
DrivingVehicle features and op‐
tions
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 sys‐
tems. The respectively applicable country provi‐
sions must be observed when using the respec‐
tive features and systems.
Start/Stop button The concept Pressing the Start/Stop button
switches the ignition on or off
and starts the engine.
Steptronic transmission: the en‐
gine starts in selector lever posi‐
tion P or N with the brake pedal pressed when
you press the Start/Stop button.
Manual transmission: the engine starts with the
clutch pedal pressed when the Start/Stop but‐
ton is pressed.
Ignition on Manual transmission: press the Start/Stop but‐
ton without stepping on the clutch pedal.
Steptronic transmission: 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 off
Manual transmission: press the Start/Stop but‐
ton again without stepping on the clutch pedal.
Steptronic transmission: shift to selector lever
position P, press 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.
The ignition is switched off automatically in the
following situations while the vehicle is station‐
ary and the engine is off:▷During locking, also with the low beams ac‐
tivated.▷Shortly before the battery is discharged
completely, so that the engine can still be
started. This function is only available when
the low beams are turned off.▷When opening and 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 af‐
ter 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 re‐
main ready for operation.
The radio-ready state is switched off automati‐
cally in the following situations:
Seite 66CONTROLSDriving66
Online Edition for Part no. 01 40 2 969 276 - II/16

▷After approx. 8 minutes.▷When the vehicle is locked using the central
locking system.▷Shortly before the battery is discharged
completely, so that the engine can still be
started.
The radio-ready state remains active if, for ex‐
ample, the ignition is automatically switched off
for the following reasons:
▷Opening or closing the driver's door.▷Unfastening of the driver's safety belt.▷When automatically switching from low
beams to parking lights.
If the engine is switched off and the ignition is
switched on, the system automatically switches
to the radio-ready state if the lights are turned
off or, if correspondingly equipped, the day‐
time running lights are activated.
Starting the engine
Information DANGER
If the exhaust pipe is blocked or ventila‐
tion is insufficient, harmful exhaust gases can
enter into the vehicle. The exhaust gases con‐
tain carbon monoxide, an odorless and color‐
less but highly toxic gas. In enclosed areas, ex‐
haust gases can also accumulate outside of the
vehicle. There is danger to life. Keep the ex‐
haust pipe free and ensure sufficient ventila‐
tion. ◀
WARNING
An unsecured vehicle can begin to move
and possibly 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 downhill slope,
turn the front wheels in the direction of the
curb.▷On uphill grades or on a downhill slope,
also secure the vehicle, e.g., with a wheel
chock. ◀
ATTENTION
In the case of repeated starting attempts
or repeated starting in quick succession, the
fuel is not burned or is inadequately burned.
The catalytic converter can overheat. There is a
risk of damage to property. Avoid repeated
starting in quick succession. ◀
Steptronic transmission
Starting the engine
1.Depress the brake pedal.2.Engage selector lever position P or N.3.Press the Start/Stop button.
The ignition is activated automatically for a cer‐
tain time and is stopped as soon as the engine
starts.
Manual transmission
Starting the engine
1.Depress the brake pedal.2.Press on the clutch pedal and shift to neu‐
tral.3.Press the Start/Stop button.
The ignition is activated automatically for a cer‐
tain time and is stopped as soon as the engine
starts.
Seite 67DrivingCONTROLS67
Online Edition for Part no. 01 40 2 969 276 - II/16

