Page 97 of 291

Instruments and controls95Instruments and
controlsControls ....................................... 96
Steering wheel adjustment ........96
Steering wheel controls .............96
Heated steering wheel ...............96
Horn ........................................... 97
Windscreen wiper/washer .........97
Rear window wiper/washer .......98
Outside temperature ..................99
Clock ....................................... 100
Power outlets ........................... 101
Cigarette lighter .......................102
Ashtrays .................................. 102
Warning lights, gauges and indi‐ cators ......................................... 102
Instrument cluster ....................102
Speedometer ........................... 102
Odometer ................................ 103
Trip odometer .......................... 103
Tachometer ............................. 103
Fuel gauge .............................. 104
Fuel selector ............................ 104
Engine coolant temperature gauge ..................................... 105
Service display ........................ 106Control indicators ....................106
Turn signal ............................... 109
Seat belt reminder ...................110
Airbag and belt tensioners .......110
Airbag deactivation ..................111
Charging system .....................111
Malfunction indicator light ........111
Brake and clutch system .........111
Operate pedal .......................... 112
Electric parking brake ..............112
Electric parking brake fault ......112
Antilock brake system (ABS) ...112
Gear shifting ............................ 113
Power steering ........................ 113
Following distance ...................113
Lane departure warning ..........113
Electronic Stability Control off . 113
Electronic Stability Control and Traction Control system .........113
Traction Control system off .....113
Preheating ............................... 114
Diesel particle filter ..................114
AdBlue ..................................... 114
Tyre pressure monitoring system .................................... 114
Engine oil pressure ..................114
Low fuel ................................... 115
Immobiliser .............................. 115
Exterior light ............................ 115
High beam ............................... 115High beam assist.....................115
LED headlights ........................ 115
Fog light ................................... 115
Rear fog light ........................... 115
Cruise control .......................... 115
Adaptive cruise control ............116
Vehicle detected ahead ...........116
Speed limiter ........................... 116
Traffic sign assistant ................116
Door open ................................ 116
Information displays ...................116
Driver Information Centre ........116
Info display .............................. 121
Vehicle messages ......................122
Warning chimes .......................123
Battery voltage ........................ 123
Vehicle personalisation ..............124
Telematics service .....................127
OnStar ..................................... 127
Page 98 of 291
96Instruments and controlsControlsSteering wheel adjustment
Unlock lever, adjust steering wheel,
then engage lever and ensure it is
fully locked.
Do not adjust steering wheel unless
vehicle is stationary and steering
wheel lock has been released.
Steering wheel controls
The Infotainment system, some driver assistance systems and a connected
mobile phone can be operated via the
controls on the steering wheel.
Further information is available in the
Infotainment manual.
Driver assistance systems 3 172.
Heated steering wheel
Activate heating by pressing *.
Activation is indicated by the LED in
the button.
Page 99 of 291
Instruments and controls97The recommended grip areas of the
steering wheel are heated quicker
and to a higher temperature than the
other areas.
Heating is operational when the
engine is running and during an
Autostop.
Stop-start system 3 153.
Horn
Press j.
Windscreen wiper/washer
Windscreen wiperHI:fastLO:slowINT:interval wiping or automatic
wiping with rain sensorOFF:off
For a single wipe when the
windscreen wiper is off, press the
lever down to position 1x.
Do not use if the windscreen is frozen.
Switch off in car washes.
Adjustable wiper interval
Wiper lever in position INT.
Turn the adjuster wheel to adjust the
desired wipe interval:
short interval:turn adjuster
wheel upwardslong interval:turn adjuster
wheel downwards
Page 100 of 291
98Instruments and controlsAdjustable sensitivity of the rain
sensor
Wiper lever in position INT.
Turn the adjuster wheel to adjust the
sensitivity of the rain sensor.
The rain sensor detects the amount of water on the windscreen and
automatically regulates the wiping
frequency and speed.
After 20 seconds without wiping
activity, the wiper arms move slightly
down to park position.
Keep the sensor free from dust, dirt
and ice.
Windscreen washer
Pull lever. Washer fluid is sprayed
onto the windscreen and the wiper
wipes a few times.
Washer fluid 3 219
Rear window wiper/washer
Press the rocker switch to activate the
rear window wiper:
upper position:continuous
operationlower position:intermittent
operationmiddle position:off
Page 101 of 291
Instruments and controls99
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 3 124.
The rear window washer system is
deactivated when the fluid level is too
low.
Outside temperature
Grafic shows R 4.0 IntelliLink display.
Grafic shows Navi 950 display.
A drop in temperature is indicated immediately and a rise in temperature
after a time delay.
Page 102 of 291

100Instruments and controlsIf 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.
Depending on the vehicle
configuration the
● R 4.0 IntelliLink display or
● Navi 950 display
is available.
R 4.0 IntelliLink
Press ; and then select Settings.
Select Time and Date to display the
respective submenu.
Set Time Format
To select the desired time format,
touch the screen buttons 12 h or 24 h .
Set Date Format
To select the desired date format,
select Set Date Format and choose
between the available options in the submenu.
Auto Set
To choose whether time and date are
to be set automatically or manually, select Auto Set .
For time and date to be set
automatically, select On - RDS.
For time and date to be set manually,
select Off - Manual . If Auto Set is set
to Off - Manual , the submenu items
Set Time and Set Date become
available.
Set time and date
To adjust the time and date settings,
select Set Time or Set Date .
Touch + and - to adjust the settings.
Navi 950 Press HOME , select Config and then
Time and Date .
Automatic time adjustment The system constantly receives
information on the current time and
date.
If you wish the time and date settings
to be updated automatically, activate
RDS Auto Time Adjust .
If you wish to set time and date
manually, deactivate RDS Auto Time
Adjust .
Set time
To adjust the time settings, select Set
Time .
Page 103 of 291
Instruments and controls101
Adjust the settings as desired.
Set date
To adjust the date settings, select Set
Date . Adjust the settings as desired.
Time format
To choose the desired time format,
select 12 hr / 24 hr Format . A
submenu is displayed. Activate 12
Hour or 24 Hour .
Power outlets
A 12 Volt power outlet is located in the
front console. Fold the cover
downwards.
Further 12 Volt power outlets are
located in the rear console
and at the left sidewall in the load
compartment.
Do not exceed the maximum power
consumption of 120 watts.
With ignition off, the power outlets are
deactivated. Additionally the power
outlets are 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.
Page 104 of 291
102Instruments and controlsDo not connect any current-delivering
accessories, e.g. electrical charging
devices or batteries.
Do not damage the outlet by using
unsuitable plugs.
Stop-start system 3 153.
Cigarette lighter
The cigarette lighter is located in the
front console. Fold the cover
downwards.
Press in cigarette lighter. It switches off automatically once the element is
glowing. Pull out lighter.
AshtraysCaution
To be used only for ash and not for combustible rubbish.
The portable ashtray can be placed in
the cupholders.
Warning 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.