
Instruments and controls73
Connecting electrical accessories
while the engine is off will discharge
the vehicle battery.
Do not exceed the maximum power
consumption of 120 watts.
With ignition off the power outlet is
deactivated.
Additionally the power outlet may be
deactivated in case of low battery
voltage.
Electrical accessories that are
connected must comply with the
electromagnetic compatibility
requirements laid down in
DIN VDE 40 839.
Caution
Do not connect any current- delivering accessories, e.g.
electrical charging devices or
batteries.
Do not damage the outlet by using unsuitable plugs.
Cigarette lighter
Press in cigarette lighter. It switches
off automatically once the element is
glowing. Pull out lighter.
AshtraysCaution
To be used only for ash and not for combustible rubbish.
Portable ashtray
Ashtray container for mobile use in
the vehicle. To use, open cover.

Instruments and controls75
To reset, with the trip odometer
displayed, press and hold button for a few seconds with the ignition on. The
display will flash and the value will
reset to zero.
Tachograph 3 88.
Tachometer
Displays the engine speed.
Drive in a low engine speed range for each gear as much as possible.
Caution
If the needle is in the red warning
zone, the maximum permitted
engine speed is exceeded. Engine at risk.
Fuel gauge
Displays fuel level in the tank.
Control indicator Y illuminates if the
level in the tank is low.Refuel
immediately 3 133.
Never run the tank dry.Diesel fuel
system, bleeding 3 146.
Because of the fuel remaining in the
tank, the top-up quantity may be less
than the specified tank capacity.
Engine coolant
temperature gauge
Displays the coolant temperature.
left area=engine operating
temperature not
yet reachedcentral area=normal operating
temperatureright area=temperature too
high

76Instruments and controls
Control indicator W illuminates if the
temperature is too high 3 80,
3 82.Caution
If engine coolant temperature is
too high, stop vehicle, switch off
engine. Danger to engine. Check
coolant level.
For physical reasons, the coolant
temperature gauge shows the coolant temperature only if the coolant level is adequate.
Engine oil level monitor
The engine oil level monitor is correct
only if the vehicle is parked on a level
surface with a cold engine.
If the engine oil level is correct when
the ignition is switched on OIL LEVEL
CORRECT appears briefly in the
Driver Information Centre.
If the engine oil is above the minimum level, press the trip computer button
on the end of the wiper lever within
30 seconds of switching on the
ignition. The message OIL LEVEL is
displayed in combination with the squares that correspond to the oil
level.
As the oil level diminishes, the
squares in the display are replaced
with dashes.▢▢▢▢▢▢=Maximum level▢▢▢- - -=Intermediate level- - - - - -=Minimum level
If the minimum engine oil level is
reached TOP-UP OIL LEVEL is
displayed in combination with control
indicator A after the ignition is
switched on for 30 seconds. Check
and top up engine oil 3 140.
To exit the oil level monitor display,
press either trip computer button.
Trip computer 3 86.
Service display
When the ignition is switched on, the
remaining distance before the next
service is due may be shown briefly in the Driver Information Centre. Based
on driving conditions, the interval at
which a service will be indicated can
vary considerably.
When the remaining distance before
the next service is less than
1800 miles or 2 months, SERVICE
IN appears in the Driver Information
Centre.
When the distance reaches 0 miles or
the service date is due, control
indicators o and A illuminate in the
instrument cluster and SERVICE
DUE appears in the Driver
Information Centre.
The vehicle needs a service. Seek the assistance of a workshop.
Resetting the service display After a service, the service displaymust be reset: if available, select the
distance before service display in the
Driver Information Centre, then press and hold button on end of wiper lever
for approx. 10 seconds until the
distance before service is displayed
continuously.
Trip computer 3 86.
Driver Information Centre 3 84.

80Instruments and controlsCharging system
p illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine isrunning
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 briefly when the ignition is switched on.
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.If Z illuminates in combination with
A , stop vehicle and switch off engine
as soon as possible.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
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 immediate assistance of a
workshop.
Service vehicle soon A illuminates yellow.
Illuminates briefly when the ignition is switched on.
The vehicle needs a service.
May illuminate in combination with
another control indicator or a
message in the Driver Information
Centre 3 84.
Illuminates if cleaning of the diesel
particle filter is required and
automatic cleaning does not occur
3 116.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Service display
Control indicator o also illuminates in
the Driver Information Centre when
the remaining distance before the
next service reaches 0 miles or the
service date is due.
The message SERVICE DUE also
appears in the Driver Information
Centre.
Service display 3 76.
Stop engine
C illuminates red.
Illuminates briefly when the ignition is switched on.

