Instruments and controls73Instruments and
controlsControls ....................................... 74
Steering wheel adjustment ........74
Steering wheel controls .............74
Heated steering wheel ...............74
Horn ........................................... 75
Windscreen wiper/washer .........75
Rear window wiper/washer .......77
Outside temperature ..................77
Clock ......................................... 78
Power outlets ............................. 78
Inductive charging .....................79
Cigarette lighter ......................... 80
Ashtrays .................................... 80
Warning lights, gauges and indi‐
cators ........................................... 81
Instrument cluster ......................81
Speedometer ............................. 84
Odometer .................................. 85
Trip odometer ............................ 85
Tachometer ............................... 85
Fuel gauge ................................ 86
Fuel selector .............................. 86
Engine coolant temperature gauge ....................................... 87Engine oil level monitor.............88
Service display .......................... 88
Control indicators ......................89
Turn signal ................................. 89
Seat belt reminder .....................89
Airbag and belt tensioners .........90
Airbag deactivation ....................90
Charging system .......................90
Malfunction indicator light ..........90
Service vehicle soon .................91
Stop engine ............................... 91
System check ............................ 91
Brake and clutch system ...........91
Antilock brake system (ABS) .....91
Gear shifting .............................. 92
Lane departure warning ............92
Electronic Stability Control and Traction Control system ...........92
Electronic Stability Control and Traction Control system off ......92
Engine coolant temperature ......92
Preheating ................................. 93
Diesel particle filter ....................93
AdBlue ....................................... 93
Deflation detection system ........93
Engine oil pressure ....................93
Low fuel ..................................... 94
Autostop .................................... 94
Exterior light .............................. 94
High beam ................................. 94High beam assist.......................94
Low beam .................................. 94
Fog light ..................................... 94
Rear fog light ............................. 94
Rain sensor ............................... 94
Cruise control ............................ 94
Speed limiter ............................. 95
Traffic sign assistant ..................95
Door open .................................. 95
Information displays .....................95
Driver Information Centre ..........95
Info display ................................ 97
Head-up display ........................99
Vehicle messages ......................101
Warning chimes .......................101
Battery voltage ........................ 101
Vehicle personalisation ..............102
Telematics service .....................105
OnStar ..................................... 105
84Instruments and controlsOverviewOTurn signal 3 89XSeat belt reminder 3 89vAirbag and belt tensioners
3 90VAirbag deactivation 3 90pCharging system 3 90ZMalfunction indicator light
3 90HService vehicle soon 3 91STOPStop engine 3 91JSystem check 3 91RBrake and clutch system
3 91uAntilock brake system (ABS)
3 91RGear shifting 3 92)Lane departure warning
3 92bElectronic Stability Control
and Traction Control system
3 92aElectronic Stability Control
and Traction Control system
off 3 92!Preheating 3 93%Diesel particle filter 3 93YAdBlue 3 93wDeflation detection system
3 93IEngine oil pressure 3 93
Engine oil level monitor
3 88Y oLow fuel 3 94W oEngine coolant temperature
high 3 92DAutostop 3 948Exterior light 3 949Low beam 3 94CHigh beam 3 94fHigh beam assist 3 94>Fog light 3 94øRear fog light 3 94
Instruments and controls89● switch on ignition; the distanceindication begins a countdown
● when the display indicates =0,
release the button. Symbol F
disappears
Retrieving service information
To retrieve the status of the service
information at any time press button
M or CHECK . The service
information is displayed for a few
seconds.
Service information 3 223.
Control indicators
The control indicators described are
not present in all vehicles. The
description applies to all instrument
versions. Depending on the
equipment, the position of the control indicators may vary. When the
ignition is switched on, most control
indicators will illuminate briefly as a
functionality test.
The control indicator colours mean:red:danger, important reminderyellow:warning, information, faultgreen:confirmation of activationblue:confirmation of activationwhite:confirmation of activation
See all control indicators on different
instrument clusters 3 81.
Turn signal
O 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 signal light or associated fuse, failure of turn
signal light on trailer.
Bulb replacement 3 191, Fuses
3 199.
Turn signals 3 114.
Seat belt reminder
Seat belt reminder on all seats X illuminates or flashes red in the
instrument cluster together with the
indication in the roof console for each
seat belt.
● When the ignition is switched on,
X in the instrument cluster and
the symbol for the respective
seat in the roof console comes
Instruments and controls93Check coolant level immediately
3 188.
If there is sufficient coolant, consult a
workshop.
Preheating
! illuminates yellow.
Preheating of Diesel engine is
activated. Only activates when
outside temperature is low. Start the
engine when control indicator
extinguishes.
Diesel particle filter % or H illuminates yellow.
The diesel particle filter requires
cleaning.
Continue driving until the control
indicator extinguishes.
Illuminates temporarily Start of saturation of the particle filter.
Start cleaning process as soon as
possible by driving at a vehicle speed of at least 40 mph.Illuminates constantly
Indication of a low additive level. Seek
the assistance of a workshop.
Diesel particle filter 3 140.
AdBlue
Y flashes or illuminates yellow.
Illuminates yellow
The remaining driving range is
between 600 km and 2400 km.
