Page 35 of 317

Keys, doors and windows33
Press and hold c to open windows.
Press and hold e to close windows.
Release button to stop window
movement.
If the windows are fully opened or
closed, the hazard warning lights will
flash twice.
Overload
If the windows are repeatedly
operated within short intervals, the
window operation is disabled for
some time.
Initialising the power windows
If the windows cannot be closed
automatically (e.g. after
disconnecting the vehicle battery), a
warning message is displayed in the
Driver Information Centre.
Vehicle messages 3 106.
Activate the window electronics as
follows:
1. Close doors.
2. Switch on ignition.
3. Pull switch until the window is closed and keep pulling for
additional two seconds.
4. Repeat for each window.Heated rear window
Operated by pressing Ü.
Heating works with the engine
running and is switched off
automatically after a short time.
Depending on the engine type, the
heated rear window comes on
automatically when the exhaust filter
is being cleaned.
Sun visors
The sun visors can be folded down or swivelled to the side to prevent
dazzling.
Page 40 of 317

38Seats, restraintsFront seatsSeat position9 Warning
Only drive with the seat correctly
adjusted.
9 Warning
Never adjust seats while driving as
they could move uncontrollably.
9 Danger
Do not sit closer than 25 cm to the
steering wheel, to permit safe
airbag deployment.
9 Warning
Never store any objects under the
seats.
● Sit with buttocks as far back against the backrest as possible.
Adjust the distance between the
seat and the pedals so that legs
are slightly angled when pressing the pedals. Slide the front
passenger seat as far back as
possible.
● Set seat height high enough to have a clear field of vision on allsides and of all display
instruments. There should be at
least one hand of clearance
between head and the roof
frame. Your thighs should rest
lightly on the seat without
pressing into it.
● Sit with shoulders as far back against the backrest as possible.
Set the backrest rake so that it is
possible to easily reach the
steering wheel with arms slightly
bent. Maintain contact between
shoulders and the backrest when turning the steering wheel. Do
not angle the backrest too far
back. We recommend a
maximum rake of approx. 25°.
● Adjust seat and steering wheel in
a way that the wrist rests on top
of the steering wheel while the
arm is fully extended and
shoulders are on the backrest.
● Adjust the steering wheel 3 83.
● Adjust the head restraint 3 36.
● Adjust the height of the seat belt 3 46.
● Adjust the thigh support so that there is a space approx. two
fingers wide between the edge of
the seat and the hollow of the
knee.
● Adjust the lumbar support so that
it supports the natural shape of
the spine.
Page 84 of 317

82Instruments and controlsInstruments and
controlsControls ....................................... 83
Steering wheel adjustment ........83
Steering wheel controls .............83
Heated steering wheel ...............83
Horn ........................................... 84
Windscreen wiper and washer ..84
Rear window wiper and washer ...................................... 85
Outside temperature ..................86
Clock ......................................... 86
Power outlets ............................. 87
Cigarette lighter ......................... 88
Ashtrays .................................... 88
Warning lights, gauges and indi‐ cators ........................................... 89
Instrument cluster ......................89
Speedometer ............................. 89
Odometer .................................. 89
Trip odometer ............................ 89
Tachometer ............................... 90
Fuel gauge ................................ 90
Engine coolant temperature gauge ....................................... 90
Service display .......................... 91Control indicators ......................92
Turn lights .................................. 94
Seat belt reminder .....................95
Airbag and belt tensioners .........95
Airbag deactivation ....................96
Charging system .......................96
Malfunction indicator light ..........96
Brake and clutch system ...........96
Operate pedal ............................ 97
Electric parking brake ................97
Electric parking brake fault ........97
Antilock brake system (ABS) .....97
Gear shifting .............................. 98
Power steering .......................... 98
Following distance .....................98
Lane departure warning ............98
Electronic Stability Control off ...98
Electronic Stability Control and Traction Control system ...........98
Traction Control system off .......98
Preheating ................................. 99
Exhaust filter .............................. 99
AdBlue ....................................... 99
Tyre pressure monitoring system ...................................... 99
Engine oil pressure ....................99
Low fuel ................................... 100
Immobiliser .............................. 100
Exterior light ............................ 100
High beam ............................... 100High beam assist.....................100
LED headlights ........................ 100
Front fog lights ......................... 100
Rear fog light ........................... 100
Cruise control .......................... 100
Adaptive cruise control ............101
Vehicle detected ahead ...........101
Speed limiter ........................... 101
Traffic sign assistant ................101
Door open ................................ 101
Displays ..................................... 101
Driver Information Centre ........101
Info Display .............................. 105
Vehicle messages ......................106
Warning chimes .......................107
Battery voltage ........................ 107
Vehicle personalisation ..............108
Telematics service .....................109
OnStar ..................................... 109
Page 88 of 317
86Instruments and controls
Push lever. Washer fluid is sprayed
onto the rear window and the wiper
wipes a few times.
Do not use if the rear window is
frozen.
Switch off in car washes.
The rear window wiper comes on
automatically when the windscreen
wiper is switched on and reverse gear
is engaged.
Activation or deactivation of this
function can be changed in the
Settings menu in the Info-Display.
Vehicle personalisation 3 108.
Outside temperature
A drop in temperature is indicated
immediately and a rise in temperature
after a time delay.
If outside temperature drops to 3 °C,
a warning message is displayed in the Driver Information Centre.9 Warning
The road surface may already be
icy even though the display
indicates a few degrees above
0 °C.
Clock
Date and time are shown in the
Info-Display.
R 4.0 IntelliLink
Press ; and then select Settings.
Select Time and Date to display the
respective submenu.
Page 91 of 317
Instruments and controls89Warning lights, gauges
and indicators
Instrument cluster
In some versions, the needles of the
instruments briefly rotate to the end
position when the ignition is switched on.
Speedometer
Indicates vehicle speed.
Odometer
The total recorded distance is
displayed in km.
Trip odometer The recorded distance is displayed
since the last reset.
Trip odometer counts up to 9999 km
and then restarts at 0.
Two trip odometer pages are
selectable for different trips.
Select ; by pressing Menu on the
turn signal lever. Turn adjuster wheel
on turn signal lever 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.
Page 92 of 317
90Instruments and controlsTachometer
Displays the engine speed.
Drive in a low engine speed range for each gear as much as possible.
Caution
If the needle is in the red warning
zone, the maximum permitted
engine speed is exceeded. Engine at risk.
Fuel gauge
Displays the fuel level in the tank
depending on the operation mode.
Number of LEDs displayed shows the level in the fuel tank. 8 LEDs means
fuel tank is full.
Low fuel indication
One remaining LED illuminating white indicates that the fuel level is low.
If the LED changes to red and Y
illuminates yellow, refuel the tank soon.
If the LED illuminates red and Y
flashes yellow, refuel immediately.
Never run the fuel tank dry.
The arrow indicates the vehicle side
where the fuel filler flap is located.
Because of the fuel remaining in the
tank, the top-up quantity may be less
than the specified tank capacity.
Engine coolant temperaturegauge
Number of LEDs displayed shows the coolant temperature.
Page 93 of 317

Instruments and controls91up to 3 LEDs:engine operating
temperature not
yet reached4 to 6 LEDs:normal operating
temperaturemore than 6
LEDs:temperature too
highCaution
If engine coolant temperature is
too high, stop vehicle, switch off
engine. Danger to engine. Check
coolant level.
Service display
The engine oil life system informs
when to change the engine oil and
filter. Based on driving conditions, the interval at which an engine oil and
filter change will be indicated can vary
considerably.
When the system has calculated that
engine oil life has been diminished,
Change Engine Oil Soon appears in
the Driver Information Centre. Have engine oil and filter changed by a
workshop within one week or
500 km, whichever occurs first.
This can be an additional engine oil
and filter change or part of a regular
service.
The remaining oil life duration menu
is displayed in the Driver Information
Centre 3 101.
Select Vehicle Information
Menu ? by pressing MENU on the
turn signal lever. Turn the adjuster wheel to select Remaining Oil Life .
Remaining oil life duration is indicated
in percentage.
ResetPress SET/CLR on turn signal lever
for several seconds to reset. The
ignition must be switched on but
engine not running.
The system must be reset every time
the engine oil is changed to ensure
proper functionality. Seek the
assistance of a workshop.
Page 103 of 317

Instruments and controls101Illuminates whiteThe system is on.
Illuminates green
Cruise control is active. Set speed is
indicated in the Driver Information
Centre.
Cruise control 3 203.
Adaptive cruise control
m illuminates white or green.
C illuminates in the Driver
Information Centre.
m illuminates white
The system is on.
m illuminates green
Adaptive cruise control is active.
When Adaptive cruise control is on or active, C with the set speed is
indicated in the Driver Information
Centre.
Adaptive cruise control 3 206.Vehicle detected ahead
A illuminates green.
Illuminates green
A vehicle ahead is detected in the
same lane.
Adaptive cruise control 3 206,
Forward collision alert 3 212.
Speed limiter
L illuminates in the Driver
Information Centre when Speed
limiter is active. Set speed is indicated
alongside L symbol.
Speed limiter 3 204.
Traffic sign assistant
L displays detected traffic signs as a
control indicator.
Traffic sign assistant 3 224.
Door open h illuminates red.
A door or the tailgate is open.Displays
Driver Information Centre
The Driver Information Centre is
located in the instrument cluster.
The following menus are selectable in
the Driver Information Centre using
the buttons on the turn signal lever:
● trip/fuel information, displayed by ; , see description below
● vehicle information, displayed by ? , see description below
● economy information menu, displayed by @, see
description below