6In briefIn briefInitial drive informationVehicle unlocking
Press c
to unlock the doors and load
compartment. Open the doors by
pulling the handles. To open the
tailgate, pull the button under the
tailgate moulding.
Press x; only the load
compartment is unlocked and opens.
Radio remote control 3 21, Central
locking system 3 24, Electronic key
system 3 22, Load compartment
3 29.
Seat adjustment
Longitudinal adjustment
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 47, Manual seat
adjustment 3 48, Power seat
adjustment 3 50.
In brief111Power windows .....................40
2 Central locking system ..........24
3 Exterior mirrors .....................37
4 Light switch ........................ 128
Headlight range
adjustment ......................... 131
Front/rear fog lights ............135
Instrument illumination .......136
5 Side air vents ...................... 151
6 Turn and lane-change
signals, headlight flash,
low/high beam, high beam assist ................................... 134
Exit lighting ......................... 138
Parking lights ...................... 135
Buttons for Driver
Information Centre ..............110
7 Cruise control .....................180
Speed limiter ....................... 182
Adaptive cruise control .......183
Forward collision alert .........1908Instruments .......................... 99
Driver Information Centre .... 110
9 Buttons for Driver
Information Centre ..............110
10 Windscreen wiper and
washer, headlight washer,
rear wiper and washer .........86
11 Centre air vents .................. 151
12 Sport/Tour mode ................177
Traction Control system .....175
Electronic Stability Control . 176
Hazard warning flashers ....134
Parking assist/Advanced
parking aid ......................... 196
Lane departure warning .....212
13 Anti-theft alarm system
status LED ........................... 34
14 Colour-Info-Display ............117
15 Glovebox .............................. 69
Fuse box ............................ 24816Control indicator for airbag
activation/deactivation .......104
Control indicator for front
passenger seat belt ...........103
17 Controls for Colour-Info-
Display operation ................117
18 CD-slot
19 Climate control system ........ 140
20 Electric parking brake .........173
21 Manual transmission ..........171
Automatic transmission ......167
22 Storage ................................. 69
23 Eco button for stop-start
system ................................. 159
Fuel selector button ............101
24 Ignition/Power switch ..........155
25 Horn ..................................... 86
26 Steering wheel adjustment ..85
27 Bonnet release lever ..........226
28 Storage compartment ...........70
20Keys, doors and windowsKeys, doors and
windowsKeys, locks ................................... 20
Keys .......................................... 20
Car Pass .................................... 21
Radio remote control .................21
Electronic key system ................22
Memorised settings ...................23
Central locking system ..............24
Automatic locking ......................27
Child locks ................................. 28
Doors ........................................... 29
Load compartment ....................29
Vehicle security ............................ 33
Anti-theft locking system ...........33
Anti-theft alarm system ..............34
Immobiliser ................................ 36
Exterior mirrors ............................ 37
Convex shape ........................... 37
Electric adjustment ....................37
Folding mirrors .......................... 37
Heated mirrors ........................... 38
Automatic dimming ....................38
Parking assist ............................ 38Interior mirrors............................. 39
Manual anti-dazzle ....................39
Automatic anti-dazzle ................39
Windows ...................................... 39
Windscreen ............................... 39
Manual windows ........................40
Power windows ......................... 40
Heated rear window ..................42
Sun visors .................................. 42
Roller blinds ............................... 42
Roof ............................................. 43
Sunroof ...................................... 43Keys, 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 3 270, Radio remote control
3 21, Electronic key 3 22, Central
locking 3 24, Starting the engine
3 158.
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 3 260.
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
Enables operation of the following
functions via the use of the remote control buttons:
● central locking system 3 24
● anti-theft locking system 3 33
● anti-theft alarm system 3 34
● tailgate 3 29
● power windows 3 40
● sunroof 3 43
● mirror folding 3 37
The remote control has a range of
approx. 50 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.
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.