Have the AdBlue® topped-up as soon as possible by a qualified workshop.
You can add up to 10 litres of
AdBlue® to its tank.
Flashes yellow
The remaining driving range is
between 0 and 600 km.
Top-up the AdBlue® as soon as
possible to avoid a breakdown by a
qualified workshop. You can add up
to 10 litres of AdBlue® to its tank.
Deflation detection system
w illuminates or flashes yellow.Illuminates
Tyre pressure loss in one or more
wheels. Stop immediately and check
tyre pressure.
Flashes
Fault in system. 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.
94Instruments and controls3. Move out of the flow of traffic asquickly 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
assistance of a workshop 3 187.
Low fuel
o illuminates yellow.
Level in fuel tank is too low.
Refuelling 3 178.
Bleeding the diesel fuel system
3 190.
Autostop
D illuminates or flashes green.
Illuminates green
Engine is in an Autostop.
Flashes green
Autostop is temporarily unavailable,
or Autostop mode is invoked
automatically.
Stop-start system 3 137.
Exterior light
8 illuminates green.
The exterior lights are on 3 110.
High beam
C illuminates blue.
Illuminated when high beam is on or
during headlight flash 3 111.
High beam assist
f illuminates green.
The high beam assist is activated,
see Adaptive forward lighting 3 112.Low beam
9 illuminates green.
Illuminated when low beam is on.
Fog light
> illuminates green.
The front fog lights are on 3 114.
Rear fog light ø illuminates yellow.
The rear fog light is on 3 115.
Rain sensor < illuminates green.
Illuminated when rain sensor position
on wiper stalk is selected.
Side blind spot alert
B illuminates green.
The system is active.
Cruise control
m illuminates in the Driver
Information Centre.
Lighting113It switches automatically to low beam
when:
● The camera or a sensor in the windscreen detects the lights of
oncoming or preceding vehicles.
● The vehicle speed drops below 9 mph.
● It is foggy or snowy.
● Driving in urban areas.
If there are no restrictions detected,
the system switches back to high
beam.
ActivationActivate this function pressing a
button on the turn and lane change
lever. The LED of the button
illuminates if the high beam assist is activated. The high beam is switched on automatically at a speed above
15 mph.
The green control indicator f
illuminates continuously when the
assist is activated, the blue one 7
illuminates when high beam is on.
Control indicator f 3 94.
Deactivation
Deactivate this function pressing a
button on the turn and lane change
lever.
If a headlight flash is activated when
the high beam assist is activated and
low beam is on, the high beam assist will be deactivated. The system
changes to high beam.
If a headlight flash is activated when
the high beam assist is activated and
high beam is on, the high beam assist will be deactivated. The system
changes to low beam.
To reactivate the high beam assist,
flash the headlights again.Automatic headlight levelling
To prevent oncoming traffic from
being dazzled, headlight levelling is
automatically adjusted based on the
load in the vehicle.
Fault in Adaptive forward lighting- LED system
When the system detects a failure in
the Adaptive forward lighting-LED
headlight system, a warning is
displayed in the Driver Information
Centre.
Hazard warning flashers
Operated by pressing ¨.
Climate control119Climate controlClimate control systems.............119
Heating and ventilation system 119
Air conditioning system ...........120
Electronic climate control system .................................... 123
Auxiliary heater ........................127
Air vents ..................................... 128
Adjustable air vents .................128
Fixed air vents ......................... 129
Maintenance .............................. 129
Air intake ................................. 129
Air conditioning regular operation ................................ 130
Service .................................... 130Climate control systems
Heating and ventilation system
Controls for: ● temperature £
● air distribution l, M and K
● fan speed Z
● demisting and defrosting à
● heated rear window and exterior mirrors b
● heated seats ß
Temperature £
Adjust the temperature by turning
£ to the desired temperature.red area:warmerblue area:colder
Heating will not be fully effective until
the engine has reached normal
operating temperature.
Air distribution l M K
Press:
l:to windscreen and front door
windowsM:to head area and rear seats via
adjustable front air ventsK:to front and rear foot well and
windscreen
Combinations are possible.
Fan speed Z
Adjust the air flow by turning Z to the
desired speed.
to the right:increaseto the left:decrease
120Climate controlDemisting and defrosting the
windows á
● Press á: the air distribution is
directed towards the windscreen.
● Set temperature controller £ to
warmest level.
● Set fan speed Z to highest level.
● Switch on heated rear window b.
● Open side air vents as required and direct them towards the doorwindows.
Heated rear window and exterior
mirrors b
3 38
Heated seats ß
3 46.
Air conditioning system
Illustration shows functions which
may not be available for your
particular vehicle.
Controls for: ● temperature £
● air distribution l, M and K
● fan speed Z
● demisting and defrosting à
● air conditioning A/C
● air recirculation 4
● heated rear window and exterior
mirrors b
● heated windscreen ,
● heated seats ß
Some changes of settings are
indicated briefly in the Info-Display.
Activated functions are indicated by the LED in the respective button.
Temperature £
Adjust the temperature by turning £ to the desired temperature.
red area:warmerblue area:colder