Instruments and controls73Active emergency braking
m illuminates or flashes yellow.
Illuminates
The system has been deactivated or
a fault has been detected.
Additionally, a warning message is
displayed in the Driver Information
Centre.
Check the reason of the deactivation
3 132 and in case of a system fault,
seek the assistance of a workshop.
Note
m also illuminates if the seat belts
of the front passengers are not
fastened. In this case, active
emergency braking is deactivated.
Flashes
The system is actively engaged.
Depending on the situation, the
vehicle may automatically brake
moderately or hard.
Forward collision alert 3 135.
Front pedestrian protection 3 137.Door open
P illuminates red.
A door or the tailgate is open.Displays
Driver Information Centre
The Driver Information Centre is
located in the instrument cluster.
Driver Information Centre indicates: ● overall and trip odometer
● digital speed indication
● trip / fuel information menu
● gear shift indication
● service information
● vehicle and warning messages
● driver assistance messages
● pop-up messages
Selecting menus and functions
The menus and functions can be selected via the buttons on the
indicator lever.
Instruments and controls77Messages in the Info DisplaySome important messages may
appear additionally in the
Info Display. Some messages only
pop-up for a few seconds.
Warning chimes The warning chime regarding not
fastened seat belts has priority over
any other warning chime.
When starting the engine or whilst driving
A warning chime will sound when ● a seat belt is not fastened
● a door or the tailgate is not fully closed
● a certain speed is exceeded with
parking brake applied
● cruise control deactivates automatically
● a programmed speed or speed limit is exceeded
● a warning message appears in the Driver Information Centre● the electronic key is not in the passenger compartment
● the parking assist detects an object
● an unintended lane change occurs
● hands-off driving is recognised ● the exhaust filter has reached the
maximum filling level
If several warnings appear at the
same time, only one warning chime
will sound
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.
● If any condition for a restart of the
engine is not fulfilled.Vehicle personalisation
The vehicle's behaviour can be
personalised by changing the settings
in the Info Display.
Depending on vehicle equipment and
country-specific regulations, some of
the functions described below may
not be available.
Some functions are only displayed or
active when the engine is running.
Radio (Infotainment system)
Touch _ to display the vehicle
personalisation menu.
98Driving and operatingDriving and
operatingDriving hints ................................. 99
Control of the vehicle .................99
Steering ..................................... 99
Starting and operating .................99
New vehicle running-in ..............99
Ignition switch positions .............99
Power button ........................... 100
Starting the engine ..................101
Overrun cut-off ........................ 103
Stop-start system ....................103
Parking .................................... 105
Engine exhaust .......................... 106
Exhaust filter ............................ 106
Catalytic converter ...................107
AdBlue ..................................... 107
Automatic transmission ..............110
Transmission display ...............110
Gear selection ......................... 111
Manual mode ........................... 112
Electronic driving programmes 112
Fault ........................................ 113
Interruption of power supply ....113
Manual transmission ..................114Brakes........................................ 115
Antilock brake system .............115
Parking brake .......................... 115
Brake assist ............................. 118
Hill start assist ......................... 118
Ride control systems .................118
Electronic Stability Control and Traction Control system .........118
Driver assistance systems .........120
Cruise control .......................... 120
Speed limiter ........................... 122
Adaptive cruise control ............124
Active emergency braking .......132
Forward collision alert .............135
Front pedestrian protection .....137
Parking assist .......................... 138
Advanced parking assist .........141
Side blind spot alert .................146
Panoramic view system ...........148
Rear view camera ...................150
Traffic sign assistant ................151
Lane keep assist .....................152
Driver alert ............................... 154
Fuel ............................................ 155
Fuel for petrol engines .............155
Fuel for diesel engines ............156
Refuelling ................................ 157
Trailer hitch ................................ 158
General information .................158Driving characteristics and
towing tips .............................. 159
Trailer towing ........................... 159
Driving and operating99Driving hints
Control of the vehicle
Never coast with engine not
running
Many systems will not function in this
situation ( e.g. brake servo unit, power
steering). Driving in this manner is a danger to yourself and others.
All systems function during an
Autostop.
Stop-start system 3 103.
Pedals
To ensure the pedal travel is uninhibited, there must be no mats in the area of the pedals.
