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30Keys, doors and windows
Pushing or pulling firmly to the second
detent and then releasing: window
moves up or down automatically with
safety function enabled. To stop
movement, operate the switch once
more in the same direction.
Safety function If the window glass encounters
resistance above the middle of the
window during automatic closing, it is
immediately stopped and opened
again.
Override safety function
In the event of closing difficulties due to frost or the like, switch on the
ignition, then pull the switch to the first
detent and hold. The window moves
up without safety function enabled.
To stop movement, release the
switch.Child safety system for rear
windows
Press switch z to deactivate rear
power windows.
To activate, press z again.
Overload If the windows are repeatedly
operated within short intervals, the window operation is disabled for
some time.
Initialising the power windows
If the windows cannot be closed
automatically (e.g. after
disconnecting the vehicle battery),
activate the window electronics as
follows:
1. Close doors.
2. Switch on ignition.
3. Close the window completely and
keep the switch pulled for
additional 2 seconds.
4. Repeat for each window.
Heated rear window
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Keys, doors and windows31
Operated by pressing the Ü button.
Heating works with the engine
running and is switched off
automatically after a short time.
Depending on the engine type, the
heated rear window comes on
automatically when the diesel particle filter is being cleaned.
Sun visors
The sun visors can be folded down or swivelled to the side to prevent
dazzling.
The sun visors mirror covers should
be closed when driving.
If the sun visors have a vanity mirror
lamp, the lamp will illuminate when
opening the vanity mirror cover.Roof
Sunroof9 Warning
Take care when operating the
sunroof. Risk of injury, particularly to children.
Keep a close eye on the movable parts when operating them.
Ensure that nothing becomes
trapped in them as they move.
Switch on ignition to operate the
sunroof.
Open or close
Press switch 1 or switch 2 gently to
the first detent: sunroof is opened or
closed as long as the switch is
operated.
Press switch 1 or switch 2 firmly to the
second detent and then release: the
sunroof is opened or closed
automatically with safety function
enabled. To stop movement, operate
the switch once more.
Raise or close
Press switch 3 or switch 4: sunroof is
raised or closed automatically with
safety function enabled.
If the sunroof is raised, it can be
opened in one step by pressing
switch 1.
Sunblind The sunblind is operated manually.
Close or open the sunblind by sliding.
When the sunroof is open, the
sunblind is always open.
Dirt and debris may collect on the
sunroof seal or in the track that could
cause an issue with sunroof
Page 34 of 219
32Keys, doors and windows
operation, noise or plug the water
drainage system. Periodically open
the sunroof and remove any
obstacles or loose debris. Wipe the
sunroof seal and roof sealing area
using a clean cloth, mild soap, and
water. Do not remove grease from the sunroof.
General hints Safety function
If the sunroof encounters resistance
during automatic closing, it is
immediately stopped and opened
again.
Override safety function
In the event of closing difficulties due to frost or the like, press and hold
switch 2. The sunroof closes without
safety function enabled. To stop
movement, release the switch.
Initialising after a power failure
After a power failure, it may only be
possible to operate the sunroof to a
limited extent. Have the system
initialised by your workshop.
Page 77 of 219
Instruments and controls75
Windscreen washer
Pull lever. Washer fluid is sprayed
onto the windscreen and the wiper
wipes a few times.
Rear window wiper/washer
Press the rocker switch to activate the
rear window wiper:
upper posi‐
tion=continuous
operationlower posi‐
tion=intermittent
operationmiddle posi‐
tion=off
Push lever. Washer fluid is sprayed
onto the rear window and the wiper
wipes a few times.
Do not use if the rear window is
frozen.
Switch off in car washes.
The rear window wiper comes on
automatically when the windscreen
wiper is switched on and reverse gear
is engaged.
Activation or deactivation of this
function can be changed in the menu Settings in the Info-Display.
Vehicle personalisation 3 99.
Page 78 of 219
76Instruments and controls
The rear window washer system is
deactivated when the fluid level is
low.
Outside temperature
A drop in temperature is indicated
immediately and a rise in temperature
after a time delay.
