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Instruments and controls87Overdued service is indicated by a
message in the Driver Information
Centre which indicates the overdued
distance. F 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. Symbol F
disappearsRetrieving 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 3 225.
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 79.
Turn lights
O illuminates or flashes green.
Illuminates briefly The parking lights are switched on.
Flashes
A turn light 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 3 192, Fuses
3 200.
Turn lights 3 112.
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.
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88Instruments and controls
●When the ignition is switched on,
X 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 running up, X 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 X illuminates constantly
until the seat belt of the
respective seat has been
fastened or if any passenger has
unfastened the seat belt.
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 go out after
four 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 v.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Belt pretensioners 3 47.
Airbag system 3 50.
Airbag deactivation
Ó ON illuminates yellow.
The front passenger airbag is
activated.
* OFF illuminates yellow.
The front passenger airbag is
deactivated.
Airbag deactivation 3 55.
Charging system
p illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
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Instruments and controls89Illuminates 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
The engine management system has a 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, when manual parking brake is
not applied 3 190.
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90Instruments and controls9Warning
Stop. Do not continue your
journey. Consult a workshop.
Illuminates when the manual parking
brake is applied and ignition is
switched on 3 147.
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 go out 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 3 146.
Gear shifting
R with the number of a higher gear is
indicated, when upshifting is
recommended for fuel saving
reasons.
Lane departure warning
) flashes yellow when the system
recognises an unintended lane
change.
Lane departure warning 3 173.
Electronic Stability Control
and Traction Control system
b 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.
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 3 148.
Electronic Stability Control and Traction Control system off
n illuminates yellow.
The systems are deactivated.
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Instruments and controls91Engine coolant temperature
o illuminates red.
Illuminates when the engine is
running
Stop, switch off engine.Caution
Coolant temperature too high.
Check coolant level immediately
3 189.
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 constantlyIndication of a low additive level. Seek
the assistance of a workshop.
Diesel particle filter 3 138.
AdBlue Y flashes or illuminates yellow.
Illuminates yellow
The remaining driving range is
between 370 mph and 1500 mph.
Have the AdBlue® topped-up as soon as possible by a qualified workshop.
You can add up to 10 l of AdBlue® to
its tank.Flashes yellow
The remaining driving range is
between 0 and 370 mph.
Top-up the AdBlue® as soon as
possible to avoid a breakdown by a
qualified workshop. You can add up
to 10 l 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.
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92Instruments and controlsIlluminates 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.
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
assistance of a workshop 3 188.
Low fuel
o illuminates yellow.
Level in fuel tank is too low.
Refuelling 3 177.
Bleeding the diesel fuel system
3 191.
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 3 135.
Exterior light
8 illuminates green.
The exterior lights are on 3 108.High beam
C illuminates blue.
Illuminated when high beam is on or
during headlight flash 3 109.
High beam assist
f illuminates green.
The high beam assist is activated,
see Adaptive forward lighting 3 110.
Low beam 9 illuminates green.
Illuminated when low beam is on.
Fog light
> illuminates green.
The front fog lights are on 3 112.
Rear fog light ø illuminates yellow.
The rear fog light is on 3 113.
Rain sensor < illuminates green.
Page 95 of 259

Instruments and controls93Illuminated 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.
Cruise control 3 149.
Side blind spot alert
B illuminates continously green in the
instrument cluster.
The system is active 3 167.
Active emergency braking
m illuminates or flashes yellow.
Illuminates
The system has been deactivated or
a fault has been detected.Additionally, a warning message is
displayed in the Driver Information
Centre.
Check the reason of the deactivation
3 156 and in case of a system fault,
seek the assistance of a workshop.
Flashes
The system is actively engaged.
Depending on the situation, the
vehicle may automatically brake
moderately or hard.
Forward collision alert 3 154.
Front pedestrian protection 3 158.
Speed limiter
ß illuminates in the Driver
Information Centre.
Speed limiter 3 152.
Door open h illuminates red.
A door or the tailgate is open.Displays
Driver Information Centre
The Driver Information Centre is
located in the instrument cluster.
Depending on the version and the
instrument cluster, the Driver
Information Centre is available as
Baselevel or Midlevel display.
Driver Information Centre indicates: ● overall and trip odometer
● digital speed indication
● trip / fuel information menu
● gear shift indication
● service information
● vehicle and warning messages
● driver assistance messages
● pop-up messages
Selecting menus and functions The menus and functions can be
selected via the buttons on the left
steering wheel stalk.
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94Instruments and controls
Turn the adjuster wheel to select a
page in the trip / fuel information
menu.
Press SET/CLR to confirm or reset a
function.
Vehicle and service messages are
popped up in the Driver Information
Centre if required. Scroll messages
by turning the adjuster wheel.
Confirm messages by pressing
SET/CLR .
Vehicle messages 3 99.
Trip / fuel information menu,
Baselevel display
Turn the adjuster wheel to select a
page:
Trip odometer
The recorded distance since the reset.
Press L for 2 seconds to reset trip
odometer.
Average fuel consumption
Display of average consumption. The measurement can be reset at any
time and starts with a default value.
To reset, press SET/CLR for a few
seconds.
Average speed
Display of average speed. The
measurement can be reset at any
time.
To reset, press SET/CLR for a few
seconds.
Fuel range
Range is calculated from current fuel
level and current consumption. The
display shows average values.
After refuelling, the range is updated
automatically after a brief delay.
When 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 92.
Instantaneous Fuel Consumption
Display of the instantaneous
consumption.
Digital speed
Digital display of the instantaneous
speed.