84Instruments and controls
A further 12 Volt power outlet is
located in the rear console. Fold the
cover downwards.
Do not exceed the maximum power
consumption of 120 watts.
With ignition off, the power outlets are
deactivated. Additionally the power
outlets are deactivated in the event of
low vehicle battery voltage.
Electrical accessories that are
connected must comply with the
electromagnetic compatibility
requirements laid down in
DIN VDE 40 839.
Do not connect any current-delivering
accessories, e.g. electrical charging
devices or batteries.
Do not damage the outlet by using
unsuitable plugs.
Stop-start system 3 140.
Cigarette lighter
The cigarette lighter is located in the
front console.
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.
The portable ashtray can be placed in
the cupholders.
92Instruments and controlsIlluminates when the engine is
running
Stop, switch off engine. Vehiclebattery 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.
Brake and clutch system
R illuminates red.
The brake and clutch fluid level is too low 3 196.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Illuminates after the ignition is
switched on if the manual parking
brake is applied 3 153.
Operate pedal - illuminates or flashes yellow.
Illuminates
Brake pedal must be depressed to release the electric parking brake
3 153.
Clutch pedal must be depressed to
start the engine in Autostop mode.
Stop-start system 3 140.
Flashes
Clutch pedal must be depressed to
start the engine with the key 3 18,
3 139.
On some versions, the message to
operate the clutch pedal is indicated
in the Driver Information Centre
3 103.
Electric parking brake m illuminates or flashes red.
Illuminates
Electric parking brake is applied
3 153.
Instruments and controls93Flashes
Electric 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
electric 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
Electric parking brake is operating
with degraded performance 3 153.
Flashes
Electric parking brake is in service mode. Stop vehicle, apply and
release the electric 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
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 3 152.
Upshift R with the number of a higher gear is
indicated or pops up as a full page in
the Driver Information Centre when
upshifting is recommended for fuel
saving reasons.
Driver Information Centre 3 96.
Power steering
c illuminates yellow.
Illuminates with power steering
reduced
Power steering is reduced due to
overheating of the system. Control
indicator extinguishes when the
system has cooled down.
Stop-start system 3 140.
Illuminates with power steering
disabled
Failure in the power steering system.
Consult a workshop.
Lane departure warning
) illuminates green or flashes yellow.
Illuminates green
System is switched on and ready to
operate.
94Instruments and controlsFlashes yellowSystem recognises an unintended
lane change.
Electronic Stability Control
off
n illuminates yellow.
The system is deactivated.
Electronic Stability Control and Traction Control system
b illuminates or flashes yellow.
Flashes
The system is actively engaged.
Engine output may be reduced and
the vehicle may be braked
automatically to a small degree.
Illuminates
A fault in the system is present. A
warning message appears in the
Driver Information Centre. Continued
driving is possible. The system is notoperational. Driving stability,
however, may deteriorate depending
on road surface conditions.
Have the cause of the fault remedied by a workshop.
Electronic Stability Control (ESC)
3 156, Traction Control system (TC)
3 155.
Traction Control system off
k illuminates yellow.
The system is deactivated.
Preheating ! illuminates yellow.
Preheating is activated. Only
activates when outside temperature is low.
Exhaust filter % illuminates or flashes yellow.
The exhaust filter requires cleaning.
Continue driving until %
extinguishes. If possible, do not allow
engine speed to drop below
2000 rpm.Illuminates
The exhaust 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.
Exhaust filter 3 144, Stop-start
system 3 140.
AdBlue Y flashes yellow.
AdBlue level is low. Refill AdBlue
soon to avoid prevention of the
engine start.
AdBlue 3 145.
Tyre pressure monitoring
system
w illuminates or flashes yellow.
Illuminates
Tyre pressure loss. Stop immediately
and check tyre pressure.
Instruments and controls95Flashes
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
3 213.
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 3 193.
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 3 145.
Bleeding the diesel fuel system
3 197.
Immobiliser d flashes yellow.
Fault in the immobiliser system. The
engine cannot be started.
Exterior light 8 illuminates green.
The exterior lights are on 3 114.
High beam
C illuminates blue.
Illuminates when high beam is on or
during headlight flash 3 116 , or when
high beam is on with high beam assist
or intelligent light range 3 118.
104Instruments 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 23.
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
106Instruments 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.
Climate control129If no cooling or drying is required,
switch off the cooling system for fuel
saving reasons. Activated cooling
may inhibit Autostops.
Stop-start system 3 140.
Air recirculation system 4
Press 4 to activate air recirculation
mode. The LED in the button
illuminates to indicate activation.
Press 4 again to deactivate air
recirculation mode.
9 Warning
The exchange of fresh air is
reduced in air recirculation mode.
In operation without cooling the air humidity increases, so the
windows may mist up from inside.
The quality of the passenger
compartment air deteriorates,
which may cause the vehicle
occupants to feel drowsy.
In warm and very humid ambient air conditions, the windscreen may mist
up from outside, when cold air is
directed towoards it. If windscreen
mists up from outside, activate
windscreen wiper and deactivate s.
Maximum cooling
Briefly open the windows so that hot
air can disperse quickly.
● Switch on cooling n.
● Air recirculation system 4 on.
● Press air distribution switch M.
● Set temperature control to coldest level.
● Set fan speed to highest level.
● Open all vents.