Use only floor mats, which fit properly
and are fixed by the retainers on the
driver side.Steering
If power steering assist is lost
because the engine stops or due to a system malfunction, the vehicle can
be steered but may require increased
effort.Starting and operating
New vehicle running-in Do not brake unnecessarily hard for
the first few journeys.
During the first drive, smoke may
occur because of wax and oil
evaporating off the exhaust system.
Park the vehicle in the open for a
while after the first drive and avoid
inhaling the fumes.
During the running-in period, fuel and engine oil consumption may be
higher.
Additionally, the cleaning process of
the exhaust filter may take place more
often.
Exhaust filter 3 106.
Ignition switch positions
Turn key:
100Driving 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 or smart access
device 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
3 101. 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 operating1019Warning
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.
Smart access
This function enables the starting of the vehicle via a mobile device. The
vehicle is controlled via an
application.
After entering into the vehicle and
confirming a message, there are
10 seconds to start the vehicle.
When no message pops up, place the smart phone in the designated area.
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 at the marking on the steering column cover as
shown in the illustration.
On vehicles with manual
transmission, select neutral gear,
operate the clutch pedal, the brake
pedal and press Start/Stop.
On vehicles with automatic
transmission, set the selector lever to position P, operate the brake pedal
and press Start/Stop.
This option is intended for
emergencies only. Replace the
electronic key battery as soon as
possible 3 11.
For unlocking or locking the doors,
see fault in radio remote control unit
or electronic key system 3 12.
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.
102Driving and operatingDiesel engines: wait until control
indicator z extinguishes.
Turn key briefly to position 2 and
release after engine has been
started.
Manual transmission: during an
Autostop, the engine can be started
by depressing the clutch pedal
3 103.
Automatic transmission: during an
Autostop, the engine can be started
by releasing the brake pedal 3 103.
Vehicles with power button● Manual transmission: select neutral gear, operate clutch and
brake pedal.
● Automatic transmission: operate brake pedal and move selector
lever to P or N.
● Do not operate accelerator pedal.
● Press Start/Stop button.
● Release button after starting procedure begins. Diesel engine
starts after control indicator z
for preheating extinguishes.
● Before restarting or to switch off the engine when vehicle is
stationary, press Start/Stop once
more briefly.
To start the engine during an
Autostop:
● Manual transmission: during an Autostop, the engine can be
started by depressing the clutch
pedal 3 103.
● Automatic transmission: during an Autostop, the engine can be
started by releasing the brake pedal 3 103.Emergency shut off during driving
If the engine needs to be switched offduring driving in case of emergency,
press Start/Stop for 5 seconds.9Danger
Switching off the engine during
driving may cause loss of power
support for brake and steering
systems. Assistance systems and
airbag systems are disabled.
Lighting and brake lights will
extinguish. Therefore power down the engine and ignition while
driving only when required in case of emergency.
104Driving and operatingAutostopVehicles with manual transmission
Activate an Autostop as follows:
● Set the selector lever to neutral.
● Release the clutch pedal.
The engine will be switched off while
the ignition stays on.Vehicles with automatic transmission If the vehicle is at a standstill with
depressed brake pedal, Autostop is
activated automatically.
The engine will be switched off while
the ignition stays on.
The stop-start system will be disabled
on steep inclines.
Indication
An Autostop is indicated by control
indicator n.
During an Autostop, the heating and
brake performance will be
maintained.
Conditions for an Autostop
The stop-start system checks if each
of the following conditions is fulfilled.
● The stop-start system is not manually deactivated.
● The driver's door is closed or the driver's seat belt is fastened.
● The vehicle battery is sufficiently charged and in good condition.
● The engine is warmed up.
● The engine coolant temperature is not too high.
● The engine exhaust temperature is not too high, e.g. after driving
with high engine load.
● The ambient temperature is not too low or too high.
● The climate control system allows an Autostop.
● The brake vacuum is sufficient.● The self-cleaning function of the exhaust filter is not active.
● The vehicle was driven at least at
walking speed since the last
Autostop.
Otherwise an Autostop will be
inhibited.
Note
The Autostop may be inhibited for
several hours after a battery
replacement or reconnection.
Certain settings of the climate control
system may inhibit an Autostop.
Climate control 3 90.
Immediately after higher speed
driving an Autostop may be inhibited.
New vehicle running-in 3 99.
Vehicle battery discharge protection
To ensure reliable engine restarts,
several vehicle battery discharge
protection features are implemented
as part of the stop-start system.