Page 84 of 251
82Instruments and controlsThe highlighted 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 3 141.
Horn
Press j.
Windscreen wiper/washer
Windscreen wiperHI:fastLO:slowINT:interval wiping or automatic
wiping with rain sensorOFF: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:
short interval:turn adjuster
wheel upwardslong interval:turn adjuster
wheel downwards
Page 95 of 251

Instruments and controls93Control indicators in the centre
console
Overview
OTurn signal 3 93XSeat belt reminder 3 94vAirbag and belt tensioners
3 94VAirbag deactivation 3 94pCharging system 3 95ZMalfunction indicator light
3 95gService vehicle soon 3 95RBrake and clutch system
3 95-Operate pedal 3 95mElectric parking brake 3 96jElectric parking brake fault
3 96uAntilock brake system (ABS)
3 96[Upshift 3 96cVariable effort steering 3 96rUltrasonic parking assist
3 96nElectronic Stability Control off
3 97bElectronic Stability Control and
Traction Control system 3 97kTraction Control system off
3 97!Preheating 3 97%Diesel particle filter 3 97wTyre pressure monitoring
system 3 97IEngine oil pressure 3 98iLow fuel 3 98dImmobiliser 3 98#Reduced engine power 3 988Exterior light 3 98CHigh beam 3 99fAdaptive forward lighting
3 99>Fog light 3 99rRear fog light 3 99mCruise control 3 99hDoor open 3 99^Automatic locking 3 99
Turn signal
O illuminates or flashes green.
Illuminates briefly
The parking lights are switched on.
Page 99 of 251

Instruments and controls97Interference due to external sources
of ultrasound. Once the source of interference is removed, the system
will operate normally.
Have the cause of the fault in the
system remedied by a workshop.
Ultrasonic parking assist 3 155.
Electronic Stability Control off
n illuminates yellow.
The system is deactivated.
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 3 152,
Traction Control system 3 152.
Traction Control system off
k illuminates yellow.
The system is deactivated.
Preheating
! illuminates yellow.
Preheating of diesel engine is
activated. Only activates when
outside temperature is low.
Diesel particle filter
% illuminates or flashes yellow.
The diesel particle filter requires
cleaning.Continue driving until %
extinguishes. If possible do not allow engine speed to drop below
2000 rpm.
Illuminates
The diesel particle filter is full. Start
cleaning process as soon as
possible.
Flashes
The maximum filling level of the filter
is reached. Start cleaning process
immediately to avoid damage to the
engine.
Diesel particle filter 3 144.
Stop-start system 3 141.
Tyre pressure monitoring
system
w illuminates or flashes yellow.
Illuminates
Tyre pressure loss. Stop immediately
and check tyre pressure.
Page 110 of 251

108Instruments and controls● If a fault in the automatic lockingsystem is detected.
● If the diesel particle filter has reached the maximum filling
level.
When the vehicle is parked and/or the driver's door is opened
● With exterior lights on.
During an Autostop ● If the driver's door is opened.
Battery voltage
When the vehicle battery voltage is running low, a warning message or
warning code 174 will appear in the
Driver Information Centre.
1. Switch off immediately any electrical consumers which are
not required for a safe ride, e.g.
seat heating, heated rear window
or other main consumers.
2. Charge the vehicle battery by driving continuously for a while or
by using a charging device.The warning message or warning
code will disappear after the engine
has been started twice consecutively
without a voltage drop.
If the vehicle battery cannot be
recharged, have the cause of the fault
remedied by a workshop.Trip computer
The menus and functions can be selected via the buttons on the turnsignal lever 3 100.
Press MENU to select the Trip/Fuel
Information Menu , or select W on
the Uplevel-Combi-Display.
Page 130 of 251

128Climate controlClimate controlClimate control systems.............128
Heating and ventilation system 128
Air conditioning system ...........129
Electronic climate control system .................................... 131
Auxiliary heater ........................135
Air vents ..................................... 135
Adjustable air vents .................135
Fixed air vents ......................... 136
Maintenance .............................. 136
Air intake ................................. 136
Pollen filter ............................... 136
Air conditioning regular
operation ................................ 136
Service .................................... 136Climate control systems
Heating and ventilation system
Controls for: ● temperature
● air distribution
● fan speed
● demisting and defrosting
Heated rear window Ü 3 32.
Temperature
red:warmblue:coldHeating will not be fully effective until
the engine has reached normal
operating temperature.
Air distributions:to windscreen and front door
windowsM:to head area via adjustable air
ventsK:to foot well
All combinations are possible.
Fan speed
Adjust the air flow by switching the fan to the desired speed.
Demisting and defrosting ● Press V: fan automatically
switches to higher speed, the air
distribution is directed towards
the windscreen.
● Set temperature control to warmest level.
● Switch on heated rear window Ü.
● Open side air vents as required and direct them towards the doorwindows.
Page 131 of 251

Climate control129Notice
If the settings for demisting and
defrosting are selected, an Autostop
will be inhibited.
If the settings for demisting and
defrosting are selected while the
engine is in an Autostop, the engine will restart automatically.
Stop-start system 3 141.
Air conditioning systemIn addition to the heating and
ventilation system, the air
conditioning system has controls for:n:cooling4:air recirculation
Heated seats ß 3 40, Heated
steering wheel * 3 81.
Cooling n
Press
n to switch on cooling.
Activation is indicated by the LED in
the button. Cooling is only functional
when the engine is running and
climate control fan is switched on.
Press n 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
might inhibit Autostops.
Air recirculation system 4
Press 4 to activate air recirculation
mode. Activation is indicated by the
LED in the button.
Page 134 of 251

132Climate controlAutomatic mode AUTO
Basic setting for maximum comfort:● Press AUTO, the air distribution
and fan speed are regulated
automatically.
● Open all air vents to allow optimised air distribution in
automatic mode.
● Press n to switch on optimal
cooling and demisting. Activation is indicated by the LED in the
button.
● Set the preselected temperatures for driver and front
passenger using the left and right
rotary knob. Recommended
temperature is 22 °C.
The fan speed regulation in automatic mode can be changed in the menu
Settings .
Vehicle personalisation 3 111.
Temperature preselection
Temperatures can be set to the
desired value.
If the minimum temperature Lo is set,
the climate control system runs at
maximum cooling, if cooling n is
switched on.
If the maximum temperature Hi is set,
the climate control system runs at
maximum heating.
Notice
If n is switched on, reducing the set
cabin temperature can cause the
engine to restart from an Autostop or inhibit an Autostop.
Stop-start system 3 141.
Page 135 of 251

Climate control133Demisting and defrosting the
windows V
●
Press V. Activation is indicated
by the LED in the button.
● Temperature and air distribution are set automatically and the fan
runs at high speed.
● Switch on heated rear window Ü.
● To return to previous mode: press V, to return to automatic
mode: press AUTO.
Setting of automatic rear window
heating can be changed in the menu
Settings in the Info-Display. Vehicle
personalisation 3 111.
Notice
If V is pressed while the engine is
running, an Autostop will be inhibited
until V is pressed again.
If V is pressed while the engine is
in an Autostop, the engine will restart automatically.
Stop-start system 3 141.
Manual settings
Climate control system settings can
be changed by activating the buttons
and rotary knobs as follows.
Changing a setting will deactivate the automatic mode.Fan speed Z
Press lower button to decrease or
upper button to increase fan speed as shown in the illustration. The fan
speed is indicated by the number of
segments in the display.
Pressing the lower button longer: fan and cooling are switched off.
Pressing the upper button longer: the
fan runs at maximum speed.
To return to automatic mode: Press
AUTO .