76Instruments and controlsInstruments and
controlsControls ....................................... 77
Steering wheel adjustment ........77
Steering wheel controls .............77
Heated steering wheel ...............77
Horn ........................................... 78
Windscreen wiper and washer ..78
Rear window wiper and washer ...................................... 80
Outside temperature ..................80
Clock ......................................... 81
Power outlets ............................. 83
Warning lights, gauges and indi‐ cators ........................................... 84
Speedometer ............................. 84
Odometer .................................. 84
Trip odometer ............................ 84
Tachometer ............................... 85
Fuel gauge ................................ 85
Fuel selector .............................. 86
Engine coolant temperature gauge ....................................... 87
Service display .......................... 87
Control indicators ......................88
Turn lights .................................. 92Seat belt reminder.....................92
Airbag and belt tensioners .........92
Airbag deactivation ....................93
Charging system .......................93
Malfunction indicator light ..........93
Brake and clutch system ...........93
Antilock brake system (ABS) .....94
Gear shifting .............................. 94
Descent control system .............94
Lane departure warning ............94
Electronic Stability Control off ...94
Electronic Stability Control and Traction Control system ...........94
Traction Control system off .......95
Preheating ................................. 95
AdBlue ....................................... 95
Tyre pressure monitoring system ...................................... 95
Engine oil pressure ....................95
Low fuel ..................................... 95
Immobiliser ................................ 96
Exterior light .............................. 96
High beam ................................. 96
High beam assist .......................96
Adaptive forward lighting ...........96
Front fog lights ........................... 96
Rear fog light ............................. 96
Cruise control ............................ 96
Vehicle detected ahead .............97
Speed limiter ............................. 97Traffic sign assistant ..................97
Door open .................................. 97
Displays ....................................... 97
Driver Information Centre ..........97
Info Display .............................. 102
Vehicle messages ......................104
Warning chimes .......................105
Battery voltage ........................ 105
Vehicle personalisation ..............106
Telematics service .....................110
OnStar ..................................... 110
ERA GLONASS .......................114
84Instruments and controlsWarning lights, gauges
and indicators
Speedometer
Indicates vehicle speed.
Odometer
The total recorded distance is
displayed in km.
Trip odometer The recorded distance since the last
reset is displayed on the trip computer
page.
Trip odometer counts up to
9,999 km and then restarts at 0.
Two trip odometer pages are
selectable for different trips.
Midlevel instrument cluster
Select ; by pressing Menu on the
turn signal lever. Turn adjuster wheel
and select ;1 or ; 2. Each trip
odometer page can be reset
separately by pressing SET/CLR on
the turn signal lever for a few seconds
on the respective menu.
92Instruments and controlsTurn lightsO illuminates or flashes green.
Illuminates briefly The parking lights are switched on.
Flashes
A turn signal or the hazard warning flashers are activated.
Rapid flashing: failure of a turn light or associated fuse, failure of turn light on
trailer.
Bulb replacement 3 188.
Fuses 3 193.
Turn lights 3 123.
Seat belt reminder
Seat belt reminder on front seats
X for driver's seat illuminates or
flashes red in the instrument cluster.
k for front passenger seat illuminates
or flashes red in the centre console
when seat is occupied.Illuminates
After the ignition has been switched
on until the seat belt has been
fastened.
Flashes
After having started the engine until
the seat belt has been fastened.
Seat belt status on rear seats
(vehicles with Midlevel display)
X illuminates or flashes white or grey
in the Driver Information Centre, after having started the engine.
Illuminates white
Seat belt is unfastened.
Illuminates grey
Seat belt has been fastened.
Flashes white or grey
Fastened seat belt has been
unfastened.
Fastening the seat belt 3 45.Seat belt status on rear seats
(vehicles with Uplevel display)
X illuminates green or grey or flashes
yellow in the Driver Information
Centre, after having started the
engine.
Illuminates grey
Seat belt is unfastened.
Illuminates green
Seat belt has been fastened.
Flashes yellow
Fastened seat belt has been
unfastened.
Fastening the seat belt 3 45.
Airbag and belt tensioners
v illuminates red.
When the ignition is switched on, the control indicator illuminates for a few
seconds. If it does not illuminate,
does not go out after a few seconds
or illuminates whilst driving, there is a
fault in the airbag system. Seek the
assistance of a workshop. The
96Instruments and controlsFlashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Refuelling 3 172.
Catalytic converter 3 143.
Bleeding the diesel fuel system
3 187.
Immobiliser d flashes yellow.
Fault in the immobiliser system. The
engine cannot be started.
Have the cause of the fault remedied
by a repairer.
Exterior light
8 illuminates green.
The exterior lights are on 3 116.
High beam
C illuminates blue.Illuminates when high beam is on or
during headlight flash 3 117 , or when
high beam is on with high beam
assist, adaptive forward lighting
3 120.
High beam assist f illuminates green.
The high beam assist is activated
3 120.
Adaptive forward lighting f illuminates or flashes yellow.
Illuminates
The adaptive forward lighting system
needs a service.
Seek the assistance of a workshop. Adaptive forward lighting 3 120.
Flashes
System switched to symmetrical low
beam.Control indicator f flashes for approx.
4 seconds after the ignition is
switched on as a reminder that the system has been activated 3 119.
Automatic light control 3 117.
Front fog lights > illuminates green.
The front fog lights are on 3 123.
Rear fog light r illuminates yellow.
The rear fog light is on 3 123.
Cruise control
m illuminates white or green.
Illuminates white The system is on.
Illuminates green
Cruise control is active.
