Page 91 of 281
Instruments and controls89Controls
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
Cruise control and speed limiter are
operated via the controls on the left
side of the steering wheel.
Additionally, adaptive cruise control can be set by using the controls on the
left side of the steering wheel.
Infotainment system can be operated
via the controls on the right side of the
steering wheel.
Further information is available in the
Infotainment manual.
Driver assistance systems 3 167.
Heated steering wheel
Activate heating by pressing *.
Activation is indicated by the LED in
the button.
Heating is operational when the
engine is running and during an
Autostop.
Stop-start system 3 147.
Page 98 of 281
96Instruments and controlsWarning lights, gauges
and indicators
Instrument cluster
Depending on the version, the Driver
Information Centre may vary.
Overview
OTurn signal 3 100XSeat belt reminder 3 100vAirbag and belt tensioners
3 101VAirbag deactivation 3 101pCharging system 3 101ZMalfunction indicator light
3 102CService vehicle soon 3 102YStop engine 3 102JSystem check 3 102RBrake and clutch system
3 102m , oParking brake 3 103
Electric parking brake 3 103uAntilock brake system (ABS)
3 103RGear shifting 3 103LLane keep assist 3 104bElectronic Stability Control
and Traction Control system
3 104!Preheating 3 104%Exhaust filter 3 104YAdBlue 3 105wDeflation detection system
3 105IEngine oil pressure 3 105Y oLow fuel 3 106W oEngine coolant temperature
high 3 104DAutostop 3 1068Exterior light 3 1069Low beam 3 106CHigh beam 3 106fHigh beam assist 3 106òDescent control system
3 104>Front fog lights 3 106øRear fog light 3 106
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104Instruments and controlsDescent control systemò illuminates or flashes green.
Iluminates green
The system is switched on and ready
to operate.
Flashes green
The system is in operation.
Lane keep assist
a illuminates green or yellow, or
flashes yellow.
Illuminates green
The system is switched on and ready to operate.
Illuminates yellow
The system approaches a detected
lane marking without using the turn
light in that direction.
Flashes yellow The system recognizes that the lane
is departed significantly.Lane keep assist 3 198.
Electronic Stability Control and Traction Control system
b illuminates or flashes yellow.
Illuminates
A fault in the system is present.
Continued driving is possible. Driving stability, however, may deteriorate
depending on road surface
conditions.
Have the cause of the fault remedied
by a workshop.
Flashes
The system is actively engaged.
Engine output may be reduced and
the vehicle may be braked
automatically to a small degree.
Electronic Stability Control and
Traction Control system 3 163.
Selective ride control 3 165.
Engine coolant temperature o illuminates red.Illuminates when the engine is
running
Stop, switch off engine.Caution
Coolant temperature too high.
Check coolant level immediately
3 214.
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.
Exhaust filter
% or C illuminates yellow,
accompanied by a message in the
Driver Information Centre.
The exhaust filter requires cleaning.
Page 132 of 281

130Climate controlClimate controlClimate control systems.............130
Heating and ventilation system 130
Air conditioning system ...........131
Electronic climate control system .................................... 134
Parking heater ......................... 138
Air vents ..................................... 140
Adjustable air vents .................140
Fixed air vents ......................... 141
Glovebox cooler ......................141
Maintenance .............................. 141
Air intake ................................. 141
Air conditioning regular
operation ................................ 141
Service .................................... 141Climate control systems
Heating and ventilation system
Controls for: ● temperature n
● air distribution l, M and K
● fan speed Z
● air recirculation u
● heated rear window and exterior mirrors e
● heated seats ß
Heated rear window e 3 42.
Heated exterior mirrors e 3 38.
Heated seats ß 3 49.
Temperature
Adjust the temperature by turning n
to the desired temperature.HI:warmLO:cold
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 x to the
desired speed.
Page 134 of 281

