Page 87 of 251
Instruments and controls85Pull lever. Washer fluid is sprayed
onto the windscreen and the wiper
wipes a few times.
Washer fluid 3 176
Rear window wiper/washer
Press the rocker switch to activate the
rear window wiper:
upper position:continuous
operationlower position: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 windscreen is frozen.
Switch off in car washes.
The rear window wiper comes on
automatically when the windscreen
wiper is operating and reverse gear is engaged.
Activation or deactivation of this
function can be changed in the
Settings menu in the Info-Display.
Washer fluid 3 176
Vehicle personalisation 3 112.
Outside temperature
A drop in temperature is indicated
immediately and a rise in temperature
after a time delay.
Page 88 of 251

86Instruments and controlsIf outside temperature drops to 3 °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.
Clock
Date and time are shown in the
Info-Display.
Time and date settings
CD 300/CD 400/CD 400plus
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
hours and 24 hours .
● Set date format : Changes
indication of date between MM/
DD/YYYY and DD.MM.YYYY .
●Display digital 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. Insuch cases, it is recommended to switch off automatic time
synchronisation.
Vehicle personalisation 3 112.
Time and date settings
CD 600/Navi 650/Navi 950
Press Config and then select the
Time and Date menu item to display
the respective submenu.
Page 91 of 251
Instruments and controls89Warning lights, gauges
and indicators
Instrument cluster
In some versions, the needles of the
instruments briefly rotate to the end
position when the ignition is switched on.
Speedometer
Indicates vehicle speed.
Odometer
The bottom line displays the recorded distance in km.
Trip odometer The top line displays the recordeddistance since the last reset.
To reset, press SET/CLR on the turn
signal lever for a few seconds
3 101.
On vehicles with reset knob, hold the
reset knob depressed for a few
seconds with the ignition on.
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 92 of 251

90Instruments and controlsFuel 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 90.
Never run the 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
Pressing LPG
switches between
petrol and liquid gas operation. The
LED 1 status shows the current
operating mode.
1 off:petrol operation1 flashes:checking conditions
for fuel transition to
liquid gas operation.
Illuminates if
conditions are fulfilled.1 illumi‐
nates:liquid gas operation1 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 tanks are empty, petrol operation is
automatically engaged until the
ignition is switched off.
Fuel for liquid gas operation 3 160.
Engine coolant temperature gauge
Page 93 of 251

Instruments and controls91Displays 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.
In the Uplevel-Display or
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. The ignition
must be switched on, with the engine
not running.
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 allow proper functionality. Seek the
assistance of a workshop.
Press SET/CLR to reset. The ignition
must be switched on, with the engine not running.
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
Page 98 of 251

96Instruments and controls9Danger
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. 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. 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 3 106.Brake and clutch system
Brake and clutch fluid level R illuminates red.
The brake and clutch fluid level is too low 3 176.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Operate pedal
- illuminates or flashes yellow.
Illuminates
Brake pedal needs to be depressed
to release the electric parking brake
3 151.
Clutch pedal needs to be depressed
to start the engine in Autostop mode.
Stop-start system 3 142.
Flashes
Clutch pedal needs to be depressed
for a main start of the engine 3 17,
3 141.
Page 99 of 251

Instruments and controls97Electric parking brake
m illuminates or flashes red.
Illuminates
Electrical parking brake is applied
3 151.
Flashes
Electrical parking brake is not fully applied or released. Switch on
ignition, depress brake pedal and
attempt to reset the system by first
releasing and then applying the
electrical 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 Electrical parking brake is operating
with degraded performance 3 151.Flashes
Electrical parking brake is in service
mode. Stop vehicle, apply and
release the electrical parking brake to
reset.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
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 3 150.
Upshift
[ illuminates green when upshifting
is recommended for fuel saving
reasons.
On vehicles with Uplevel-Display or Uplevel-Combi-Display, [ with the
number of the recommended gear is
shown in the bottom line of the Driver
Information Centre.
Variable effort steeringc illuminates yellow.
Fault in variable effort steering
system. This may lead to a higher or
lower steering effort. Consult a
workshop.
Stop-start system 3 142.
Ultrasonic parking assist
r illuminates yellow.
Fault in system
or
Fault due to sensors that are dirty or
covered by ice or snow
or
Page 101 of 251

Instruments and controls99Flashes
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.
Tyre pressure monitoring system
3 198.
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, 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 is stationary, otherwise the steeringwheel lock could engage
unexpectedly.
Check oil level before seeking
assistance of a workshop 3 174.
Low fuel
i illuminates or flashes yellow.
Illuminates
Level in fuel tank is too low.
Additionally a warning message is
displayed on vehicles with Uplevel-
Display.
Flashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Additionally a warning message is
displayed on vehicles with Midlevel-
and Uplevel-Display.
Refuelling 3 162.
Catalytic converter 3 146.
Bleeding the diesel fuel system
3 179.
Immobiliser d flashes yellow.
Fault in the immobiliser system. The
engine cannot be started.
Reduced engine power
# illuminates yellow.
The engine power is limited. Consult
a workshop.
Exterior light8 illuminates green.
The exterior lights are on 3 120.