108Instruments and controlsFlashes
The system is actively engaged. Engine output may be reduced and
the vehicle may be braked
automatically to a small degree.
Electronic Stability Control 3 178.
Traction Control system 3 177.
Traction Control system off
k illuminates yellow.
The system is deactivated.
Engine coolant temperature W illuminates red.
Illuminates when the engine is
running
Stop, switch off engine.Caution
Coolant temperature too high.
Check coolant level immediately
3 238.
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.
AdBlue
Y flashes yellow.
AdBlue level is low. Refill AdBlue
soon to avoid prevention of the
engine start.
AdBlue 3 166.
Tyre pressure monitoring system
w illuminates or flashes yellow.
Illuminates
Tyre pressure loss. Stop immediately and check tyre pressure.Flashes
Fault in system or tyre without
pressure sensor mounted (e.g. spare
wheel). After 60 to 90 seconds the
control indicator illuminates
continuously. Consult a workshop.
Engine oil pressure
I illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly after the engine starts.
Illuminates when the engine is
runningCaution
Engine lubrication may be
interrupted. This may result in
damage to the engine and / or
locking of the drive wheels.
1. Depress clutch.
2. Select neutral gear.
Instruments and controls1093. Move out of the flow of traffic asquickly as possible without
impeding other vehicles.
4. Switch off ignition.9 Warning
When the engine is off,
considerably more force is needed
to brake and steer.
During an Autostop, the brake
servo unit will still be operational.
Do not remove key until vehicle is stationary, otherwise the steeringwheel lock could engage
unexpectedly.
Keep engine turned off and let the
vehicle be towed to a workshop.
Low fuel Y illuminates or flashes yellow.
Illuminates
Level in fuel tank is too low.
Flashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Refuelling 3 228.
Catalytic converter 3 165.
Bleeding the diesel fuel system
3 242.
Immobiliser
d flashes yellow.
Fault in the immobiliser system. The
engine cannot be started.
Immobiliser 3 35.
Exterior light 8 illuminates green.
The exterior lights are on 3 133.
High beam
C illuminates blue.
Illuminated when high beam is on or
during headlight flash 3 134.High beam assist
f illuminates green.
The high beam assist is activated
3 134.
LED headlights
f illuminates or flashes yellow.
Illuminates
Fault in the system.
Seek the assistance of a workshop.
Flashes
System is switched to symmetrical
low beam.
Control indicator f flashes for approx.
4 seconds after the ignition is
switched on as a reminder for
symmetrical headlight 3 136.
Front fog lights
> illuminates green.
The front fog lights are on 3 139.
Instruments and controls115Timer
Baselevel display: start and stop
timer with Å. To reset, hold Å when
timer is not running.
Midlevel or Uplevel display: To start
or stop timer, press Å and Å again.
To reset, press Å, choose Reset and
confirm with Å.
Traffic Sign Memory
Displays the detected traffic signs for
the current route section 3 219.
Following Distance
Displays the distance in seconds to a preceding moving vehicle 3 198. If
Adaptive cruise control is active this
page shows the following distance
setting instead.
Driver Assistance
Displays the status of several driver
assistance systems:
Adaptive cruise control 3 184.
Forward collision alert 3 195.
Lane keep assist 3 223.AdBlue Level
Displays the level of the AdBlue tank
3 166.
Eco information menu, @
● Top Consumers
● Economy Trend
● ECO Index
On Mid- and Uplevel display the
pages Top Consumers , Economy
Trend and ECO Index are displayed
in the Info Menu, see above.
Top Consumers
List of top comfort consumers
currently switched on is displayed in
descending order. Fuel saving
potential is indicated.
During sporadic driving conditions,
the engine will activate the heated
rear window automatically to increase
the engine load. In this event, the
heated rear window is indicated as
one of the top consumers, without
activation by the driver.Economy Trend
Displays the average consumption
development over a distance of
31 miles. Filled segments display the
consumption in 3.1 mile steps and
show the effect of topography or
driving behaviour on fuel
consumption.
ECO Index
The average fuel consumption is indicated on an economic scale. For
economical driving, adapt driving
style to keep the indicator within the
green area. The more the indicator
moves towards red, the higher is the
Climate control145Air distribution ",x and y
Press:":to windscreen and front door
windowsx:to head area and rear seats via
adjustable air ventsy:to front and rear foot well and
windscreen
Combinations are possible.
Air conditioning A/C
Press A/C 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 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 3 161.Demisting and defrosting the
windows á
● Press á: fan automatically
switches to higher speed, the air
distribution is directed towards
the windscreen.
● Set temperature controller TEMP to warmest level.
● Switch on air conditioning A/C if
required.
● Switch on heated rear window b.
● Switch on heated windscreen , if available.
