Page 9 of 341
In brief73-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 23, 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 341

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 28.
● The engine cooling fans may run
after the engine has been
switched off 3 227.
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 3 226.
Page 22 of 341

20Keys, doors and windowsKeys, doors and
windowsKeys, locks ................................... 20
Keys .......................................... 20
Car Pass .................................... 21
Radio remote control .................21
Memorised settings ...................22
Central locking system ..............23
Automatic locking ......................24
Child locks ................................. 25
Doors ........................................... 25
Load compartment ....................25
Vehicle security ............................ 27
Anti-theft locking system ...........27
Anti-theft alarm system ..............28
Immobiliser ................................ 29
Exterior mirrors ............................ 30
Convex shape ........................... 30
Electric adjustment ....................30
Folding mirrors .......................... 30
Heated mirrors ........................... 31
Interior mirrors ............................. 31
Manual anti-dazzle ....................31
Automatic anti-dazzle ................32Windows...................................... 32
Windscreen ............................... 32
Manual windows ........................32
Power windows ......................... 33
Heated rear window ..................35
Sun visors .................................. 35
Roof ............................................. 35
Sunroof ...................................... 35
Glass panel ............................... 36Keys, locks
KeysCaution
Do not attach heavy or bulky items to the ignition key.
Replacement keys
The key number is specified in the
Car Pass or on a detachable tag.
The key number must be quoted
when ordering replacement keys as it
is a component of the immobiliser
system.
Locks 3 282.
The code number of the adapter for
the locking wheel nuts is specified on
a card. It must be quoted when
ordering a replacement adapter.
Wheel changing 3 270.
Page 23 of 341

Keys, doors and windows21Lock cylinders
Designed to free-wheel if they are forcefully rotated without the correct
key or if the correct key is not fully
inserted. To reset, turn cylinder with
the correct key until its slot is vertical, remove key and then re-insert it. If the
cylinder still free-wheels, turn the key through 180° and repeat operation.
Key with foldaway key section
Press button to extend. To fold the
key, first press the button.
Car Pass
The Car Pass contains security
related vehicle data and should
therefore be kept in a safe place.
When the vehicle is taken to a
workshop, this vehicle data is needed
in order to perform certain operations.
Radio 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.
Page 24 of 341

22Keys, doors and windowsUnlocking 3 23.
Basic settings Some settings can be changed in the
Settings menu in the Info-Display.
Vehicle personalisation 3 130.
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.
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 control
synchronisation
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 3 165.
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 3 130.
Page 25 of 341

Keys, doors and windows23Central 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.Unlocking
Press c.
Two settings are selectable: ● To unlock only the driver's door, load compartment and fuel filler
flap, press c once. To unlock all
doors, press c twice.
● Press c once to unlock all doors,
load compartment and fuel filler
flap.
The setting can be changed in the
Settings menu in the Info-Display.
Vehicle personalisation 3 130.
The setting can be saved for the key
being used. Memorised settings
3 22.
Unlocking and opening the tailgate
3 25.
Locking
Close doors, load compartment and
fuel filler flap.
Press e.
If the driver's door is not closed
properly, the central locking system
will not work.
Page 26 of 341

24Keys, doors and windowsCentral locking buttonsLocks or unlocks all doors, the load
compartment and fuel filler flap from
inside the passenger compartment.
Press e to lock.
Press c to unlock.
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 28.
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 and
the ignition key is removed (manual
Page 28 of 341
26Keys, doors and windows3-door hatchback
Press x on radio remote control or
push the brand emblem at the bottom
half to unlock and open the tailgate.
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 23.4-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