When the vehicle is unlocked, these positions
are automatically retrieved if this function was
activated.
Pinch hazard when moving back the seat
If this function is used, first make sure
that the footwell behind the driver's seat is
empty. Otherwise, people might get injured or
objects damaged when the seat is moved
back.◀
The adjustment procedure is interrupted:▷When a seat position reel is pressed.▷When a button of the seat, mirror, and
steering wheel memory is pressed briefly.
Activating the setting
1."Settings"2."Doors/key"3."Last seat position autom."
Alarm system
The conceptWhen the vehicle is locked, the vehicle alarm
system responds to:
▷Opening a door, the hood or the trunk lid.▷Movements in the interior.▷Changes in the vehicle tilt, e. g., during at‐
tempts at stealing a wheel or when towing
the car.▷Disconnected battery voltage.
The alarm system briefly signals tampering:
▷By sounding an acoustic alarm.▷By switching on the hazard warning sys‐
tem.▷By flashing the daytime running lights.
Arming and disarming the alarm
system
When you unlock or lock the vehicle, either
with the remote control, Comfort Access or at
the door lock the alarm system is disarmed or
armed at the same time.
Door lock and armed alarm system Unlocking via the door lock will trigger the
alarm on some country-specific versions.
Trunk lid and armed alarm system The trunk lid can be opened even when the
alarm system is armed.
After the trunk lid is closed, it is locked and
monitored again when the doors are locked.
The hazard warning system flashes once.
Panic mode
You can trigger the alarm system if you find
yourself in a dangerous situation.
Press button on the remote control for
at least 3 seconds.
To switch off the alarm: press any button.
Indicator lamp on the interior rearview
mirror▷The indicator lamp flashes briefly every
2 seconds:
The system is armed.▷The indicator lamp flashes after locking:
The doors, hood or trunk lid is not closed
properly, but the rest of the vehicle is se‐
cured.
After 10 seconds, the indicator lamp
flashes continuously. Interior motion sen‐
sor and tilt alarm sensor are not active.Seite 51Opening and closingControls51
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When the still open access is closed, inte‐
rior motion sensor and tilt alarm sensor will
be switched on.▷The indicator lamp goes out after unlock‐
ing:
The vehicle has not been tampered with.▷The indicator lamp flashes after unlocking
until the engine ignition is switched on, but
no longer than approx. 5 minutes:
An alarm has been triggered.
Tilt alarm sensor The tilt of the vehicle is monitored.
The alarm system responds in situations such
as attempts to steal a wheel or when the car is
towed.
Interior motion sensor The windows and glass sunroof must be
closed for the system to function properly.
Avoiding unintentional alarms The tilt alarm sensor and interior motion sen‐
sor can be switched off together, such as in
the following situations:
▷In automatic car washes.▷In duplex garages.▷During transport on trains carrying vehi‐
cles, at sea or on a trailer.▷With animals in the vehicle.
Switching off the tilt alarm sensor and
interior motion sensor
Press the remote control button again
within 10 seconds as soon as the vehicle
is locked.
The indicator lamp lights up for approx. 2 sec‐
onds and then continues to flash.
The tilt alarm sensor and interior motion sen‐
sor are turned off, until the vehicle is locked again.
Switching off the alarm▷Unlock vehicle with the remote control or
switch on the ignition, if needed through
emergency detection of remote control, re‐
fer to page 39.▷With Comfort Access: if you are carrying
the remote control on your person, grasp
the driver side or front passenger side door
handle completely.
Power windows
Hint Take the remote control with you
Take the remote control with you when
leaving the vehicle so that children, e.g., can‐
not operate the power windows and injure
themselves.◀
Opening
▷ Press the button to the resistance
point.
The window opens while the switch is held.▷ Press the switch beyond the resist‐
ance point.
The window opens automatically. Pressing
the switch again stopse the motion.
See also: Convenient opening, refer to
page 41, via remote control.
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ClosingKeep the closing path clear
Monitor closing and make sure that the
closing path of the window is clear; otherwise,
injuries may result.◀▷ Pull the switch to the resistance
point.
