Page 95 of 265

Instruments and controls93Flashes
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
3 211.
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 the
assistance of a workshop 3 191.
Low fuel
i illuminates or flashes yellow.
Illuminates
Level in fuel tank is too low.
Flashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Catalytic converter 3 143.
Bleeding the diesel fuel system
3 195.
Immobiliser d flashes yellow.
Fault in the immobiliser system. The
engine cannot be started.
Exterior light 8 illuminates green.
The exterior lights are on 3 112.
High beam
C illuminates blue.
Illuminates when high beam is on or
during headlight flash 3 114 , or when
high beam is on with high beam assist
or intelligent light range 3 116.
Page 98 of 265
96Instruments and controls
●Remaining Oil Life : indicates
when to change the engine oil and filter 3 85
● Speed Warning : if exceeding the
preset speed, a warning chime will be activated
● Traffic Sign Assistant : displays
detected traffic signs for the
current route section 3 174
● Following Dist. : displays the
distance to a preceding moving
vehicle 3 162
Trip/Fuel Information Menu W
Press MENU to select W.
Turn the adjuster wheel to select a
page:Page 1:
● trip odometer 1
● average consumption 1
● average speed 1
Page 2: ● trip odometer 2
● average consumption 2
● average speed 2
Page 99 of 265

Instruments and controls97
Page 3:● digital speed
● range
● instantaneous consumption
The information of page 1 and
page 2 can be reset separately for odometer, average consumption and
average speed, making it possible to display different trip information.
Select pages by turning the adjuster
wheel on the turn signal lever.Trip odometer 1 or 2
Trip odometer displays the recorded
distance since a certain reset.
Trip odometer counts up to a distance
of 9,999 miles and then restarts at 0.
Reset trip odometer by pressing
SET/CLR on the turn signal lever for
a few seconds or by pressing the
reset knob near the speedometer
separately for selected page 1 or 2.
Average consumption 1 or 2
Display of average consumption. The measurement can be reset at any
time and starts with a default value.
To reset, press SET/CLR for a few
seconds separately for selected
page 1 or 2.
Average speed 1 or 2
Display of average speed. The
measurement can be reset at any
time.
To reset, press SET/CLR for a few
seconds separately for selected
page 1 or 2.
Digital speedDigital display of the instantaneous
speed.
Range Range is calculated from current fuel
tank content and current
consumption. The display shows
average values.
After refuelling, the range is updated
automatically after a brief delay.
When the fuel level in the tank is low,
a message appears in the display.
When the tank must be refuelled
immediately, a warning message is
displayed.
Page 103 of 265

Instruments and controls101Vehicle messages
Messages are indicated in the Driver
Information Centre, in some cases
together with a warning and signal
sound.
Press SET/CLR , MENU or turn the
adjuster wheel to confirm a message.
Messages in the Driver
Information Centre
The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
Messages in the
Colour-Info-Display
Some important messages may
appear additionally in the
Colour-Info-Display. Press the
multifunction knob to confirm a
message. Some messages only pop- up for a few seconds.
Warning chimes
When starting the engine or whilst
driving
Only one warning chime will sound at
a time.
The warning chime regarding
unfastened seat belts has priority
over any other warning chime.
● If seat belt is not fastened.
● If a door or the boot lid is not fully
closed when starting off.
● If the soft top is not completely opened or closed.
● If the soft top lid is not completely
closed.
● If the load compartment partition is folded in when operating the
soft top.
● If a certain speed is exceeded with parking brake applied.
● If a certain speed is exceeded when operating the soft top.
● If a programmed speed or speed
limit is exceeded.
Page 104 of 265

102Instruments and controls● If a warning message appears inthe Driver Information Centre.
● If the parking assist detects an object.
● If unintended lane change occurs.
● If the exhaust filter has reached the maximum filling level.
When the vehicle is parked and/or the driver's door is opened
● With exterior lights on.
During an Autostop ● If the driver's door is opened.
Battery voltage When the vehicle battery voltage is
running low, a warning message will
appear in the Driver Information
Centre.1. Switch off immediately any electrical consumers which are
not required for a safe ride, e.g.
seat heating, heated rear window or other main consumers.
2. Charge the vehicle battery by driving continuously for a while or
by using a charging device.
The warning message will disappear
after the engine has been started
twice consecutively without a voltage
drop.
If the vehicle battery cannot be
recharged, have the cause of the fault
remedied by a workshop.Vehicle personalisation
The vehicle's behaviour can be
personalised by changing the settings
in the Info-Display.
Some of the personal settings for
different drivers can be memorised individually for each vehicle key.
Memorised settings 3 21.
Depending on vehicle equipment and
country-specific regulations, some of
the functions described below may
not be available.
Some functions are only displayed or
active when the engine is running.
Personal settings in the
Graphic-Info-Display
CD 400plus/CD 400/CD 300
Page 106 of 265

