Page 74 of 261
72Instruments 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
Cruise control and speed limiter are
operated via 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.
Driver assistance systems 3 150.
Further information is available in the
Infotainment manual.
Heated steering wheel
Activate heating by pressing *.
Activation is indicated by the LED in
the button.
Page 75 of 261
Instruments and controls73The 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 3 136.
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 downwards to position 1x.
Do not use if the windscreen is frozen.
Switch off in car washes.
To activate interval wiping mode the
next time ignition is switched on,
press the lever downwards to position
OFF and back to INT.
Adjustable wiper interval
Wiper lever in position INT.
Turn the adjuster wheel to adjust the
wiping frequency.
Page 84 of 261
82Instruments and controlsOverviewOTurn lights 3 87XSeat belt reminder 3 88vAirbag and belt tensioners
3 88VAirbag deactivation 3 88pCharging system 3 89ZMalfunction indicator light
3 89HService vehicle soon 3 89STOPStop engine 3 89JSystem check 3 89RBrake and clutch system
3 90mParking brake 3 90uAntilock brake system (ABS)
3 90RGear shifting 3 90)Lane departure warning
3 90bElectronic Stability Control
and Traction Control system
3 91aElectronic Stability Control
and Traction Control system
off 3 91W oEngine coolant temperature
high 3 91!Preheating 3 91%Exhaust filter 3 91YAdBlue 3 91wDeflation detection system
3 92IEngine oil pressure 3 92
Engine oil level monitor
3 86Y oLow fuel 3 92DAutostop 3 928Exterior light 3 929Low beam 3 93CHigh beam 3 93fHigh beam assist 3 93>Front fog lights 3 93øRear fog light 3 93
3 93ßSpeed limiter 3 93hDoor open 3 93
Page 93 of 261

Instruments and controls91Electronic Stability Controland 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 3 148.
Electronic Stability Control and Traction Control system
off
n illuminates yellow.
The systems are deactivated.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
3 190.
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.
Starting the engine 3 134.
Exhaust filter
% or H illuminates yellow.
The exhaust filter requires cleaning.
Continue driving until the control
indicator extinguishes.
Illuminates temporarily Start of saturation of the exhaust filter.
Start cleaning process as soon as
possible by driving at a vehicle speed
of at least 40 mph.
Illuminates constantlyIndication of a low additive level. Seek
the assistance of a workshop.
Exhaust filter 3 139.
AdBlue
Y flashes or illuminates yellow.
Illuminates yellow The remaining driving range is
between 370 mph and 1500 mph.
Page 120 of 261

118Climate controlClimate controlClimate control systems.............118
Heating and ventilation system 118
Air conditioning system ...........119
Electronic climate control system .................................... 122
Auxiliary heater ........................126
Air vents ..................................... 126
Adjustable air vents .................126
Fixed air vents ......................... 128
Maintenance .............................. 128
Air intake ................................. 128
Air conditioning regular operation ................................ 128
Service .................................... 128Climate 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
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 M K
Press:
l:to windscreen and front door
windowsM:to head area and rear seats via
adjustable front air ventsK:to front and rear foot well and
windscreen
Combinations are possible.
Fan speed Z
Adjust the air flow by turning Z to the
desired speed.
to the right:increaseto the left:decrease
Page 121 of 261

Climate control119Demisting and defrosting the
windows á
● Press á: the air distribution is
directed towards the windscreen.
● Set temperature controller £ to
warmest level.
● Set fan speed Z to highest level.
● Switch on heated rear window b.
● Open side air vents as required and direct them towards the doorwindows.
Heated rear window, windscreen and exterior mirrors b 3 37.
Heated seats ß 3 45.
Air conditioning system
Illustration shows functions which
may not be available for your
particular vehicle.
Controls for: ● temperature £
● air distribution l, M and K
● fan speed Z
● demisting and defrosting à
● air conditioning A/C
● air recirculation 4
● heated rear window and exterior mirrors b
● heated windscreen ,
● heated seats ß
Some changes of settings are
indicated briefly in the Info Display.
Activated functions are indicated by the LED in the respective button.
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.
Page 126 of 261

124Climate controlAir distribution l, M , K
Press MENU to enter the menu.
Touch (in the Colour Info Display):
l:to windscreen and front door
windowsM:to head area and rear seats via
adjustable air ventsK:to front and rear foot well and
windscreen
To return to automatic air distribution,
press AUTO .
Temperature preselection £
Set the preselected temperatures
separately for driver and front
passenger to the desired value using
the left and right control dials. The dial on the passenger side changes the
temperature for the passenger side.
The dial on the driver's side changes
the temperature for the driver's side or
for both sides depending on
activation of synchronisation MONO
in the climate settings menu. Press
MENU to enter the menu.
Recommended temperature is 22 °C .
Temperature is indicated in displays
beside the control dials and in the
climate settings menu.
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 3 136.
Dual zone temperature
synchronisation MONO or SYNC
Press MENU to enter the menu.
Touch MONO or SYNC to link
passenger side temperature setting
to the driver side.
When passenger side control dial will be adjusted, synchronisation is
deactivated.
Page 131 of 261
Climate control129● functionality and pressure test● heating functionality
● leakage check
● check of drive belts
● cleaning of condenser and evaporator drainage
● performance check
● cabin air filter check