
securely against the backrest. If possible, ad‐
just the backrest tilt for all affected backrests
and correctly adjust the seats. Make sure that
seats and backrests are securely engaged. If
possible, adjust the height of the head re‐
straints or remove them.◀
Installing child restraint
systems
Before mounting Before mounting child restraint systems, en‐
sure that the rear seat backrests are locked.
Move the rear seats into the rearmost position
to facilitate assembly of the child restraint sys‐
tem.
Information Pay attention to the specifications of the child
restraint system manufacturer when selecting,
installing, and using child restraint systems.
WARNING
The stability of the child restraint system
is limited or compromised with incorrect seat adjustment or improper installation of the child
seat. There is risk of injuries or danger to life.
Make sure that the child restraint system fits
securely against the backrest. If possible, ad‐
just the backrest tilt for all affected backrests
and correctly adjust the seats. Make sure that
seats and backrests are securely engaged. If
possible, adjust the height of the head re‐
straints or remove them.◀
WARNING
There is limited protection provided if
child restraint systems are used on the third
row of seats. There is risk of injuries or danger
to life. Do not install child restraint systems on
the third row of seats.◀On the front passenger seat
Deactivating airbags WARNING
Active front-seat passenger airbags can
injure a child in a child restraint system when
the airbags are activated. There is risk of inju‐
ries. Make sure that the front-seat passenger
airbags are deactivated and that the PASSEN‐
GER AIRBAG OFF indicator lamp lights up.◀
After installing a child restraint system in the
front passenger seat, make sure that the front,
knee and side airbags on the front passenger
side are deactivated.
Deactivate the front-seat passenger airbags
automatically, refer to page 111.
Seat position and height
Before installing a child restraint system, move
the front passenger seat as far back as possi‐
ble and adjust its height to the highest and
thus best possible position for the belt and to
offer optimal protection in the event of an acci‐
dent.
If the upper anchorage of the safety belt is lo‐
cated in front of the belt guide of the child seat,
move the passenger seat carefully forward un‐
til the best possible belt guide position is
reached.
Backrest width Adjustable backrest width: before installing a
child restraint system in the front passenger
seat, open the backrest width completely. Do
not change the backrest width again and do
not call up a memory position.Seite 65Transporting children safelyControls65
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Child seat security
The rear safety belts and the front passenger
safety belt can be permanently locked to fas‐
ten child restraint systems.
The front passenger safety belt can be perma‐
nently locked to fasten child restraint systems.
Locking the safety belt1.Pull out the strap completely.2.Secure the child restraint system with the
belt.3.Allow the strap to be pulled in and pull it
tight against the child restraint system.
The safety belt is locked.
Unlocking the safety belt
1.Unbuckle the belt buckle.2.Remove the child restraint system.3.Allow the strap to be pulled in completely.
LATCH child restraint system
LATCH: Lower Anchors and Tether for Chil‐
dren.
Information
LATCH: Lower Anchors and Tether for Chil‐
dren.
Pay attention to the operating and safety infor‐
mation of the child restraint system manufac‐
turer when installing and using LATCH child
restraint fixing system.
Mounts for the lower LATCH anchors The lower anchors may be used to attach the
CRS to the vehicle seat up to a combined child
and CRS weight of 65 lb/30 kg when the child
is restrained by the internal harnesses.
Information WARNING
If the LATCH child restraint fixing sys‐
tems are not correctly engaged, the protective
effect of the LATCH child restraint fixing sys‐
tem can be limited. There is risk of injuries or
danger to life. Make sure that the lower an‐
chors are securely engaged and that theLATCH child restraint fixing system fits se‐
curely against the backrest.◀
Position The corresponding symbol shows the
mounts for the lower LATCH anchors. Seats equipped with lower anchors are
marked with a pair, 2, of LATCH sym‐
bols. It is not recommended to use the
inner lower anchors of standard outer
LATCH positions to fasten a child restraint
system on the middle seat. Use the vehicle
seat belt instead for the middle seat.Seite 66ControlsTransporting children safely66
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DrivingVehicle features and options
This chapter describes all standard, country-
specific and optional features offered with the
series. It also describes features that are not
necessarily available in your car, e. g., due to
the selected options or country versions. This
also applies to safety-related functions and
systems. The respectively applicable country
provisions must be observed when using the
respective features and systems.
Start/Stop button The concept Pressing the Start/Stop button
switches the ignition on or off
and starts the engine.
The engine starts with the brake
pedal pressed when you press
the Start/Stop button.
Ignition on Press the Start/Stop button, and do not press
on the brake pedal at the same time.
All vehicle systems are ready for operation.
Most of the indicator and warning lights in the
instrument cluster light up for a varied length
of time.
To save battery power when the engine is off,
switch off the ignition and any unnecessary
electronic systems/power consumers.
