Keys, doors and windows25● Overload of the central lockingsystem by operating at frequent
intervals, the power supply is
interrupted for a short time.
● Interference from higher-power radio waves from other sources.
To rectify the cause of the fault,
change the position of the electronic
key.
Manual unlocking 3 25.
Memorised settings
Whenever the ignition is switched off, some functions of the following
settings may be automatically
memorised by the remote control unit
or the electronic key:
● automatic climate control
● lighting
● Infotainment system
● central locking system
● comfort settings
The saved settings are automatically
used the next time the ignition is
switched on with the memorised key
of the remote control unit 3 157 or
electronic key 3 23.A precondition is that Personalisation
by Driver is activated in the personal
settings of the Info-Display. This must
be set for each remote control unit or
electronic key which is used. The
status change is available only after
locking and unlocking the vehicle.
The assigned memory position of the
power seat is automatically recalled
when switching on ignition and Auto
Memory Recall is activated in the
Info-Display for the memorised
remote control or electronic key.
Power seat 3 51.
Vehicle personalisation 3 125.
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.
Note
In the event of an accident in which
airbags or belt pretensioners are
deployed, the vehicle is
automatically unlocked.Note
A short time after unlocking with the
remote control the doors are locked
automatically if no door has been
opened. A precondition is that the
setting is activated in the vehicle
personalisation 3 125.
Remote control operation
Unlocking
Press c.
Seats, restraints53Adjustable thigh support
Pull the lever and slide the thigh
support.
Side bolster
Adjust seat backrest width to suit
personal requirements.
Press e to reduce backrest width.
Press d to increase backrest width.
Memory function for power seat adjustment
Two different driver's seat settings
can be stored.
Memorised settings 3 25, Vehicle
personalisation 3 125.
Storing memory position
● Adjust driver's seat to desired position.
● Press and hold MEM and 1 or 2
simultaneously until a chime sounds.
Recall of memory positions
Press and hold 1 or 2 until the stored
seat position has been reached.
Releasing the button during seat
movement cancels the recall.
Automatic recall of memory positions
Memory positions are assigned to the driver (1 or 2) using the respective key
and are automatically recalled when
54Seats, restraintsthe ignition is switched on. In addition,a message in the Driver Information
Centre indicates the driver number,
identified by the used key. If the
ignition is switched on more than
three subsequent times with the
same key, the message will not be
displayed again until another key is
being used.
To stop recall movement, press one
of the memory or power seat controls.
Precondition is that Personalisation
by Driver and Auto Memory Recall is
activated in the personal settings of
the Info-Display.
This function can be activated or
deactivated in the vehicle
personalisation.
Select the relevant setting in the
Vehicle menu in the Info-Display.
Info-Display 3 121.
Vehicle personalisation 3 125.
Easy exit function
For a convenient exit out of the
vehicle, the power driver seat moves
rearwards when vehicle is stationary.To activate the easy exit function:
● set selector lever to position P
(automatic transmission)
● apply parking brake (manual transmission)
● switch off ignition
● remove key from the ignition switch
● open the driver's door
If the door is already open, switch off ignition to activate easy exit.
To stop movement, press one of the
memory or power seat controls.
This function can be activated or
deactivated in the vehicle
personalisation.
Select the relevant setting in the Vehicle menu in the Info-Display.
Info-Display 3 121.
Vehicle personalisation 3 125.
Safety function
If the driver's seat encounters
resistance during movement, the
recall may stop. After removing the
obstruction, press and hold the
appropriate memory position buttonfor two seconds. Try recalling the
memory position again. If the recall
does not operate, consult a
workshop.
Overload
If the seat setting is electrically
overloaded, the power supply is
automatically cut-off for a short time.
Note
After an accident in which airbags have been deployed, the memory
function for each position button will
be deactivated.
Armrest
126Instruments and controls●Comfort Settings
Auto Memory Recall : Changes
the settings to the recall of
memorised settings for power
seat adjustment.
Easy Exit Driver Seat : Activates
or deactivates easy exit function of the power seat.
Chime Volume : Changes the
volume of warning chimes.
Personalisation by Driver :
Activates or deactivates the
personalisation function.
Rain Sense Wipers : Activates or
deactivates automatic wiping
with rain sensor.
Rear Auto Wipe in Reverse :
Activates or deactivates
automatic switching on of the
rear window wiper when reverse gear is engaged.
● Exterior Ambient Lighting
Exterior lighting by unlocking :
Activates or deactivates the entry
lighting.
Duration upon exit of vehicle :
Activates or deactivates andchanges the duration of exit
lighting.
Left or Right Hand Traffic :
Changes between lighting for left or right-hand traffic.
Adaptive Forward Lighting :
Changes the settings of the
functions of the LED headlights.
● Power Door Locks
Stop door lock if door open :
Activates or deactivates the door
locking function while a door is open.
Auto Door Lock : Activates or
deactivates the automatic door
locking function after switching on ignition.
Delayed Door Lock : Activates or
deactivates the delayed door
locking function. This feature
delays the actual locking of the
doors until all doors are closed.
