Page 47 of 263

Keys, doors and windows45
● With the hinges behind the frontseats insert the right side locking
pins in the recesses of the right
side trim near the rear seat. Fold
the deflector a little at the centre and insert the left side locking
pins in the recesses of the left
side trim. Ensure that all pins are properly engaged. Push down
the deflector at the centre.● Fold up the upper part to vertical position.
The rear seats cannot be occupied
when the big wind deflector is
mounted.
The vertical part of the deflector can
be folded down when not used.
Wind deflector may remain mounted
when the soft top is closed.
For removing fold down vertical part
of the deflector. Lift up the deflector at
the centre a little and remove it from
the recesses on both sides.
Stowing the wind deflector
To stow the deflector, move in the
rear locking pins by pushing back and
turning the pins into the brackets.
Push back the sliders of the front
locking pins until they engage. Swing in the deflector and stow it in the bag.
Fold down the rear backrests. Align
the hard cover of the bag to the load
compartment. Position the bag from
the bottom up at the lateral guide in
the recess of the upper frame. Fix the
bag with the Velcro fastener at the
lashing eyes on both sides. Raise
rear backrests.
Page 48 of 263
46Keys, doors and windowsRollover protection system
The rollover protection system
consists of a reinforced windscreen
frame and roll bars under covers
behind the rear head restraints.
In the event of a vehicle rollover,
head-on collision or side impact, the
roll bars deploy upwards
automatically within milliseconds.
They also deploy together with the
front and side airbag systems.
Note
Do not place any objects on the
covers of the roll bars behind the
head restraints.
The airbag control indicator v
illuminates if the roll bars have been
deployed.
The system deploys with the soft top
opened or closed.
The soft top must not be operated if
the roll bars have been deployed. A
continuous warning will sound and a
message appears in the Driver
Information Centre if the switch is
actuated.
Page 101 of 263

Instruments and controls99Additionally, the control indicator i
in the fuel gauge illuminates or
flashes 3 94.
Instantaneous consumption
Displays the instantaneous
consumption.
ECO Information Menu s
Press MENU to select s.
Turn the adjuster wheel to select a page:
● Shift indication : Current gear is
indicated inside an arrow. The
digit above recommends
upshifting for fuel saving
reasons.
Eco index display : The current
fuel consumption is indicated on a segment display. For
economical driving adapt your
driving style to keep the filled
segments within the Eco area.
The more segments are filled, the higher the fuel consumption.
Simultaneously the current
consumption value is indicated.
● Top Consumers : List of top
comfort consumers currently
switched on is displayed in
descending order. Fuel saving
potential is indicated. A switched-
off consumer disappears from
the list and the consumption
value will be updated.
During sporadic driving
conditions, the heated rear
window is activated automatically to increase engine load. In this
event, the heated rear window is
indicated as one of the top
consumers, without activation by
the driver.
● Economy Trend : Displays the
average consumption
development over a distance of
50 km. Filled segments display
the consumption in 5 km steps
Page 105 of 263

Instruments and controls103● If a warning message appears inthe Driver Information Centre.
● If the parking assist detects an object.
● If unintended lane change occurs.
● If the diesel particle 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
Page 107 of 263

Instruments and controls105Vehicle 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 109 of 263

Instruments and controls107Navigation 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 3 173.
● 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 127 of 263

Lighting125Exit lighting is switched off
immediately if the turn signal lever is pulled while the driver's door is open.
Activation, deactivation and duration
of this function can be changed in the
Info-Display. Vehicle personalisation
3 103.
The settings can be saved for the key being used 3 23.
Battery discharge protection Vehicle battery state of charge
function
The function guarantees longest
vehicle battery life via a generator with controllable power output and
optimised power distribution.
To prevent discharge of the vehicle
battery when driving, the following
systems are reduced automatically in
two stages and finally switched off:
● auxiliary heater
● heated rear window and mirrors ● heated seats
● fanIn the second stage, a message
which confirms activation of the
vehicle battery discharge protection
will be displayed in the Driver
Information Centre.
Switching off electric lights
To prevent discharge of the vehicle
battery when the ignition is switched off, some interior lights are switched
off automatically after some time.
Page 128 of 263

126Climate controlClimate controlClimate control systems.............126
Heating and ventilation system 126
Air conditioning system ...........127
Electronic climate control system .................................... 129
Auxiliary heater ........................133
Air vents ..................................... 134
Adjustable air vents .................134
Fixed air vents ......................... 134
Maintenance .............................. 134
Air intake ................................. 134
Pollen filter ............................... 134
Air conditioning regular
operation ................................ 135
Service .................................... 135Climate control systems
Heating and ventilation system
Controls for: ● temperature
● air distribution
● fan speed
● demisting and defrosting
Heated rear window Ü 3 36.
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.