Instruments and controls109Turn the adjuster wheel or press ä or
å to select a page and follow the
instructions given in the submenus:
● units
● display themes
● info pages
● speed warning
● tyre loading
● pocket gauges
● software information
Units
Press é while units page is
displayed. Select imperial or metric
units by pressing 9.
Display themes
Press é while display themes is
displayed. Select Sport or Touring mode by pressing 9. Sport mode
includes more vehicle information,
Tour mode includes more media information.
This setting is only available with
Uplevel display.Info pages
Press é while Info pages is
displayed. A list of all items in the Info Menu is displayed. Select the
functions to be displayed in the Info
page by pressing 9. Selected pages
have a 9 in a checkbox. Non
viewable functions have a blank
checkbox. See Info Menu above.
Speed warning
The speed warning display allows
you to set a speed that you do not
want to exceed.
To set the speed warning, press é
while the page is displayed. Press ä
or å to adjust the value. Press 9 to
set the speed. Once the speed is set,
this feature can be turned off by
pressing 9 while viewing this page. If
the selected speed limit is exceeded,
a pop-up warning is displayed with a
chime.
Tyre loading
The tyre pressure category according
to the actual tyre inflation pressure
can be selected 3 251.Pocket gauges
Depending on vehicle equipment, pocket gauges can be displayed in the outer left and right edges near the
speedometer. Different gauge types
can be configured.
Press é while pocket gauges is
displayed. Select left or right pocket
by pressing é or è. Choose gauge
type for each pocket by pressing å.
Confirm with 9.
132LightingDynamic automatic headlight
levelling
To prevent oncoming traffic from
being dazzled, headlight levelling is
automatically adjusted based on
inclination information measured by
front and rear axle, acceleration or
deceleration and vehicle speed.
Headlights when driving abroad
3 128.
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 ¨.
In the event of an accident with airbag
deployment, the hazard warning
flashers are activated automatically.
Turn and lane-change
signalslever up:right turn signallever down:left turn signal
If the lever is moved past the
resistance point, the turn signal is
switched on constantly. When the
steering wheel moves back, the turn
signal is automatically deactivated.
For three flashes, e.g. when changing
lanes, press the lever until resistance
is felt and then release.
Lighting137They will switch off automatically after
a delay. This function works only in
the dark. Theatre lighting is activated
if the driver's door is opened during
this time.
Path lighting
Headlights, tail lights and number
plate lights illuminate the surrounding area for an adjustable time after
leaving the vehicle.
ActivatingHalogen headlights
1. Switch off the ignition.
2. Open the driver's door.
3. Pull the turn signal lever.
4. Close the driver's door.
If the driver's door is not closed, the
lights switch off after two minutes.
Exit lighting is switched off
immediately if the turn signal lever is pulled while the driver's door is open.LED headlights
Path lighting is activated, when the
ignistion is switched off and the
driver's door is opened.
This function can be activated or
deactivated in the vehicle
personalisation.
Select the relevant setting in Settings,
I Vehicle in the Info-Display.
Info-Display 3 110.
Vehicle personalisation 3 116.
The settings can be saved for the key being used 3 22.
Battery discharge protection
Vehicle battery state of charge
function
The function guarantees longest
vehicle battery life via a generator
with controllable power output and
optimised power distribution.
To prevent discharge of the vehicle
battery when driving, the following
systems are reduced automatically in
two stages and finally switched off:
● auxiliary heater
● heated rear and front window
● heated steering wheel
● heated mirrors
● heated seats
● fan
In the second stage, a message
which confirms the activation of the
vehicle battery discharge protection
will be displayed in the Driver
Information Centre.
Driving and operating151Driving and
operatingDriving hints ............................... 152
Control of the vehicle ...............152
Steering ................................... 152
Starting and operating ...............152
New vehicle running-in ............152
Power button ........................... 153
Retained power off ..................154
Starting the engine ..................154
Overrun cut-off ........................ 155
Stop-start system ....................156
Parking .................................... 158
Engine exhaust .......................... 159
Diesel particle filter ..................159
Catalytic converter ...................160
AdBlue ..................................... 161
Automatic transmission ..............164
Manual transmission ..................168
Drive systems ............................ 169
All-wheel drive ......................... 169
Brakes ........................................ 169
Antilock brake system .............169
Parking brake .......................... 170Brake assist............................. 171
Hill start assist ......................... 172
Ride control systems .................172
Traction Control system ..........172
Electronic Stability Control ......173
Interactive driving system ........174
Driver assistance systems .........177
Cruise control .......................... 177
Speed limiter ........................... 179
Adaptive cruise control ............180
Forward collision alert .............188
Following distance indication ...191
Active emergency braking .......192
Front pedestrian protection .....195
Parking assist .......................... 197
Side blind zone assistant .........205
Lane change alert ....................206
Panoramic view system ...........208
Rear view camera ...................211
Rear cross traffic alert .............213
Traffic sign assistant ................214
Lane keep assist .....................218
Fuel ............................................ 220
Fuel for petrol engines .............220
Fuel for diesel engines ............221
Refuelling ................................ 221
Fuel consumption - CO 2-
Emissions .............................. 223Trailer hitch................................ 224
General information .................224
Driving characteristics and towing tips .............................. 224
Trailer towing ........................... 224
Towing equipment ...................225
Trailer stability assist ...............227
Driving and operating153Power button
Electronic key must be inside the
vehicle.
Accessory power mode
Press Engine Start/Stop once without
operating clutch or brake pedal. The yellow LED in the button illuminates.
