▷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.
The radio-ready state remains active if, e.g.,
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.
Starting the engine
Hints Enclosed areas
Do not let the engine run in enclosed
areas, since breathing in exhaust fumes may
lead to loss of consciousness and death. The
exhaust gases contain carbon monoxide, an
odorless and colorless but highly toxic gas.◀
Unattended vehicle
Do not leave the vehicle unattended with
the engine running; doing so poses a risk of
danger.
Before leaving the vehicle with the engine run‐
ning, set the parking brake and place the trans‐
mission in selector lever position P or N to pre‐
vent the vehicle from moving.◀
Repeated starting in quick succession
Avoid trying to start the vehicle repeat‐
edly and in quick succession. Otherwise, the fuel is not burned or is inadequately burned,
posing a risk of overheating and damage to the
catalytic converter.◀
Do not wait for the engine to warm-up while
the vehicle remains stationary. Start driving at
moderate engine speeds.
Starting the engine
Press on the brake pedal and
press the Start/Stop button.
The engine is cranked until it
starts.
Engine stop
Hints Take the remote control with youTake the remote control with you when
leaving the vehicle so that children, e.g., can‐
not start the engine.◀
Apply parking brake and further secure
the vehicle if needed.
Set the parking brake firmly when parking; oth‐
erwise, the vehicle could roll. On steep upward
and downward inclines, further secure the ve‐
hicle, e.g., by turning the steering wheel in the
direction of the curb.◀
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 233.
Switching off the engine1.Engage transmission 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
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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 73.
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.
Note 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.▷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.▷The selector lever is in 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.
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At a glance
SettingApply parking brake and further secure
the vehicle if needed.
Set the parking brake firmly when parking; oth‐
erwise, the vehicle could roll. On steep upward
and downward inclines, further secure the ve‐
hicle, e.g., by turning the steering wheel in the
direction of the curb.◀
Take the remote control with you
Take the remote control with you when
leaving the vehicle so that children, e.g., can‐
not release the parking brake.◀
Pull the reel.
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 reel and hold it. The vehicle brakes
hard while the reel is being pulled.
The indicator lamp lights up red, a sig‐
nal sounds and the brake lights light
up.
A Check Control message is displayed.
If the vehicle is slowed down down to a speed of approx. 2 mph/3 km/h the parking brake is
set.
Releasing
With the ignition switched on:
Press the reel while stepping on the
brake pedal or transmission position P is
set.
The LED and indicator lamp go out.
The parking brake is released. Take the remote control with you
Take the remote control with you when
leaving the vehicle so that children, e.g., can‐
not release the parking brake.◀
Automatic release 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.
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.◀
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.
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Safety informationSecure the vehicle against rolling
Before leaving the vehicle with the en‐
gine running, engage position P of the Step‐
tronic transmission and ensure that the park‐
ing brake is set. Otherwise, the vehicle may
begin to move.◀
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.
Activating
This function can be activated when the driv‐
er's door is closed, the safety belt is fastened
and the engine is running.
Press button.
The LED and the letters AUTO H light
up.
The indicator lamp lights up.
Automatic Hold is activated.
Deactivating
Press button again.
The LED and the letters AUTO H go
out.
Automatic Hold is deactivated.
If the vehicle is being held by Automatic Hold,
press on the brake pedal to deactivate it.
When the parking brake is set manually, Auto‐
matic Hold is deactivated automatically.
sDriving
Automatic Hold is activated: the vehicle is au‐
tomatically secured against rolling after brak‐
ing to a standstill.
The indicator lamp lights up green.
Step on the accelerator pedal to drive
off.
The brake is released automatically.
The indicator lamp goes out.
Before driving into a car wash
Before driving into the car wash, deacti‐
vate Automatic Hold; otherwise, the parking
brake will be set when the vehicle is stationary
and the vehicle will no longer be able to roll.◀
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 coast‐
ing to a halt. Automatic Hold is deactivated.