● Remote Lock, Unlock, and Start
Remote Unlock Feedback :
Activates or deactivates the
hazard warning flasher feedback whilst unlocking.Remote Lock Feedback :
Changes what kind of feedback
is given when locking the vehicle.
Remote Door Unlock : Changes
the configuration to unlock only
the driver's door or the whole
vehicle whilst unlocking.
Auto Relock Doors : Activates or
deactivates the automatic relock
function after unlocking without
opening the vehicle.
Remote Window Operation :
Activates or deactivates the
operation of power windows with
remote control.
Passive Door Unlock : Changes
the configuration to unlock only
the driver's door or the whole
vehicle whilst unlocking.
Passive Door Lock : Activates or
deactivates the passive locking
function. This feature locks the
vehicle automatically after
several seconds if all doors have been closed and an electronic
key has been removed from the
vehicle.
Instruments and controls127Remote Left in Vehicle Alarm:
Activates or deactivates the
warning chime when the
electronic key remains in the
vehicle.
● Restore Factory Settings :
Resets all settings to the default settings.
● Valet Mode :
See Infotainment manual.
Personal settings 7" Colour-Info-Display
Press ;, select Settings and then
Vehicle on the touch-screen.In the corresponding submenus the
following settings can be changed:
Vehicle ● Climate & Air Quality
Auto Fan Max Speed : Modifies
the level of the cabin airflow of the climate control in automatic
mode.
Auto Heated Seats :
Automatically activates the seat
heating.
Auto Defog : Supports
windscreen dehumidification by
automatically selecting the
necessary settings and
automatic air conditioning mode.
Auto Rear Defog : Automatically
activates heated rear window.
● Collision / Detection Systems
Rear View Camera Guidelines :
Activates or deactivates the rear
view camera guidelines on the
Info Display.
Forward Collision Alert :
Activates or deactivates forward
collision alert.Auto Collision Preparation :
Activates or deactivates the
automatic brake functionality of
the vehicle in the event of
imminent collision danger. The
following is selectable: the
system will take over brake
control, warn by chimes only or is
deactivated completely.
Forward Collision System :
Changes the settings of forward
collision alert.
Park Assist : Activates or
deactivates the ultrasonic
parking assist. Activation is
selectable with or without
attached trailer coupling.
Go Notifier : Activates or
deactivates the reminder to drive
off when the adaptive cruise
control holds the vehicle at
standstill.
Side Blind Zone Alert : Activates
or deactivates side blind zone alert.
● Comfort and Convenience
Auto Memory Recall : Changes
the settings to the recall of
Instruments and controls129Personal settings8" Colour-Info-Display
Press ; then select the SETTINGS
icon.
In the corresponding submenus the
following settings can be changed:
Vehicle ● Climate and Air Quality
Auto Fan Speed : Modifies the
level of the cabin airflow of the
climate control in automatic
mode.
Auto Heated Seats :
Automatically activates the seat
heating.
Auto Demist : Supports
windscreen dehumidification by
automatically selecting the
necessary settings and
automatic air conditioning mode.
Auto Rear Demist : Automatically
activates heated rear window.
● Collision / Detection Systems
Forward Collision Alert : Activates
or deactivates forward collision
alert.
Auto Collision Preparation :
Activates or deactivates the
automatic brake functionality of
the vehicle in the event of
imminent collision danger. The
following is selectable: the
system will take over brake
control, warn by chimes only or is
deactivated completely.
Park Assist : Activates or
deactivates the ultrasonic
parking assist. Activation is
selectable with or without
attached trailer coupling.Go Notifier : Activates or
deactivates the reminder function
of the adaptive cruise control.
Side Blind Zone Alert : Activates
or deactivates side blind zone alert.
● Comfort and Convenience
Auto Memory Recall : Changes
the settings to the recall of
memorised settings for power
seat adjustment.
Easy Exit Driver Seat : Activates
or deactivates easy exit function of the power seat.
Chime Volume : Changes the
volume of warning chimes.
Personalisation by Driver :
Activates or deactivates the
personalisation function.
Rainsense Wipers : Activates or
deactivates automatic wiping with rain sensor.
Auto Wipe in Reverse Gear :
Activates or deactivates automatic switching on of the
rear window wiper when reverse
gear is engaged.
Vehicle care251No.Circuit1Rear seat heating (only for vehi‐cles without alarm horn)2Climate control system, fan3Power seat driver side4Power seat passenger side5–6Power window front7ABS8Heated steering wheel9Body control module 810Power window rear11Sunroof12Body control module 413Seat heating (only on vehicles
without alarm horn)14Exterior mirror15Body control module 116Body control module 7No.Circuit17Body control module 618Body control module 319Data link connector20Airbag system21Climate control system22Central locking system, tailgate23Electronic key system24Power seat memory function25Airbag system steering wheel26Ignition switch/Steering column
lock27Body control module 228USB socket29Cigarette lighter/Power outlet
front30Selector lever31Rear window wiper32Transmission control module