Page 65 of 227
Instruments and controls63Tachometer
Displays the engine speed.
Drive in a low engine speed range for each gear as much as possible.
A red marker indicates the beginning
of the warning zone of excessive revolutions. For Diesel engines, thewarning zone starts at 5000
revolutions per minute. For petrol
engines, the warning zone starts at
6500 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
Control indicator 2 illuminates if the
fuel level is low.
Never run the fuel tank dry.
The top-up quantity may be less than
the specified fuel tank capacity, due
to the remaining fuel in the tank.
Engine coolant temperature
gauge
Displays the coolant temperature.
50:engine operating temperature
not yet reached90:normal operating temperature130:temperature too high
Control indicator 2 illuminates if
coolant temperature is too high. Switch off engine immediately.
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64Instruments and controlsCaution
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 oil level is low, T 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 3 163.
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 3 196.
A required service due is displayed in
the Driver Information Centre for several 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 to
the next service due, the distance
travelled since the last service due or the time period that remains to the
next service due is indicated for
several seconds. Simultaneously
symbol C illuminates temporary as
reminder.
If service is required in less than
600 miles, the remaining distance to
the next service due, the distance
travelled since the last service due orthe time period that remains to the
next service due is indicated for
several seconds. Simultaneously
C illuminates permanently as
reminder.
Overdued service is indicated by a
message in the Driver Information
Centre which indicates the overdued
distance. C flashes and then
illuminates 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
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Instruments and controls65
● press and hold SET / CLR
● switch on ignition, the distance indication begins a countdown
● when the display indicates =0,
release SET / CLR
The symbol C disappears.
Retrieving service information The status of the service information
can be retrieved at any time via the
Info Display. Press Check in the
vehicle settings menu. The service
information is displayed for a few
seconds.
Info Display 3 74.
Service information 3 196.
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 61.
Turn lights
1 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 3 169.
Turn lights 3 84.
Seat belt reminder
Seat belt reminder on all seats
a illuminates or flashes red in the
instrument cluster together with the
indication in the roof console for each
seat belt.
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66Instruments and controls
●When the ignition is switched on,
a in the instrument cluster and
the symbol for the respective
seat in the roof console comes
on, if the seat belt of any
occupied seat has not been
fastened.
● After driving off, a in the
instrument cluster and the
symbol for the respective seat in
the roof console flashes for a
certain time together with a
chime. After a certain time of
driving a illuminates constantly
until the seat belt of the
respective seat has been
fastened or if any passenger has
unfastened the seat belt.
Seat belts 3 31.
Airbag and belt tensioners d illuminates red.
When the ignition is switched on, the
control indicator illuminates for some
seconds. If it does not illuminate,
does not extinguish after some
seconds or illuminates whilst driving,
there is a fault in the airbag system.
Seek the assistance of a workshop.
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 d.9Warning
Have the cause of the fault
remedied immediately by a
workshop.
Belt pretensioners 3 31.
Airbag system 3 33.
Airbag deactivation
H ON illuminates yellow.
The front passenger airbag is
activated.
g OFF illuminates yellow.
The front passenger airbag is
deactivated.
Airbag deactivation 3 38.
Charging system
S illuminates red.
Page 69 of 227

Instruments and controls67Illuminates 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 W 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 catalyticconverter 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
+ 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 X 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 systemh illuminates red.
The brake and clutch fluid level is too
low.
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68Instruments and controls9Warning
Stop. Do not continue your
journey. Consult a workshop.
Brake fluid 3 165.
Parking brake j illuminates red.
Illuminates when the parking brake is
applied and ignition is switched on
3 114.
Electric parking brake j illuminates or flashes red.
Illuminates
Electric parking brake is applied
3 114.
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.
Electric parking brake fault
k illuminates yellow.
Illuminates
Electric parking brake has a fault
3 114.
9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Automatic operation of
electric parking brake off
o illuminates yellow.
Illuminates Automatic operation is deactivated or
faulty. In the event of a fault, o
illuminates together with other control
indicators or it is accompanied by a
corresponding message in the Driver
Information Centre.
Activate automatic operation again or have the cause remedied by a
workshop in the event of a fault.
Automatic operation 3 114.
Antilock brake system (ABS)
i 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 3 114.
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Instruments and controls69Gear shifting
Y with the number of a higher gear
is indicated, when upshifting is
recommended for fuel saving
reasons.
On vehicles with automatic
transmission, the system is only
active in manual mode.
Manual mode 3 111.
Lane keep assist
L illuminates or flashes yellow.
Illuminates yellow The system is deactivated or a fault
has been detected.
Flashes yellow The system is correcting the
unintended lane change.
Lane keep assist 3 151.
Electronic Stability Control
and Traction Control system
J illuminates or flashes yellow.Illuminates
A fault in the system is present.
Continued driving is possible. Driving stability, however, may deteriorate
depending on road surface
conditions.
Have the cause of the fault remedied
by a workshop.
After reconnecting the vehicle
battery, (e.g. after maintenance
work), J is illuminated for several
seconds. After this time period, J
extinguishes. This is a normal
procedure, the vehicle does not need
any assistance.
Flashes
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 3 117.
Engine coolant temperature 2 illuminates red.Illuminates when the engine is
running
Stop, switch off engine.Caution
Coolant temperature too high.
Check coolant level immediately
3 164.
If there is sufficient coolant, consult a workshop.
Preheating
z 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 3 100.
Exhaust filter t illuminates yellow.
The exhaust filter requires cleaning.
Page 72 of 227

70Instruments and controlsContinue 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 3 105.
AdBlue
u flashes or illuminates yellow.
Illuminates yellow The remaining driving range is
between 500 miles and 1500 miles.
Flashes yellow The remaining driving range is
between 0 and 500 miles.AdBlue level is low. Refill AdBlue
soon to avoid prevention of the
engine start. Up to 13 l of AdBlue can
be added.
AdBlue 3 106.
Deflation detection system q 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 3 179.
Engine oil pressure
T 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. Select neutral gear.
2. Move out of the flow of traffic as quickly as possible without
impeding other vehicles.
3. Switch off ignition.