132Climate control● cooling A/C
● air recirculation q
● heated rear window and exterior mirrors e
Heated rear window e 3 42.
Heated exterior mirrors e 3 38.
Temperature n
Adjust the temperature by turning n
to the desired temperature.HI:warmLO:cold
Heating will not be fully effective until
the engine has reached normal
operating temperature.
Air distribution l, M , K
l:to windscreen and front door
windowsM:to head area via adjustable air
ventsK:to foot well
All combinations are possible.
Fan speed x
Adjust the air flow by turning x to the
desired speed.clockwise:increaseanticlockwise:decrease
Cooling 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 3 147.
Air recirculation system q
Press u to activate air recirculation
mode. The LED in the button
illuminates to indicate activation.
Press u again to deactivate air
recirculation mode.
Page 138 of 281

136Climate controlTo return to automatic air distribution,
press AUTO .
Temperature preselection
Set the preselected temperatures
separately for the driver and the front
passenger to the desired value using
the left and right switch for
adjustusting the temperature.
Recommended temperature is 22 °C .
Temperature is indicated in the display beside the switches for
adjusting the temperature.
If the minimum temperature Lo is set,
the climate control system runs at maximum cooling, if cooling A/C is
switched on.
If the maximum temperature Hi is set,
the climate control system runs at
maximum heating.
Notice
If A/C is switched on, reducing the
set cabin temperature can cause the engine to restart from an Autostop or
inhibit an Autostop.
Stop-start system 3 147.
Dual zone temperature
synchronisation MONO
Press MONO to link passenger side
temperature setting to the driver side / to remove the linking of the
passenger side temperature setting
to the driver side. The passenger side temperature setting is linked to the
driver side if the LED in the button
MONO is not illuminated.Air conditioning A/C
Press A/C to switch on cooling.
Cooling is only functional when the
engine is running and climate control
fan is switched on.
Press A/C again to switch off cooling.
The air conditioning system cools and
dehumidifies (dries) when outside
temperature is above a specific level. 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.
Page 140 of 281

138Climate controlDeactivation of electronic climatecontrol system
Press s subsequently until the
electronic climate control system is
deactivated.
Parking heater
The parking heater allows to heat the vehicle's interior and to ventilate the
vehicle's interior with ambient air.
The operating status of the parking
heater is shown by an indicator with a LED.
● LED illuminates: A timer has been set.
● LED flashes: The system is operating.
The LED is extinguished at the end of
the heating operation or when the
parking heater is stopped using the
remote control.
The parking heater can be
programmed using the Graphic Info
Display / Colour Info Display.
Additionally, the parking heater can
be switched on and off using a remote control.
Graphic Info Display
Press MENU to open the menu page.
Press Heating or Ventilation .
Press H or I to select the desired
timer. Confirm with OK.
Set the required time of the timer:
Press { or } to set the desired
value. Confirm with OK.
To set the timer, press H or I to
select OK on the display. Confirm with
OK .
Colour Info Display Press d.
Press Car Apps .
Press Temperature conditioning .
Close pop-up messages with Ù.
Programme the parking heater
Press Settings .
Select Heating or Ventilation and then
press ü.
Page 143 of 281

Climate control141Fixed air ventsAdditional air vents are located
beneath the windscreen, the door windows and in the foot wells.
Glovebox cooler
The air conditioning system draws
cooled air into the glovebox through a noozle.
Turn the slider up or down in order to
enable or disable glovebox cooling.
Maintenance
Air intake
The air intake in front of the
windscreen in the engine
compartment must be kept clear to
allow air intake. Remove any leaves,
dirt or snow.
Air conditioning regular
operation
In order to ensure continuously
efficient performance, cooling must
be operated for a few minutes once a
month, irrespective of the weather
and time of year. Operation with
cooling is not possible when the
outside temperature is too low.
Service For optimal cooling performance, it is recommended to annually check the
climate control system, starting
three years after initial vehicle
registration, including:
● functionality and pressure test
● heating functionality
● leakage check
● check of drive belts
● cleaning of condenser and evaporator drainage
● performance check