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74Instruments and controlsRear window wiper/washer
Press the rocker switch to activate the
rear window wiper:
upper switch:continuous
operationlower switch:intermittent
operationmiddle position:off
Push lever. Washer fluid is sprayed
onto the rear window and the wiper
wipes a few times.
Do not use if the rear window is
frozen.
Switch off in car washes.
The rear window wiper comes on
automatically when the windscreen
wiper is switched on and reverse gear
is engaged.
Activation or deactivation of this
function can be changed in the menu
Settings in the Info-Display.
Washer fluid 3 168
Vehicle personalisation 3 99.
Outside temperature
A drop in temperature is indicated
immediately and a rise in temperature
after a time delay.
If outside temperature drops to
0.5 °C, a warning message is
displayed in the Driver Information
Centre with Uplevel-Display or
Uplevel-Combi-Display.
9 Warning
The road surface may already be
icy even though the display
indicates a few degrees above 0
°C.
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Instruments and controls75ClockDate and time are shown in the
Info-Display.
Set date and time
CD 400
Press CONFIG . The menu Settings is
displayed.
Select Time Date .
Selectable setting options:
● Set time : Changes the time
shown on the display.
● Set date : Changes the date
shown on the display.
● Set time format : Changes
indication of hours between 12 h
and 24 h.
● Set date format : Changes
indication of date between MM/
DD/YYYY and DD/MM/YYYY .
● Display clock : Switches on/off
indication of time on the display.
● RDS clock synchronization : The
RDS signal of most VHF
transmitters automatically sets
the time. RDS time
synchronisation can take a few
minutes. Some transmitters do not send a correct time signal. In
such cases, it is recommended to
switch off automatic time
synchronisation.
Vehicle personalisation 3 99.
Time and date settings
CD 600/Navi 950
Press CONFIG and then select the
Time and Date menu item to display
the respective submenu.
Notice
If RDS Auto Time Adjust is activated,
time and date are automatically set
by the system.
See Infotainment manual for further
information.
Set time
To adjust the time settings, select the
Set Time menu item. Turn the
multifunction knob to adjust the first
setting.
Press the multifunction knob to
confirm the input. The coloured
background moves to the next
setting.
Adjust all settings.
Page 79 of 231
Instruments and controls77Caution
Do not connect any current-delivering accessories, e.g.
electrical charging devices or
batteries.
Do not damage the sockets by
using unsuitable plugs.
Warning lights, gauges
and indicators
Speedometer
Indicates vehicle speed.
Odometer
The bottom line displays the recordeddistance.
Trip odometer The top line displays the recorded
distance since the last reset.
To reset, press SET/CLR 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.
Page 80 of 231
78Instruments and controlsTachometer
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 the level in the fuel or gas
tank depending on the operation mode.
The arrow indicates the vehicle side
where the fuel filler flap is located.
Control indicator i illuminates if the
level in the tank is low. Refuel
immediately if it flashes.
During liquid gas operation, the
system automatically switches over to
petrol operation when gas tanks are
empty 3 78.
Never run fuel tank dry.
Because of the fuel remaining in the
tank, the top-up quantity may be less
than the specified tank capacity.
Fuel selector
Press LPG
to switch between petrol
and liquid gas operation. The LED in
the button shows the current
operating mode.
Page 81 of 231

Instruments and controls79LED off:petrol operationLED
flashes:checking conditions for
fuel transition to liquid
gas operation.
Illuminates if conditions
are fulfilled.LED illu‐
minates:liquid gas operationLED
flashes
five
times
and
extin‐
guishes:liquid gas tank is empty
or failure in liquid gas
system. A message is
displayed in the Driver
Information Centre.
As soon as the liquid gas tank is
empty, petrol operation is
automatically engaged until the
ignition is switched off.
Fuel for liquid gas operation 3 153.
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.
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80Instruments and controlsIn the Uplevel-Display and 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
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 MENU 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 SET/CLR 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 3 205.
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 86 of 231

84Instruments and controlsCharging systemp 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 94.
Brake and clutch system R illuminates red.
The brake and clutch fluid level is too
low, when manual parking brake is
not applied 3 169.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Illuminates when the manual parking
brake is applied and ignition is
switched on 3 136.
Operate pedal - illuminates or flashes yellow.
Illuminates
Clutch pedal must be depressed to
start the engine in Autostop mode.
Stop-start system 3 127.
Flashes
Clutch pedal must be depressed for a main start of the engine 3 16, 3 126.
Antilock brake system
(ABS)
u illuminates yellow.
Page 87 of 231

Instruments and controls85Illuminates 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 3 136.
Upshift
[ illuminates green or is shown as a
symbol in the Driver Information
Centre with Uplevel-Display or
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 3 139
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 3 144.
Electronic Stability Control off
n illuminates yellow.
The system is deactivated.