▷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.
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.
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.Steptronic transmission: engage selector
lever position P.2.Press the Start/Stop button. The ignition is
switched off. The Auto Start/Stop function
is deactivated.3.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.
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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 conceptThe 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.
Depending on the stopping situation, the park‐
ing brake is engaged automatically.
Steptronic transmission: In some parking sit‐
uations, the parking brake is automatically en‐
gaged, when selector lever position P is en‐
gaged. In these cases, the parking brake is
released automatically when you leave the se‐
lector lever position P.
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.
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:
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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.
Malfunction
In the event of a failure or malfunction of the
parking brake, secure the vehicle against roll‐
ing using a wheel chock, e.g., when leaving it.
After a power failure
Putting the parking brake into
operation
1.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.
Triple turn signal activation
Slightly tap lever.
The turn signal flashes three times.
The function can be activated or deactivated.
On the Control Display:
1."Settings"2."Lighting"3."Triple turn signal"
Settings are stored for the profile currently
used.
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be executed by a dealer’s service center or an‐
other qualified service center or repair shop.◀
Washer fluid reservoir
All washer nozzles are supplied from one res‐
ervoir in the engine compartment.
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 find the
right mixture.
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 they can clog
the windshield washer nozzles.
Recommended minimum fill quantity:
0.2 US gal/1 liter.
Steptronic transmission
Selector lever positions
D Drive
Selector lever position for normal vehicle oper‐
ation. All gears for forward travel are activated
automatically.
R is Reverse
Select only when the vehicle is stationary.
N Neutral: The vehicle may roll. Use in automatic car
washes, e.g.
P Park Select only when the vehicle is stationary. The
drive wheels are blocked.
Before exiting the vehicle, make sure that se‐
lector lever position P is set. Otherwise, the ve‐
hicle may begin to move.
Kickdown Kickdown is used to achieve maximum driving
performance. Step on the accelerator pedal
beyond the resistance point at the full throttle
position.
Engaging selector lever positions To prevent the vehicle from creeping after you
select a gear, maintain pressure on the brake
pedal until you are ready to start.
The selector lever can only be taken out of se‐
lector lever position P if the ignition is on or the
engine is running.
With the vehicle is stationary, press on the
brake pedal before shifting out of selector lever
position P or N; otherwise, the selector lever is
blocked: shift lock.
A block prevents the inadvertent switching to
selector lever position P or R or the inadvertent
change from selector lever position P.Seite 77DrivingControls77
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Steptronic Sport transmission:
Launch Control
The concept Launch Control enables optimum accelerationon surfaces with good traction.
General information
The use of Launch Control causes premature
component wear since this function represents
a very heavy load for the vehicle.
Do not use Launch Control during the break-in,
refer to page 168, period.
To increase vehicle stability, activate DSC
again as soon as possible.
An experienced driver may be able to achieve better acceleration values in DSC OFF mode.
Requirements Launch Control is available when the engine is
warmed up, that is, after uninterrupted driving
of at least 6 miles/10 km.
To start with Launch Control do not steer the
steering wheel.
Start with launch controlWhile the engine is running:1. Press button and select SPORT
with the Driving Dynamics Control.
TRACTION is displayed in the instrument
cluster in combination with SPORT and the
DSC OFF indicator lamp lights up.2.Engage selector lever position S.3.With the left foot, forcefully press down on
the brake.4.Press and hold down the accelerator pedal
beyond the resistance point at the full
throttle position, kickdown.A flag symbol is displayed in the instru‐
ment cluster.5.The starting engine speed adjusts. Within
3 seconds, release the brake.
Before using Launch Control, allow the trans‐
mission to cool down for approx. 5 minutes.
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▷Messages, e.g. Check Control, refer to
page 82.▷Navigation display.▷Range, refer to page 86.▷Status, Driving Dynamics Control, refer to
page 124.▷Service requirements, refer to page 87.▷Speed limit detection, refer to page 88.▷Time, refer to page 86.
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.
In addition, an acoustic signal may sound and a text message may appear on the Control Dis‐
play.
Indicator/warning lights
General information
The indicator and warning lights in the instru‐
ment cluster can light up in a variety of combi‐
nations 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 Safety belt on the driver's side is not
buckled. For some country-specific
models: passenger belt is not worn or
objects are detected on the front passenger
seat.
Flashing or illuminated: safety belt on the
driver or passenger side is not buckled. The
safety belt reminder can also 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 quali‐
fied service center or repair shop.
Parking brake The parking brake is set.
For additional information, refer to Re‐ lease parking brake, refer to page 72.
Brake system Braking system disrupted. Continue to
drive moderately.
Have the vehicle checked immediately
by a dealer’s service center or another qualified service center or repair shop.
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 ma‐
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▷Range.▷ECO PRO bonus range.▷Average fuel consumption.▷Current fuel consumption.▷Average speed.▷Date.▷Engine temperature display.▷Speed limit detection.▷Time of arrival.
When destination guidance is activated in
the navigation system.▷Distance to destination.
When destination guidance is activated in
the navigation system.
Adjusting the info display
Depending on the vehicle equipment version,
you can select what information from the on-
board computer is to be displayed on the info
display of the instrument cluster.
On the Control Display:
1."Settings"2."Instrument cluster"3.Select the desired displays.
Information in detail
Range
Displays the estimated cruising range available
with the remaining fuel.
It is calculated based on your driving style over
the last 20 miles/30 km.
Average fuel consumption
The average fuel consumption is calculated for
the period while the engine is running.
The average fuel consumption is calculated for
the distance traveled since the last reset by the
on-board comupter.
Average speed
Periods in which the vehicle is parked with the
engine manually stopped are not included in
the calculation of the average speed.
Resetting average values
Press and hold PC button on blinker lever.
Engine temperature display
Displays the current engine temperature,
based on a combination of coolant and motor
oil temperature. As soon as the optimum oper‐
ating temperature has been attained, the indi‐
cator is in the center position.
If the engine oil or coolant, thus the engine, be‐
come too hot, a Check Control message is dis‐
played.
Check the coolant level, refer to page 202.
Distance to destination
The distance remaining to the destination is
displayed if a destination is entered in the navi‐
gation system before the trip is started.
The distance to the destination is adopted au‐
tomatically.
Time of arrival The estimated time of arrival is
displayed if a destination is en‐
tered in the navigation system
before the trip is started.
The time must be correctly set.
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Status displayThe current status of the Tire Pressure Moni‐
tor TPM can be displayed on the Control Dis‐
play, e.g., whether or not the TPM is active.1."Vehicle info"2."Vehicle status"3. "Tire Pressure Monitor (TPM)"
The status is displayed.
Status control display Tire and system status are indicated by the
color of the wheels and a text message on the
Control Display.
All wheels green System is active and will issue a warning rela‐
tive to the tire inflation pressures stored during
the last reset.
One wheel is yellow A flat tire or major drop in inflation pressure in
the indicated tire.
All wheels are yellow A flat tire or major drop in inflation pressure in
several tires.
Wheels, gray The system cannot detect a flat tire due to a
malfunction.
Status information
The status control display additionally shows
the current tire inflation pressures. It shows the
actual values read; they may vary depending
on driving style or weather conditions.
Carry out reset Reset the system after each adjustment of the
tire inflation pressure and after every tire or
wheel change.
On the Control Display and on the vehicle:1."Vehicle info"2."Vehicle status"3. "Perform reset"4.Start the engine - do not drive off.5.Reset tire inflation pressure: "Perform
reset".6.Drive away.
The wheels are displayed in gray and the sta‐
tus is displayed.
After driving faster than 19 mph/30 km/h for a
short period, the set tire inflation pressures are
accepted as reference values. The reset is
completed automatically while driving.
The progress of the reset is displayed.
After a successfully completed Reset, the
wheels on the Control Display are shown in
green and "Tire Pressure Monitor (TPM)
active" is displayed.
You may interrupt this trip at any time. When
you continue the reset resumes automatically.
Low tire pressure message The yellow warning lamp lights up. A
Check Control message is displayed.
▷There is a flat tire or a major loss in
tire inflation pressure.▷No reset was performed for the system.
The system therefore issues a warning
based on the tire inflation pressures before
the last reset.1.Reduce your speed and stop cautiously.
Avoid sudden braking and steering maneu‐
vers.2.Check whether the vehicle is fitted with
normal tires or run-flat tires.
Run-flat tires, refer to page 192, are la‐
beled with a circular symbol containing the
letters RSC marked on the tire's sidewall.Seite 106ControlsSafety106
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