Page 9 of 337
In brief7
3-door hatchback
To open the tailgate, push the brand
emblem at the bottom half.
Press x on remote control to unlock
and open the tailgate. The doors
remain locked.
4-door saloon
Press x on the remote control for at
least 2 seconds; the boot lid opens
slightly.
Radio remote control 3 21, Central
locking system 3 22, Load
compartment 3 25.
Seat adjustment
Seat positioning
Pull handle, slide seat, release
handle. Try to move the seat back and forth to ensure that the seat is locked
in place.
Seat position 3 39, Seat adjustment
3 39.
9 Danger
Do not sit nearer than 25 cm from
the steering wheel, to permit safe
airbag deployment.
Page 21 of 337

In brief19Parking9Warning
■ Do not park the vehicle on an
easily ignitable surface. The
high temperature of the exhaust system could ignite the surface.
■ Always apply the parking brake.
Activate the manual parking
brake without pressing the
release button. Apply as firmly
as possible on a downhill slope
or uphill slope. Depress foot
brake at the same time to
reduce operating force.
For vehicles with electric
parking brake, pull switch m for
approx. one second.
The electric parking brake is
applied when control indicator
m illuminates 3 113.
■ Switch off the engine. ■ If the vehicle is on a level surface or uphill slope, engage
first gear or set the selector lever
to position P before removing
the ignition key. On an uphill
slope, turn the front wheels
away from the kerb.
If the vehicle is on a downhill
slope, engage reverse gear or
set the selector lever to position P before removing the ignition
key. Turn the front wheels
towards the kerb.
■ Close the windows and the sunroof.
■ Remove the ignition key. Turn the steering wheel until the
steering wheel lock is felt to
engage.
For vehicles with automatic
transmission, the key can only
be removed when the selector
lever is in position P.
■
Lock the vehicle by pressing e on
the radio remote control.
Activate the anti-theft alarm system
3 27.
■ The engine cooling fans may run after the engine has been switched
off 3 224.Caution
After running at high engine
speeds or with high engine loads,
operate the engine briefly at a low load or run in neutral for
approx. 30 seconds before
switching off, in order to protect
the turbocharger.
Keys, locks 3 20, Laying the vehicle
up for a long period of time 3 223.
Page 23 of 337

Keys, doors and windows21Radio remote control
Used to operate:■ central locking system
■ anti-theft locking system
■ anti-theft alarm system
■ power windows
■ sunroof
The radio remote control has a range of approx. 20 metres. It can be
restricted by external influences. The
hazard warning flashers confirm
operation.
Handle with care, protect from
moisture and high temperatures and
avoid unnecessary operation.
Fault
If the central locking system cannot
be operated with the radio remote
control, it may be due to the following:
■ Range is exceeded.
■ Battery voltage is too low.
■ Frequent, repeated operation of the
radio remote control while not in
range, which will require re-
synchronisation.
■ Overload of the central locking system by operating at frequent
intervals, the power supply is
interrupted for a short time.
■ Interference from higher-power radio waves from other sources.
Unlocking 3 22.
Basic settings
Some settings can be changed in the Settings menu in the Info-Display.
Vehicle personalisation 3 131.Radio remote control battery
replacement
Replace the battery as soon as the
range reduces.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
Page 24 of 337

22Keys, doors and windows
Key with foldaway key section
Extend the key and open the unit.
Replace the battery (battery type CR 2032), paying attention to the
installation position. Close the unit
and synchronise.
Radio remote controlsynchronisation
After replacing the battery, unlock the
door with the key in the driver's door
lock. The radio remote control is
synchronised by switching on the
ignition.
Memorised settings
Whenever the key is removed from
the ignition switch, the following
settings are automatically memorised
by the key:
■ lighting
■ Infotainment system
■ central locking system
■ Sport mode settings
■ comfort settings
The saved settings are automatically used the next time the memorised key is inserted into the ignition switch and
turned to position 1 3 160.
A precondition is that Personalization
by driver is activated in the personal
settings of the Graphic-Info-Display.
This must be set for each key used.
On vehicles equipped with
Colour-Info-Display, the
personalisation is permanently
activated.
Vehicle personalisation 3 131.Central locking system
Unlocks and locks doors, load
compartment and fuel filler flap.
A pull on an interior door handle
unlocks the respective door. Pulling
the handle once more opens the door.
Notice
In the event of an accident in which
airbags or belt pretensioners are
deployed, the vehicle is
automatically unlocked.
Notice
A short time after unlocking with the
remote control, the doors are
relocked automatically if no door has
been opened.
Page 26 of 337

