Page 17 of 259
In brief15Climate control
Heated rear window
The heating is operated by pressing
b .
Heated rear window 3 37.
Heated exterior mirrors 3 34.
Demisting and defrosting the
windows
● Press à: the air distribution is
directed towards the windscreen.
● Set temperature controller £ to
warmest level.
● Switch on air conditioning A/C if
required.
● Set fan speed Z to highest level.
● Switch on heated rear window b.
● Switch on heated windscreen ,.
● Open side air vents as required and direct them towards the doorwindows.
Electronic climate control system3 121.
Heating and ventilation system
3 117.
Air conditioning system 3 118.
Heated windscreen 3 38.
Page 19 of 259
In brief17Starting the engineIgnition switch
● Turn key to position 1.
● Move the steering wheel slightly to release the steering wheel
lock.
● Manual transmission: operate clutch and brake pedal.
Automatic transmission: operate
brake pedal and move selector
lever to P or N.
● Do not operate accelerator pedal.
● Diesel engine: wait until control
indicator ! for preheating
extinguishes.
● Turn key to position 2 and
release after engine has been
started.
Starting the engine 3 133.Power button
● Manual transmission: operate
clutch and brake pedal.
● Automatic transmission: operate brake pedal and move selector
lever to P or N.
● Do not operate accelerator pedal.
● Press Start/Stop button.
● Release button after starting procedure begins.
Page 36 of 259
34Keys, doors and windowsFolding mirrors
For pedestrian safety, the exterior
mirrors will swing out of their normal
mounting position if they are struck
with sufficient force. Reposition the mirror by applying slight pressure tothe mirror housing.
Electric folding
Pull mirror button rearwards. Both
exterior mirrors will fold.
Pull mirror button rearwards again to return both exterior mirrors to their
original position.
If an electrically folded mirror is
manually extended, pulling mirror
button rearwards will only electrically
extend the other mirror.
Heated mirrors
Operated by pressing b.
Heating works with the engine
running and is switched off
automatically after a short time.
Heated rear window 3 37.
Page 39 of 259

Keys, doors and windows37Child safety system for rear
windows
Press V to deactivate rear door
power windows; the LED illuminates.
To activate, press V again.
Operating windows from outside
The windows can be operated
remotely from outside the vehicle.
Press and hold e to close windows.
Release button to stop window
movement.
If the windows are fully closed, the
hazard warning lights will flash twice.
Overload
If the windows are repeatedly
operated within short intervals, the
window operation is disabled for
some time.
Initialising the power windows
If 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 99.
Activate the window electronics as
follows:
1. Close doors.
2. Switch on ignition.
3. Pull switch until the window is closed and keep pulling for
additional two seconds.
4. Push switch until the window is completely open and keep
pushing for additional
two seconds.
5. Repeat for each window.
Heated rear window
Operated by pressing b together with
heated exterior mirrors.
Heating works with the engine
running and is switched off
automatically after a short time.
Page 40 of 259
38Keys, doors and windowsDepending on climate control system,b is located at a different position.
Climate Control systems 3 117.
Vehicles with heating and
ventilation system or air
conditioning systemVehicles with electronic climate
control system
Heated windscreen
Operated by pressing ,. LED in
button illuminates.
Heating works with the engine
running and is switched off
automatically after a short time.
Depending on climate control
system, , is located at a different
position.
Vehicles with electronic climate
control system
Vehicles with air conditioning
system
Page 43 of 259

Seats, restraints41Seats, restraintsHead restraints............................ 41
Front seats ................................... 42
Seat position .............................. 42
Seat adjustment ........................43
Armrest ...................................... 45
Heating ...................................... 45
Rear seats ................................... 46
Armrest ...................................... 46
Seat belts ..................................... 47
Three-point seat belt .................48
Airbag system .............................. 50
Front airbag system ...................53
Side airbag system ....................53
Curtain airbag system ...............54
Airbag deactivation ....................55
Child restraints ............................. 56
Child restraint systems ..............56
Child restraint installation locations ................................... 59Head 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.
Head restraints on front seats
Height adjustment
Press release button, adjust height,
engage.
Page 47 of 259
Seats, restraints45Adjustable thigh support
Pull the lever and slide the thigh
support.
Armrest
Armrest can be folded up.
Heating
Adjust heating to the desired setting
by pressing 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.
Seat heating is operational when
engine is running.
During an Autostop, seat heating is also operational.
Stop-start system 3 135.
Page 73 of 259

Instruments and controls71Instruments and
controlsControls ....................................... 72
Steering wheel adjustment ........72
Steering wheel controls .............72
Heated steering wheel ...............72
Horn ........................................... 73
Windscreen wiper and washer ..73
Rear window wiper and washer ...................................... 75
Outside temperature ..................75
Clock ......................................... 76
Power outlets ............................. 76
Inductive charging .....................77
Cigarette lighter ......................... 78
Ashtrays .................................... 78
Warning lights, gauges and indi‐ cators ........................................... 79
Instrument cluster ......................79
Speedometer ............................. 83
Odometer .................................. 83
Trip odometer ............................ 83
Tachometer ............................... 83
Fuel gauge ................................ 84
Fuel selector .............................. 84Engine coolant temperature
gauge ....................................... 85
Engine oil level monitor .............86
Service display .......................... 86
Control indicators ......................87
Turn lights .................................. 87
Seat belt reminder .....................87
Airbag and belt tensioners .........88
Airbag deactivation ....................88
Charging system .......................88
Malfunction indicator light ..........89
Service vehicle soon .................89
Stop engine ............................... 89
System check ............................ 89
Brake and clutch system ...........89
Antilock brake system (ABS) .....90
Gear shifting .............................. 90
Lane departure warning ............90
Electronic Stability Control and Traction Control system ...........90
Electronic Stability Control and Traction Control system off ......90
Engine coolant temperature ......91
Preheating ................................. 91
Diesel particle filter ....................91
AdBlue ....................................... 91
Deflation detection system ........91
Engine oil pressure ....................91
Low fuel ..................................... 92
Autostop .................................... 92Exterior light.............................. 92
High beam ................................. 92
High beam assist .......................92
Low beam .................................. 92
Fog light ..................................... 92
Rear fog light ............................. 92
Rain sensor ............................... 92
Cruise control ............................ 93
Side blind spot alert ...................93
Active emergency braking .........93
Speed limiter ............................. 93
Door open .................................. 93
Displays ....................................... 93
Driver Information Centre ..........93
Info Display ................................ 96
Head-up display ........................97
Vehicle messages ........................99
Warning chimes .........................99
Battery voltage ........................ 100
Vehicle personalisation ..............100
Telematics service .....................104
OnStar ..................................... 104