Engine stop
The engine is switched off automatically during
a stop under the following conditions:
Manual transmission:▷Neutral is engaged and the clutch pedal is
not pressed.▷The driver's safety belt is buckled or the
driver's door is closed.
Steptronic transmission:
▷The selector lever is in selector lever posi‐
tion D.▷Brake pedal remains depressed while the
vehicle is stopped.▷The driver's safety belt is buckled or the
driver's door is closed.
In order to be able to release the brake pedal,
engage lever in position P. The engine remains
off.
To continue driving depress the brake pedal.
When a gear is engaged, the engine starts au‐
tomatically.
The air flow from the air conditioner is reduced
when the engine is switched off.
Displays in the instrument cluster The display indicates that theAuto 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 tempera‐
ture.▷The wheels are at a sharp angle or the
steering wheel is being turned.▷After driving in reverse.▷Fogging of the windows when the auto‐
matic climate control is switched on.▷The vehicle battery charge is very low.▷At higher elevations.▷The engine compartment lid is unlocked.▷The parking assistant is activated.▷Stop-and-go traffic.▷Selector lever in selector lever position R, N
or M/S.
Starting the engine
The engine starts automatically under the fol‐
lowing conditions:
▷Manual transmission: clutch pedal is
pressed.▷Steptronic transmission: by releasing the
brake 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.
Seite 69DrivingCONTROLS69
Online Edition for Part no. 01 40 2 969 276 - II/16

Electronic displays1Driver assistance systems
Messages, for example, Check Control
Time 85
External temperature 85
Selection lists 89
Total miles/trip odometer 85Onboard computer 892Selector lever position 75
Gear shift indicator 873Status, Driving Dynamics Control 124
StatusCheck Control
The concept
The Check Control system monitors functions in
the vehicle and notifies you of malfunctions in the monitored systems.
A Check Control message is displayed as a com‐
bination of indicator or warning lights and text
messages in the instrument cluster and in the
Head-up Display.
In addition, an acoustic signal may be output
and a text message may appear on the Control Display.Indicator/warning lights
General information
The indicator and warning lights can light up in
a variety of combinations and colors.
Several of the lights are checked for proper
functioning and light up temporarily when the
engine is started or the ignition is switched on.
Red lights Safety belt reminder Flashing or illuminated: safety belt on
the driver or passenger side is not buck‐
led. The safety belt reminder can alsoSeite 81DisplaysCONTROLS81
Online Edition for Part no. 01 40 2 969 276 - II/16

be activated if objects are placed on the front
passenger seat.
Make sure that the safety belts are positioned
correctly.
Airbag system Airbag system and belt tensioner are
not working.
Have the vehicle checked immediately
by a dealer’s service center or another qualified
service center or repair shop.
Parking brake, brake system The parking brake is set.
For additional information, refer to Re‐
lease parking brake, refer to page 71.
Front-end collision warning Illuminated: advance warning is issued,
e.g., when there is the impending dan‐
ger of a collision or the distance to the
vehicle ahead is too small.
Increase distance.
Flashing: acute warning of the imminent dan‐
ger of a collision when the vehicle approaches
another vehicle at a relatively high differential
speed.
Intervention by braking or make an evasive
maneuver.
Pedestrian warning If a collision with a person detected in
this way is imminent, the symbol lights
up and a signal sounds.Orange lights
Active Cruise Control The number bars shows the selected
distance from the vehicle driving ahead.
For more information, see Camera-
based cruise control, refer to page 126.
Vehicle detection, Active Cruise Control Illuminated: vehicle driving ahead de‐
tected.
Flashing: the conditions are not ade‐
quate for operating the system.
The system was deactivated but applies the
brakes until you actively resume control by
pressing on the brake pedal or accelerator
pedal.
Yellow lights Anti-lock Braking System ABS Avoid sudden braking as much as possi‐
ble. Braking force boost may not be
working. Stop cautiously. Take into ac‐
count the longer brake distance. Have
the system immediately checked by a
dealer’s service center or another quali‐
fied service center or repair shop.
DSC Dynamic Stability Control Flashing: DSC controls the drive and
braking forces. The vehicle is stabilized.
Reduce speed and adapt driving style to
the driving circumstances.
Illuminated: DSC failed. Have the system
checked by a dealer’s service center or another
qualified service center or repair shop.
For additional information, refer to Dynamic
Stability Control DSC, refer to page 122.Seite 82CONTROLSDisplays82
Online Edition for Part no. 01 40 2 969 276 - II/16