Instruments and controls81
If C illuminates (possibly in
combination with W and/or R), stop
vehicle and switch off engine as soon
as possible.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Depending on the type of fault, a
warning message may also appear in the Driver Information Centre 3 84.
Brake system R illuminates red.
Illuminates briefly when the ignition is
switched on.
Control indicator R remains
illuminated after the ignition is
switched on if the parking brake is
applied 3 122.
When the parking brake is released,
R illuminates (possibly in
combination with C) if the brake fluid
level is too low 3 144.
9
Warning
Stop. Do not continue your
journey. Consult a workshop.
Brake system 3 121.
Antilock brake system
(ABS) u illuminates yellow.
Illuminates briefly when the ignition is
switched on. The system is ready for
operation when u extinguishes.
If control indicators u and A
illuminate with the messages CHECK
ABS and CHECK ESP in the Driver
Information Centre 3 84, there is a
fault in the ABS. The brake system
remains operational but without ABS
regulation.
If control indicators u, A , R and
C illuminate, the ABS and ESP are
deactivated and the message
BRAKING FAULT is displayed. Seek
the assistance of a workshop.
Antilock brake system 3 121.
Upshift
k or j illuminates yellow.
Illuminates when gearshifting is
recommended for fuel saving
reasons.
ECO mode 3 108.
Electronic Stability
Program
b flashes or illuminates yellow.
Illuminates for a few seconds when
the ignition is switched on.
Flashing during driving The system is actively engaged.
Engine output may be reduced and the vehicle may be braked
automatically to a small degree
3 125.
Illuminates during driving The system is unavailable.
May illuminate together with control
indicator A 3 80. A corresponding
message also appears in the Driver
Information Centre 3 84.

82Instruments and controls
ESP®Plus
3 125, Traction Control
system 3 124.
Electronic Stability
Program off Ø illuminates yellow.
If ESP ®Plus
has been deactivated with
button Ø on the instrument panel,
control indicator Ø illuminates and a
corresponding message appears in
the Driver Information Centre 3 84.
ESP® Plus
3 125, Traction Control
system 3 124.
Engine coolant
temperature
W illuminates red.
Illuminates when the engine is running
If W illuminates (possibly in
combination with control indicator
C ), stop vehicle and switch off
engine.Caution
Coolant temperature too high.
Check coolant level 3 142.
If there is sufficient coolant, consult a workshop.
Preheating
! illuminates yellow.
Preheating is activated.Only
activates when outside temperature is low.
Tyre pressure monitoring
system
w illuminates or flashes.
Illuminates Tyre pressure loss. Stop immediately
and check tyre pressure.
Control indicator w illuminates
together with C 3 80 and a
corresponding message appears in
the 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 A 3 80 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
3 160.
Engine oil pressure
I illuminates red.
Illuminates briefly when the ignition is switched on.

Instruments and controls83
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.
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 isstationary, otherwise the steeringwheel lock could engage
unexpectedly.
Check oil level before seeking
assistance of a workshop 3 140.
Low fuel
Y illuminates yellow.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine isrunning
Fuel level in the tank is too low. Refuel immediately.
Never run the tank dry.
Refuelling 3 133.
Catalytic converter 3 116.
Bleeding the diesel fuel system
3 146.
Stop-start system
\
Illuminates when an Autostop is
inhibited when certain conditions are
not fulfilled.
Ï illuminates or flashes yellow /
green.
Illuminates Illuminates green during an Autostop.
If Ï illuminates yellow there is a fault
in the stop-start system. Seek the
assistance of a workshop.
Flashes
Flashes green during an automatic
restart.
Stop-start system 3 111.
Exterior light 9 illuminates green.
Illuminated when the exterior lights
are on 3 89.

84Instruments and controlsHigh beamP illuminates blue.
Illuminated when high beam is on and
during headlight flash 3 90.
Fog light > illuminates green.
Illuminated when the front fog lights are on 3 92.
Rear fog light
r illuminates yellow.
Illuminated when the rear fog light is
on 3 92.
Cruise control
m , U illuminates green or yellow.
m illuminates green when a certain
speed is stored.
U illuminates green when the system
is on.
Speed limiter
U illuminates yellow.U
illuminates yellow when the
system is on.
Cruise control, Speed limiter 3 126.
Tachograph & illuminates when there is a fault
3 88.
Door open y illuminates red.
Illuminates with the ignition switched
on when a door or the tailgate is open.
Vehicles with manual transmission
automated; control indicator
illuminates in transmission display indicating relevant open door.Information displays
Driver Information Centre The Driver Information Centre (DIC)
is located in the instrument cluster
below the speedometer.
Depending on vehicle configuration,
the following items appear in the
display:
■ Outside temperature 3 71
■ Clock 3 72
■ Odometer, trip odometer 3 74
■ Engine oil level monitor 3 76
■ Service display 3 76