Page 100 of 341

98Instruments and controlsInstruments and
controlsControls ....................................... 99
Steering wheel adjustment ........99
Steering wheel controls .............99
Heated steering wheel ...............99
Horn ......................................... 100
Windscreen wiper/washer .......100
Rear window wiper/washer .....102
Outside temperature ................102
Clock ....................................... 103
Power outlets ........................... 104
Cigarette lighter .......................105
Ashtrays .................................. 105
Warning lights, gauges and indi‐ cators ......................................... 106
Instrument cluster ....................106
Speedometer ........................... 106
Odometer ................................ 106
Trip odometer .......................... 106
Tachometer ............................. 106
Fuel gauge .............................. 107
Fuel selector ............................ 107
Engine coolant temperature gauge ..................................... 107
Service display ........................ 108Control indicators ....................109
Turn signal ............................... 112
Seat belt reminder ...................112
Airbag and belt tensioners .......112
Airbag deactivation ..................112
Charging system .....................113
Malfunction indicator light ........113
Service vehicle soon ...............113
Brake and clutch system .........113
Operate pedal .......................... 113
Electric parking brake ..............113
Electric parking brake fault ......114
Antilock brake system (ABS) ...114
Upshift ..................................... 114
Power steering ........................ 114
Lane departure warning ..........114
Ultrasonic parking assist .........115
Electronic Stability Control off . 115
Electronic Stability Control and Traction Control system .........115
Traction Control system off .....115
Preheating ............................... 115
Diesel particle filter ..................115
Tyre pressure monitoring system .................................... 116
Engine oil pressure ..................116
Low fuel ................................... 116
Immobiliser .............................. 117
Reduced engine power ...........117
Exterior light ............................ 117High beam............................... 117
High beam assist .....................117
Adaptive forward lighting .........117
Fog light ................................... 117
Rear fog light ........................... 117
Low washer fluid ......................117
Cruise control .......................... 117
Adaptive cruise control ............117
Vehicle detected ahead ...........118
Door open ................................ 118
Information displays ...................118
Driver Information Centre ........118
Graphic-Info-Display, Colour- Info-Display ............................ 122
Smartphone controller .............124
Vehicle messages ......................124
Warning chimes .......................127
Battery voltage ........................ 127
Trip computer ............................. 128
Vehicle personalisation ..............130
OnStar® system ........................135
Page 101 of 341
Instruments and controls99Controls
Steering 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, the cruise
control and a connected mobile
phone can be operated via the
controls on the steering wheel.
Further information is available in the
Infotainment system manual.
Driver assistance systems 3 183.
Heated steering wheel
Activate heating by pressing *.
Activation is indicated by the LED in
the button.
Page 102 of 341
100Instruments and controlsThe 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 3 166.
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 103 of 341
Instruments and controls101Automatic wiping with rain sensorINT:automatic wiping with rain
sensor
The rain sensor detects the amount of water on the windscreen and
automatically regulates the frequency
of the windscreen wiper.
If the wiper frequency is above
20 seconds, the wiper arm moves
slightly down to the park position.
Adjustable sensitivity of the rain
sensor
Turn the adjuster wheel to adjust the
sensitivity:
low sensitivity:turn adjuster
wheel downwardshigh sensitivity:turn adjuster
wheel upwards
Keep the sensor free from dust, dirt
and ice.
Windscreen and headlight
washer
Page 110 of 341

108Instruments and controlsDisplays the coolant temperature.left area:engine operating
temperature not yet
reachedcentral
area:normal operating
temperatureright area: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 lets you
know 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.
To display the remaining engine oil
life duration use turn signal lever
buttons:
Press MENU to select the Vehicle
Information Menu X .
Turn the adjuster wheel to select
Remaining Oil Life .
The remaining engine oil life duration
is displayed in percent in the Driver
Information Centre.
Reset Press SET/CLR on turn signal lever
for several seconds to reset. The
remaining engine oil life duration
page must be active. Switch on
ignition, but not the engine.
The system must be reset every time
the engine oil is changed, to ensure
proper functionality. Seek the
assistance of a workshop.
Next service When the system has calculated that
engine oil life has diminished, a
warning message appears in the
Driver Information Centre. Have
engine oil and filter changed by a
workshop within one week or
300 miles (whichever occurs first).
Driver Information Centre 3 118.
Service information 3 285.
Page 118 of 341

116Instruments and controlsFlashes
The maximum filling level of the filter is reached. Start cleaning process
immediately to avoid damage to the
engine.
Diesel particle filter 3 169, Stop-start
system 3 166.
Tyre pressure monitoring
system
w illuminates or flashes yellow.
Illuminates
Tyre pressure loss. Stop immediately
and check tyre pressure.
Flashes
Fault in system or tyre without
pressure sensor mounted ( e.g. spare
wheel). After 60-90 seconds the control indicator illuminates
continuously. Consult a workshop.
Engine oil pressure
I illuminates red.Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine is
runningCaution
Engine lubrication may be
interrupted. This may result in
damage to the engine and/or
locking of the drive wheels.
1. Depress clutch.
2. Select neutral gear, set selector lever to N.
3. Move out of the flow of traffic as quickly as possible without
impeding other vehicles.
4. Switch off ignition.
9 Warning
When the engine is off,
considerably more force is needed
to brake and steer. During an
Autostop the brake servo unit will still be operational.
Do not remove key until vehicle is stationary, otherwise the steeringwheel lock could engage
unexpectedly.
Check oil level before seeking the
assistance of a workshop 3 228.
Low fuel
i illuminates or flashes yellow.
Illuminates
Level in fuel tank is too low.
Flashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Catalytic converter 3 170.
Bleeding the diesel fuel system
3 233.
Page 121 of 341

Instruments and controls119Some of the displayed functions differ
when the vehicle is being driven or at
a standstill. Some functions are only
available when the vehicle is being
driven.
Vehicle personalisation 3 130.
Memorised settings 3 22.
Selecting menus and functions
The menus and functions can be
selected via the buttons on the turn
signal lever.
Press MENU to switch between the
menus or to return from a submenu to the next higher menu level.
Turn the adjuster wheel to highlight a
menu option or to set a numeric value.
Press SET/CLR to select a function or
confirm a message.
Vehicle Information Menu
Press MENU to select the Vehicle
Information Menu or, on Uplevel-
Combi-Display, select X.
Turn the adjuster wheel to select a submenu. Press SET/CLR to confirm.
Follow the instructions given in the
submenus.
Possible submenus can include,
depending on the version:
● Unit : Displayed units can be
changed.
● Tyre Pressure : Checks tyre
pressure of all wheels during
driving 3 262.
● Tyre Load : Select tyre pressure
category according to the current actual tyre inflation pressure
3 262.
Page 122 of 341
120Instruments and controls
●Remaining Oil Life : Indicates
when to change the engine oil and filter 3 108.
● Speed Warning : If exceeding the
preset speed, a warning chime will be activated.
● Traffic Sign Assistant : Displays
detected traffic signs for the
current route section. 3 209
● Following Dist. : Displays the
distance to a moving vehicle ahead 3 196.
Selection and indication can be
different between Midlevel-Display
and Uplevel-Combi-Display.
Trip/Fuel Information Menu
Press MENU to select the Trip/Fuel
Information Menu , or select W on
Uplevel-Combi-Display.
Turn the adjuster wheel to select a
submenu. Press SET/CLR to confirm.
● trip odometer 1
● trip odometer 2
● digital speed
Trip odometer 2 and digital speed are
only available on vehicles with
Uplevel-Combi-Display.