24Keys, doors and windows● 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 24.
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 3 158 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. 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 50.
Vehicle personalisation 3 123.
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 3 123.
Remote control operation
Unlocking
Press c.
46Seats, restraintsSeats, restraintsHead restraints............................ 46
Front seats ................................... 47
Seat position .............................. 47
Manual seat adjustment ............48
Power seat adjustment ..............50
Armrest ...................................... 53
Heating ...................................... 54
Ventilating .................................. 54
Massage .................................... 55
Rear seats ................................... 55
Armrest ...................................... 55
Heating ...................................... 56
Seat belts ..................................... 56
Three-point seat belt .................57
Airbag system .............................. 58
Front airbag system ...................62
Side airbag system ....................62
Curtain airbag system ...............63
Airbag deactivation ....................63
Child restraints ............................. 65
Child restraint systems ..............65
Child restraint installation locations ................................... 67Head restraints
Position9 Warning
Only drive with the head restraint
set to the proper position.
The upper edge of the head restraint
should be at upper head level. If this
is not possible for extremely tall
people, set to highest position, and
set to lowest position for small people.
Adjustment
Head restraints on front seats
Height adjustment
Press release button, adjust height,
engage.
56Seats, restraintsHeating
Activate seat heating by pressing ß
for the respective rear outer seat.
Activation is indicated by the LED in
the button.
Press ß once more to deactivate seat
heating.
Prolonged use for people with
sensitive skin is not recommended.
Seat heating is operational when engine is running and during an
Autostop.
Stop-start system 3 163.
Seat belts
The seat belts are locked during
heavy acceleration or deceleration of
the vehicle, holding the occupants in
the seat position. Thereby the risk of
injury is considerably reduced.
9 Warning
Fasten seat belt before each trip.
In the event of an accident, people
not wearing seat belts endanger their fellow occupants and
themselves.
Seat belts are designed to be used by only one person at a time.
Child restraint system 3 65.
Periodically check all parts of the belt
system for damage, soiling and
proper functionality.
Have damaged components replaced by a workshop. After an accident,
have the belts and triggered belt
pretensioners replaced by a
workshop.
Note
Make sure that the belts are not
damaged by shoes or sharp-edged objects or trapped. Prevent dirt from getting into the belt retractors.
Seat belt reminder
Indicates seat belt status for front seats by control indicators X and k,
or for rear seats by the symbol X in
the Driver Information Centre 3 107.
Belt force limiters
Stress on the body is reduced by the
gradual release of the belt during a
collision.
Seats, restraints639Warning
Keep the area in which the airbag
inflates clear of obstructions.
Note
Only use protective seat covers that have been approved for the vehicle.Be careful not to cover the airbags.
Curtain airbag system
The curtain airbag system consists of an airbag in the roof frame on each
side. This can be identified by the
word AIRBAG on the roof pillars.
The curtain airbag system is triggered
in the event of a side-on impact of a
certain severity. The ignition must be
switched on.
The inflated airbags cushion the
impact, thereby reducing the risk of
injury to the head in the event of a
side-on impact considerably.
9 Warning
Keep the area in which the airbag
inflates clear of obstructions.
The hooks on the handles in the
roof frame are only suitable for
hanging up light articles of
clothing, without coat hangers. Do not keep any items in these
clothes.
Airbag deactivation
The front passenger airbag system must be deactivated for child restraint
system on the passenger seat
according to the instructions in the
table 3 67. The side airbag and
curtain airbag systems, the belt
pretensioners and all driver airbag
systems will remain active.
The front passenger airbag system
can be deactivated via a key-
operated switch on the passenger side of the instrument panel.
84StorageAlternatively install both hooks in the
lower rail. Plug in the lower brackets
of the box from above into the lower
hooks.
Strap set
Insert the adapters of the strap set in
a rail. Make sure that the belt is not
twisted.
The strap set has two locks to open. The belt can be tightened.
Safety net
The safety net is available on the
Sports Tourer and can be installed
behind the rear seats or, if the rear
seat backrests are folded, behind the
front seats.
Passengers must not be transported
behind the safety net.
Installation
Behind the rear seats
● There are installation openings on both sides in the roof frame
above the rear seats: suspend
and engage rod of net at one side, compress rod and suspendand engage at the other side.
● Attach the hooks of safety net straps in loops underneath the
rear floor cover behind the rear
seats. To get access to the loops, open the perforated parts in the
floor cover on both sides by using
the screwdriver and fold up the
loops. Attach the hooks to the
loops.
● Tension both straps by pulling at the loose end.
● Rear seat backrests must be raised up.
