102Instruments and controlsFuel gauge
Displays the level in the fuel tank.
Control indicator o illuminates if the
level in the tank 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.
Engine coolant temperature
gauge
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 the message Oil level
correct .
If engine oil level is low, I flashes
and Oil level incorrect is indicated,
accompanied by the H indicator.
Confirm engine oil level by using the oil dipstick and top up engine oil
respectively.
Engine oil 3 213.
A fault of measurement is indicated
by the message Oil level
measurement invalid . Check engine
oil level manually by using the
dipstick.
Instruments and controls103Service displayThe 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
seven seconds after switching on the ignition.
If no service is required for the next
3000 km or more no service
information appears in the display.
If service is required within the next
3000 km, the remaining distance or
time duration is indicated for several
seconds. Simultaneously symbol <
lights up permanently as reminder.
If service is required in less than 1000
km, < flashes and then lights up
permanently. Remaining distance or
time duration is indicated for several
seconds.Overdued service is indicated by a
message in the Driver Information
Centre which indicates the overdued
distance. < flashes and then lights up
permanently until service is executed.
Reset of service interval After each service, the service
indicator must be reset to ensure
proper functionality. It is
recommended to seek the assistance
of a workshop.
If service is executed by yourself,
operate as following:
● switch off ignition
● press and hold button M or
CHECK
● switch on ignition, the distance indication begins a countdown
● when the display indicates =0,
release the button
< disappearsRetrieving service information
To retrieve the status of the service
information at any time press button
M . The service information is
displayed for a few seconds.
104Instruments and controls
Depending on version, press button
CHECK to retrieve the status of the
service information at any time.
Service information 3 250.
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 afunctionality 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 98.
Turn lights
O illuminates or flashes green.
Illuminates briefly The parking lights are switched on.
Flashes
Turn lights or the hazard warning
flashers are activated.
Rapid flashing: failure of a turn light or associated fuse, failure of turn light on
trailer.
Bulb replacement 3 218.
Turn lights 3 125.
Seat belt reminder
X illuminates or flashes in the
instrument cluster. Additionally, there
is an indication in the roof console.
The big symbols refer to the seat belts of the front seats, the small symbols
refer to the second row rear seats.
● When the ignition is switched on,
X in the instrument cluster and
the symbols in the roof console
come on for a short time. For the
front seats, X in the instrument
Instruments and controls105cluster and the symbols in the
roof console illuminate until seat
belt is fastened.
● When driving faster than 20 km/h
and a seat belt is unfastened, thesymbol in the roof console for therespective seat flashes and a
chime is audible. For the second
row rear seats, this only applies if
at least one rear seat belt was
previously fastened.
Aditionally, X illuminates in the
instrument cluster.
After two minutes the chime goes
off and X in the roof console
illuminates constantly until the
seat belt of the respective seat is
fastened.
Airbag and belt tensioners
v illuminates red.
When the ignition is switched on, the control indicator illuminates for
approx. four seconds. If it does not
illuminate, does not extinguish after
four seconds or illuminates whilst
driving, there is a fault in the airbag
system. Seek the assistance of aworkshop. The airbags and belt
pretensioners may fail to trigger in the event of an accident.
Deployment of the belt pretensioners
or airbags is indicated by continuous
illumination of v.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Belt pretensioners 3 56.
Airbag system 3 59.
Airbag deactivation
Ó ON illuminates yellow.
The front passenger airbag is
activated.
* OFF illuminates yellow.
The front passenger airbag is
deactivated.
Airbag deactivation 3 64.
Charging system
p illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
106Instruments and controlsIlluminates when the engine is
running
Stop, switch off engine. Vehiclebattery 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 H 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.Illuminates 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.
Brake and clutch system
R illuminates red.
The brake and clutch fluid level is too
low.
Instruments and controls1079Warning
Stop. Do not continue your
journey. Consult a workshop.
Parking brake
m illuminates red.
Illuminates when the manual parking
brake is applied and ignition is
switched on 3 161.
Electric parking brake
m illuminates or flashes red.
Illuminates
Electric parking brake is applied
3 161.
Flashes
Electric parking brake is not applied
automatically. The application or the
release is 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 3 161.
Electric parking brake fault E illuminates yellow.
Illuminates
Electric parking brake has a fault
3 161.
9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Antilock brake system
(ABS)
u illuminates yellow.
Illuminates for a few seconds after the ignition is switched on. The system is
ready for operation when the control
indicator extinguishes.
If the control indicator does not
extinguish after a few seconds, or if it illuminates while driving, there is a
fault in the ABS. The brake system
remains operational but without ABS
regulation.
Antilock brake system 3 160.
Gear shifting R with the number of a higher gear is
indicated, when upshifting is
recommended for fuel saving
reasons.
Descent control systemò illuminates or flashes green.
Instruments and controls109Illuminates temporarilyStart of saturation of the exhaust filter.
Start cleaning process as soon as
possible by driving at a vehicle speed of at least 60 km/h.
Illuminates constantly Indication of a low additive level. Seek
the assistance of a workshop.
Exhaust filter 3 152.
AdBlue Y flashes or illuminates yellow.
Illuminates yellow
The remaining driving range is
between 800 km and 2400 km.
Flashes yellow
The remaining driving range is
between 0 km and 800 km.
AdBlue level is low. Refill AdBlue soon to avoid prevention of the
engine start.
AdBlue 3 153.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.
Deflation detection system 3 231.
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 engine oil level before seeking
the assistance of a workshop 3 213.
Low fuel
o illuminates yellow.
Level in fuel tank is too low.
Refuelling 3 204.
114Instruments and controlsWhen the level in the fuel tank is low,
a message appears on the display
and the control indicator o in the fuel
gauge illuminates 3 109.
Instantaneous Fuel Consumption
Display of the instantaneous
consumption.
Trip 1 page:
Average speed
Display of average speed. The
measurement can be reset at any
time.
Average fuel consumption
Display of average consumption. The measurement can be reset at any
time and starts with a default value.
Distance travelled
Displays the current distance for trip
1 since the reset.
The values of trip 1 page can be reset
by pressing SET/CLR for a few
seconds.
Trip 2 page:
Average speedDisplay of average speed. The
measurement can be reset at any
time.
Average fuel consumption
Display of average consumption. The measurement can be reset at any
time and starts with a default value.
Distance travelled
Displays the current distance for trip
2 since a certain reset.
The values of trip 2 page can be reset
by pressing SET/CLR for a few
seconds.
Digital speed page
Digital display of the instantaneous
speed.
Stop and Start time counter
A time counter calculates the time
spent in STOP mode during a
journey. It resets to zero every time
the ignition is switched on.
Compass page
Displays the geographic direction of
driving.Blank page
No trip/fuel information is displayed.
AdBlue Press M or CHECK repeatedly until
the AdBlue menu is shown.
AdBlue range
Indicates an estimate of the AdBlue
level. A message indicates whether
the level is sufficient or low.
3 153.
Info Display The Info Display is located in the
instrument panel near the instrument cluster.
Depending on the vehicle
configuration the vehicle has a
● Graphic Info Display
or
● Colour Info Display with
touchscreen functionality
The Info Displays can indicate: ● time 3 94
● outside temperature 3 93