Page 54 of 273
52Seats, restraintsVentilating
Activate ventilation by pressing A for
the respective front seat.
Ventilated seats are operational when
engine is running and during an
Autostop.
Stop-start system 3 140.
Rear seats
Armrest
Fold armrest down. The armrest
contains cupholders.
Heating
Adjust seat heating by turning thumb
wheel ß for the respective rear outer
seat to the desired 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.
Page 81 of 273

Instruments and controls79Instruments and
controlsControls ....................................... 80
Steering wheel adjustment ........80
Steering wheel controls .............80
Heated steering wheel ...............80
Horn ........................................... 81
Windscreen wiper and washer ..81
Rear window wiper and washer ...................................... 83
Outside temperature ..................83
Clock ......................................... 84
Power outlets ............................. 85
Inductive charging .....................87
Cigarette lighter ......................... 87
Ashtrays .................................... 88
Warning lights, gauges and indi‐ cators ........................................... 88
Instrument cluster ......................88
Speedometer ............................. 90
Odometer .................................. 91
Trip odometer ............................ 91
Tachometer ............................... 91
Fuel gauge ................................ 92
Engine coolant temperature gauge ....................................... 92Engine oil level monitor.............92
Service display .......................... 93
Control indicators ......................94
Turn lights .................................. 94
Seat belt reminder .....................94
Airbag and belt tensioners .........95
Airbag deactivation ....................95
Charging system .......................95
Malfunction indicator light ..........95
Stop engine ............................... 96
System check ............................ 96
Brake and clutch system ...........96
Electric parking brake ................96
Electric parking brake fault ........96
Antilock brake system (ABS) .....97
Gear shifting .............................. 97
Lane departure warning ............97
Lane keep assist .......................97
Electronic Stability Control and Traction Control system ...........97
Engine coolant temperature ......97
Preheating ................................. 98
Diesel particle filter ....................98
AdBlue ....................................... 98
Deflation detection system ........98
Engine oil pressure ....................98
Low fuel ..................................... 99
Autostop .................................... 99
Exterior light .............................. 99
High beam ................................. 99Low beam.................................. 99
High beam assist .......................99
LED headlights .......................... 99
Fog light ................................... 100
Rear fog light ........................... 100
Rain sensor ............................. 100
Cruise control .......................... 100
Adaptive cruise control ............100
Vehicle detected ahead ...........100
Side blind spot alert .................100
Active emergency braking .......100
Speed limiter ........................... 101
Door open ................................ 101
Displays ..................................... 101
Driver Information Centre ........101
Info Display .............................. 103
Vehicle messages ......................105
Warning chimes .......................105
Battery voltage ........................ 105
Vehicle personalisation ..............106
Telematics service .....................109
OnStar ..................................... 109
Page 82 of 273
80Instruments and controlsControlsSteering 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
Some driver assistance systems,
Infotainment system and a connected mobile phone can be operated via the
controls on the steering wheel.
Further information is available in the
Infotainment manual.
Driver assistance systems 3 158.
Heated steering wheel
Activate heating by pressing *.
Activation is indicated by the LED in
the button.
Page 83 of 273
Instruments and controls81The recommended grip areas of the
steering wheel are heated quicker
and to a higher temperature than the
other areas.
Heating is operational when the
engine is running and during an
Autostop.
Stop-start system 3 140.
Horn
Press j.
Windscreen wiper and
washer
Windscreen wiper with adjustable
wiper intervalHI:fastLO:slowINT:interval wipingOFF:off
For a single wipe when the
windscreen wiper is off, press the
lever down to position 1x.
Do not use if the windscreen is frozen.
Switch off in car washes.
Adjustable wiper interval
Wiper lever in position INT.
Turn the adjuster wheel to adjust the
desired wipe interval.
Page 92 of 273
90Instruments and controlsOverviewOTurn signal 3 94XSeat belt reminder 3 94vAirbag and belt tensioners
3 95VAirbag deactivation 3 95pCharging system 3 95ZMalfunction indicator light
3 95HService vehicle soon 3 93STOPStop engine 3 96JSystem check 3 96RBrake and clutch system
3 96oElectric parking brake
3 96uAntilock brake system (ABS)
3 97RGear shifting 3 97)Lane departure warning
3 97LLane keep assist 3 97bElectronic Stability Control
and Traction Control system
3 97!Preheating 3 98%Diesel particle filter 3 98YAdBlue 3 98wDeflation detection system
3 98IEngine oil pressure 3 98Y oLow fuel 3 99W oEngine coolant temperature
high 3 97DAutostop 3 998Exterior light 3 999Low beam 3 99CHigh beam 3 99fHigh beam assist 3 99>Fog light 3 100øRear fog light 3 100
3 171hDoor open 3 101
Speedometer
Indicates vehicle speed.
Page 100 of 273

98Instruments and controlsIlluminates when the engine is
running
Stop, switch off engine.Caution
Coolant temperature too high.
Check coolant level immediately
3 206.
If there is sufficient coolant, consult a workshop.
Preheating
! illuminates yellow.
Preheating of diesel engine is
activated. Only activates when
outside temperature is low. Start the
engine when control indicator
extinguishes.
Diesel particle filter % or H illuminates yellow.
The diesel particle filter requires
cleaning.
Continue driving until the control
indicator extinguishes.
Illuminates temporarily Start of saturation of the particle filter.
Start cleaning process as soon as possible by driving at a vehicle speed
of at least 60 km/h.
Illuminates constantlyIndication of a low additive level. Seek
the assistance of a workshop.
Diesel particle filter 3 143.
AdBlue
Y flashes or illuminates yellow.
Illuminates yellow
The remaining driving range is
between 600 km and 2400 km.
Have the AdBlue® topped-up as soon as possible by a qualified workshop.
You can add up to 10 l of AdBlue to its tank.Flashes yellow
The remaining driving range is
between 0 km and 600 km.
Top-up the AdBlue as soon as
possible to avoid a breakdown by a
qualified workshop. You can add up
to 10 l of AdBlue to its tank.
Deflation detection system
w illuminates or flashes yellow.
Illuminates
Tyre pressure loss in one or more
wheels. Stop immediately and check
tyre pressure.
Flashes
Fault in system. Consult a workshop.
Deflation detection system 3 223.
Engine oil pressure I illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Page 126 of 273

124Climate controlClimate controlClimate control systems.............124
Heating and ventilation system 124
Air conditioning system ...........125
Electronic climate control system .................................... 127
Auxiliary heater ........................132
Air vents ..................................... 132
Adjustable air vents .................132
Fixed air vents ......................... 133
Glovebox cooler ......................133
Maintenance .............................. 133
Air intake ................................. 133
Pollen filter ............................... 133
Air conditioning regular operation ................................ 133
Service .................................... 133Climate control systems
Heating and ventilation system
Controls for: ● temperature £
● air distribution l, M and K
● fan speed Z
● demisting and defrosting à
● heated rear window and exterior mirrors b
● heated seats ß
Heated rear window b 3 41.
Heated exterior mirrors b3 39.
Heated seats ß 3 51.
Temperature
Adjust the temperature by turning
£ to the desired temperature.red area:warmerblue area:colder
Heating will not be fully effective until
the engine has reached normal
operating temperature.
Air distribution
l:to windscreen and front door
windowsM:to head area via adjustable air
ventsK:to foot well and windscreen
All combinations are possible.
Fan speed
Adjust the air flow by turning Z to the
desired speed.
clockwise:increaseanticklockwise:decrease
Page 128 of 273

126Climate controlHeating will not be fully effective until
the engine has reached normal
operating temperature.
Air distributionl:to windscreen and front door
windowsM:to head area via adjustable air
ventsK:to foot well and windscreen
All combinations are possible.
Fan speed
Adjust the air flow by turning Z to the
desired speed.
clockwise:increaseanticlockwise:decreaseCooling A/C
Press A/C to switch on cooling. The
LED in the button illuminates to
indicate activation. Cooling is only
functional when the engine is running and fan is switched on.
Press A/C again to switch off cooling.
The air conditioning system cools and
dehumidifies (dries) as soon as the
outside temperature is slightly above
the freezing point. Therefore,
condensation may form and drip from
under the vehicle.
If no cooling or drying is required,
switch off the cooling system for fuel
saving reasons.
Activated cooling may inhibit
Autostops. Stop-start system 3 140.
Air recirculation system
Press 4 to activate air recirculation
mode. The LED in the button
illuminates to indicate activation.
Press 4 again to deactivate air
recirculation mode.
9 Warning
The exchange of fresh air is
reduced in air recirculation mode.
In operation without cooling the air humidity increases, so the