Automatic Hold remains activated during the
engine stop brought about by the Auto Start/
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4.Insert the screwdriver through the loop, ar‐
row.5.Forcefully pull the screwdriver up against
the resistance until you notice a marked in‐
crease in the resistance and the parking
brake releases audibly.
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
operation
1.Switch on the ignition.2. Press the reel 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
Hints Do not adjust the exterior mirrors
Do not adjust the exterior mirror while
driving and when blinker/hazards are on, or
else the additional blinker lights in the exterior
mirror are out of position and can't be seen.◀
Using turn signals
Press the lever beyond the resistance point.
To reel off manually, press the lever to the re‐
sistance point.
Unusually rapid flashing of the indicator lamp
indicates that a turn signal bulb has failed.
Triple turn signal activation Press the lever to the resistance point.
The turn signal flashes three times.
The function can be activated or deactivated.
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Rain sensor
The concept The rain sensor automatically controls the time
between wipes depending on the intensity of the rainfall. The sensor is located on the wind‐
shield, directly behind the interior rearview mir‐
ror.
Activating/deactivating
Press button on the wiper lever.
Wiping is started. If the vehicle is equipped
with a rain sensor: LED in wiper lever lights up.
When wipers are frozen to windshield, wiper
operation is deactivated.
During trip interruption with the rain sensor
switched on: if the trip is resumed within ap‐
prox. 15 minutes, the rain sensor is automati‐
cally activated again.
Deactivate the rain sensor in car washes
Deactivate the rain sensor when passing
through an automatic car wash; otherwise, un‐
intentional wiping can cause damages.◀
Rain sensor, sensitivity
Turn the thumbwheel.
Clean the windshield, headlights
Pull the wiper lever towards you.
The system sprays washer fluid on the wind‐
shield and activates the wipers briefly.
In addition, the headlights are cleaned at regu‐
lar intervals when the vehicle's lights are acti‐
vated.
Do not use the washer system at freezing
temperatures
Do not use the washers if fluid could freeze
onto the windshield which might impede your
viewing field. Therefore use antifreeze fluid.
Avoid using the washer when the reservoir is
empty; operation might damage pump.◀
Windshield washer nozzles The windshield washer nozzles are automati‐
cally heated while the ignition is switched on.
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▷Messages, e.g. Check Control, refer to
page 87.▷Current fuel consumption, refer to
page 93.▷Navigation display, see User's manual for
Navigation, Entertainment and Communi‐
cation.▷Range, refer to page 92.▷Status, Driving Dynamics Control, refer to
page 138.▷Service requirements, refer to page 93.▷Speed limit detection, refer to page 94.▷Time, refer to page 92.
Multifunctional instrument display
The concept
The instrument display is a variable display. In
the event of a program change, the display
rendition adapts to the respective program
through the Driving Dynamics Control. The
change of appearance can be deactivated on
the Control Display.Some of the displays in the instrument display
may differ from the way they are shown in this
Owner's Manual.
At a glance
1Fuel gauge 912Indicator/warning lights 883Speedometer4Variable displays5Tachometer 91
Selection lists 96
ECO PRO displays 1916Engine oil temperature 91Seite 85DisplaysControls85
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3Efficiency display 1914Transmission display5▷Blue: bonus range▷Gray: rangeIn the ECO PRO program the instrument dis‐
play switches to the ECO PRO displays. These
displays support a driving style that saves onfuel consumption with more prominent repre‐
sentation of the efficiency display and various
ECO PRO tips.
Sport displays
1Speedometer2Tachometer 913Transmission display 834Shift lights, when respectively equipped5Performance display6Variable displaysIn the Sport and Sport+ programs the instru‐
ment display switches to the sport displays.
These displays support a sporty driving style
with more prominent representation of the
tachometer, the transmission displays, and the
vehicle speed.Check 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
combination of indicator or warning lights and
text messages in the instrument cluster and in
the Head-up Display.Seite 87DisplaysControls87
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