104Instruments and controlsVehicle settings
●Climate and air quality
Auto fan speed : Modifies the
level of the cabin airflow of the
climate control in automatic
mode.
Climate control mode : Controls
the state of the cooling
compressor when the vehicle is
started. Last setting
(recommended) or at vehicle
start is either always ON or
always OFF.
Auto rear demist : Activates
heated rear window
automatically.
● Comfort settings
Chime volume : Changes the
volume of warning chimes.
Personalization by driver :
Activates or deactivates the
personalisation function.
● Park assist / Collision detection
Park assist : Activates or
deactivates the ultrasonic
sensors. Activation is selectable
with or without attached trailer
coupling.
Side blind zone alert : Changes
the settings for the side blind spot alert system.
● Exterior ambient lighting
Duration upon exit of vehicle :
Activates or deactivates and
changes the duration of exit
lighting.
Exterior lighting by unlocking :
Activates or deactivates the
welcome lighting.
● Power door locks
Auto door lock : Activates or
deactivates the automatic door
unlocking function after switching
off ignition. Activates or
deactivates the automatic door
locking function after driving-off.
Stop door lock if door open :
Activates or deactivates the
automatic door locking function
while a door is open.
Delayed door lock : Activates or
deactivates the delayed door locking function.
● Remote locking, unlocking,
starting
Remote unlock feedback :
Activates or deactivates the
hazard warning flasher feedback
whilst unlocking.
Page 108 of 265

106Instruments and controlsNavigation Settings
See Infotainment manual for further
information.
Display Settings ● Home Page Menu :
See Infotainment manual for
further information.
● Rear Camera Options :
Press to adjust the rear camera
options 3 172.
● Display Off :
See Infotainment manual for
further information.
● Map Settings :
See Infotainment manual for
further information.
Vehicle Settings ● Climate and Air Quality
Auto Fan Speed : Modifies the
level of the cabin airflow of the
climate control in automatic
mode.
Air Conditioning Mode : Controls
the state of the cooling
compressor when the vehicle is
started. Last setting(recommended) or at vehicle
start is either always ON or
always OFF.
Auto Rear Demist : Activates
heated rear window
automatically.
● Comfort and Convenience
Chime Volume : Changes the
volume of warning chimes.
Personalisation by Driver :
Activates or deactivates the
personalisation function.
● Collision Detection Systems
Park Assist : Activates or
deactivates the ultrasonic
sensors. Activation is selectable
with or without attached trailer
coupling.
Side Blind Zone Alert : Activates
or deactivates the side blind spot
alert system.
● Lighting
Vehicle Locator Lights : Activates
or deactivates the entry lighting.
Exit Lighting : Activates or
deactivates and changes the
duration of exit lighting.● Power Door Locks
Open Door Anti Lock Out :
Activates or deactivates the
automatic door locking function
while a door is open.
Auto Door Lock : Activates or
deactivates the automatic door
unlocking function after switching off ignition. Activates or
deactivates the automatic door
locking function after driving-off.
Delay Door Lock : Activates or
deactivates the delayed door locking function.
● Remote Lock/Unlock/Start
Remote Lock Feedback :
Activates or deactivates the
hazard warning flasher feedback
whilst locking.
Remote Unlock Feedback :
Activates or deactivates the
hazard warning flasher feedback
whilst unlocking.
Remote Door Unlock : Changes
the configuration to unlock only
the driver's door or the whole
vehicle whilst unlocking.
Page 114 of 265

112LightingLightingExterior lighting.......................... 112
Light switch .............................. 112
Automatic light control .............113
High beam ............................... 114
High beam assist .....................114
Headlight flash ......................... 115
Headlight range adjustment ....115
Headlights when driving abroad .................................... 115
Daytime running lights .............116
Adaptive forward lighting .........116
Hazard warning flashers ..........119
Turn lights ................................ 120
Front fog lights ......................... 120
Rear fog lights ......................... 120
Parking lights ........................... 121
Reversing lights .......................121
Misted light covers ...................121
Interior lighting ........................... 121
Instrument panel illumination control ..................................... 121
Interior lights ............................ 122
Reading lights .......................... 122
Sunvisor lights ......................... 122Lighting features ........................123
Entry lighting ............................ 123
Exit lighting .............................. 123
Battery discharge protection ....124Exterior lighting
Light switch
Turn light switch:
7:lights off8:sidelights9:headlights
Control indicator 8 3 93.