76Instruments and controlsInstruments and
controlsControls ....................................... 77
Steering wheel adjustment ........77
Steering wheel controls .............77
Heated steering wheel ...............77
Horn ........................................... 78
Windscreen wiper and washer ..78
Outside temperature ..................79
Clock ......................................... 80
Power outlets ............................. 81
Cigarette lighter ......................... 82
Ashtrays .................................... 82
Warning lights, gauges and indi‐ cators ........................................... 83
Instrument cluster ......................83
Speedometer ............................. 83
Odometer .................................. 83
Trip odometer ............................ 83
Tachometer ............................... 84
Fuel gauge ................................ 84
Engine coolant temperature gauge ....................................... 84
Service display .......................... 85
Control indicators ......................86
Turn lights .................................. 88Seat belt reminder.....................89
Airbag, belt tensioners and roll bars .......................................... 89
Airbag deactivation ....................89
Charging system .......................89
Malfunction indicator light ..........90
Brake and clutch system ...........90
Operate pedal ............................ 90
Electric parking brake ................90
Electric parking brake fault ........91
Antilock brake system (ABS) .....91
Upshift ....................................... 91
Power steering .......................... 91
Lane departure warning ............91
Electronic Stability Control off ...92
Electronic Stability Control and Traction Control system ...........92
Traction Control system off .......92
Preheating ................................. 92
Exhaust filter .............................. 92
AdBlue ....................................... 92
Tyre pressure monitoring system ...................................... 92
Engine oil pressure ....................93
Low fuel ..................................... 93
Immobiliser ................................ 93
Exterior light .............................. 93
High beam ................................. 93
High beam assist .......................94
Adaptive forward lighting ...........94Fog light ..................................... 94
Rear fog light ............................. 94
Cruise control ............................ 94
Vehicle detected ahead .............94
Door open .................................. 94
Displays ....................................... 94
Driver Information Centre ..........94
Info Display ................................ 99
Vehicle messages ......................101
Warning chimes .......................101
Battery voltage ........................ 102
Vehicle personalisation ..............102
Telematics service .....................107
OnStar ..................................... 107
Instruments and controls85Caution
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.
To display the remaining engine oil
life duration use turn signal lever
buttons:
Press MENU to select the Vehicle
Information Menu X .
Turn the adjuster wheel to select
Remaining Oil Life .
The remaining engine oil life duration
is displayed in percent in the Driver
Information Centre.
Reset Press SET/CLR on turn signal lever
for several seconds to reset. The
remaining engine oil life duration
page must be active. Switch on
ignition, but not the engine.
The system must be reset every time
the engine oil is changed, to ensure
proper functionality. Seek the
assistance of a workshop.
Next service When the system has calculated that
engine oil life has diminished, a
warning message 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 94.
Service information 3 233.
88Instruments and controlsControl indicators in the centre
console
Overview
OTurn signal 3 88XSeat belt reminder 3 89vAirbag and belt tensioners and
roll bars 3 89VAirbag deactivation 3 89pCharging system 3 89ZMalfunction indicator light
3 90RBrake and clutch system 3 90-Operate pedal 3 90mElectric parking brake 3 90jElectric parking brake fault
3 91uAntilock brake system (ABS)
3 91RUpshift 3 91cPower steering 3 91)Lane departure warning 3 91aElectronic Stability Control off
3 92bElectronic Stability Control and
Traction Control system 3 92kTraction Control system off
3 92!Preheating 3 92%Exhaust filter 3 92YAdBlue 3 92wTyre pressure monitoring
system 3 92IEngine oil pressure 3 93iLow fuel 3 93dImmobiliser 3 938Exterior light 3 93CHigh beam 3 93lHigh beam assist 3 94fAdaptive forward lighting 3 94>Fog light 3 94rRear fog light 3 94mCruise control 3 94AVehicle detected ahead 3 94hDoor open 3 94
Turn lights
O illuminates or flashes green.
Illuminates briefly The parking lights are switched on.
Flashes
A turn signal or the hazard warning
flashers are activated.
92Instruments 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)
3 154, Traction Control system (TC)
3 153.
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 3 142, Stop-start
system 3 138.
AdBlue Y flashes yellow.
AdBlue level is low. Refill AdBlue
soon to avoid prevention of the
engine start.
AdBlue 3 143.
Tyre pressure monitoring
system
w illuminates or flashes yellow.
Illuminates
Tyre pressure loss. Stop immediately
and check tyre pressure.
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
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
Climate control125Climate controlClimate control systems.............125
Heating and ventilation system 125
Air conditioning system ...........126
Electronic climate control system .................................... 128
Auxiliary heater ........................132
Air vents ..................................... 133
Adjustable air vents .................133
Fixed air vents ......................... 133
Maintenance .............................. 133
Air intake ................................. 133
Pollen filter ............................... 133
Air conditioning regular
operation ................................ 134
Service .................................... 134Climate control systems
Heating and ventilation system
Controls for: ● temperature
● air distribution
● fan speed
● demisting and defrosting
Heated rear window Ü 3 34.
Temperature
red:warmblue:coldHeating will not be fully effective until
the engine has reached normal
operating temperature.
Air distributions:to windscreen and front door
windowsM:to head area via adjustable air
ventsK:to foot well and windscreen
All combinations are possible.
Fan speed
Adjust the air flow by switching the fan to the desired speed.
Climate control133Air vents
Adjustable air vents At least one air vent must be open
while the cooling is on.
To open the vent, turn the adjuster
wheel towards the bigger W symbol.
Adjust the air amount at the vent
outlet by turning the adjuster wheel.
Direct the flow of air by tilting and
swivelling the slats.
To close the vent, turn the adjuster
wheel towards the smaller W symbol.
9 Warning
Do not attach any objects to the
slats of the air vents. Risk of
damage and injury in case of an
accident.
Fixed air vents
Additional air vents are located
beneath the windscreen and door windows and in the foot wells.
Maintenance
Air intake
The air intake in front of the
windscreen in the engine
compartment must be kept clear to
allow air intake. Remove any leaves,
dirt or snow.
Pollen filter The pollen filter cleans dust, soot,
pollen and spores from the air
entering the vehicle through the air
intake.