sedan: rear seats with through-loading
system*
The anchorage points for the LATCH child-
restraint fixing system are located behind the
indicated protective caps. Before attaching the
LATCH child's seat, remove the protective caps
and pull the belt out of the area of the child-
restraint fixing system.
Sports Wagon: rear seats
The anchorage points for the LATCH child-
restraint fixing system are located behind the
indicated protective caps and are covered again
after the child's seat is removed.
Before attaching the LATCH child's seat, pull
the belt out of the area of the child-restraint fix-
ing system.
On trips
If the rear is equipped with side airbags,
make s ure that children do not lean o ut of
the child's seat towards the door panels. Other-
wise injuries can be caused if the side airbags
are triggered.<
Child-safety locks for rear doors
Slide down the safety lever on the rear doors:
the door can now be opened from the outside
only.
Safety switch for power windows
Always press the safety switch for the power
windows, refer to page40, when children are
riding in the rear of the vehicle.
Controls
57Reference
At a glance
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Communications
Navigation
Entertainment
Mobility
Starting engine
Do not run the engine in closed rooms,
otherwise the inhaling of toxic exhaust
gases can cause unconsciousness and death.
The exhaust gases contain carbon monoxide,
an odorless and colorless, but highly toxic gas.
Never leave an unattended vehicle with the
engine running, as such a vehicle represents a
potential safety hazard.
Before leaving the vehicle with the engine run-
ning, set the selector lever to the idling or the
P position and set the handbrake, otherwise the
vehicle can begin to roll.<
When starting the engine, do not press the
accelerator pedal.
Do not allow the engine to warm up by leaving it
running while the vehicle remains stationary.
Instead, begin to drive immediately at a moder-
ate engine speed.
Manual transmission
1.Apply the handbrake.
2.Depress the clutch pedal and select the
idling position.
3.Briefly press Start/Stop button.
The system responds by automatically engag-
ing the starter for a certain period and automat-
ically disengaging it as soon as the engine
starts.
Automatic transmission with
Steptronic*
1.Depress brake pedal.
2.Briefly press the Start/Stop button.
The system responds by automatically engag-
ing the starter for a certain period and automat-ically disengaging it as soon as the engine
starts.
SMG Sequential Manual Gearbox*
1.Depress brake pedal.
2.Engage the selector lever position N and
make sure that this position is also indi-
cated in the instrument cluster.
3.Briefly press Start/Stop button.
The system responds by automatically engag-
ing the starter for a certain period and automat-
ically disengaging it as soon as the engine
starts.
If the engine fails to start, depress the
brake pedal and press the selector lever
to the right then engage the position N. Watch
the display in the instrument cluster while doing
so.<
Special starting conditions
Depress the accelerator pedal half way when
starting the engine in the following situations:
>The engine fails to start on the first attempt,
e.g. if it is very hot or cold.
>The engine is started at very low tempera-
tures, below approx. + 57/– 156, at high
altitudes, over approx. 3,300 ft/1,000 m.
Avoid frequent starting in quick succes-
sion or repeated start attempts in which
the engine does not start. Otherwise, the fuel is
not burned or inadequately burned and there is
a danger of overheating and damaging the cat-
alytic converter.<
Switching off engine
Do not remove the remote control from
the ignition lock while the vehicle is roll-
ing, otherwise the steering wheel lock would
engage while steering.
When leaving the vehicle, always take the
remote control with you. When parking on a
downhill slope, apply the handbrake, otherwise
the vehicle could roll.<
Controls
59Reference
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Mobility
Reverse gear
Select only when the vehicle is stationary.
When pressing the gearshift lever to the left,
overcome some resistance.
The backup lamps switch on automatically with
the ignition switched on.
SMG Sequential Manual
Gearbox*
The concept
The SMG Sequential Manual Gearbox is an
automated manual transmission in which an
electrohydraulic system handles the clutching
and gear changes.
You operate SMG with the selector lever in the
center console and two shift paddles on the
steering wheel.
It offers you the following functions:
>Optional manual or automatic operation:
Sequential mode or Drive mode
>You have a choice of two driving programs:
Normal or Sport, refer to Dynamic Driving
Control page60
>Automatic downshifting and prevention of
incorrect shifting even in sequential opera-
tion
>Acceleration assistant, refer to page61.
Selector lever positions
The current selector lever position is displayed
on the center console.
>R: Reverse gear
>N: Neutral>One-touch functions for Sequential mode:
+: manual upshifting
–: manual downshifting
>D: activate/deactivate the Drive mode
The transmission automatically shifts
into N if the driver's door is opened with
the engine running and neither the pedals, the
shift paddles nor the selector lever are oper-
ated.
This is indicated by an acoustic signal and the
flashing display N in the instrument cluster.<
Gear display
R N 1 to 6
The currently engaged gear is displayed, pre-
ceded by a D in Drive mode.
It is only possible to recognize whether
the desired selector lever position is
engaged with this display.<
Shiftlock
Press the brake pedal before shifting out of N;
the shift command will not be executed unless
the brake is applied.
R Reverse
Select only when the vehicle is stationary.
Sequential mode
After every engine start, as soon as the selector
lever is pushed to the right and the brake pedal
is pressed, the Sequential mode is activated.
You can shift up and down using the shifting
paddles or the selector lever. You do not need
to remove your foot from the accelerator to do
so.
Controls
63Reference
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Mobility
Triple turn signal activation
Press the lever to the resistance point; the turn
signal flashes three times.
You can activate or deactivate this function.
iDrive, for principle details, refer to page16.
1.Open the start menu.
2.Press the controller to open the menu.
3.Select "Vehicle settings" and press the
controller.
4.Select "Lighting" and press the controller.
5.Select "Triple turn signal activation" and
press the controller.
Triple turn signaling is activated.
Wiper system
1Switching on wipers
2Switching off wipers or brief wipe
3Activating/deactivating rain sensor
4Cleaning windshield and headlamps
5Adjusting rain sensor
sensitivity level
Switching on wipers
The lever automatically returns to its initial posi-
tion when released.
Normal wiper speed
Press once.
The system reverts to operation in the intermit-
tent mode when the vehicle is stationary.
Fast wiper speed
Press twice or press beyond the resistance
point.
The system reverts to normal speed when the
vehicle is stationary.
Rain sensor
The wiper operation is controlled automatically
as a function of the rain intensity. The rain sen-
sor is located on the windshield, directly in front
of the interior rearview mirror.
Activating rain sensor
Press the button, arrow3. The LED in the but-
ton lights up.
Adjusting rain sensor sensitivity level
Turn the knurled wheel5.
Deactivating rain sensor
Press the button again, arrow3. The LED goes
out.
Deactivate the rain sensor when passing
through an automatic car wash. Failure to
do so could result in damage caused by undes-
ired wiper activation.<
Cleaning windshield and headlamps*
The system sprays washer fluid against the
windshield and activates the wipers for a brief
period.
Controls
65Reference
At a glance
Driving tips
Communications
Navigation
Entertainment
Mobility
One lever for all functions
1Maintaining speed, storing speed, and
accelerating
2Maintaining speed, storing speed, and
decelerating
3Interrupting cruise control
4Resuming stored speed
Maintaining speed, storing speed,
and accelerating
Press lever to resistance point, arrow 1:
The speed currently being driven is maintained
and stored. The display1 in the speedometer,
see below, indicates this regulated speed.
Every time you press the lever, the vehicle's
speed increases by roughly 1 mph/1 km/h.
Press lever to resistance point for a longer time:
The vehicle accelerates without pressure on
the accelerator pedal. The system maintains
and stores your current speed as soon as you
release the lever.
Press the lever beyond the resistance point:
increase speed by 5 mph/10 km/h.
If, on a downhill grade, the engine's braking
effect is not sufficient, the controlled speed can
be exceeded. Speed can drop on uphill grades if
the engine output is insufficient.
Maintaining speed, storing speed, and
decelerating
Pull the lever, arrow2:
Functions are the same as1, only the vehicle
speed is reduced.
Interrupting cruise control
Press the lever up or down, arrow3.
In addition, cruise control is automatically deac-
tivated:
>When the brakes are applied
>When the clutch pedal is depressed or the
automatic transmission/SMG is shifted into
the N position
>When the DSC comes on
Resuming stored speed
Press button4:
The stored speed is resumed and maintained.
Deactivating system
When the ignition is switched off, the system is
deactivated and the stored speed is deleted.
Displays in instrument cluster
1Stored desired speed
2Selected desired speed appears briefly
Active cruise control*
The concept
With active cruise control, you can select a
desired speed which is not only automatically
maintained when driving on open roadways, but
also varied to maintain a selected distance set-
ting as slower traffic is encountered.
Active cruise control is technologically
advanced over the familiar cruise control and is
a welcome relief from the constant adjustment
of speed that can accompany driving in traffic
on freeways or other high-speed thorough-
Driving
66 fares. Especially on longer trips, the system can
reduce fatigue and tension, while increasing
your enjoyment of driving. Please use it safely
and responsibly.
In addition to holding a steady cruising speed,
if you encounter slower vehicles ahead, active
cruise control will, within the scope of given
possibilities, adjust your vehicle's speed auto-
matically so that you can flow with the traffic
without having to make constant adjustments.
If, for example, while cruising at the selected
speed, you begin to approach a slower vehicle
ahead of you in the same lane, the system will
reduce your vehicle's speed to the same as that
of the vehicle ahead to maintain your selected
distance setting between your vehicle and the
vehicle ahead. You can vary the distance, which
is additionally speed-dependent. Based on
your selected distance setting, the system
automatically decreases the throttle setting and
lightly applies the brakes if necessary. The vehi-
cle brake lamps will automatically illuminate to
signal a following driver to take action. In addi-
tion, it may be necessary for the vehicle or the
driver to downshift, depending on the kind of
transmission your vehicle is equipped with, to
maintain the distance setting selected. If the
vehicle ahead speeds up or when the lane
ahead becomes clear, your vehicle will acceler-
ate to the speed you have selected by increas-
ing the throttle setting and shifting gears auto-
matically or by the driver as needed. Your
selected speed will be held when driving down-
hill, too.
Active cruise control is not and must not
be used as a collision avoidance/warning
system.<
Since this active cruise control system is
a new technology and operates differ-
ently from conventional cruise control systems
which you may be accustomed to, you are
strongly urged to read all of the pages relating
to this system before use. Pay special attention
to the information contained in the Things to
know about active cruise control section begin-
ning on page69.<
Navigation system Professional*
If a navigation DVD is in the drive, refer to
page124, the system adjusts the accelerating
and braking behavior of the vehicle to the road
you are driving on.
When the vehicle position is unknown, e.g.
when you leave the map area, this influence of
the navigation system is not available.
Manual transmission
You can shift with the cruise control activated.
Shifting information is provided or the system
deactivates itself if you drive at very high or very
low engine speeds for a longer period.
SMG
In the Sequential mode, shifting information is
provided or the system deactivates itself if you
drive at very high engine speeds for a longer
period.
In the Drive mode the SMG acts similarly to an
automatic transmission in the D position.
Operating active cruise control
1Store and increase desired speed
2Store and decrease desired speed
3Deactivate system, refer to page68
4Resume stored desired speed and dis-
tance, refer to page68
5Select distance to vehicle driving ahead,
refer to page67
Maintaining current speed
Briefly press lever, arrow1, or briefly pull,
arrow2, at a driving speed of more than approx.
20 mph or 30 km/h.