90Instruments and controlsInstruments and
controlsControls ....................................... 91
Steering wheel adjustment ........91
Steering wheel controls .............91
Heated steering wheel ...............92
Horn ........................................... 92
Windscreen wiper/washer .........92
Rear window wiper/washer .......94
Outside temperature ..................95
Clock ......................................... 95
Power outlets ............................. 97
Power connector .......................98
Ashtrays .................................... 99
Warning lights, gauges and indi‐ cators ......................................... 101
Instrument cluster ....................101
Speedometer ........................... 104
Odometer ................................ 105
Trip odometer .......................... 105
Tachometer ............................. 106
Fuel gauge .............................. 106
Fuel selector ............................ 106
Engine coolant temperature gauge ..................................... 107
Service display ........................ 108Control indicators ....................109
Turn signal ............................... 109
Seat belt reminder ...................109
Airbag and belt tensioners .......110
Airbag deactivation ..................110
Charging system .....................111
Malfunction indicator light ........111
Brake and clutch system .........111
Electric parking brake ..............111
Electric parking brake fault ......111
Antilock brake system (ABS) ...112
Gear shifting ............................ 112
Following distance ...................112
Lane keep assist .....................112
Electronic Stability Control off . 112
Electronic Stability Control and Traction Control system .........112
Traction Control system off .....113
Preheating ............................... 113
Tyre pressure monitoring system .................................... 113
Engine oil pressure ..................113
Low fuel ................................... 113
Immobiliser .............................. 114
Exterior light ............................ 114
High beam ............................... 114
High beam assist .....................114
LED headlights ........................ 114
Fog light ................................... 114
Rear fog light ........................... 114Cruise control.......................... 114
Adaptive cruise control ............114
Vehicle detected ahead ...........115
Speed limiter ........................... 115
Traffic sign assistant ................115
Door open ................................ 115
Information displays ...................115
Driver Information Centre ........115
Info display .............................. 121
Vehicle messages ......................123
Warning chimes .......................124
Battery voltage ........................ 124
Vehicle personalisation ..............125
Telematics service .....................131
OnStar ..................................... 131
98Instruments and controlsSports Tourer: A 12 Volt power outlet
is located at the left sidewall in the
load compartment.
Do not exceed the maximum power
consumption of 120 watts.
With ignition off, the power outlet is
deactivated. Additionally, the power outlet is deactivated in the event of
low vehicle battery voltage.
Electrical accessories that are
connected must comply with the
electromagnetic compatibility
requirements laid down in
DIN VDE 40 839.
Do not connect any current-delivering
accessories, e.g. electrical charging
devices or batteries.
Do not damage the outlets by using
unsuitable plugs.
Stop-start system 3 163.USB charging port
Two USB ports for charging devices
only are located in the back of the
centre console.
Each socket provides 2.1 Ampere at
five Volts.
Note
The sockets must always be kept
clean and dry.
Power connector
The power connector (PowerFlex
Bar) is attached on the instrument
panel fuse box cover. A fragrance
diffuser (AirWellness) or a phone
holder can be attached to the power
connector.
Further information regarding phone
holder is available in the Infotainment
manual.
Instruments and controls111The front passenger airbag is
deactivated.
Airbag deactivation 3 63.
Charging system
p illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine is
running
Stop, switch off engine. Vehicle
battery is not charging. Engine
cooling may be interrupted. The
brake servo unit may cease to be
effective. Seek the assistance of a
workshop.
Malfunction indicator light Z illuminates or flashes yellow.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.Illuminates when the engine is
running
Fault in the emission control system. The permitted emission limits may be exceeded.
On diesel engines the cleaning
process of the diesel particle filter is
potentially not possible.
Seek the assistance of a workshop
immediately.
Flashes when the engine is
running
Fault that could lead to catalytic
converter damage. Ease up on the
accelerator until the flashing stops.
Seek the assistance of a workshop
immediately.
Brake and clutch system
R illuminates red.