Ignition offPress the Start/Stop button again without
stepping on the brake.
All indicator lights in the instrument cluster go
out.To save battery power when the engine is off,
switch off the ignition and any unnecessary
electronic systems/power consumers.
Information
When switching off the ignition, the selector
lever position P is selected automatically if the
selector lever position D or R is selected.
The ignition is switched off automatically in the
following situations while the vehicle is station‐
ary and the engine is off:▷When locking the vehicle, and when the
low beams are activated.▷Shortly before the battery is discharged
completely, so that the engine can still be
started.▷When opening or closing the driver door, if
the driver's safety belt is unbuckled and
the low beams are turned off.▷While the driver's safety belt is unbuckled
with driver's door open and low beams off.
The low beams switch to parking lights after
approx. 15 minutes of no use.
Radio ready state
Activate radio-ready state: when the engine is
running: press the Start/Stop button.
Some electronic systems/power consumers
remain ready for operation.
The radio-ready state is switched off automati‐
cally in the following situations:
▷After approx. 8 minutes.▷When the vehicle is locked using the cen‐
tral locking system.▷Shortly before the battery is discharged
completely, so that the engine can still be
started.Seite 69DrivingControls69
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WARNING
An unsecured vehicle can put itself into
motion and roll away. There is risk of an acci‐
dent. Before exiting, secure the vehicle against
rolling.
In order to ensure that the vehicle is secured
against rolling away, observe the following:▷Set the parking brake.▷On uphill grades or on a slope, turn the
front wheels in the direction of the curb.▷On uphill grades or on a slope, also secure
the vehicle, e.g. with a wheel chock.◀
Before driving into a car wash
So that the vehicle can roll into a car wash ob‐
serve instructions for going into an automatic
car wash, refer to page 254.
Steptronic transmission
Switching off the engine
1.Engage selector lever position P with the
vehicle stopped.2.Press the Start/Stop button.
The engine is switched off.
The radio-ready state is switched on.3.Set the parking brake.
Auto Start/Stop function
The concept The Auto Start/Stop function helps save fuel.
The system switches off the engine during a
stop, e.g., in traffic congestion or at traffic lights. The ignition remains switched on. The
engine starts again automatically for driving
off.
Automatic mode After every start of the engine using the Start/
Stop button, the Auto Start/Stop function is in
the last selected state, refer to page 72.
When the Auto Start/Stop function is active, it
is available when the vehicle is traveling faster
than about 3 mph, approx. 5 km/h.
Engine stop The engine is switched off automatically dur‐
ing a stop under the following conditions:
Steptronic transmission:▷The selector lever is in selector lever posi‐
tion D.▷The brake pedal remains pressed while the
vehicle is stationary or the vehicle is held
by Automatic Hold.▷The driver's safety belt is buckled or the
driver's door is closed.
The air flow from the air conditioner is reduced
when the engine is switched off.
Displays in the instrument cluster The display indicates that the
Auto Start/Stop function is
ready for an Automatic engine
start.
The display indicates that the conditions for an automatic en‐
gine stop have not been met.
Functional limitations The engine is not switched off automatically in
the following situations:
▷External temperature too low.▷The external temperature is high and auto‐
matic climate control is running.▷The car's interior has not yet been heated
or cooled to the required level.▷The engine is not yet at operating temper‐
ature.▷The wheels are at a sharp angle or the
steering wheel is being turned.Seite 71DrivingControls71
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▷After driving in reverse.▷Fogging of the windows when the auto‐
matic climate control is switched on.▷Vehicle battery is heavily discharged.▷At higher elevations.▷The engine compartment lid is unlocked.▷HDC Hill Descent Control is activated.▷The parking assistant is activated.▷Stop-and-go traffic.▷Selector lever in selector lever position N,
M/S or R.▷Use of fuel with high ethanol content.
Starting the engine
The engine starts automatically under the fol‐
lowing conditions:
▷Steptronic transmission:
By releasing the brake pedal.
When Automatic Hold is activated: press
the accelerator pedal.
After the engine starts, accelerate as usual.
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 lights light up for a varied
length of time.
The engine can only be started via the Start/
Stop button.
Functional limitations
Even if driving off was not intended, the deacti‐
vated engine starts up automatically in the fol‐
lowing situations:
▷Excessive warming of the car's interior
when the cooling function is switched on.▷The steering wheel is turned.▷Steptronic transmission: change from se‐
lector lever position D to R, N or M/S.▷Steptronic transmission: change from se‐
lector lever position 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 car's interior when
the heating is switched on.
Activating/deactivating the system
manually
Using the button
Press 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.Seite 72ControlsDriving72
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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.
Selector lever position P is engaged auto‐
matically.2.Set the parking brake.
