Page 39 of 267

Seats, restraints37Seats, restraintsHead restraints............................ 37
Front seats ................................... 38
Seat position .............................. 38
Manual seat adjustment ............39
Armrest ...................................... 40
Heating ...................................... 41
Rear seats ................................... 42
Armrest ...................................... 42
Heating ...................................... 42
Seat belts ..................................... 42
Three-point seat belt .................43
Airbag system .............................. 45
Front airbag system ...................48
Side airbag system ....................48
Curtain airbag system ...............49
Airbag deactivation ....................49
Child restraints ............................. 51
Child restraint systems ..............51
Child restraint installation locations ................................... 53Head 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.
Page 43 of 267

Seats, restraints41Heating
Adjust heating to the desired setting
by touching ß for the respective seat
one or more times. The control
indicator in the button indicates the
setting.
Prolonged use of the highest setting
for people with sensitive skin is not
recommended.
Auto heated seats
When the vehicle is on, this feature
will automatically activate seat
heating at the level required by the
vehicle's interior temperature.
The indicators next to the seat
heating symbol on the touch screen
indicate the heat setting.
Use the touch screen button to turn
auto heated seats off.
The auto heated seat feature can be programmed to always be enabled
when the vehicle is on.
Vehicle personalisation 3 91.
Deactivation To deactivate auto heated seat, touchß AUTO on the touch screen.
Remote start heated seats When it is cold outside, the heatedseats can be turned on automaticallyduring a remote vehicle start.
The heated seats will be cancelled
when POWER m is pressed. If the
vehicle has auto heated seats, the
seat heating level will automatically
change to the level required by the
vehicle's interior temperature when
the vehicle is turned on.
The temperature performance of an
unoccupied seat may be reduced.The heated seats will not switch on
during a remote start unless the
heated seat feature is enabled in
vehicle personalisation 3 91.
Page 44 of 267
42Seats, restraintsRear seats
Armrest
Fold armrest down. The armrest
contains cupholders.
Heating
Activate seat heating by pressing ß
in the door panel 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.
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.
Page 66 of 267

64Instruments and controlsInstruments and
controlsControls ....................................... 65
Steering wheel adjustment ........65
Steering wheel controls .............65
Heated steering wheel ...............65
Horn ........................................... 66
Pedestrian safety alert ...............66
Windscreen wiper/washer .........66
Rear window wiper/washer .......67
Outside temperature ..................68
Clock ......................................... 68
Power outlets ............................. 69
Inductive charging .....................70
Warning lights, gauges and indi‐ cators ........................................... 72
Instrument cluster ......................72
Speedometer ............................. 74
Odometer .................................. 74
Battery gauge ............................ 74
Driving efficiency gauge ............74
Power indicator gauge ...............76
Regenerative braking ................76
Total vehicle range ....................77
Service display .......................... 77
Control indicators ......................77Turn signal................................. 77
Seat belt reminder .....................77
Airbag and belt tensioners .........78
Airbag deactivation ....................78
Charging system .......................78
Service vehicle soon .................79
Brake system ............................. 79
Electric parking brake ................79
Electric parking brake fault ........79
Antilock brake system (ABS) .....79
Sport mode ................................ 80
Lane keep assist .......................80
Electronic Stability Control off ...80
Electronic Stability Control and Traction Control system ...........80
Traction Control system off .......80
Tyre pressure monitoring system ...................................... 80
Immobiliser ................................ 80
Vehicle ready ............................. 81
Exterior light .............................. 81
High beam ................................. 81
High beam assist .......................81
Rear fog light ............................. 81
Cruise control ............................ 81
Vehicle detected ahead .............81
Pedestrian detection ..................81
Speed limiter ............................. 81
Traffic sign assistant ..................81
Door open .................................. 82Information displays.....................82
Driver Information Centre ..........82
Info display ................................ 85
Vehicle messages ........................89
Warning chimes .........................90
Battery voltage .......................... 90
Vehicle personalisation ................91
Telematics service .......................94
OnStar ....................................... 94
Page 67 of 267
Instruments and controls65Controls
Steering wheel adjustment
Unlock lever, adjust steering wheel,
then engage lever and ensure it is
fully locked.
Do not adjust steering wheel unless
vehicle is stationary and steering
wheel lock has been released.
Steering wheel controls
Driver Information Centre, some
driver assistance systems,
Infotainment system and a connected
mobile phone can be operated via the controls on the steering wheel.
Driver Information Centre 3 82.
Driver assistance systems 3 163.
Further information is available in the
Infotainment section 3 107.
Heated steering wheel
Activate heating by pressing A.
Activation is indicated by the LED in
the button.
Page 68 of 267

