Page 97 of 283

Instruments and controls95Airbag deactivation
ÓON illuminates yellow.
The front passenger airbag is
activated.
* OFF illuminates yellow.
The front passenger airbag is
deactivated.
Airbag deactivation 3 60.
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 98 of 283

96Instruments and controlsIlluminates together with other controlindicators, 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 3 217.
Electric parking brake
m illuminates or flashes red.
Illuminates
Electric parking brake is applied
3 154.
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 3 154.
Electric parking brake fault
E illuminates yellow.
Illuminates
Electric parking brake has a fault
3 154.
9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Page 99 of 283

Instruments and controls97Automatic 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 3 154.
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 afault in the ABS. The brake system
remains operational but without ABS
regulation.
Antilock brake system 3 153.
Gear shifting R with the number of a higher gear is
indicated, when upshifting is
recommended for fuel saving
reasons.
Lane departure warning ) illuminates green or flashes yellow.
Illuminates green
System is switched on and ready to
operate.
Flashes yellow
System recognises an unintended
lane change.
Lane departure warning 3 191.
Lane keep assist a illuminates green or yellow, or
flashes yellow.Illuminates green
The system is switched on and ready
to operate.
Illuminates yellow The system approaches a detected
lane marking without using the turn
light in that direction.
Flashes yellow
The system recognizes that the lane
is departed significantly.
Lane keep assist 3 192.
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.
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98Instruments and controlsFlashes
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 3 157.
Selective ride control 3 158.
Electronic Stability Control and Traction Control system
off
9 illuminates yellow. The system has
been deactivated.
Electronic Stability Control and
Traction Control system 3 157.
Selective ride control 3 158.
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
3 216.
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 3 137.
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 60 km/h.
Illuminates constantlyIndication of a low additive level. Seek
the assistance of a workshop.
Exhaust filter 3 142.
AdBlue Y flashes or illuminates yellow.
Illuminates yellow
The remaining driving range is
between 600 km and 2400 km.
Flashes yellow
The remaining driving range is
between 0 and 600 km.
AdBlue level is low. Refill AdBlue soon to avoid prevention of the
engine start. Up to 10 l of AdBlue can
be added.
AdBlue 3 143.
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Instruments and controls99Deflation 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 3 233.
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. Select neutral gear.
2. Move out of the flow of traffic as quickly as possible without
impeding other vehicles.
3. 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.
Keep engine turned off and let the
vehicle be towed to a workshop.
Low fuel o illuminates yellow.
Level in fuel tank is too low.
Refuelling 3 204.
Bleeding the diesel fuel system
3 219.
Charge cord connected
j illuminates red.
The vehicle plug of the charge cord is
still connected to the charge port. The
vehicle cannot be started.
Disconnect the vehicle plug from the
charge port and close the charge port door.
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 3 139.
Exterior light
8 illuminates green.
The exterior lights are on 3 113.
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100Instruments and controlsLow beam9 illuminates green.
Illuminated when low beam is on.
High beam
C illuminates blue.
Illuminates when high beam is on,
during headlight flash 3 114.
High beam assist
f illuminates green.
The high beam assist is activated
3 115.
LED headlights
C illuminates and a warning
message is displayed in the Driver
Information Centre.
Seek the assistance of a workshop.
Front fog lights
> illuminates green.
The front fog lights are on 3 119.Rear fog light
r illuminates yellow.
The rear fog light is on 3 119.
Rain sensor < illuminates green.
Illuminated when rain sensor position on wiper lever is selected.
Windscreen wiper and washer 3 81.
Cruise control m illuminates white or green.
Illuminates white The system is on.
Illuminates green
Cruise control is active. Set speed is
indicated in the Driver Information
Centre.
Cruise control 3 160.
Adaptive cruise control
m illuminates white or green.C illuminates in the Driver
Information Centre.
m illuminates white
The system is on.
m illuminates green
Adaptive cruise control is active.
When adaptive cruise control is on or active, C with the set speed is
indicated in the Driver Information
Centre.
Adaptive cruise control 3 165.
Vehicle detected ahead
A illuminates green.
Illuminates green
A vehicle ahead is detected in the
same lane.
Adaptive cruise control 3 165.
Forward collision alert 3 171.
Side blind spot alert B illuminates green.
The system is active 3 185.
Page 103 of 283

Instruments and controls101Active 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
3 173 and in case of a system fault,
seek the assistance of a workshop.
Note
m also illuminates if the seat belts
of the front passengers are not
fastened. In this case, active
emergency braking is deactivated.
Flashes
The system is actively engaged. Depending on the situation, the
vehicle may automatically brake
moderately or hard.
Forward collision alert 3 171.
Front pedestrian protection 3 176.Speed limiter
ß illuminates in the Driver
Information Centre when speed
limiter is active. Set speed is indicated
alongside ß symbol.
Speed limiter 3 163.
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.
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
● AdBlue information
● powerflow
● range autonomy
Selecting menus and functions The menus and functions can be
selected via the buttons on the
indicator lever.
Page 104 of 283

102Instruments 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 .
Additionally, some menus can be selected via the CHECK button.Press CHECK to switch between the
respective menus.
Vehicle messages 3 107.
Trip / fuel information menu
Differerent pages with combined
information can be selected.
Turn the adjuster wheel to select a
page.
Information page:
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 fuel level is low, a message appears on the display and the
control indicator o in the fuel gauge
illuminates 3 99.
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