Page 102 of 353

100Instruments and controls9Warning
Have the cause of the fault
remedied immediately by a
workshop.
Stop engine
C illuminates red.
Illuminates briefly when the ignition is
switched on.
Stop vehicle and switch off engine as soon as possible.
May illuminate in combination with
another control indicator or a
message in the Driver Information
Centre 3 105.
9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Brake system
R illuminates red.
Illuminates briefly when the ignition is
switched on.
R illuminates (possibly in
combination with C) if the brake fluid
level is too low 3 274 or brake system
has a fault.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Brake system 3 244.
Parking brake j illuminates red.
Control indicator j remains
illuminated when the parking brake is
applied and extinguishes when the
parking brake is released 3 245.
Antilock brake system (ABS)
u illuminates yellow.
Illuminates briefly when the ignition is switched on. The system is ready for
operation when u extinguishes.
Illuminates during driving when there
is a fault in the ABS. The brake
system remains operational but
without ABS regulation.
Antilock brake system 3 244.
Gear shifting
b or a illuminates in the Driver
Information Centre.
Illuminates when gearshifting is
recommended for fuel saving
reasons.
ECO mode 3 225.
Variable effort steering § illuminates red.
Illuminates briefly when the ignition is
switched on.
Illuminates during driving
The power steering system has a
fault.
May illuminate together with control
indicator C.
Page 104 of 353

102Instruments and controlsAdBlue level is low. Refill AdBlue as
soon as possible, to avoid prevention
of engine starts.
Illuminates together with control
indicator j to indicate a system
failure or as a warning that engine
starting may not be possible after a
certain distance. Seek the assistance
of a workshop immediately.
A corresponding message may
appear in the Driver Information
Centre 3 105.
AdBlue 3 234.
Tyre pressure monitoring system
w illuminates or flashes yellow.
Illuminates briefly when the ignition is
switched on.
Illuminates
Tyre pressure loss. Stop immediately
and check tyre pressure.
Control indicator w illuminates
together with C 3 100 and a
corresponding message appears inthe Driver Information Centre when a puncture or severely under-inflated
tyre is detected.
Flashes
Fault in system. After a delay the
control indicator illuminates
continuously. Consult a workshop.
Control indicator w illuminates
together with j 3 99 and a
corresponding message appears in
the Driver Information Centre when a
tyre without a pressure sensor is
mounted (e.g. spare wheel).
Tyre pressure monitoring system
3 292.
Engine oil pressure I illuminates red.
Illuminates briefly when the ignition is
switched on.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, set selector lever to N.
3. Move out of the flow of traffic as quickly as possible without
impeding other vehicles.
4. Switch off ignition.
Page 105 of 353

Instruments and controls1039Warning
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 engine oil level 3 271.
Keep engine turned off and let the
vehicle be towed to a workshop.
Low fuel Y illuminates yellow.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine is
running
Fuel level in the tank is too low. Refuel
immediately.
Never run the tank dry.
Refuelling 3 263.
Catalytic converter 3 234.
Bleeding the diesel fuel system
3 276.
Stop-start system \ illuminates when an Autostop is
inhibited when certain conditions are
not fulfilled.
Ï illuminates during an Autostop.
Ï flashes if the clutch is not released
sufficiently.
Stop-start system 3 228.
Exterior light
F illuminates green.
Illuminated when the side lights are
on 3 110.
Low beam
9 illuminates or flashes green.
Illuminates
Illuminated when the headlights are on 3 110.Flashes
Fault in the lighting.
High beam P illuminates blue.
Illuminated when high beam is on and during headlight flash 3 111.
High beam assist f illuminates when the high beam
assist is activated 3 111.
Front fog lights
> illuminates green.
Illuminated when the front fog lights
are on 3 113.
Rear fog light ø illuminates yellow.
Illuminated when the rear fog light is on 3 114.
Cruise control
U , m illuminate green.
Page 107 of 353

Instruments and controls105Displays
Driver Information Centre
The Driver Information Centre is
located in the instrument cluster.
Depending on vehicle configuration,
the following items appear by
pressing one of the buttons
repeatedly on end of wiper lever:
● outside temperature 3 87
● clock 3 88
● odometer, trip odometer 3 92
● fuel gauge 3 93
● AdBlue gauge 3 93
● engine coolant temperature gauge 3 93
● service display 3 94
● vehicle messages 3 106
● trip computer 3 108
● active emergency braking 3 253
Some of the displayed functions differ
when the vehicle is being driven or at a standstill. Some functions are only
available when the vehicle is being
driven.
Info Display The central display in the
Infotainment system displays the time
(and / or outside temperature,
depending on version) and
Infotainment system information.
Press X to switch the Infotainment
system on. Alternatively, it automatically switches on when the
ignition is switched on.
Depending on system, the
Infotainment system is operated via buttons and rotary knobs on the
Infotainment system fascia, the
steering column controls, the voice
recognition system (if available) or via the touchscreen display.
Page 109 of 353