Steering wheel lock is released and
some electrical functions are
operable, ignition is off.Ignition on power mode
Press and hold Engine Start/Stop for
six seconds without operating clutch
or brake pedal. The green LED in the button illuminates, diesel engine ispreheating. Control indicators
illuminate and most electrical
functions are operable.Engine start
Press Engine Start/Stop briefly while:
● manual transmission: operating clutch pedal,
● automatic transmission: operating brake pedal with
selector lever in P or N.
Starting the engine 3 154.Ignition off
Press Engine Start/Stop briefly when
Autostop is activated or when engine is running and vehicle is stationary.
Automatic transmission: apply the
parking brake and engage P.
Press Engine Start/Stop briefly
without operating clutch or brake pedal when in ignition on power
mode.
Some functions remain active until
driver's door is opened, provided the
ignition was on previously.Emergency engine shut off during
driving
Press Engine Start/Stop for more
than two seconds or press twice
briefly within five seconds 3 154.
Steering wheel lock The steering wheel lock activates
automatically when:
● The vehicle is stationary.
● The ignition has been switched off.
● The driver's door is opened.
To release steering wheel lock, open
and close driver's door and switch on accessory mode or start the engine
directly.9 Warning
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.
158Driving and operating● The driver's seat belt isunfastened and the driver's door
is opened.
● The engine temperature is too low.
● The charging level of the vehicle battery is below a defined level.
● The brake vacuum is not sufficient.
● The vehicle is driven at least at walking speed.
● The climate control system requests an engine start.
● The air conditioning is manually switched on.
If the bonnet is not fully closed, a
warning message is displayed in the
Driver Information Centre.
If an electrical accessory, e.g. a
portable CD player, is connected to
the power outlet, a brief power drop during the restart might be noticeable.Parking9 Warning
● Do not park the vehicle on an
easily ignitable surface. The
high temperature of the
exhaust system could ignite the
surface.
● Always apply the parking brake. Pull switch m for
approx. one second and check
if the control indicator m
illuminates.
The electric parking brake is applied when control indicator
m illuminates 3 98.
● Switch off the engine. ● If the vehicle is on a level surface or uphill slope, engage
first gear or set the selector
lever to position P before
removing the ignition key or
switching off ignition on
vehicles with power button. On
an uphill slope, turn the front
wheels away from the kerb.
If the vehicle is on a downhill
slope, engage reverse gear or
set the selector lever to position P before removing the ignition
key or switching off ignition on
vehicles with power button.
Turn the front wheels towards
the kerb.
● Close the windows and the sunroof.
● Remove the ignition key from the ignition switch or switch off
ignition on vehicles with power
button. Turn the steering wheel
until the steering wheel lock is
felt to engage.
For vehicles with automatic
transmission, the key can only
be removed when the selector
lever is in position P.
●
Lock the vehicle with button e on
the radio remote control.
Activate the anti-theft alarm
system 3 29.
● The engine cooling fans may run
after the engine has been
switched off 3 230.
164Driving and operatingAutomatic transmission
The automatic transmission permits
automatic gear shifting (automatic
mode) or manual gear shifting
(manual mode).
Manual shifting is possible in manual
mode by tapping the selector lever to + or - or pulling the steering wheel
paddles.
Transmission display
Illustrations show different versions.
The mode or selected gear is shown
in the Driver Information Centre.
In automatic mode, the driving
programme is indicated by D.
In manual mode, M and the number
of the selected gear is indicated.
R indicates reverse gear.
N indicates neutral position.
P indicates park position.
Selector leverP:park position, wheels are locked,
engage only when the vehicle is
stationaryR:reverse gear, engage only when
the vehicle is stationaryN:neutralD:automatic modeM:manual mode<:upshift in manual mode]:downshift in manual mode
166Driving and operatingSteering wheel paddles
Move selector lever out of position D
towards the left in position M.
Manual mode M can be activated
from position D in each driving
situation and speed.
Pull steering wheel paddles to select
gears manually.
Pull right paddle + to shift to a higher
gear.
Pull left paddle - to shift to a lower
gear.
Multiple pulls allow gears to be
skipped.
The selected gear is indicated in the
instrument cluster.
Temporary manual mode in drive
mode D
Manual paddle shifting is also
possible in automatic mode D. Upon
completion of manual shifting
operation, transmission changes to
automatic mode D after a defined
time.
To interrupt manual mode and return
to D, do one of the following:
● Press + paddle for 1 second.
● Move selector lever towards the left to manual mode and back to
position D.
If the vehicle is at a standstill and
engine is idling, the transmission will
remain in temporary manual mode. It
changes to automatic mode when
accelerator pedal is operated for a
defined time, and no paddle shifting
at the steering wheel is performed.
General
If a higher gear is selected when
vehicle speed is too low, or a lower
gear when vehicle speed is too high,the shift is not executed. This can
cause a message in the Driver
Information Centre.
In manual mode, no automatic
shifting to a higher gear takes place
at high engine revolutions, except
activating the kickdown function.
Gear shift indication
The symbol R or S with a number
beside it is indicated when gear
shifting is recommended for fuel
saving reasons.
Shift indication appears only in
manual mode.
Electronic driving programmes ● Following a cold start, the operating temperature
programme increases engine
speed to quickly bring the
catalytic converter to the required
temperature.
● When SPORT mode is engaged,
the vehicle shifts at higher engine
speeds (unless cruise control is
on). SPORT mode 3 174.