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86Instruments and controlsseat heating, heated windscreen
and 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 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.Vehicle personalisation
The vehicle's behaviour can be
personalised by changing the settings in the Info-Display.
Some of the personal settings for
different drivers can be memorised
individually for each vehicle key.
Memorised settings 3 23.
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.
Personal settings Graphic-Info-Display
Press MENU , when ignition is on and
infotainment system is activated.
Turn the MENU button to scroll
through the menu list. Press MENU to
select the respective menu. To close
a menu or to go back to previous
page, press BACK.
Select Settings , scroll through the list
and select Vehicle Settings
In the corresponding submenus the
following settings can be changed:
Vehicle Settings ● Park Assist / Collision Detection
Park Assist : Activates or
deactivates the ultrasonic
parking assist.
● Comfort Settings
Chime Volume : Changes the
volume of warning chimes.
Personalisation by Driver :
Activates or deactivates the
personalisation function.
Rear Auto Wipe in Reverse :
Activates or deactivates
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Instruments and controls89Depending on the equipment of the
vehicle, the following services are available:
● Emergency services and support
in the case of a vehicle
breakdown
● Wi-Fi hotspot
● Smartphone application
● Remote control, e.g. location of the vehicle, activation of horn and
lights, control of central locking system
● Stolen vehicle assistance
● Vehicle diagnostics
● Destination download
Note
The OnStar module of the vehicle is
deactivated after ten days without an
ignition cycle. Functions requiring a
data connection will be available
again after switching on the ignition.OnStar buttons
Privacy button
Press and hold j until a message is
heard to activate or deactivate the
transmission of the vehicle location.
Press j to answer a call or to end a
call to an advisor.
Press j to access the Wi-Fi settings.
Service button
Press Z to establish a connection to
an advisor.
SOS button
Press [ to establish a priority
emergency connection to a specially
trained emergency advisor.
Status LED
Green: The system is ready with
activated transmission of the vehicle
location.
Green flashing: The system is on a
call.
Red: A problem arose.
Off: The system is ready with
deactivated transmission of the
vehicle location or the system is in
standby mode.
Red / green flashing for a short period of time: The transmission of the
vehicle location has been
deactivated.
OnStar services
General services
If you need any information e.g.
opening hours, points of interest and
destinations or if you need any
support e.g. in the case of a vehicle
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94LightingHeadlight 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
Headlight aim has been preset and
should need no further adjustment.
When driving in countries with
opposite hand traffic, it is not
necessary to adjust the headlights.
Daytime running lights Daytime running light increases
visibility of the vehicle during daylight.
They are switched on automatically
when ignition is on.
Cornering lights
On tight bends or when turning off,
depending on the steering angle or
the indicator light signal, an additional left or right reflector is switched on
which illuminates the road in the
direction of travel. It is activated up to
a speed of 40 km/h.
Hazard warning flashers
Operated by pressing ¨
.
In the event of an accident with airbag
deployment, the hazard warning
flashers are activated automatically.
Page 98 of 203
96LightingParking lights
When the vehicle is parked, the
parking lights on one side can be
activated:
1. Switch off the ignition.
2. Move the turn signal lever all the way up (right parking lights) or
down (left parking lights).
Confirmed by an acoustic signal and
the corresponding turn signal 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.
Page 99 of 203
Lighting97Interior lights
When opening a door, the courtesy light automatically switches on and
then off after a delay.
When exterior lighting has been on, courtesy light will turn on when
ignition is switched off.
Note
In the event of an accident with
airbag deployment, the courtesy lights are turned on automatically.
Courtesy lightOperate rocker switch:centre
position w:automatic switching on
when opening a door.
Turns off after a delay.press d:permanently onpress K:permanently off
Reading lights
Operated by pressing the buttons in
front.
Lighting features
Exit lighting
Path lighting Headlights, tail lights and number
plate lights illuminate the surrounding area for an adjustable time after
leaving the vehicle.
Activating
1. Switch off the ignition.
2. Remove the ignition key.
3. Open driver's door.
Page 100 of 203
98Lighting4. Pull the turn signal lever.
5. 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.
Activation, deactivation and duration
of this function can be changed in the Info-Display. Vehicle personalisation
3 86.
The settings can be saved for the key
being used 3 23.
Battery discharge protection Switching off electric lights
To prevent discharge of the vehicle
battery when the ignition is switched
off, some interior lights are switched
off automatically after some time.
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108Driving and operatingDriving and
operatingDriving hints ............................... 108
Control of the vehicle ...............108
Steering ................................... 109
Starting and operating ...............109
New vehicle running-in ............109
Ignition switch positions ...........109
Retained power off ..................110
Starting the engine ..................110
Overrun cut-off ........................ 111
Stop-start system ....................111
Parking .................................... 114
Engine exhaust .......................... 115
Catalytic converter ...................115
Manual transmission ..................115
Manual transmission automa‐ ted .............................................. 116
Transmission display ...............116
Starting the engine ..................116
Selector lever .......................... 117
Manual mode ........................... 118
Electronic driving programmes 118
Fault ........................................ 118Brakes........................................ 119
Antilock brake system .............119
Parking brake .......................... 120
Brake assist ............................. 120
Hill start assist ......................... 120
Ride control systems .................121
Traction Control system ..........121
Electronic Stability Control ......122
City mode ................................ 123
Driver assistance systems .........124
Cruise control .......................... 124
Speed limiter ........................... 125
Parking assist .......................... 127
Lane departure warning ..........128
Fuel ............................................ 129
Fuel for petrol engines .............129
Fuel for liquid gas operation ....130
Refuelling ................................ 132
Fuel consumption - CO 2-
Emissions ............................... 136Driving 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 3 111.
Idle boost
If charging of the vehicle battery is
required due to battery condition, the
power output of the generator must be increased. This will be achieved by an idle boost which may be audible.
A message appears in the Driver
Information Centre.
Pedals
To ensure the pedal travel is
uninhibited, there must be no mats in
the area of the pedals.
Page 111 of 203

Driving and operating109Use only floor mats, which fit properly
and are fixed by the retainers on the
driver side.
Driving downhill
Engage a gear when driving downhill
to ensure that sufficient brake
pressure is available.
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.
Control indicator c 3 74.Caution
Vehicle equipped with electric
power steering:
If the steering wheel is turned until it reaches the end of its travel and
is held against that position for an
extended period of time, power
steering assistance may be
reduced.
If the steering assistance is used
for an extended period of time,
power assistance may be
reduced.
Power steering assistance should
return back to normal when the
system has cooled down.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.
Autostop may be inhibited to allow for
charging of the vehicle battery.
Ignition switch positions
Turn key: