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18In brief
To restart the engine, depress the
clutch pedal again.
Stop-start system 3 156.
ParkingCaution
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.
Apply electric parking brake by
pulling switch m for approx. one
second.
Activate the manual parking brake
without pushing 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.
■ If the vehicle is on a level surface or
uphill slope, engage first gear or set
the selector lever to position P
before switching off the ignition. 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 theselector lever to position P before
switching off the ignition. Turn the
front wheels towards the kerb.
■ 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.
■ Switch off the engine and ignition. Turn the steering wheel until it
locks.
Automatic transmission: key can
only be removed with selector lever in P.
■ Close the windows and the sunroof.
■ Lock the vehicle and activate the anti-theft alarm system 3 22,
3 33.
■ The engine cooling fans may run after the engine has been switched
off 3 216.
Keys, locks 3 19, Laying the vehicle
up for a long period of time 3 215.
Page 21 of 321

Keys, doors and windows19Keys, doors and
windowsKeys, locks ................................... 19
Doors ........................................... 28
Vehicle security ............................ 32
Exterior mirrors ............................ 36
Interior mirrors ............................. 38
Windows ...................................... 38
Roof ............................................. 41Keys, locks
Keys 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 3 260, Radio remote control
3 20, Electronic key 3 21, Central
locking 3 22, Starting the engine
3 154.
The code number of the key adapter
for the locking wheel nuts is specified on a card. It must be quoted when
ordering a replacement key adapter.
Wheel changing 3 250.Lock 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.
Page 22 of 321

20Keys, doors and windowsCar 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
Enables operation of the following
functions via the use of the remote
control buttons:
■ Central locking system 3 22
■ Anti-theft locking system 3 32
■ Anti-theft alarm system 3 33
■ Tailgate 3 28
■ Power windows 3 39
■ Sunroof 3 41
■ Mirror folding 3 36
The remote control has an
approximate range of up to 164 ft. 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.
Replacing battery in radio remote control 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.
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.
Page 35 of 321

Keys, doors and windows33
Activating
Radio remote control or electronic
key: press e twice within 5 seconds.
Anti-theft alarm system The anti-theft alarm system is
operated in conjunction 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
Activation
All doors must be closed and the electronic key must not remain in the
vehicle. Otherwise the system cannot be activated.
■ Radio remote control: self- activated 30 seconds after locking
the vehicle by pressing e once.
■ Electronic key system: self- activated 30 seconds after locking
the vehicle by pressing the button
on any exterior door handle.■ Radio remote control or electronic
key: directly by pressing e twice
within 5 seconds.
■ Electronic key system with passive locking enabled: briefly activated
after passive locking occurs.
Notice
Changes to the vehicle interior such
as the use of seat covers, and open windows or sunroof, could impair the
function of passenger compartment
monitoring.
Activation without monitoring of
passenger compartment and
vehicle inclination
Page 36 of 321

34Keys, doors and windows
Switch off the monitoring of
passenger compartment and vehicle
inclination when animals are being
left in the vehicle, because of high
volume ultrasonic signals or
movements triggering the alarm. Also switch off when the vehicle is on a
ferry or train.
1. Close tailgate, bonnet, windows and sunroof.
2. Press button o. LED in the
button o illuminates for a
maximum of 10 minutes.
3. Close doors.
4. Activate the anti-theft alarm system.
Status message is displayed in the
Driver Information Centre.Status LED
Status LED is integrated in the sensor
on top of the instrument panel.
Status during the first 30 seconds of
anti-theft alarm system activation:
LED illuminates=test, arming delay.LED flashes
quickly=doors, tailgate or
bonnet not
completely closed,
or system fault.
Status after system is armed:
LED flashes
slowly=system is armed.Seek the assistance of a workshop in
the event of faults.
Deactivation
Radio remote control: Unlocking the
vehicle by pressing button c
deactivates anti-theft alarm system.
Electronic key system: Unlocking the
vehicle by pressing the button on any
exterior door handle deactivates anti-
theft alarm system.
The system is not deactivated when
unlocking the driver's door with the
key or with the central locking button
in the passenger compartment.
Page 39 of 321

Keys, doors and windows37
Folding mirrors with remote
control This function is only available if the
vehicle is equipped with electrical
seat memory.
Press button e
again after locking for
one second to fold in mirrors.
Press button c again after unlocking
for one second to fold out mirrors.
Pressing for three seconds activates
window operation. Power windows
3 39. Sunroof 3 41.
If the mirrors were folded in using the
control in the driver's door, they are
not folded out by pressing button c.
This function can be activated or
deactivated in the Vehicle
personalisation.
Select the relevant setting in Settings,
I Vehicle in the Colour-Info-Display.
Colour-Info-Display 3 117.
Vehicle personalisation 3 121.
The settings are automatically stored
for the key being used 3 22.
Heated mirrors
Operated by pressing the Ü button.
The LED in the button indicates
activation.
Heating works with the engine
running and is switched off
automatically after a short time.
Automatic dimming Dazzling by following vehicles at nightis automatically reduced by dimming
both exterior mirrors.
Parking assist
For mirrors with position memory, the exterior mirror on the passenger side
is automatically aimed at the rear
tyres as a parking aid when reverse
gear is selected, except during trailer
operation.
Position memory 3 49.
Activation or deactivation of this
function can be changed in the menu Settings in the Info-Display. Vehicle
personalisation 3 121.
Page 42 of 321

40Keys, doors and windows
Child safety system for rearwindows
Press switch z to deactivate rear
door power windows; the LED
illuminates. To activate, press z
again.
Comfort operating with the
remote control The windows can be operated
remotely from outside the vehicle.
Press button c again for
three seconds after unlocking: all
windows will be opened.
Press button e again for
three seconds after locking: all
windows will be closed.
Press any button to stop window
movement.
Folding mirrors 3 36.
Closing sunroof 3 41.
Confirmation
Complete opening or closing of the
windows is confirmed by the hazard
warning flashers.
Overload
If the windows are repeatedly
operated within short intervals, the
window operation is disabled for
some time.
Initialising the power windowsIf the windows cannot be closed
automatically (e.g. after
disconnecting the vehicle battery), a
warning message is displayed in the
Driver Information Centre.
Vehicle messages 3 119.
Activate the window electronics for
each window as following:
1. Close doors.
2. Switch on ignition.
3. Pull switch to the second detent until the window starts to close
and hold pulled for additional
4 seconds.
4. Push switch to the second detent until the window starts to open
automatically.
5. Repeat for each window.
Page 43 of 321
Keys, doors and windows41Heated rear window
Operated by pressing the Ü button.
The LED in the button indicates
activation.
Heating works with the engine
running and is switched off
automatically after a short time.
Sun visors The sun visors can be folded down orswivelled to the side to prevent
dazzling.
If the sun visors have integral mirrors, the mirror covers should be closed
when driving.
Roller blinds To reduce sunlight at the rear seats,pull the blind upwards using the grip
and engage it at the top of the door
frame.Roof
Sunroof9 Warning
Take care when operating the
sunroof. Risk of injury, particularly to children.
Keep a close watch on the
movable parts when operating
them. Ensure that nothing
becomes trapped in them as they
move.
Operable with ignition in position
Accessory power mode or Ignition on
power mode 3 152, 3 152.
Retained power off 3 154.