Instruments and controls107Warning chimesIf several warnings appear at the
same time, only one warning chime will sound.
When starting the engine or whilst driving
The warning chime regarding
unfastened seat belts has priority
over any other warning chime.
● If seat belt is not fastened 3 56.
● If a certain speed is exceeded with the parking brake applied
3 245.
● If the parking assist detects an object or a fault is present
3 255.
● If the vehicle has manual transmission automated and the
clutch temperature is too high
3 241.
● If the vehicle speed briefly exceeds a set limit 3 91.
● During closing of the power sliding door 3 30.
● If the sliding door is open and the
parking brake is released 3 30.● During activation and
deactivation of alarm monitoring
of vehicle inclination 3 36.
● If the AdBlue level falls below a certain amount or a fault is
present 3 234.
● If the lane departure warning system detects an unintended
lane change and when the
system is activated 3 261.
When the vehicle is parked and /
or the driver's door is opened
● When the key is in the ignition switch.
● With exterior lights on 3 110.
● There is a fault with the power door lock system 3 28.
● If the vehicle has manual transmission automated 3 241,
the parking brake has not been
applied, neutral is not selected or the brake pedal has not been
depressed. A corresponding
message may also appear in the
Driver Information Centre 3 105.● If the sliding side door exterior
handle is in the open position
when unlocking the vehicle 3 30.
● If the parking brake is not applied
when the power sliding door
switch is pressed 3 30.
● If the power sliding door is locked
from the inside with the child lock
active 3 30.
● If the engine is in an Autostop but
not switched off. Stop-start
system 3 228.
Page 110 of 353

108Instruments and controlsTrip computerThe trip computer provides
information on driving data, which is
continually recorded and evaluated electronically.
Depending on vehicle, the following functions can be selected by pressing one of the buttons repeatedly on end
of wiper lever 3 105:
● odometer 3 92
● trip odometer 3 92
● average fuel consumption
● instantaneous fuel consumption
● fuel range
● distance travelled
● average speed
● digital speed
● engine coolent temperature 3 93
● clock 3 88
● distance before service 3 94
● tyre pressure reset 3 292
● settings● fault and information messages 3 106
● AdBlue range
Average fuel consumption The value is displayed after driving a
distance of 400 m.
Average fuel consumption is displayed, taking into consideration
the distance travelled and the fuel
used since the last reset.
Instantaneous fuel consumption
The value is displayed after reaching
a speed of 20 km/h.
Fuel range
The value is displayed after driving a distance of 400 m.
The fuel range is calculated from the
current contents of the fuel tank and
the average fuel consumption since
the last reset.
The fuel range will not display if control indicator Y is illuminated
3 103.Distance travelled
Displays the distance driven since the
last reset.
Average speed The value is displayed after driving a
distance of 400 m.
The average speed since the last
reset is displayed.
Interruptions in the journey with the
ignition off are not included in the
calculations.
Reset trip computer information
To reset the trip computer, select one of its functions then press and hold
one of the buttons on end of wiper
lever.
The following trip computer
information can be reset:
● average fuel consumption
● distance travelled
● average speed
The trip computer will reset
automatically when the maximum
value of any of the parameters is
exceeded.
Page 116 of 353
114LightingFront fog lights operate with engine
running and headlights switched on.
Rear fog light
Turn inner switch to position ø
and
release.
Rear fog light operates with engine
running and headlights switched on.
Reversing lights
The reversing lights come on when
the ignition is on and reverse gear is
selected.
Misted light covers
The inside of the light covers may mist up briefly in poor, wet and cold
weather conditions, in heavy rain or
after washing. The mist disappears
quickly by itself. To help, switch on the
headlights.Interior lighting
Interior lights
Courtesy lights illuminate when the vehicle is unlocked with the remote
control or the front doors are opened.
When the doors are closed, the
courtesy light extinguishes after a
delay or immediately after the ignition
is switched on.
Front courtesy lightcentral posi‐
tion:automatic switching
on and offpress c:onpress 0:off
Page 117 of 353
Lighting115Rear courtesy lightsCombi, Bus
Low level and overhead courtesy
lights are located in the rear
passenger compartment.
Press the button to switch the lights
on or off.
Reading lights 3 116.
Load compartment lighting Load compartment lighting can be setto illuminate when the side and rear
doors are opened, or switched on
constantly.
With the switch in its central position,
the light functions as a courtesy light.
● operated by pressing the left side
of the switch: on constantly
● operated by pressing the right side of the switch: off constantly
Operated by pressing the switch c:
● on constantly
● on when the doors are unlocked and opened
● off constantly
When the doors are closed, the courtesy light extinguishes after a
delay or immediately after the ignition
is switched on.