90Instruments and controlsInstruments and
controlsControls ....................................... 91
Steering wheel adjustment ........91
Steering wheel controls .............91
Heated steering wheel ...............92
Horn ........................................... 92
Windscreen wiper and washer ..92
Rear window wiper and washer ...................................... 94
Outside temperature ..................95
Clock ......................................... 95
Power outlets ............................. 97
Ashtrays .................................... 98
Warning lights, gauges and indi‐ cators ........................................... 99
Instrument cluster ......................99
Speedometer ........................... 102
Odometer ................................ 103
Trip odometer .......................... 103
Tachometer ............................. 104
Fuel gauge .............................. 104
Fuel selector ............................ 104
Engine coolant temperature gauge ..................................... 105
Service display ........................ 106Control indicators ....................107
Turn lights ................................ 107
Seat belt reminder ...................107
Airbag and belt tensioners .......108
Airbag deactivation ..................108
Charging system .....................109
Malfunction indicator light ........109
Brake and clutch system .........109
Electric parking brake ..............109
Electric parking brake fault ......109
Antilock brake system (ABS) ...110
Gear shifting ............................ 110
Following distance ...................110
Lane keep assist .....................110
Electronic Stability Control off . 110
Electronic Stability Control and Traction Control system .........110
Traction Control system off .....111
Preheating ............................... 111
AdBlue ..................................... 111
Tyre pressure monitoring system .................................... 111
Engine oil pressure ..................111
Low fuel ................................... 112
Immobiliser .............................. 112
Exterior light ............................ 112
High beam ............................... 112
High beam assist .....................112
LED headlights ........................ 112
Front fog lights ......................... 112Rear fog light........................... 112
Cruise control .......................... 112
Adaptive cruise control ............113
Vehicle detected ahead ...........113
Speed limiter ........................... 113
Traffic sign assistant ................113
Door open ................................ 113
Displays ..................................... 114
Driver Information Centre ........114
Info Display .............................. 119
Vehicle messages ......................122
Warning chimes .......................122
Battery voltage ........................ 123
Vehicle personalisation ..............123
Telematics service .....................130
OnStar ..................................... 130
Instruments and controls107On Uplevel display select Info Menu
by pressing p on steering wheel.
Press P to select Remaining Oil
Life page.
Remaining oil life duration is indicated
in percentage.
Reset On Midlevel display press SET/CLR
on the indicator lever for several seconds to reset. The ignition must be
switched on but engine not running.
On Uplevel display press > on
steering wheel to open the subfolder. Select Reset and confirm by pressing
9 for several seconds. The ignition
must be switched on but engine not
running.
The system must be reset every time
the engine oil is changed to allow
proper functionality. Seek the
assistance of a workshop.
Next service A message appears in the Driver
Information Centre, when
maintenance of the vehicle is
required. Have maintenance workcarried out by a workshop within one week or 500 km, whichever occursfirst.
Service information 3 277.
Control indicators The control indicators described are
not present in all vehicles. The
description applies to all instrument
versions. Depending on the
equipment, the position of the control
indicators may vary. When the
ignition is switched on, most control
indicators will illuminate briefly as a functionality test.
The control indicator colours mean:red:danger, important reminderyellow:warning, information, faultgreen:confirmation of activationblue:confirmation of activationwhite:confirmation of activation
See all control indicators on different
instrument clusters 3 99.
Turn lights
O illuminates or flashes green.
Illuminates briefly
The parking lights are switched on.
Flashes
The turn lights or the hazard warning flashers are activated.
Rapid flashing: failure of the turn
lights or associated fuse, failure of the turn lights on the trailer.
Bulb replacement 3 235.
Fuses 3 245.
Turn lights 3 141.
Seat belt reminder Seat belt reminder on front seats
X for driver's seat illuminates or
flashes red in the instrument cluster.
108Instruments and controlsk for front passenger seat illuminates
or flashes red in the roof console,
when seat is occupied.
Illuminates
After the ignition has been switched
on until the seat belt has been
fastened.
Flashes
After having started the engine for a
maximum of 100 seconds until the
seat belt has been fastened.
Seat belt status on rear seats
(vehicles with Midlevel display)
X illuminates or flashes white or grey
in the Driver Information Centre, after having started the engine.
Illuminates white
Seat belt is unfastened.
Illuminates grey
Seat belt has been fastened.
Flashes white or grey
Fastened seat belt has been
unfastened.
Fastening the seat belt 3 57.Seat belt status on rear seats
(vehicles with Uplevel display)
X illuminates green or grey or flashes
yellow in the Driver Information
Centre, after having started the
engine.
Illuminates grey
Seat belt is unfastened.
Illuminates green
Seat belt has been fastened.
Flashes yellow
Fastened seat belt has been
unfastened.
Fastening the seat belt 3 57.
Airbag and belt tensioners v illuminates red.
When the ignition is switched on, the control indicator illuminates for
approx. 4 seconds. If it does not
illuminate, does not go out after
four seconds or illuminates whilst
driving, there is a fault in the airbag
system. Seek the assistance of aworkshop. The airbags and belt
pretensioners may fail to trigger in the
event of an accident.
Deployment of the belt pretensioners
or airbags is indicated by continuous
illumination of v.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Belt pretensioners 3 56.
Airbag system 3 58.
Airbag deactivation
V illuminates yellow.
The front passenger airbag is
activated.
* illuminates yellow.