SafetyVehicle features and op‐
tions
This chapter describes all standard, country-
specific and optional features offered with the
series. It also describes features that are notnecessarily available in your car, e. g., due to
the selected options or country versions. This
also applies to safety-related functions and sys‐
tems. The respectively applicable country provi‐
sions must be observed when using the respec‐
tive features and systems.
Airbags
1Front airbag, driver2Front airbag, front passenger3Side airbag4Knee airbagFront airbags
Front airbags help protect the driver and front
passenger by responding to frontal impacts in
which safety belts alone would not provide ad‐
equate restraint.Side airbag
In a lateral impact, the side airbag supports the
side of the body in the chest, lap, and head
area.
Knee airbag The knee airbag supports the legs in a frontal
impact.Seite 105SafetyCONTROLS105
Online Edition for Part no. 01 40 2 969 276 - II/16

Correct functionWhen the ignition is switched on, the
warning lamp in the instrument cluster
lights up briefly and thereby indicates
the operational readiness of the entire airbag
system and the belt tensioner.
Airbag system malfunctioning▷Warning lamp does not come on when the
ignition is turned on.▷The warning lamp lights up continuously.
Automatic deactivation of the front-
seat passenger airbags
The concept
The system reads if the front passenger seat is
occupied by measuring the human body's re‐
sistance.
Front, knee and side airbag on the front pas‐
senger's side are either activated or deacti‐
vated.
Information Before transporting a child on the front passen‐
ger seat, refer to the safety notes and instruc‐
tions for children on the front passenger seat,
see Children.
WARNING
To ensure the front-seat passenger airbag
function, it must be detected, whether a person
occupies the front passenger seat. The entire
seat cushion area must be used for this pur‐ pose. There is a risk of injury or danger to life.
Make sure that the front passenger keeps his or
her feet in the floor area. ◀
Malfunction of the automatic
deactivation system
When transporting older children and adults,
the front-seat passenger airbags may be deac‐
tivated in certain sitting positions. In this case,
the indicator lamp for the front-seat passenger
airbags lights up.
In this case, change the sitting position so that
the front-seat passenger airbags are activated
and the indicator lamp goes out.
If it is not possible to activate the airbags, have
the person sit in the rear.
To enable correct recognition of the occupied
seat cushion.▷Do not attach covers, cushions, ball mats or
other items to the front passenger seat un‐
less they are specifically determined to be
safe for use on the front passenger seat.▷Do not place any electronic devices on the
passenger seat if a child restraint system is
to be installed on it.▷Do not place objects under the seat that
could press against the seat from below.▷No moisture in or on the seat.
Indicator lamp for the front-seat
passenger airbags
The indicator lamp for the front-seat passenger
airbags indicates the operating state of the
front-seat passenger airbags.
The lamp indicates whether the airbags are ei‐
ther activated or deactivated.
▷The indicator lamp lights up
when a child is properly
seated in a child restraint fix‐
ing system or when the seat
is empty. The airbags on theSeite 107SafetyCONTROLS107
Online Edition for Part no. 01 40 2 969 276 - II/16

adjust the height of the head restraints or re‐
move them. ◀
WARNING
With an unlocked backrest, an unsecured
load can be thrown into the vehicle's interior,
e.g., in case of an accident, braking or evasive
maneuver. There is a a risk of injury. Make sure
that the backrest engages into the locking after
folding it back. ◀
WARNING
Body parts can be jammed when moving
the head restraint. There is a a risk of injury.
Make sure that the area of movement is clear
when moving the head restraint. ◀
Folding down rear seat backrests
The rear seat backrests can be folded down
from the cargo area.1.Before the backrest is folded down, remove
the respective safety belt from the rear belt
guide, refer to page 57.2.Pull the lever in the cargo area to release
the rear seat backrest.3.Fold the rear seat backrest forward.
Folding back the backrest
WARNING
With an unlocked backrest, an unsecured
load can be thrown into the vehicle's interior,
e.g., in case of an accident, braking or evasive
maneuver. There is a a risk of injury. Make sure
that the backrest engages into the locking after
folding it back. ◀1.Fold up the backrest and press it into the
latch. Make sure that the safety belt is not
pinched.2.Close the belt guide loop of the rear belt
guide, refer to page 57.Seite 159Interior equipmentCONTROLS159
Online Edition for Part no. 01 40 2 969 276 - II/16