Page 82 of 283
80Instruments and controlsHeated steering wheel
Activate heating by pressing *.
Activation is indicated by the LED in
the button.
Heating is operational when the
engine is running and during an
Autostop.
Stop-start system 3 138.
Horn
Press j.
Pedestrian safety alert The sound of the pedestrian safety
alert is generated to indicate the
vehicle presence to pedestrians when
combustion engine is off. It is active
up to 12 mph.
Windscreen wiper and
washer
Windscreen wiper with adjustable
wiper intervalHI:fastLO:slowINT:interval wipingOFF: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.
Page 90 of 283
88Instruments and controlspCharging system 3 94ZMalfunction indicator light
3 94CService vehicle soon
3 94STOPStop engine 3 94JSystem check 3 95RBrake and clutch system
3 95m ,
oElectric parking brake
3 95, automatic operation
of electric parking brake off
3 96EElectric parking brake fault
3 95uAntilock brake system
(ABS) 3 96RGear shifting 3 96)Lane departure warning
3 96LLane keep assist 3 96bElectronic Stability Control
and Traction Control
system 3 96W oEngine coolant tempera‐
ture high 3 97!Preheating 3 97%Exhaust filter 3 97YAdBlue 3 97wDeflation detection system
3 98IEngine oil pressure 3 98Y oLow fuel 3 98DAutostop 3 988Exterior light 3 989Low beam 3 99CHigh beam 3 99fHigh beam assist 3 99>Front fog lights 3 99øRear fog light 3 99
3 100ßSpeed limiter 3 100hDoor open 3 100iHybrid system fault 3 95READYHybrid system active
3 95jCharge cord connected
3 9899Electronic Stability Control
and Traction Control
system off 3 97
Page 91 of 283
Instruments and controls89Speedometer
Indicates vehicle speed.
Odometer
The total recorded distance is
displayed in miles.
Driver Information Centre
Trip odometer
The recorded distance since the last
reset is displayed in the Driver
Information Centre.
Trip odometer counts up to
9,999 miles.
Press L for 2 seconds to reset trip
odometer.
Two trip odometer pages are
selectable in the trip / fuel information menu for different trips 3 100.
Tachometer
Displays the engine speed.
Drive in a low engine speed range for each gear as much as possible.
Page 92 of 283

90Instruments and controlsA red marker indicates the beginning
of the warning zone of excessive
revolutions. For Diesel engines, the
warning zone starts at 5000
revolutions per minute. For petrol
engines, the warning zone starts at
7000 revolutions per minute.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.
Control indicator o illuminates if the
fuel level is low.
Never run the fuel tank dry. Because of the fuel remaining in the
tank, the top-up quantity may be less
than the specified fuel tank capacity.
Battery gauge
The battery gauge displays the high
voltage battery state of charge.
Power indicator gauge
The power indicator gauge informs
about the current energy situation of
the vehicle.
Charge:Battery is being charged
with energy resulting from
braking or deceleration of
the vehicleEco:An optimum in energy is
accessible in all driving
modesPower:Vehicle is driven in a
dynamic driving style with
focus on performance
Page 93 of 283

Instruments and controls91Engine coolant temperaturegauge
Displays the coolant temperature.
50:engine operating temperature
not yet reached90:normal operating temperature130:temperature too high
Control indicator o illuminates if
coolant temperature is too high. Switch off engine immediately.
Caution
If engine coolant temperature is
too high, stop vehicle, switch off
engine. Danger to engine. Check
coolant level.
Engine oil level monitor
The state of the engine oil level is
displayed in the Driver Information
Centre for a few seconds following
the service information after switching
on the ignition.
A proper state of engine oil level is
indicated by a message.
If engine oil level is low, I flashes
and a message is indicated,
accompanied by the C indicator.
Confirm engine oil level by using the
dipstick and top up engine oil
respectively.
Engine oil 3 214.
A fault of measurement is indicated by a message. Check engine oil level
manually by using the dipstick.
Service display
The service system informs when to
change the engine oil and filter or a vehicle service is required. Based on
driving conditions, the interval at
which an engine oil and filter change
is required can vary considerably.
Service information 3 250.
A required service due is displayed in
the Driver Information Centre for
7 seconds after switching on the
ignition.
If no service is required for the next
1800 miles or more no service
information appears in the display.
If service is required within the next
1800 miles, the remaining distance or time duration is indicated for several
seconds. Simultaneously C
illuminates permanently as reminder.
If service is required in less than
600 miles, C flashes and then
illuminates permanently. Remaining distance or time duration is indicated
for several seconds.
Page 96 of 283

94Instruments and controlsAirbag deactivation
ÓON illuminates yellow.
The front passenger airbag is
activated.
* OFF illuminates yellow.
The front passenger airbag is
deactivated.
Airbag deactivation 3 59.
Charging system
p illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine is
running
Stop, switch off engine. Vehicle
battery is not charging. Engine
cooling may be interrupted. The
brake servo unit may cease to be
effective. Seek the assistance of a
workshop.
Malfunction indicator light
Z illuminates or flashes yellow.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine is
running
Fault in the emission control system.The permitted emission limits may be
exceeded. Seek the assistance of a
workshop immediately.Flashes when the engine is
running
Fault that could lead to catalytic
converter damage. Ease up on the
accelerator until the flashing stops.
Seek the assistance of a workshop
immediately.
Service vehicle soon
C illuminates yellow.
Illuminates briefly when the ignition is
switched on.
May illuminate together with other
control indicators and a
corresponding message in the Driver
Information Centre.
Seek the assistance of a workshop
immediately.
Stop engine
Y illuminates red.
Illuminates briefly when the ignition is switched on.
Page 97 of 283

Instruments and controls95Illuminates together with other control
indicators, accompanied by a warning chime and a corresponding message
in the Driver Information Centre.
Stop engine immediately and seek
the assistance of a workshop.
System check J illuminates yellow or red.
Illuminates yellow A minor engine fault has been
detected.
Illuminates red A major engine fault has been
detected.
Stop engine as soon as possible and
seek the assistance of a workshop.
Hybrid system active
READY illuminates green. The hybrid
system ist active.
Hybrid system fault
i illuminates red.The hybrid system has a fault.
Switch off ignition and seek the
assistance of a workshop.
Brake and clutch system
R illuminates red.
The brake and clutch fluid level is too low.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Brake fluid 3 216.
Electric parking brake
m illuminates or flashes red.
Illuminates
Electric parking brake is applied
3 153.
Flashes
Electric parking brake is not applied
automatically. The application or the
release are faulty.
9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
o illuminates yellow.
Illuminates Automatic operation is deactivated or
faulty. Activate automatic operation
again or have the cause remedied by
a workshop in the event of a fault.
Automatic operation 3 153.
Electric parking brake fault
E illuminates yellow.
Illuminates
Electric parking brake has a fault
3 153.
9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Page 99 of 283

Instruments and controls97Flashes
The system is actively engaged.
Engine output may be reduced and
the vehicle may be braked
automatically to a small degree.
Electronic Stability Control and
Traction Control system 3 156.
Selective ride control 3 157.
Electronic Stability Control
and Traction Control system
off
9 illuminates yellow. The system has
been deactivated.
Electronic Stability Control and
Traction Control system 3 156.
Selective ride control 3 157.
Engine coolant temperature
o illuminates red.
Illuminates when the engine is
running
Stop, switch off engine.Caution
Coolant temperature too high.
Check coolant level immediately
3 215.
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.
Starting the engine 3 136.
Exhaust filter % or C illuminates yellow.
The exhaust filter requires cleaning.
Continue driving until the control
indicator extinguishes.
Illuminates temporarily
Start of saturation of the exhaust filter.
Start cleaning process as soon as
possible by driving at a vehicle speed
of at least 40 mph.
Illuminates constantlyIndication of a low additive level. Seek
the assistance of a workshop.
Exhaust filter 3 141.
AdBlue
Y flashes or illuminates yellow.
Illuminates yellow The remaining driving range is
between 370 miles and 1500 miles.
Flashes yellow The remaining driving range is
between 0 and 370 miles.
AdBlue level is low. Refill AdBlue soon to avoid prevention of the
engine start. Up to 10 l of AdBlue can
be added.
AdBlue 3 142.