146Climate control● Open side air vents as requiredand direct them towards the doorwindows.
● For maximum demisting and defrosting set fan speed to
highest level.
Notice
If á is pressed while the engine is
running, an Autostop will be inhibited until á is pressed again.
If á is pressed while the engine is in
an Autostop, the engine will restart
automatically.
Stop-start system 3 161.
Air recirculation system nPress n to activate air recirculation
mode, LED is indicated.
Select air recirculation to assist in
cooling the interior or in blocking
outside odours or exhaust.
Press n again to deactivate air
recirculation mode.
On version without heated
windscreen, press ( to deactivate
air recirculation. External air mode is
activated.9 Warning
The exchange of fresh air is
reduced in air recirculation mode.
In operation without cooling the air humidity increases, so the
windows may mist up from inside.
The quality of the passenger
compartment air deteriorates,
which may cause the vehicle
occupants to feel drowsy.
In warm and very humid ambient air conditions, the windscreen may mist
up from outside when cold air is
directed towards it. If windscreen
mists up from outside, activate
windscreen wiper and deactivate w.
External air mode (
Press
(to activate external air
mode, LED is indicated.
Press n to activate air recirculation
mode. External air mode is
deactivated.
150Climate controlTemperature preselection
Set the preselected temperatures
separately for driver and front
passenger to the desired value using
the left and right rotary knob. The knob on the passenger side changes
the temperature for the passenger
side. The knob on the driver's side
changes the temperature for the
driver's side or for both sides
depending on activation of
synchronisation SYNC.
Recommended temperature is 22 °C .
Temperature is indicated in displays
beside the rotary knobs and as pop-
up in the Info Display.
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 3 161.
Dual zone temperature
synchronisation SYNC
Press Climate to enter the menu.
Touch SYNC to link passenger side temperature setting to the driver side.
When passenger side settings will be adjusted, synchronisation is
deactivated and the LED
extinguishes.Air conditioning A/C
Press Climate to enter the menu and
select the touch button A/C to switch
air conditioning on or off.
Cooling is only functional when the
engine is running and climate control
fan is switched on.
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.
152Climate control● Switch on heatedwindscreen , if available.
● To return to previous mode press
à again, to return to automatic
mode press AUTO.
Notice
If à is pressed while the engine is
running, an Autostop will be inhibited until à is pressed again.
If à is pressed while the engine is in
an Autostop, the engine will restart
automatically.
Stop-start system 3 161.Deactivation or activation of
Electronic climate control system
ON/OFF
Cooling, fan and automatic mode can
be switched off by pressing ON/OFF.
When the system is deactivated, the
LED in the button ON/OFF is not
illuminated.
Activation by pressing ON/OFF again
or AUTO . The LED in the button
illuminates to indicate activation.
Version with heated
windscreen ,
If the vehicle is equipped with heated
windscreen, button ON/OFF is
replaced by button ,.
Climate control system will then
switched off by button â. Switch on
by pressing (.
156Driving and operatingDriving and
operatingDriving hints ............................... 157
Control of the vehicle ...............157
Steering ................................... 157
Starting and operating ...............157
New vehicle running-in ............157
Power button ........................... 158
Retained power off ..................159
Starting the engine ..................159
Overrun cut-off ........................ 161
Stop-start system ....................161
Parking .................................... 163
Engine exhaust .......................... 164
Exhaust filter ............................ 164
Catalytic converter ...................165
AdBlue ..................................... 166
Automatic transmission ..............168
Transmission display ...............168
Gear selection ......................... 169
Manual mode ........................... 170
Electronic driving programmes 171
Fault ........................................ 172
Interruption of power supply ....172
Manual transmission ..................173Drive systems ............................ 173
All-wheel drive ......................... 173
Brakes ........................................ 174
Antilock brake system .............174
Parking brake .......................... 175
Brake assist ............................. 176
Hill start assist ......................... 176
Ride control systems .................177
Traction Control system ..........177
Electronic Stability Control ......178
Interactive driving system ........179
Driver assistance systems .........181
Cruise control .......................... 181
Speed limiter ........................... 183
Adaptive cruise control ............184
Forward collision alert .............195
Following distance indication ...198
Active emergency braking .......199
Front pedestrian protection .....202
Parking assist .......................... 204
Side blind spot alert .................211
Lane change alert ....................212
Panoramic view system ...........214
Rear view camera ...................216
Rear cross traffic alert .............218
Traffic sign assistant ................219
Lane keep assist .....................223
Fuel ............................................ 226
Fuel for petrol engines .............226Fuel for diesel engines ............227
Refuelling ................................ 228
Trailer hitch ................................ 230
General information .................230
Driving characteristics and towing tips .............................. 230
Trailer towing ........................... 230
Towing equipment ...................231
Trailer stability assist ...............233