The window closes while the switch is
held.▷ Pull the switch beyond the resistance
point.
The window closes automatically. Pulling
again stops the motion.
See also: closing by means of Comfort Access,
refer to page 47.
Pinch protection system Danger of jamming even with pinch pro‐
tection
Even with the pinch protection system, check
that the window's closing path is clear; other‐
wise, the closing action may not stop in certain
situations, e.g., if thin objects are present.◀
No window accessories
Do not install any accessories in the win‐
dow's range of movement; otherwise, the
pinch protection system will be impaired.◀
If closing force exceeds a specific margin as a
window closes, closing is interrupted.
The window reopens slightly.
Closing without the pinch protection
system
Keep the closing path clear
Monitor closing and make sure that the
closing path of the window is clear; otherwise,
injuries may result.◀
E.g. danger from the outside or ice might pre‐
vent window from closing properly - proceed
as follows:1.Pull the reel past the resistance point and
hold it there.
The pinch protection is limited and the
window reopens slightly if the closing force
exceeds a certain margin.2.Pull the reel past the resistance point again
within approx. 4 seconds and hold it there.
The window closes without jam protection.
Safety switch
General information
The safety switch in the driver's door can be
used to prevent children, e.g., from opening
and closing the rear windows using the
switches in the rear.
Switching on and off Press button.
The LED lights up if the safety func‐
tion is switched on.
Safety switch for rear operationPress the safety switch when transport‐
ing children in the rear; otherwise, injury may
result if the windows are closed without super‐
vision.◀
Roller sunblinds
General information
If you are no longer able to move the roller sun‐
blind for the rear window after having activated
it a number of times in a row, the system is
blocked for a limited time to prevent overheat‐ ing. Let the system cool.
The roller sunblind for the rear window cannot
be moved at low interior temperatures.
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Shoulder support
Also supports the back in the shoulder area:
▷Results in a relaxed seating position.▷Reduces strain on the shoulder muscles.
Active seatActive adjustment of the seat cushion's con‐
tours reduces muscular tension and fatigue to
help prevent lower back pain.
Press button. The LED lights up.
Front seat heating
Switching on Press button once for each tempera‐
ture level.
The maximum temperature is reached when
three LEDs are lit.
If the journey is continued within approx. 15
minutes, the seat heating is activated automat‐
ically with the temperature selected last.
When ECO PRO, refer to page 191, is acti‐
vated, the heater output is reduced.
Switch off Press button longer.
The LEDs go out.
Temperature distribution
The heating action in the seat cushion and
backrest can be distributed in different ways.
On the Control Display:1."Climate"2."Front seat heating"3.Select the required seat.4.Turn the controller to set the temperature
distribution.
Rear seat heating
Switching on
Press button once for each tempera‐
ture level.
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What reduces the restraining effect
Avoid wearing bulky clothing, and pull
the shoulder belt periodically to readjust the
tension. Make sure that the belt is not jammed;
otherwise, the belt can be damaged and the
restraining effect is reduced.◀
Buckling the belt
Make sure you hear the latch plate engage in
the belt buckle.
Tensioning the safety belt
automatically
When the belt is closed, it is automatically
tightened once after the release.
Unbuckling the belt
1.Hold the belt firmly.2.Press the red button in the belt buckle.3.Guide the belt back into its roll-up mecha‐
nism.
Safety belt reminder for driver's and
passenger's seat
The indicator lamp lights up and a sig‐
nal sounds. Make sure that the safety
belts are positioned correctly. The
safety belt reminder is active at speeds above
approx. 6 mph/10 km/h. It can also be activated
if objects are placed on the front passenger
seat.
Safety mode
In critical situations, e.g., during full brake ap‐
plication, the front safety belts tighten auto‐
matically.
If the situation passes without an accident oc‐
curring, the belt tension relaxes.
If the belt tension does not loosen automati‐
cally, stop the vehicle and unbuckle the belt
using the red button in the buckle. Fasten the
belt before continuing on your trip.