66Instruments and controlsThe recommended grip areas of the
steering wheel are heated quicker
and to a higher temperature than the
other areas.
Heating is operational after the
vehicle has been started.
Horn
Press j
.
Pedestrian safety alert Pedestrian safety signal enables thedriver to alert people who may not
hear the vehicle approaching.
The automatic sound is generated to
indicate the vehicle presence to
pedestrians. The sound changes if the vehicle is speeding up or slowing
down. It is activated when the vehicle
is shifted into a forward gear or R, up
to 23 km/h.
This feature can be deactivated in the vehicle settings.
Vehicle personalisation 3 91.
Windscreen wiper/washerHI:fastLO:slowAUTO:automatic wiping with rain
sensorOFF:off
In AUTO position, the rain sensor
detects the amount of water on the
windscreen and automatically
regulates the frequency of the
windscreen wiper.
For a single wipe when the
windscreen wiper is off, press the
lever downwards to position 1x.
Do not use if the windscreen is frozen.
Switch off in car washes.
Adjustable sensitivity of the rain
sensor
Page 90 of 267

88Instruments and controls●Climate settings includes how the
heating and air conditioning are
used.
● Outside temperature includes the
effect that hot or cold air has on
vehicle aerodynamics.
● Score is the sum of the individual
scores.
The individual scores provide an
understanding of how electric
economy are different from day-to-
day, even when travelling the same
route.
All values are reset after a complete
charge and may not be stable until
approximately 16 km have been
driven.Efficiency History
The Efficiency History graph shows
the average economy over the last
50 km.
The present bar provides the average economy for the current 5 km.
Touch Reset to clear the history data.
Energy settings
To view and change the Energy
settings , touch Energy and then
Energy settings . Use the arrows to
scroll through the list.
The following list of menu items may
be available:
● Location-based charging : This
feature allows the charging settings to be remembered at the
saved GPS coordinates for the
Home location.
Location based charging in
Programmable charging 3 196.
Page 92 of 267

90Instruments and controlsSome important messages may
appear additionally in the Info display.
Some messages only pop-up for a few seconds.
Warning chimes When starting the propulsion
system or whilst driving
Only one warning chime will sound at a time.
The warning chime regarding not
fastened seat belts has priority over
any other warning chime.
● If seat belt is not fastened.
● If a door or the tailgate is not fully
closed when starting off.
● If a certain speed is exceeded with parking brake applied.
● If approaching a vehicle ahead too rapidly.
● If a programmed speed or speed
limit is exceeded.
● If a warning message appears in the Driver Information Centre.
● If the electronic key is not in the passenger compartment.● If the parking assist detects an object.
● If an unintended lane change occurs.
● If safety function of the power tailgate detects obstacles in the
moving area.
When the vehicle is parked and /
or the driver's door is opened
● With exterior lights on.
Battery voltage When the voltage of the 12 V vehicle
battery is running low, a warning
message will appear in the Driver
Information Centre.
1. Switch off any electrical consumers which are not requiredfor a safe drive, e.g. seat heating,
heated rear window or other main consumers.
2. Charge the 12 V vehicle battery by
driving continuously for a while or
by using a charging device.The warning message will disappear
after the vehicle has been started
twice without a voltage drop.
If the 12 V vehicle battery cannot be
recharged, have the cause of the fault
remedied by a workshop.