Page 113 of 287

Instruments and controls111Airbag and belt tensionersd illuminates yellow.
When the ignition is switched on, the
control indicator illuminates for
several seconds. If it does not
illuminate, does not extinguish after
several 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 57.
Airbag system 3 61.
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 65.
Charging system
S 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
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.
Page 114 of 287

112Instruments and controlsFlashes 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 or SERVICE 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
STOP 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
W illuminates yellow.
Illuminates together with STOP.
A major engine fault has been
detected.
Stop engine as soon as possible and seek the assistance of a workshop.
Brake system
h illuminates red.
The brake fluid level is too low.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Parking brake
h illuminates red.
Illuminates when the manual parking
brake is applied and ignition is
switched on 3 170.
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 i 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 butwithout ABS regulation.
If i illuminates together with h, a
fault with the electronic brake force distribution has been detected.
Stop engine immediately and seek
the assistance of a workshop.
Antilock brake system 3 169.
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Instruments and controls113Gear shifting
, with the number of a higher gear
is indicated, when upshifting is
recommended for fuel saving
reasons.
On some vehicles with manual
transmission, the system suggests to shift into neutral position, when the
activation of the stop-start system is
recommended.
Lane departure warning Q flashes green.
System recognises an unintended
lane change.
Lane departure warning 3 200.
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.
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 3 171.
Selective ride control 3 172.
Engine coolant temperature
V or 2 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
z illuminates yellow.
Preheating of diesel engine is
activated. Only activates when
outside temperature is low. Start the
engine when control indicator
extinguishes.
Exhaust filter
+ or C illuminates yellow,
accompanied by a message in the
Driver Information Centre and a
chime.
The exhaust filter requires cleaning.
Continue driving until the control
indicator extinguishes.
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114Instruments and controlsIlluminates 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 constantlyIndication of a low additive level. Seek
the assistance of a workshop.
Exhaust filter 3 161.
AdBlue
B flashes or illuminates yellow.
Illuminates yellow
The remaining driving range is
between 100 km and 2400 km.
Flashes yellow
The remaining driving range is
between 0 km and 100 km.
AdBlue level is low. Refill AdBlue
soon to avoid prevention of the
engine start.
AdBlue 3 162.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 3 238.
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.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 r or 2 illuminates yellow.
Level in fuel tank is too low.
Refuelling 3 204.
Bleeding the diesel fuel system
3 219.
Page 117 of 287

Instruments and controls115Autostop
ñ 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 3 157.
Exterior light F illuminates green.
The exterior lights are on 3 130.
Low beam
D illuminates green.
Illuminated when low beam is on.
High beam
A illuminates blue.
Illuminates when high beam is on or during headlight flash 3 131.High beam assist
B illuminates green.
The high beam assist is activated
3 131.
LED headlights
C illuminates and a warning
message is displayed in the Driver
Information Centre.
Seek the assistance of a workshop.
Front fog lights
G illuminates green.
The front fog lights are on 3 134.
Rear fog light
H illuminates yellow.
The rear fog light is on 3 134.
Rain sensor
y illuminates green.
Illuminated when rain sensor position on wiper lever is selected.Cruise control
v illuminates in the Driver
Information Centre when speed
limiter is active. Set speed is indicated
in the Driver Information Centre.
Cruise control 3 174.
Adaptive cruise control Q illuminates in the Driver
Information Centre when adaptive cruise control is active.
Adaptive cruise control 3 180.
Vehicle detected ahead
Depending on version, V or I is
displayed in the Driver Information Centre.
Adaptive cruise control
V is displayed in the Driver
Information Centre when a vehicle ahead detected in the same lane.
Adaptive cruise control 3 180.
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116Instruments and controlsForward collision alertI is displayed in the Driver
Information Centre when the distance
to the vehicle ahead gets to small.
Forward collision alert 3 187.
Side blind spot alert
T illuminates green.
The system is active 3 194.
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
3 188 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 3 187.
Front pedestrian protection 3 191.
Active emergency braking 3 188.
Speed limiter
5 illuminates in the Driver
Information Centre when speed
limiter is active. Set speed is indicated
alongside 5 symbol.
Speed limiter 3 177.
Door open O illuminates red.
A door, the tailgate or the tailgate
window is open.
If the vehicle is equipped with hinged
doors, O is not illuminated when it 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
Selecting menus and functions There are several ways to toggle
between the respective menus and
functions:
Page 119 of 287
Instruments and controls117
Press button.
Move thumb wheel upwards or
downwards on the steering wheel.
Baselevel instrument cluster
Press F .
Midlevel instrument clusterPress SET 000 .Uplevel instrument cluster
Press 000.
Vehicle and service messages are
popped up in the Driver Information
Centre, if required. Scroll messages
by using the above mentioned
controls or buttons.
Vehicle messages 3 123.
Page 120 of 287

118Instruments and controlsTrip / fuel information menu,
baselevel display
Differerent pages with combined
information can be selected.
Select the required page:
Trip pages:
Trip odometer
The recorded distance since the
reset.
To reset, press F for a few
seconds.
Average fuel consumption
Display of average consumption. The measurement can be reset at any
time and starts with a default value.
To reset, press F for a few
seconds.
Average speed
Display of average speed. The
measurement can be reset at any
time.
To reset, press F for a few
seconds.
Information pages:
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 2 in the fuel gauge
illuminates 3 114.
Instantaneous fuel consumption
Display of the instantaneous
consumption.
Digital speedDigital display of the instantaneous
speed.
Stop and Start time counter
A time counter adds up the time spent in Autostop during a journey.
It resets to zero everytime the ignition is switched on.
Compass
Displays the geographic direction of
driving.
AdBlue range
Press F repeatedly until the
AdBlue menu is shown.
Indicates an estimate of the AdBlue
level. A message indicates whether
the level is sufficient or low.
AdBlue 3 162.