Instruments and controls99Deflation 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 3 233.
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. Select neutral gear.
2. Move out of the flow of traffic as quickly as possible without
impeding other vehicles.
3. 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 o illuminates yellow.
Level in fuel tank is too low.
Refuelling 3 204.
Bleeding the diesel fuel system
3 219.
Charge cord connected
j illuminates red.
The vehicle plug of the charge cord is
still connected to the charge port. The
vehicle cannot be started.
Disconnect the vehicle plug from the
charge port and close the charge port door.
Autostop
D illuminates or flashes green.
Illuminates green
Engine is in an Autostop.
Flashes green
Autostop is temporarily unavailable,
or Autostop mode is invoked
automatically.
Stop-start system 3 139.
Exterior light
8 illuminates green.
The exterior lights are on 3 113.
102Instruments and controls
Turn the adjuster wheel to select a
page in the trip / fuel information
menu.
Press SET / CLR to confirm or reset
a function.
Vehicle and service messages are
popped up in the Driver Information
Centre if required. Scroll messages
by turning the adjuster wheel.
Confirm messages by pressing
SET / CLR .
Additionally, some menus can be selected via the CHECK button.Press CHECK to switch between the
respective menus.
Vehicle messages 3 107.
Trip / fuel information menu
Differerent pages with combined
information can be selected.
Turn the adjuster wheel to select a
page.
Information page:
Fuel range
Range is calculated from current fuel
level and current consumption. The
display shows average values.
After refuelling, the range is updated
automatically after a brief delay.
When the fuel level is low, a message appears on the display and the
control indicator o in the fuel gauge
illuminates 3 99.
Instantaneous Fuel Consumption
Display of the instantaneous
consumption.
Trip 1 page:
Average speed
Display of average speed. The
measurement can be reset at any
time.
Average fuel consumption
Lighting115Headlight range adjustment
Manual headlight range
adjustment
To adapt headlight range to the
vehicle load to prevent dazzling, turn
thumb wheel ? to required position.
0:front seats occupied1:all seats occupied2:all seats occupied and load
compartment laden3:driver's seat occupied and load
compartment ladenHeadlights when driving
abroad
When driving in countries where
traffic drives on the opposite side of
the road, the headlights have to be
adjusted.
1. With the engine switched off, pull the indicator lever and hold.
2. Start the engine.
3. Hold the indicator lever for another 5 seconds.
4. Release the indicator lever.
If the headlights are adjusted, a
message is displayed in the Driver
Information Centre each time the
engine is started.
To reverse the adjustment of the
headlights, repeat the steps
described above.
Daytime running lightsDaytime running lights increase
visibility of the vehicle during daylight.
They are switched on automatically
when the engine is running.The system switches between
daytime running lights and low beam
automatically, depending on the
lighting conditions.
LED headlights
LED headlight system contains a
variety of particular LEDs in each
headlight which enables the control of the adaptive forward lighting
functions.
Light distribution and intensity of light
are variably triggered depending on
the lighting conditions, road type and
driving situation. The vehicle adapts
the headlights automatically to the
situation to enable optimal light
performance for the driver.
Some adaptive forward lighting
functions of the LED headlights can
be deactivated or activated in the
vehicle personalisation menu. Select
the relevant setting in Settings I
Vehicle in the Info Display.
Vehicle personalisation 3 108.
The lighting functions are only
available with light switch in position
AUTO .
118LightingPushing left indicator lever once
switches on manual high beam
without high beam assist.
High beam assist switches
automatically to low beam when:
● Driving in urban areas.
● Camera detects heavy fog.
● Front or rear fog lights are switched on.
If there are no restrictions detected,
the system switches back to high
beam.
Deactivation
Deactivate the high beam assist by pressing f.
If a headlight flash is activated when
the high beam assist is activated and
low beam is on, the high beam assist will be deactivated. The system
changes to high beam.
If a headlight flash is activated when
the high beam assist is activated and
high beam is on, the high beam assist will be deactivated. The system
changes to low beam.
To reactivate the high beam assist,
flash the headlights again.Fault in LED headlight system
When the system detects a failure in
the LED headlight system, it selects a preset position to avoid dazzling of
oncoming traffic. A warning is
displayed in the Driver Information
Centre.
Hazard warning flashers
Operated by pressing ¨.
When braking in an emergency, the
hazard warning flashers are switched
on automatically depending on the
force of deceleration. They are
switched off automatically the first
time you accelerate.
Turn lightsup:right turn lightsdown:left turn lights
A resistance point can be felt when
moving the indicator lever.
Constant flashing is activated when
the indicator lever is being moved
beyond the resistance point. It is
deactivated when the steering wheel
120LightingParking lights
When the vehicle is parked, the
parking lights on one side can be
activated:
1. Switch off ignition.
2. Move the lever all the way up (right parking lights) or down (left
parking lights).
Confirmed by a signal and the
corresponding turn lights control
indicator.
