Page 81 of 217
Instruments and controls79Warning lights, gauges
and indicators
Speedometer
Indicates vehicle speed.
Odometer
The bottom line displays the recorded distance.
Trip odometer The top line displays the recorded
distance since the last reset.
To reset, press the SET/CLR button
on the turn signal lever for a few
seconds 3 88.
Trip odometer counts up to a distance
of 2000 miles then resets to 0.
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.
Page 82 of 217
80Instruments and controlsFuel gauge
Displays the fuel level or gas level in
the tank depending on the operation
mode.
Control indicator i illuminates if the
level in the tank is low. Refuel
immediately if it flashes.
Never run the tank dry.
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 highCaution
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 lets you
know 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.
Page 83 of 217

Instruments and controls81
In the Uplevel-Combi-Display, the
remaining oil life duration is displayed
in the Vehicle Information Menu .
In the Midlevel-Display, the remaining engine oil life duration is displayed by
the control indicator I, therefore the
ignition must be switched on, with the
engine off.
The menu and function can be
selected via the buttons on the turn
signal lever.
To display the remaining engine oil
life duration:
Press the MENU button to select the
Vehicle Information Menu .
Turn the adjuster wheel to select
Remaining Oil Life .
The system must be reset every time
the engine oil is changed to ensure
proper functionality. Seek the
assistance of a workshop.
Press the SET/CLR button to reset.
Therefore the ignition must be
switched on, with the engine off.
When the system has calculated that
engine oil life has been diminished,
Change Engine Oil Soon or a warning
code appears in the Driver
Information Centre. Have engine oil
and filter changed by a workshop
within one week or 300 miles
(whichever occurs first).
Driver Information Centre 3 88.
Service information 3 192.
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 theignition 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
Page 84 of 217
82Instruments and controls
Control indicators in the instrument cluster
Page 85 of 217

Instruments and controls83
Control indicators in the centre
console
Turn signal
O illuminates or flashes green.
Illuminates briefly The parking lights are switched on.
Flashes A turn signal or the hazard warning
flashers are activated.
Rapid flashing: failure of a turn signal
light or associated fuse, failure of turn
signal light on trailer.
Bulb replacement 3 160, Fuses
3 166.
Turn signals 3 109.
Seat belt reminder X for driver's seat illuminates or
flashes red.
k for front passenger seat illuminates
or flashes red, when seat is occupied.
Y for rear seats illuminate in the
Driver Information Centre (DIC).
When the ignition is switched on, the indicator light illuminates for severalseconds.
If seat belt becomes unbuckled when the vehicle is moving, the indicator
light illuminates.
If the seat belt is buckled, the indicator light extinguishes.
Three-point seat belts 3 39.
Airbag and belt tensioners
v illuminates red.When the ignition is switched on, the
control indicator illuminates for a few seconds. If it does not illuminate,
does not go out after a few 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, airbag system
3 38, 3 41.
Airbag deactivation
V illuminates yellow.
The front passenger airbag is
activated.
Page 86 of 217

84Instruments and controls
* illuminates yellow.
The front passenger airbag is
deactivated 3 46.9 Danger
Risk of fatal injury for a child using
a child restraint system together
with activated front passenger
airbag.
Risk of fatal injury for an adult
person with deactivated front
passenger airbag.
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. 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 g illuminates yellow.
Additionally a warning message or a
warning code is displayed.
The vehicle needs a service.Seek the assistance of a workshop.
Vehicle messages 3 93.
Brake and clutch system
Brake and clutch fluid level R illuminates red.
The brake and clutch fluid level is too
low 3 157.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Illuminates after the ignition is
switched on if the parking brake is
applied 3 132.
Operate pedal
- illuminates yellow.
Clutch pedal must be operated to
start the engine. Stop-start system 3 122.
Page 87 of 217

Instruments and controls85Antilock 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 a
fault in the ABS. The brake system
remains operational but without ABS
regulation.
Antilock brake system 3 131.
Upshift
[ illuminates green or is shown as a
symbol in the Driver Information
Centre with Uplevel-Combi-Display
when upshifting is recommended for
fuel saving reasons.
ECO drive assistant 3 96.
Descent control system
u illuminates or flashes green.Descent control system 3 134
Illuminates The system is ready for operation.
Flashes The system is activated.
Power steering c illuminates yellow.
It illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
If the indicator does not extinguish
after a few seconds, or if it illuminates while driving, there is a failure in the
power steering system.
Seek the assistance of a workshop.
Lane departure warning ) illuminates green or yellow or
flashes yellow.
Illuminates green
System is switched on and ready to
operate.Illuminates yellow
Failure in the system. Seek the
assistance of a workshop.
Flashes yellow
System recognises an unintended
lane change.
Ultrasonic parking assist
r illuminates yellow.
Fault in system
or
Fault due to sensors that are dirty or
covered by ice or snow
or
Interference due to external sources
of ultrasound. Once the source of interference is removed, the system
will operate normally.
Have the cause of the fault in the
system remedied by a workshop.
Ultrasonic parking assist 3 140.
Page 88 of 217

86Instruments and controlsElectronic Stability Control
off
n illuminates yellow.
The system is deactivated.
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.
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 3 133,
Traction Control system 3 133.
Traction Control system off
k illuminates yellow.
The system is deactivated.
Preheating ! illuminates yellow.
Preheating is activated. Only
activates when outside temperature
is low.
Diesel particle filter
% illuminates or flashes yellow.
The diesel particle filter requires
cleaning.
Continue driving until %
extinguishes. If possible, do not allow engine speed to drop below
2000 rpm.Illuminates
The diesel particle filter is full. Start
cleaning process as soon as
possible.
Flashes
The maximum filling level of the filter
is reached. Start cleaning process
immediately to avoid damage to the
engine.
Diesel particle filter 3 125, Stop-start
system 3 122.
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 60-90 seconds the
control indicator illuminates
continuously. Consult a workshop.