The brake and clutch fluid level is too
low, when manual parking brake is
not applied 3 232.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Illuminates when the manual parking
brake is applied and ignition is
switched on 3 177.
Electric parking brake
m illuminates or flashes red.
Illuminates
Electric parking brake is applied
3 177.
Flashes
Electric parking brake is not fully applied or released. Depress the brake pedal and attempt to reset the
system by first releasing then
applying the electric parking brake. If
m remains flashing, do not drive and
seek the assistance of a workshop.
Electric parking brake fault j illuminates or flashes yellow.
124Instruments and controls
On Uplevel display press 9 on the
steering wheel to confirm a message.
Vehicle and service messages
The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
Messages in the
Colour-Info-Display
Some important messages may
appear additionally in the
Colour-Info-Display. Some
messages only pop-up for a few
seconds.
Warning chimes
When starting the engine or whilstdriving
Only one warning chime will sound at a time.
The warning chime regarding not
fastened seat belts has priority over
any other warning chime.
● If seat belt is not fastened.
● If a door or the tailgate is not fully
closed when starting off.
● If a certain speed is exceeded with parking brake applied.
● If adaptive cruise control deactivates automatically.
● If approaching a vehicle ahead too closely.
● If a programmed speed or speed
limit is exceeded.
● If a warning message appears in the Driver Information Centre.
● If the electronic key is not in the passenger compartment.
● If the parking assist detects an object.● If an unintended lane changeoccurs.
● If the diesel particle filter has reached the maximum filling
level.
● If safety function of the power tailgate detects obstacles in the
moving area.
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 an autostart is
not fulfilled.
Battery voltage When the vehicle battery voltage is
running low, a warning message will
appear in the Driver Information
Centre.
Instruments and controls1251. Switch off any electricalconsumers which are not requiredfor a safe drive, e.g. seat heating,
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 message will disappear after the engine has been started
twice 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 24.
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 to open the respective
menu.
Select Settings , scroll through the list
and select Vehicle Settings
In the corresponding submenus the
following settings can be changed:
Vehicle Settings ● Climate and Air Quality
Auto Fan Max Speed : Modifies
the level of the cabin airflow of the climate control in automatic
mode.
Auto Heated Seats :
Automatically activates the seat
heating.
Auto Demist : Supports
windscreen dehumidification by
automatically selecting the
necessary settings and
automatic air conditioning mode.
136LightingLightingExterior lighting.......................... 136
Light switch .............................. 136
Automatic light control .............137
High beam ............................... 137
Headlight flash ......................... 137
Headlight range adjustment ....137
Headlights when driving abroad .................................... 138
Daytime running lights .............138
LED headlights ........................ 138
Hazard warning flashers ..........141
Turn and lane-change signals . 142
Front fog lights ......................... 142
Rear fog light ........................... 143
Parking lights ........................... 143
Reversing lights .......................143
Misted light covers ...................143
Interior lighting ........................... 144
Instrument panel illumination control ..................................... 144
Interior lights ............................ 144
Reading lights .......................... 144
Sunvisor lights ......................... 145
Lighting features ........................145
Centre console lighting ............145Entry lighting ............................ 145
Exit lighting .............................. 145
Battery discharge protection ....146Exterior lighting
Light switch
Turn light switch:
AUTO:automatic light control
switches automatically
between daytime running
light and headlight8:sidelights9:headlights
When switching on the ignition,
automatic light control is active.
Control indicator 8 3 114.
146LightingThey 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.
Activating
1. Switch off the ignition.
2. Remove the ignition key.
3. Open the driver's door.
4. 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.
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 3 121.
Vehicle personalisation 3 125.
The settings can be saved for the key being used 3 24.
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 window and 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.
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.
158Driving and operatingDriving 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 3 163.
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.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 diesel particle filter may take
place more often.
Diesel particle filter 3 168.
Autostop may be inhibited to allow for
charging of the vehicle battery.
Ignition switch positions
Turn key: