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Instruments and controls103Caution
If engine coolant temperature is
too high, stop vehicle, switch off
engine. Danger to engine. Check
coolant level.
Service display
The engine oil life system informs
when to change the engine oil and
filter. Based on driving conditions, the interval at which an engine oil and
filter change will be indicated can vary
considerably.
When the system has calculated that
engine oil life has been diminished,
Change Engine Oil Soon appears in
the Driver Information Centre. Have engine oil and filter changed by a
workshop within one week or
300 miles, whichever occurs first.
This can be an additional engine oil
and filter change or part of a regular
service.
The remaining oil life duration menu
is displayed in the Driver Information
Centre 3 110.
Select Info, " or ? Menu by
pressing è on steering wheel. Press
å to select Oil Life page.
Remaining oil life duration is indicated
in percentage.
ResetOn Baselevel display press
SET/CLR on turn signal lever for
several seconds to reset. The ignition
must be switched on but engine not
running.
On Uplevel display press é on
steering wheel to open the subfolder. Select Reset and confirm by pressing
Å . The ignition must be switched on
but engine not running.
The system must be reset every time
the engine oil is changed to allow
proper functionality. Seek the
assistance of a workshop.
Next service
A message appears in the Driver
Information Centre, when
maintenance of the vehicle is
required. Have maintenance work
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104Instruments and controlscarried out by a workshop within one
week or 300 miles, whichever occurs first.
Service information 3 276.
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 96.
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 3 237.
Fuses 3 247.
Turn lights 3 134.
Seat belt reminder
Seat belt reminder on front seats
X for driver seat illuminates or flashes
red in the instrument cluster.k for front passenger seat illuminates
or flashes red in the roof console,
when seat is occupied.
Illuminates
After the ignition has been switched on until the seat belt has been
fastened.
Flashes
After having started the engine for a
maximum of 100 seconds until the
seat belt has been fastened.
Seat belt status on rear seats
X or > illuminates or flashes white (in
Baselevel Driver Information Centre)
or red (in Uplevel Driver Information Centre).
X illuminates
During 60 seconds after ignition has
been switched on: seat belt is
unfastened.
> illuminates
During 60 seconds after ignition has
been switched on: seat belt has been fastened. After this time, indicators of
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Instruments and controls105seats with fastened belts or
unchanged belt status show >
symbol.
X illuminates or flashes
Fastened seat belt has been
unfastened.
No indication
All rear seat belts are fastened before
ignition has been turned on.
Fastening the seat belt 3 57.
Airbag and belt tensioners v illuminates red.
When the ignition is switched on, the
control indicator illuminates for
approx. 4 seconds. If it does not
illuminate, does not go out after
4 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 56.
Airbag system 3 58.
Airbag deactivation
V illuminates yellow.
The front passenger airbag is
activated.
* illuminates yellow.
The front passenger airbag is
deactivated.
Airbag deactivation 3 63.
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.
Page 108 of 313

106Instruments and controlsThe cleaning process of the exhaust
filter is potentially not possible.
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.
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.
Electric parking brake
m illuminates or flashes red.
Illuminates
Electric parking brake is applied
3 170.
Flashes
Electric parking brake is not fully applied or released. Depress the
brake pedal and attempt to reset the system by first releasing then
applying the electric parking brake. If
m remains flashing, do not drive and
seek the assistance of a workshop.
Electric parking brake fault
j illuminates or flashes yellow.
Illuminates
Electric parking brake is operating
with degraded performance 3 170.
Flashes
Electric parking brake is in service
mode. Stop vehicle, apply and
release the electric parking brake to
reset.9 Warning
Have the cause of the fault
remedied immediately by a
workshop. Avoid parking on
inclines until the cause of the fault has been remedied.
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 3 169.
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Instruments and controls107Gear shifting
R or S with the number of a higher or
lower gear is indicated, when up- or
downshifting is recommended for fuel
saving reasons.
Following distance
E indicates the alert sensitivity
setting of the forward collision alert,
using filled distance bars.
Forward collision alert 3 189.
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 3 217.
Electronic Stability Control off
t illuminates yellow.
The system is deactivated.
Electronic Stability Controland 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 3 174.
Traction Control system 3 173.
Traction Control system off
k illuminates yellow.
The system is deactivated.
Engine coolant temperature W illuminates red.
Illuminates when the engine is
running
Stop, switch off engine.Caution
Coolant temperature too high.
Check coolant level immediately
3 232.
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108Instruments and controlsIf 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.
AdBlue Y flashes yellow.
AdBlue level is low. Refill AdBlue soon to avoid prevention of the
engine start.
AdBlue 3 161.
Tyre pressure monitoring system
w illuminates or flashes yellow.
Illuminates
Tyre pressure loss. Stop immediately
and check tyre pressure.Flashes
Fault in system or tyre without
pressure sensor mounted (e.g. spare
wheel). After 60 to 90 seconds the
control indicator illuminates
continuously. Consult a workshop.
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.
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.
Keep engine turned off and let the
vehicle be towed to a workshop.
Low fuel Y illuminates or flashes yellow.
Illuminates
Level in fuel tank is too low.
Page 111 of 313

Instruments and controls109Flashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Refuelling 3 222.
Catalytic converter 3 161.
Bleeding the diesel fuel system
3 236.
Immobiliser
d flashes yellow.
Fault in the immobiliser system. The
engine cannot be started.
Immobiliser 3 37.
Exterior light
8 illuminates green.
The exterior lights are on 3 128.
High beam C illuminates blue.
Illuminated when high beam is on or
during headlight flash 3 129.High beam assist
f illuminates green.
The high beam assist is activated
3 129.
LED headlights f illuminates or flashes yellow.
Illuminates
Fault in the system.
Seek the assistance of a workshop.
Flashes
System is switched to symmetrical
low beam.
Control indicator f flashes for approx.
4 seconds after the ignition is switched on as a reminder for
symmetrical headlight 3 131.
Front fog lights
> illuminates green.
The front fog lights are on 3 134.Rear fog light
ø illuminates yellow.
The rear fog light is on 3 134.
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 3 177.
Adaptive cruise control
C illuminates in the Driver
Information Centre.
C illuminates white
The system is on.
C illuminates green
Adaptive cruise control is active.
Page 112 of 313

110Instruments and controlsAdaptive cruise control 3 180.
Vehicle detected ahead
A illuminates green or yellow.
Illuminates green
A vehicle ahead is detected in the
same lane.
Illuminates yellow The distance to a preceding moving
vehicle gets too small or when
approaching another vehicle too
rapidly.
Adaptive cruise control 3 180.
Forward collision alert 3 189.
Pedestrian detection
7 illuminates yellow.
A pedestrian ahead is detected.
Speed limiter
L illuminates white or green.Illuminates white
The system is on.
Illuminates green
Speed limiter is active. Set speed is
indicated near L symbol.
Speed limiter 3 179.
Traffic sign assistant L displays detected traffic signs as
control indicator.
Traffic sign assistant 3 213.
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 display or Uplevel display.
Driver Information Centre indicates
depending on the equipment:
● overall and trip odometer
● vehicle information
● trip/fuel information
● driving economy information ● vehicle and warning messages
● audio and infotainment information
● phone information
● navigation information
● vehicle settings