22Keys, doors and windows
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 will be
synchronised when you switch on the
ignition.
Fault
If the central locking system cannot
be operated with the radio remote
control, the cause may be one of the
following:
● Fault in radio remote control.
● The range is exceeded.
● The battery voltage is too low.
● Frequent, repeated operation of the radio remote control while notin 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.
Manual unlocking 3 24.Electronic key system
Enables a keyless operation of the
following functions:
● central locking system 3 24
● tailgate 3 29
● ignition switching on and starting the engine 3 158
The electronic key simply needs to be on the driver's person.
Additionally, the electronic key
includes the functionality of the radio
remote control 3 21.
Handle with care, protect from
moisture and high temperatures and
avoid unnecessary operation.
Keys, doors and windows23Notice
Do not put the electronic key in the
load compartment or in front of the
Info-Display.
Replacing battery in electronic
key
Replace the battery as soon as the
system no longer operates properly or the range is reduced. The need for battery replacement is indicated by a
message in the Driver Information
Centre 3 119.
Battery replacement, see 'Radio
remote control' 3 21.
Electronic key synchronisation
The electronic key synchronises itself automatically during every starting
procedure.Fault
If the central locking cannot be
operated or the engine cannot be
started, the cause may be one of the
following:
● Fault in electronic key.
● Electronic key is out of reception range.
● The battery voltage is too low.
● 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.
To rectify the cause of the fault,
change the position of the electronic
key.
Manual unlocking 3 24.
Memorised settings
Whenever the ignition is switched off, the following settings are
automatically memorised by the
remote control unit or the electronic
key:● automatic climate control
● lighting
● Infotainment system
● central locking system
● Sport mode settings
● comfort settings
The saved settings are automatically used the next time the ignition is
switched on with the memorised key
with remote control unit 3 155 or
electronic key 3 22.
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.
Also memorised are the adjustments
of the driver's seat and exterior
mirrors, independent of the memory
positions 3 50.
Power seat automatically moves into the saved position when unlocking
and opening the driver's door with the
memorised remote control or
electronic key and Auto Memory
Recall in the Info-Display is activated.
Vehicle personalisation 3 121.
24Keys, doors and windowsCentral 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 locked
automatically if no door has been
opened.Remote control operation
Unlocking
Press c.
Unlocking mode can be set in the
vehicle personalisation menu in the
Colour-Info-Display. Two settings are selectable:
● All doors, load compartment and fuel filler flap are unlocked by
pressing c once.
● Only the driver's door, load compartment and fuel filler flap
are unlocked by pressing c once.
To unlock all doors, press c
twice.
Select the relevant setting in Settings,
I Vehicle in the Colour-Info-Display.
Colour-Info-Display 3 117.
Vehicle personalisation 3 121.
The setting can be saved for the remote control being used.
Memorised settings 3 23.
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.
Keys, doors and windows25Unlocking and opening the tailgate4-door Saloon, Country Tourer,
Sports Tourer with power tailgate
Press x when the ignition is off until
tailgate opens automatically. The
doors remain locked.
Power tailgate 3 29.
Confirmation
Operation of central locking system is
confirmed by the hazard warning
flashers.
Electronic key system operation
The electronic key must be outsidethe vehicle, within a range of approx.
one metre of the relevant door side.
Unlocking
Press the button on any exterior door
handle and pull the handle.
Unlocking mode can be set in the
vehicle personalisation menu in the
Colour-Info-Display. Two settings are selectable:
● All doors, load compartment and fuel filler flap are unlocked by
pressing a button on any exterior
handle once.
● Only the driver's door, load compartment and fuel filler flapare unlocked by pressing the
button on driver's door exterior
handle once. To unlock all doors, press button twice.
Select the relevant setting in Settings,
I Vehicle in the Colour-Info-Display.
Colour-Info-Display 3 117.
Vehicle personalisation 3 121.
The setting can be saved for the
electronic key being used.
Memorised settings 3 23.