24Keys, doors and windows
Fault in radio remote control
system
Unlocking
Manually unlock the driver's door by
turning the key in the lock. Switch on
the ignition and press the central
locking button c to unlock the other
doors, load compartment and fuel
filler flap. By switching on the ignition, the anti-theft locking system is
deactivated.
Locking
Manually lock the driver's door by
turning the key in the lock.
Fault in central locking system
Unlocking
Manually unlock the driver's door by
turning the key in the lock. The other
doors can be opened by pulling the
interior handle twice. The load
compartment and fuel filler flap
cannot be opened. To deactivate the
anti-theft locking system, switch on
the ignition 3 27.
Locking
Push inside locking knob of all doors
except driver's door. Then close the driver's door and lock it from the
outside with the key. The fuel filler flap
and tailgate cannot be locked.
Automatic locking This security feature can be
configured to automatically lock all
doors, load compartment and fuel
filler flap as soon as a certain speed
is exceeded.
Additionally it is configurable to
unlock the driver's door or all doors
after the ignition is switched off andthe ignition key is removed (manual
transmission) or the selector lever is
moved to position P (automatic
transmission).
Settings can be changed in the
Settings menu in the Info-Display.
Vehicle personalisation 3 131.
The settings can be saved for the key being used 3 22.
Child locks
Page 27 of 337
Keys, doors and windows259Warning
Use the child locks whenever
children are occupying the rear
seats.
Using a key or suitable screwdriver,
turn the child lock in the rear door to
the horizontal position. The door
cannot be opened from the inside.
To deactivate, turn the child lock to
the vertical position.
Doors
Load compartment
Tailgate
Opening5-door hatchback
After unlocking, push the touchpad
switch below the brand emblem and open the tailgate.
3-door hatchback
Press x on radio remote control or
push the brand emblem at the bottom
half to unlock and open the tailgate.
Page 28 of 337
26Keys, doors and windows
Pressing x opens the tailgate even
if the doors are locked.Sports tourer
After unlocking, push the touchpad
switch under the tailgate moulding
and open the tailgate.
Central locking system 3 22.4-door saloon
To unlock the boot lid, press x on
the remote control for at least
2 seconds, or, to open from the inside, press x in the centre console; the
boot lid is opened slightly.
With the doors centrally locked, the
boot lid cannot be opened by pressing
x in the centre console.
Closing
Use one of the interior handles.
Do not push the touchpad switch or
the emblem whilst closing as this will
unlock the tailgate again.
Central locking system 3 22.
General hints for operating
tailgate
9 Danger
Do not drive with the tailgate open
or ajar, e.g. when transporting
bulky objects, since toxic exhaust
Page 29 of 337

Keys, doors and windows27gases, which cannot be seen or
smelled, could enter the vehicle.
This can cause unconsciousness
and even death.Caution
Before opening the tailgate check
overhead obstructions, such as a
garage door, to avoid damage to
the tailgate. Always check the
moving area above and behind the tailgate.
Notice
The installation of certain heavy
accessories onto the tailgate may
affect its ability to remain open.
Vehicle security
Anti-theft locking system9 Warning
Do not use the system if there are
people in the vehicle! The doorscannot be unlocked from the
inside.
The system deadlocks all the doors.
All doors must be closed otherwise
the system cannot be activated.
If the ignition was on, the driver's door
must be opened and closed once so
that the vehicle can be secured.
Unlocking the vehicle disables the
mechanical anti-theft locking system.
This is not possible with the central
locking button.
Activating
Press e on the radio remote control
twice within 15 seconds.
Anti-theft alarm system The anti-theft alarm system is
combined with the central locking
system.
It monitors: ■ doors, tailgate, bonnet
■ passenger compartment including adjoining load compartment
■ vehicle inclination, e.g. if it is raised
■ ignition