Damage to safety beltsWear and tear after accidents or when dam‐
aged otherwise:
Have the safety belts, including the safety belt
tensioners, replaced and have the belt anchors
checked.
Check and replace safety belts
This should only be done by your service
center; otherwise, this safety feature might not
work properly.◀
Front head restraints Correctly adjusted head restraint
A correctly adjusted head restraint reduces the
risk of injury to cervical vertebrae in the event
of an accident.
Adjusting the head restraint
Adjust the head restraints of all occupied
seats properly; otherwise, there is an increased
risk of injury in an accident.◀
Height
Adjust the head restraint so that its center is
approximately at ear level.
Distance Adjust the distance so that the head restraint
is as close as possible to the back of the head.Seite 62ControlsAdjusting62
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2.Press button, arrow 1, and pull the head re‐
straint out completely.
Before transporting passengers
Reinstall the head restraint before trans‐
porting anyone in the seat; otherwise, the pro‐
tective function of the head restraint is unavail‐
able.◀
Seat, mirror, and steering
wheel memory
The concept Two driver's seat and exterior mirror positions
can be stored per profile, refer to page 39, and
called up. Settings for the backrest width and
lumbar support are not stored in memory.
Hints Do not retrieve the memory while driving
Do not retrieve the memory setting while
driving, as an unexpected movement of the
seat or steering wheel could result in an acci‐
dent.◀
Keep the movement area unobstructed
When changing the seat position, keep
the seat's area of movement unobstructed;
otherwise, people might get injured or objects
damaged.◀
At a glance
Front
Storing1.Switch on the ignition.2.Set the desired position.3. Press button. The LED in the but‐
ton lights up.4.Press selected button 1 or 2 while the LED
is lit. The LED goes out.
If the SET button is pressed accidentally:
Press button again.
The LED goes out.
Calling up settings
Comfort function
1.Open the driver's door.2.Switch off the ignition.3.Briefly press the desired button 1 or 2.
The corresponding seat position is performed
automatically.
The procedure stops when a reel for adjusting
the seat or one of the buttons is pressed.
Safety mode
1.Close the driver's door or reel on the igni‐
tion.2.Press and hold the desired button 1 or 2
until the adjustment procedure is com‐
pleted.
Calling up of a seat position
deactivated
After a brief period, calling up stored seat posi‐
tions is deactivated to save battery power.
To reactivate calling up of a seat position:
▷Open or close the door or trunk lid.▷Press a button on the remote control.▷Press the Start/Stop button.Seite 65AdjustingControls65
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Manual steering wheel adjustment1.Fold the lever down.2.Move the steering wheel to the preferred
height and angle to suit your seating posi‐
tion.3.Fold the lever back.
Power steering wheel adjustment
The steering wheel can be adjusted in four di‐
rections.
Storing the position Seat, mirror, and steering wheel memory, refer
to page 65.
Steering wheel heating
Press button.▷On: the LED lights up.▷Off: the LED goes out.
If the trip is resumed within approx. 15 min,
steering wheel heating is automatically acti‐
vated again.
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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, drive readiness
The concept The following ready states can
be attained by pressing the
Start/Stop button:▷Radio ready state on/off.▷Ignition on/off.▷Activating/deactivating drive readiness.
To activate drive readiness, press the brake
pedal.
Switching radio-ready state on/off
The radio-ready state is activated by pressing
the Start/Stop button in the following situa‐
tions:
▷When the engine is running.▷When drive readiness is activated.▷When the engine is switched off automati‐
cally using the Auto Start/Stop function
and the brake is not applied.
Some electronic systems/power consumers
remain ready for operation.
Radio ready state is switched off automatically:
▷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.
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 daytime running lights are activated.
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.
P when the ignition is switched off
P is engaged automatically when the ig‐
nition is switched off. When in an automatic car
wash, e.g., ensure that the ignition is not
switched off accidentally.◀
The ignition is switched off automatically in the
following situations while the vehicle is station‐
ary and the engine is off:
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