Reversing lights
The reversing light comes on when
the ignition is on and reverse gear is
selected.
Misted light covers
The inside of the light housing may
mist up briefly in poor, wet and cold weather conditions, in heavy rain or
after washing. The mist disappears
quickly by itself. To help, switch on the headlights.Interior lighting
Instrument panel illumination control
Brightness of the following lights can
be adjusted when the exterior lights
are on:
● instrument panel illumination
● Info Display
● illuminated switches and operation elements
Turn thumb wheel A and hold until
the desired brightness is obtained.
134Driving and operatingDriving and
operatingDriving hints ............................... 135
Control of the vehicle ...............135
Steering ................................... 135
Starting and operating ...............135
New vehicle running-in ............135
Ignition switch positions ...........135
Power button ........................... 136
Starting the engine ..................137
Overrun cut-off ........................ 139
Stop-start system ....................139
Parking .................................... 141
Engine exhaust .......................... 142
Exhaust filter ............................ 142
Catalytic converter ...................143
AdBlue ..................................... 143
Automatic transmission electri‐ fied ............................................. 147
Automatic transmission ..............148
Transmission display ...............148
Gear selection ......................... 148
Manual mode ........................... 149
Electronic driving programmes 150Fault ........................................ 150
Interruption of power supply ....150
Manual transmission ..................151
Drive systems ............................ 152
Drive modes ............................ 152
All-wheel drive ......................... 152
Brakes ........................................ 153
Antilock brake system .............153
Parking brake .......................... 154
Brake assist ............................. 156
Hill start assist ......................... 156
Regenerative braking ..............156
Ride control systems .................157
Electronic Stability Control and Traction Control system .........157
Selective ride control ...............158
Sport mode .............................. 159
Driver assistance systems .........160
Cruise control .......................... 160
Speed limiter ........................... 163
Adaptive cruise control ............165
Forward collision alert .............171
Active emergency braking .......173
Front pedestrian protection .....176
Parking assist .......................... 177
Advanced parking assist .........180
Side blind spot alert .................185
Panoramic view system ...........186
Rear view camera ...................189Lane departure warning ..........191
Lane keep assist .....................192
Driver alert ............................... 194
Charging .................................... 195
Programmable charging ..........198
Charging status .......................199
Charge cord ............................. 199
Fuel ............................................ 202
Fuel for petrol engines .............202
Fuel for diesel engines ............203
Refuelling ................................ 204
Trailer hitch ................................ 206
General information .................206
Driving characteristics and towing tips .............................. 206
Trailer towing ........................... 206
Towing equipment ...................207
Trailer stability assist ...............209
136Driving and operating0:ignition off: some functions
remain active until key is
removed or driver's door is
opened, provided the ignition was
on previously1:ignition on power mode: ignition
is on, diesel engine is preheating, control indicators illuminate and
most electrical functions are
operable2:engine start: release key after
engine has been started
Steering wheel lock
Remove key from ignition switch and
turn steering wheel until it engages.
9 Danger
Never remove the key from
ignition switch during driving as
this will cause steering wheel lock.
Power button
The electronic key must be inside the
vehicle.
Engine start
Operate the clutch pedal (manual
transmission), the brake pedal and
press Start/Stop .Ignition on power mode without
starting the engine
Press Start/Stop without operating
clutch or brake pedal. Control
indicators illuminate and most
electrical functions are operable.Engine and ignition off
Press Start/Stop briefly in each mode
or when engine is running and vehicle
is stationary. Some functions remain
active until driver's door is opened,
provided the ignition was on
previously.Emergency shut off during driving
Press Start/Stop for 5 seconds
3 137. Steering wheel locks as soon
as vehicle is stationary.
Steering wheel lock
The steering wheel lock activates
automatically when:
● The vehicle is stationary.
● The ignition has been switched off.
To release steering wheel lock, open
and close driver's door and switch the ignition on power mode or start the
engine directly.
Driving and operating1379Warning
If the vehicle battery is discharged,
the vehicle must not be towed,
tow-started or jump-started as the
steering wheel lock cannot be
disengaged.
Operation on vehicles with
electronic key system in case of
failure
If either the electronic key fails or the
battery of the electronic key is weak,
a message may be displayed in the
Driver Information Centre.
Hold the electronic key with buttons
outside at the marking on the steering column cover as shown in the
illustration.
Operate the clutch pedal (manual
transmission), the brake pedal and
press Start/Stop .
This option is intended for
emergencies only. Replace the
electronic key battery as soon as
possible 3 23.
For unlocking or locking the doors,
see fault in radio remote control unit
or electronic key system 3 24.Starting the engine
Vehicles with ignition switch
Turn key to position 1 to release the
steering wheel lock.
Manual transmission: operate clutch
and brake pedal.
Automatic transmission: operate
brake pedal and move selector lever
to P or N.
Do not operate accelerator pedal.
Diesel engines: wait until control
indicator ! extinguishes.