Cruise control 3 155.
Instruments and controls105Warning chimesIf several warnings appear at the
same time, only one warning chime will sound.
When starting the engine or whilst driving
The warning chime regarding
unfastened seat belts has priority
over any other warning chime.
● If a door, the tailgate or bonnet is
open.
● If seat belt is not fastened. ● If a certain speed is exceeded with parking brake applied.
● If a programmed speed or speed
limit is exceeded.
● If a warning message appears in the Driver Information Centre.
● If approaching a vehicle ahead too closely.
● If the electronic key is not in the passenger compartment.
● If an unintended lane change occurs.● If the parking assist detects anobject.
● If the fuel level is low.
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 battery voltage is running
low, a warning message or warning code 174 will appear in the Driver
Information Centre.
1. Switch off immediately any electrical consumers which are
not required for a safe ride, e.g.
seat heating, heated rear window or other main consumers.
2. Charge the battery by driving continuously for a while or by
using a charging device.The warning message or warning
code will disappear after the engine
has been started twice consecutively
without a voltage drop.
If the battery cannot be recharged,
have the cause of the fault remedied
by a workshop.
106Instruments and controlsVehicle personalisationThe 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.
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 : Activates or
deactivates auto demist.
Auto Rear Demist : Activates the
heated rear window
automatically.
● Park Assist / Collision Detection
Park Assist : Activates or
deactivates the ultrasonic
sensors.
● 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
automatic switching on of therear window wiper when reverse gear is engaged.
● Exterior Ambient Lighting
Exterior lighting by unlocking :
Activates or deactivates the entry
lighting.
Duration upon exit of vehicle :
Activates or deactivates and
changes the duration of exit
lighting.
Left or Right Hand Traffic :
Changes between lighting for left or right-hand traffic.
Adaptive Forward Lighting :
Changes the settings of the
functions of the LED headlights.
● Power Door Locks
Stop door lock if door open :
Activates or deactivates the door
locking function while a door is open.
Auto Door Lock : Activates or
deactivates the automatic door
locking function after switching
on ignition.
108Instruments and controlsAuto Rear Defog: Activates the
heated rear window
automatically.
● Collision / Detection Systems
Rear View Camera Guidelines :
Activates or deactivates the rear view camera guidelines on the
Info Display.
Park Assist : Activates or
deactivates the ultrasonic
sensors.
● Comfort and Convenience
Chime Volume : Changes the
volume of warning chimes.
Personalization By Driver :
Activates or deactivates the
personalisation function.
Auto Wipe in Reverse Gear :
Activates or deactivates
automatic switching on of the
rear window wiper when reverse gear is engaged.
● Lighting
Vehicle Locator Lights : Activates
or deactivates the entry lighting.Exit Lighting : Activates or
deactivates and changes the
duration of exit lighting.
Left or Right Hand Traffic :
Changes between lighting for left
or right-hand traffic.
Adaptive Forward Lighting :
Changes the settings of the
functions of the LED headlights.
● Power Door Locks
Unlocked Door Anti Lock Out :
Activates or deactivates the door locking function while a door is
open.
Auto Door Lock : Activates or
deactivates the automatic door
locking function after switching on ignition.
Delayed Door Lock : Activates or
deactivates the delayed door
locking function.
● Remote Lock, Unlock, Start
Remote Unlock Light Feedback :
Activates or deactivates the
hazard warning flasher feedback
whilst unlocking.Remote Lock Feedback :
Changes what kind of feedback
is given when locking the vehicle.
Remote Door Unlock : Changes
the configuration to unlock only
the driver's door or the whole
vehicle whilst unlocking.
Relock Remotely Unlocked
Doors : Activates or deactivates
the automatic relock function
after unlocking without opening
the vehicle.
Remote Window Operation :
Activates or deactivates the
operation of power windows with
remote control.
Passive Door Unlock : Changes
the configuration to unlock only
the driver's door or the whole
vehicle whilst unlocking.
Passive Door Lock : Activates or
deactivates the passive locking
function. This feature locks the
vehicle automatically after
several seconds if all doors have been closed and an electronickey has been removed from the
vehicle.
Instruments and controls109Remote Left in Vehicle Alert:
Activates or deactivates the
warning chime when the
electronic key remains in the
vehicle.
Personal settings
8" Colour Info Display
Press ; then select the SETTINGS
icon.
In the corresponding submenus the
following settings can be changed:
Vehicle
● Climate and Air Quality
Auto Fan 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 : Activates or
deactivates auto demist.
Auto Rear Demist : Activates the
heated rear window
automatically.
● Collision / Detection Systems
Park Assist : Activates or
deactivates the ultrasonic
sensors.
● Comfort and Convenience
Chime Volume : Changes the
volume of warning chimes.
Personalisation by Driver :
Activates or deactivates the
personalisation function.
Auto Wipe in Reverse Gear :
Activates or deactivates
automatic switching on of therear window wiper when reverse
gear is engaged.
● Lighting
Vehicle Locator Lights : Activates
or deactivates the entry lighting.
Exit Lighting : Activates or
deactivates and changes the duration of exit lighting.
Left or Right Hand Traffic :
Changes between lighting for left or right-hand traffic.
Adaptive Forward Lighting :
Changes the settings of the
functions of the LED headlights.
● Power Door Locks
Unlocked Door Anti-Lockout :
Activates or deactivates the door
locking function while a door is open.
Auto Door Lock : Activates or
deactivates the automatic door
locking function after switching on ignition.
Delayed Door Lock : Activates or
deactivates the delayed door
locking function. This feature