Safety mode
After the engine switches off automatically, it
will not start again automatically if any one of
the following conditions are met.▷The driver's safety belt is unbuckled and
the driver's door is open.▷The hood was unlocked.
Some indicator lamps light up for varying
lengths of time.
The engine can only be started via the Start/
Stop button.
Note Even if driving away was not intended, the de‐
activated engine starts up automatically in the
following situations:
▷Excessive warming of the passenger com‐
partment when the cooling function is
switched on.▷The steering wheel is turned.▷Automatic transmission: the transmission
position is changed from D to N, R, or M/S.▷Automatic transmission: the transmission
position is changed from P to N, D, R or
M/S.▷Fogging of the windows when the auto‐
matic climate control is switched on.▷Vehicle battery is heavily discharged.▷Excessive cooling of the passenger com‐
partment when the heating is switched on.Activating/deactivating the system
manually
Using the button
Press the button.
▷LED comes on: Auto Start Stop function is
deactivated.
The engine is started during an automatic
engine stop.
The engine can only be stopped or started
via the Start/Stop button.▷LED goes out: Auto Start Stop function is
activated.
Switching off the vehicle during an
automatic engine stop
During an automatic engine stop, the vehicle
can be switched off permanently, e.g., when
leaving it.
1.Press the Start/Stop button. The ignition is
switched off. The Auto Start/Stop function
is deactivated.
Transmission position P is engaged auto‐
matically.2.Set the parking brake.
Engine start as usual via Start/Stop button.
Automatic deactivation
In certain situations, the Auto Start/Stop func‐
tion is deactivated automatically for safety rea‐
sons, such as when the driver is detected to be
absent.
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Malfunction
The Auto Start/Stop function no longer
switches of the engine automatically. A Check
Control message is displayed. It is possible to
continue driving. Have the system checked.
Parking brake The conceptThe parking brake is used to prevent the vehi‐
cle from rolling when it is parked.
Setting
Pull the switch.
The LED lights up.
The indicator lamp lights up red. The
parking brake is set.
Lower lamp: indicator lamp in Canadian
models
Set the parking brake and further secure
the vehicle as required
Set the parking brake firmly when parking; oth‐
erwise, the vehicle could roll. On steep upward
and downward inclines, further secure the ve‐
hicle, for example, by turning the steering
wheel in the direction of the curb. ◀
While driving
Use while driving serves as an emergency
braking function:
Pull the switch and hold it. The vehicle brakes
hard while the switch is being pulled.
The indicator lamp lights up red, a sig‐
nal sounds and the brake lamps light
up.
Lower lamp: indicator lamp in Canadian
models.
If the vehicle is braked to a speed of approx.
2 mph/3 km/h, the parking brake remains set.
Releasing
With the ignition switched on:
Automatic transmission: Press the
switch while the brake is pressed or
transmission position P is engaged.
The LED and indicator lamp go out.
The parking brake is released.
Automatic Release in cars with
automatic transmission
For automatic release, operate the accelerator
pedal.
The LED and indicator lamp go out.
Subject to the following requirements, the
parking brake is automatically released by op‐
eration of the accelerator pedal:▷Engine on.▷Drive position engaged.▷Driver buckled in and doors closed.
Inadvertent operation of the accelerator
pedal
Make sure that the accelerator pedal is not op‐
erated unintentionally; otherwise, the vehicle is
set in motion and there is a risk of an acci‐
dent.◀
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Parking
The parking brake is automatically set if the
engine is switched off while the vehicle is be‐
ing held by Automatic Hold.
The indicator lamp changes from green
to red.
The parking brake is not set if the en‐
gine is switched off while the vehicle is
coasting to a halt. Automatic Hold is
deactivated.
Lower lamp: indicator lamp in Canadian mod‐
els
Automatic Hold remains activated during the
engine stop brought about by the Auto Start/
Stop function.
Take the remote control with you
Take the remote control with you when
leaving the vehicle so that children, for exam‐
ple, cannot release the parking brake.◀
Malfunction
In the event of a failure or malfunction of the
parking brake, secure the vehicle against roll‐
ing using a wheel chock, for example, when leaving it.
Manual release
The parking brake can be released manually in
the event of a power failure or electrical fault.
Before releasing, secure the vehicle
against rolling
Before releasing the parking brake manually,
and whenever you park the vehicle with the
parking brake released, ensure that position P
of the automatic transmission is engaged.
Secure the vehicle in a manner appropriate to
the inclination of the road, e.g., with a wheel
chock; otherwise, there is the danger of the ve‐
hicle rolling.◀Unlocking
Have the malfunction corrected
If the parking brake has been released
manually in response to a malfunction, only
technicians can return it to operation.
Have the malfunction corrected by your serv‐
ice center.◀
After a power failure Only put the parking brake into operation
after a power failure
The parking brake should only be put into op‐
eration again if it was manually released due to
an interruption in the supply of electrical
power. Otherwise, it cannot be ensured that
the parking brake will function properly.◀
Putting the parking brake into
operation1.Switch on the ignition.2. Press the switch while the brake is
depressed or transmission position P is
engaged.
It may take several seconds for the brake to be
put into operation. Any sounds associated with
this are normal.
The indicator lamp in the instrument
cluster goes out as soon as the parking
brake is ready for operation.
Lower lamp: indicator lamp in Canadian
models.
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All washer nozzles are supplied from one res‐
ervoir.
Fill with a mixture of windshield washer con‐
centrate and tap water and – if required – with a
washer antifreeze, according to the manufac‐
turer's recommendations.
Mix the washer fluid before adding to maintain
the correct mixing ratio.
Do not add windshield washer concentrate and
antifreeze undiluted and do not fill with pure
water; this could damage the wiper system.
Do not mix window washer concentrates of dif‐
ferent manufacturers, because otherwise it can
result in clogging of the windshield washer
nozzles.
For the capacity, refer to technical data.
Automatic transmission with
Steptronic
Transmission positions
D Drive, automatic position
Position for normal vehicle operation. All for‐
ward gears are available.
R is Reverse
Select only when the vehicle is stationary.
N is NeutralUse in automatic car washes, for example. The
vehicle can roll.
When the ignition is switched off, refer to
page 58, position P is engaged automatically.
P Park Select only when the vehicle is stationary. The
drive wheels are blocked.
P is engaged automatically:▷After the engine is switched off when the
vehicle is in radio ready state, refer to
page 59, or when the ignition is switched
off, refer to page 58, and when position R
or D is engaged.▷With the ignition is off, if position N is en‐
gaged.▷If the safety belt is unbuckled, the driver's
door is opened, and the brake pedal is not
pressed while the vehicle is stationary and
transmission position R or D is engaged.
Before exiting the vehicle, make sure that posi‐
tion P of the automatic transmission is en‐
gaged. Otherwise, the vehicle may begin to
roll.
Kickdown
Kickdown is used to achieve maximum driving
performance. Press on the gas pedal beyond
the resistance point at the full throttle position.
Engaging the transmission position
▷Transmission position P can only be disen‐
gaged if the engine is running and the
brake pedal is pressed.▷With the vehicle stationary, press on the
brake pedal before shifting out of P or N;
otherwise, the shift command will not be
executed: shift lock.
Depress the brake until you start
driving
To prevent the vehicle from creeping after
you select a driving position, maintain
pressure on the brake pedal until you are
ready to start.◀Seite 68ControlsDriving68
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Engaging D, R and N
Briefly push the selector lever in the desired di‐
rection, beyond a resistance point if necessary.
After releasing the selector lever, it returns to
its center position.
Press unlock button, in order to:
▷Engage R.▷Shift out of P.
Engaging P
Press button P.
Sport program and manual mode
Activating the sport program
Push the selector lever to the left out of trans‐
mission position D.
In the instrument cluster, DS is displayed, or
the engaged gear, e.g., S1 with the Sport auto‐
matic transmission.
The sport program of the transmission is acti‐
vated.
Activating the M/S manual mode
1.Push the selector lever to the left out of
transmission position D.2.Push the selector lever forward or pull it
backward.
Manual mode becomes active and the gear is
changed.
The engaged gear is displayed in the instru‐
ment cluster, e.g., M1.
Once maximum engine speed is attained, or if
the engine is getting too hot, M/S manual
mode is automatically upshifted as needed.
Switching to manual mode
▷To shift down: press the selector lever for‐
ward.▷To shift up: pull the selector lever rear‐
wards.
Gears will only be shifted at appropriate engine
and road speeds and when necessary due to
the temperature of the drivetrain, e.g., down‐
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shifting is not possible if the engine speed is
too high.
The selected gear is briefly displayed in the in‐
strument cluster, followed by the current gear.
Sport automatic transmission: prevent
automatic upshifting in M/S manual
mode
For vehicles with Sport automatic transmis‐
sions, automatic shift operations are not per‐
formed, at maximum engine speed for exam‐
ple, if one of the following conditions is met:▷DSC deactivated.▷TRACTION activated.▷SPORT+ activated.
In addition, the kickdown is deactivated.
Ending the sport program/manual
mode
Push the selector lever to the right.
D is displayed in the instrument cluster.
Shift paddles
The shift paddles on the steering wheel allow
you to shift gears quickly while keeping both
hands on the steering wheel.
If the shift paddles on the steering wheel are
used to shift gears in automatic mode, the
transmission temporarily switches to manual
mode.
If the shift paddles are not used and the vehicle
is not accelerated for a certain time, the sys‐
tem switches back into automatic mode if the
selector lever is in transmission position D.
▷Shift up: pull right shift paddle.▷Shift down: pull left shift paddle.
Gears will only be shifted at appropriate engine
and road speeds, e.g., downshifting is not pos‐
sible if the engine speed is too high.
The selected gear is briefly displayed in the in‐
strument cluster, followed by the current gear.
Shift lights in the instrument display
The concept Shift lights display the optimum shift point for
sport displays in the multifunction instrument
display. Thus, with a sporty driving style, the
best possible vehicle acceleration is achieved.
Display in the instrument display
▷Current engine speed is displayed in the
tachometer.▷Arrow 1: successive yellow illuminated
fields indicate the upcoming upshift mo‐
ment.▷Arrow 2: fields are illuminated in red. Do
not wait any further to shift.
When the maximum possible speed is
reached, the entire display flashes. When the
maximum speed is exceeded, the supply of
fuel is interrupted in order to protect the en‐
gine. Speeds in this range must be avoided.
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Displays in the instrument clusterThe transmission position is dis‐
played, e.g.: P.Seite 71DrivingControls71
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Electronic displays
Overview, instrument cluster1Messages, e.g. Check Control 76
Time 792Range 793Computer 834Navigation display, see user's manual for
Navigation, Entertainment and Communi‐
cation.
Service requirements 80Miles/trip miles 795Selection list, e.g., radio 83
Current fuel consumption 80
Energy recovery 80
External temperature 79
Transmission display 71Multifunctional instrument
display
The concept The instrument dispaly is a variable display.
When the driving mode is changed, the ap‐pearance is changed to reflect the new driving
mode. The change of appearance can be de‐
activated in the Control Display.
Some of the displays in the instrument display
may differ from the way they are shown in this
owner's manual.Seite 73DisplaysControls73
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