Page 17 of 341
In brief15Horn
Press j.
Climate control
Heated rear window, heated
exterior mirrors
The heating is operated by pressing
Ü .
Heated rear window 3 35.
Demisting and defrosting the
windows
Press V.
Set the temperature control to the
highest level.
Heated rear window Ü on.
Climate control system 3 153.
Page 20 of 341

18In briefStarting off
Check before starting off ● Tyre pressure and condition 3 261, 3 307.
● Engine oil level and fluid levels 3 228.
● All windows, mirrors, exterior lighting and number plates are
free from dirt, snow and ice and
are operational.
● Proper position of mirrors, seats, and seat belts 3 30, 3 39,
3 47.
● Brake function at low speed, particularly if the brakes are wet.Starting the engine
● Turn key to position 1.
● Move the steering wheel slightly to release the steering wheel
lock.
● Operate clutch and brake.
● Automatic transmission in P or N.
● Do not operate accelerator pedal.
● Diesel engines: turn the key to position 2 for preheating and wait
until control indicator !
extinguishes.
● Turn key to position 3 and
release.
Starting the engine 3 165.
Stop-start system
If the vehicle is at a low speed or at a
standstill and certain conditions are
fulfilled, activate an Autostop as
follows:
● Depress the clutch pedal.
● Set the lever in neutral.
● Release the clutch pedal.
An Autostop is indicated by the
needle at the AUTOSTOP position in
the tachometer.
To restart the engine, depress the
clutch pedal again.
Stop-start system 3 166.
Page 33 of 341
Keys, doors and windows31Electric folding
Turn control to 0, then push the
control down. Both exterior mirrors
will fold.
Push the control down again - both
exterior mirrors return to their original position.
If an electrically folded mirror is
manually extended, pressing down
the control will only electrically extend
the other mirror.
Heated mirrors
Operated by pressing Ü.
Heating works with the engine
running and is switched off
automatically after a short time.
Interior mirrors
Manual anti-dazzle
To reduce dazzle, adjust the lever on the underside of the mirror housing.
Page 37 of 341

Keys, doors and windows35Heated rear window
Operated by pressing Ü.
Heating works with the engine
running and is switched off
automatically after a short time.
Sun visors The sun visors can be folded down or
swivelled to the side to prevent
dazzling.
If the sun visors have integral mirrors, the mirror covers should be closed
when driving.
A ticket holder is located on the
backside of the sun visor.
Roof
Sunroof9 Warning
Take care when operating the
sunroof. Risk of injury, particularly to children.
Keep a close watch on the
movable parts when operating
them. Ensure that nothing
becomes trapped in them as they
move.
Switch on ignition to operate the sunroof.
Open or close
Press p or r gently to the first
detent: sunroof is opened or closed with safety function enabled as long
as the switch is operated.
Press p or r firmly to the second
detent and then release: the sunroof
is opened or closed automatically
with safety function enabled. To stop
movement, operate the switch once
more.
Raise or close
Press q or r : sunroof is raised or
closed automatically with safety
function enabled.
Page 39 of 341

Seats, restraints37Seats, restraintsHead restraints............................ 37
Active head restraints ................38
Front seats ................................... 39
Seat position .............................. 39
Seat adjustment ........................39
Seat folding ............................... 42
Power seat adjustment ..............43
Armrest ...................................... 45
Heating ...................................... 45
Rear seats ................................... 46
Armrest ...................................... 46
Seat belts ..................................... 46
Three-point seat belt .................47
Airbag system .............................. 49
Front airbag system ...................49
Side airbag system ....................50
Curtain airbag system ...............51
Airbag deactivation ....................51
Child restraints ............................. 53
Child restraint systems ..............53
Child restraint installation locations ................................... 55
ISOFIX child restraint systems ..58
Top-tether fastening eyes ..........58Head 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 47 of 341
Seats, restraints45Adjust lumbar support using the
four-way switch to suit personal requirements.
Moving support up and down: push switch up or down.
Increasing and decreasing support:
push switch forwards or backwards.
Adjustable thigh support
Pull the lever and slide the thigh
support.
Overload
If the seat setting is electrically
overloaded, the power supply is
automatically cut-off for a short time.
Armrest
The armrest can be slid forwards by
10 cm. Under the armrest there is a
storage compartment.
Armrest storage 3 61.
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 and during an
Autostop.
Stop-start system 3 166.
Page 100 of 341

98Instruments and controlsInstruments and
controlsControls ....................................... 99
Steering wheel adjustment ........99
Steering wheel controls .............99
Heated steering wheel ...............99
Horn ......................................... 100
Windscreen wiper/washer .......100
Rear window wiper/washer .....102
Outside temperature ................102
Clock ....................................... 103
Power outlets ........................... 104
Cigarette lighter .......................105
Ashtrays .................................. 105
Warning lights, gauges and indi‐ cators ......................................... 106
Instrument cluster ....................106
Speedometer ........................... 106
Odometer ................................ 106
Trip odometer .......................... 106
Tachometer ............................. 106
Fuel gauge .............................. 107
Fuel selector ............................ 107
Engine coolant temperature gauge ..................................... 107
Service display ........................ 108Control indicators ....................109
Turn signal ............................... 112
Seat belt reminder ...................112
Airbag and belt tensioners .......112
Airbag deactivation ..................112
Charging system .....................113
Malfunction indicator light ........113
Service vehicle soon ...............113
Brake and clutch system .........113
Operate pedal .......................... 113
Electric parking brake ..............113
Electric parking brake fault ......114
Antilock brake system (ABS) ...114
Upshift ..................................... 114
Power steering ........................ 114
Lane departure warning ..........114
Ultrasonic parking assist .........115
Electronic Stability Control off . 115
Electronic Stability Control and Traction Control system .........115
Traction Control system off .....115
Preheating ............................... 115
Diesel particle filter ..................115
Tyre pressure monitoring system .................................... 116
Engine oil pressure ..................116
Low fuel ................................... 116
Immobiliser .............................. 117
Reduced engine power ...........117
Exterior light ............................ 117High beam............................... 117
High beam assist .....................117
Adaptive forward lighting .........117
Fog light ................................... 117
Rear fog light ........................... 117
Low washer fluid ......................117
Cruise control .......................... 117
Adaptive cruise control ............117
Vehicle detected ahead ...........118
Door open ................................ 118
Information displays ...................118
Driver Information Centre ........118
Graphic-Info-Display, Colour- Info-Display ............................ 122
Smartphone controller .............124
Vehicle messages ......................124
Warning chimes .......................127
Battery voltage ........................ 127
Trip computer ............................. 128
Vehicle personalisation ..............130
OnStar® system ........................135
Page 101 of 341
Instruments and controls99Controls
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
The Infotainment system, the cruise
control and a connected mobile
phone can be operated via the
controls on the steering wheel.
Further information is available in the
Infotainment system manual.
Driver assistance systems 3 183.
Heated steering wheel
Activate heating by pressing *.
Activation is indicated by the LED in
the button.