Engine start as usual via Start/Stop button.
Automatic deactivation
In certain situations, Auto Start/Stop function
is deactivated automatically for safety reasons
as if the driver were absent.
Malfunction
The Auto Start/Stop function no longer
switches off the engine automatically. A Check
Control message is displayed. It is possible to
continue driving. Have the system checked.
Parking brake The concept
The parking brake is used to prevent the vehi‐
cle from rolling when it is parked.
Overview
Parking brake
Setting WARNING
An unsecured vehicle can put itself into
motion and roll away. There is risk of an acci‐
dent. Before exiting, secure the vehicle against
rolling.
In order to ensure that the vehicle is secured
against rolling away, observe the following:▷Set the parking brake.▷On uphill grades or on a slope, turn the
front wheels in the direction of the curb.▷On uphill grades or on a slope, also secure
the vehicle, e.g. with a wheel chock.◀
WARNING
Unattended children or animals can
move the vehicle and endanger themselves
and traffic, e.g. with the following actions:
▷Pressing the Start/Stop button.▷Releasing the parking brake.▷Opening and closing of doors or windows.▷Shifting the selector lever into neutral.▷Using vehicle equipment.
There is risk of accidents or injuries. Do not
leave children or animals unattended in the ve‐
hicle. Carry remote control along when exiting
and lock the vehicle.◀
Pull the switch.
The LED lights up.
The indicator lamp lights up red. The
parking brake is set.
While driving
Use as emergency brake while driving:
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 lights light
up.
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A Check Control message is displayed.
If the vehicle is slowed down to a speed of ap‐
prox. 2 mph/3 km/h the parking brake is set.
Releasing
With the ignition switched on:
Steptronic transmission: Press the
switch while the brake is pressed or se‐
lector lever position P is set.
The LED and indicator lamp go out.
The parking brake is released.
Automatic release in cars with
Steptronic transmission
For automatic release, step on the accelerator
pedal.
The LED and indicator lamp go out.
The parking brake is automatically released
when you step on the accelerator:▷Engine on.▷Drive mode engaged.▷Driver buckled in and doors closed.
Automatic Hold
The concept This system assists the driver by automatically
setting and releasing the brake, such as when
moving in stop-and-go traffic.
The vehicle is automatically held in place when
it is stationary.
On inclines, the system prevents the vehicle
from rolling backward when driving off.
Overview
Automatic Hold
Safety information WARNING
An unsecured vehicle can put itself into
motion and roll away. There is risk of an acci‐
dent. Before exiting, secure the vehicle against
rolling.
In order to ensure that the vehicle is secured
against rolling away, observe the following:
▷Set the parking brake.▷On uphill grades or on a slope, turn the
front wheels in the direction of the curb.▷On uphill grades or on a slope, also secure
the vehicle, e.g. with a wheel chock.◀
Under the following conditions, Automatic
Hold is automatically deactivated and the park‐
ing brake is set:
▷The engine is switched off.▷A door is opened and driver's safety belt is
unbuckled while the vehicle is stationary.▷The moving vehicle is brought to a stand‐
still using the parking brake.
The indicator lamp switches from
green to red and the letters AUTO H go out.
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▷On uphill grades or on a slope, turn the
front wheels in the direction of the curb.▷On uphill grades or on a slope, also secure
the vehicle, e.g. with a wheel chock.◀
The parking brake can be released manually in
the event of a power failure or electrical fault.
Unlocking If the parking brake has been released man‐
ually in response to a malfunction, only quali‐
fied technicians should return it to operation.
1.Open the left side trim in the trunk.2.Remove the first-aid kit and warning trian‐
gle.3.Insert the screwdriver from the onboard
vehicle tool kit under the cargo floor panel
into the strap of the release point, see ar‐
row.4.Forcefully pull the screwdriver up against
the mechanical resistance until you notice
a marked increase in the resistance and
the parking brake releases audibly.5.Stow the screwdriver, warning triangle and
first-aid kit, and close the left side trim in
the trunk.
After a power failure
WARNING
The function of the parking brake is not
ensured if it was unlocked manually without
power loss. There is risk of an accident. Only
operate the parking brake if it was unlocked
manually due to a power loss.◀
Putting the parking brake into
operation1.Switch on the ignition.2. Press the switch while stepping on
the brake pedal or selector lever position P
is set.
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.
Turn signal, high beams, headlight flasher
Turn signal
Turn signal in exterior mirror When driving and during operation of the turn
signals or hazard warning system, do not fold
in the exterior mirrors, so that the signal lights on the exterior mirror are easy to see.
Using turn signals
Press the lever beyond the resistance point.
The turn signal lever returns into is starting po‐
sition after actuation.
To switch off manually, slightly tap the lever to
the resistance point.
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