If outside temperature drops to
0.5 °C, a warning message is
displayed in the Driver Information
Centre with 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.
Set date and time CD 400
Press the CONFIG button. 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 h
and 24 h .
■ Set date format : Changes
indication of date between MM/DD/
YYYY and DD.MM.YYYY .
Page 97 of 219

Instruments and controls95
No.Vehicle message28Right rear turn signal failure53Tighten gas cap54Water in diesel fuel filterS68Service power steeringS73Service all-wheel drive systemS75Service air conditioningS79Top up engine oilS81Service transmissionS82Change engine oil soonS84Engine power is reducedS89Service vehicle soon128Bonnet open134Park assist fault, clean
bumperS136Service parking assist174Low batteryNotice
"S" means "Service vehicle soon".
Seek the assistance of a workshop
immediately.
Vehicle messages on the
Uplevel-Combi-Display
The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
The system displays messages
regarding the following topics:
■ Service messages
■ Fluid levels
■ Anti-theft alarm system
■ Brakes
■ Drive systems
■ Ride control systems
■ Driver assistance systems
■ Cruise control
■ Speed limiter
■ Parking assist systems
■ Lighting, bulb replacement
■ Adaptive forward lighting
■ Wiper/washer system
■ Doors, windows
■ Traffic sign assistant
■ Lane departure warning
■ Load compartment, boot lid
■ Radio remote control
■ Seat belts
■ Airbag systems
■ Engine and transmission
■ Tyre pressure
■ Diesel particle filter
■ Vehicle battery status
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96Instruments and controlsWarning chimesWhen starting the engine or
whilst driving ■ If the door or bonnet is open.
■ If seat belt is not fastened.
■ If a certain speed is exceeded with parking brake applied.
■ If a warning message or a warning code appears in the Driver
Information Centre.
■ If the parking assist detects an object.
When the vehicle is parked and/ or the driver's door is opened ■ When the key is in the ignition switch.
■ With exterior lights on.
Battery voltage
When the battery voltage is running low, a warning message or warning
code 174 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 battery by driving continuously for a while or by
using a charging device.
The warning message or warning
code will disappear after the engine
has been started twice consecutively
without a voltage drop.
If the battery cannot be recharged,
have the cause of the fault remedied
by a workshop.Trip computer
The menus and functions can be
selected via the buttons on the turn signal lever 3 89.
On Midlevel-Display, press the
MENU button to select the Trip/Fuel
Information Menu , or select W on
the Uplevel-Combi-Display.
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100Instruments and controls
Radio settings
See Infotainment system manual for
further information.
Bluetooth settings
See Infotainment system manual for
further information.
Vehicle settings ■ Climate and air quality
Auto fan speed : Modifies the fan
regulation. Changed setting will be active after switching the ignition off
and on again.
Climate control mode : Activates or
deactivates cooling.
Auto demist : Supports windscreen
dehumidification by automatically
selecting the necessary settings
and auto air conditioning mode.
Auto rear demist : Automatic
activation of rear heated window.
■ Comfort settings
Chime volume : Changes the
volume of warning chimes.Personalization by driver : Activates
or deactivates the personalisation
function.
Rear auto wipe in reverse :
Activates or deactivates automatic
switching on of the rear window
wiper when reverse gear is
engaged.
■ Exterior ambient lighting
Exterior lighting by unlocking :
Activates or deactivates the entry
lighting.
Duration upon exit of vehicle :
Activates or deactivates and
changes the duration of exit
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.
Remote door unlock : Changes the
configuration to unlock only the
driver's door or the whole vehicle
whilst unlocking.
■ Restore factory settings :
Resets all settings to the default
settings.
Settings in the Colour-Info-
Display CD 600/Navi 650/Navi 950
Press the CONFIG button on the
Infotainment system faceplate to
enter the Configuration menu.
Turn the multifunction knob to scroll
upwards or downwards in the list.
Press the multifunction knob
(Navi 950 / Navi 650: press the outer
ring) to select a menu item.