Page 36 of 337
34Keys, doors and windows
Initialising the power windowsIf the windows cannot be closed
automatically (e.g. after
disconnecting the vehicle battery), a
warning message or a warning code
is displayed in the Driver Information
Centre (DIC).
Vehicle messages 3 125.
Activate the window electronics as
follows:
1. Close doors.
2. Switch on ignition.
3. Pull switch until the window is closed and keep pulling for
additional 2 seconds.
4. Repeat for each window.Heated rear window
Operated by pressing Ü.
Heating works with the engine
running and is switched off
automatically after a short time.
Sun visors The sun visors can be folded down orswivelled to the side to prevent
dazzling.
If the sun visors have integral mirrors, the mirror covers should be closed
when driving.
A ticket holder is located on the
backside of the sun visor.
Page 41 of 337

Seats, restraints39Front seats
Seat position9 Warning
Only drive with the seat correctly
adjusted.
■ Sit with buttocks as far back against
the backrest as possible. Adjust the distance between the seat and the
pedals so that legs are slightly
angled when pressing the pedals.
Slide the front passenger seat as
far back as possible.
■ Sit with shoulders as far back against the backrest as possible.
Set the backrest rake so that it is possible to easily reach the
steering wheel with arms slightly bent. Maintain contact between
shoulders and the backrest when
turning the steering wheel. Do not
angle the backrest too far back. We recommend a maximum rake of
approx. 25°.
■ Adjust the steering wheel 3 99.
■ Set seat height high enough to have a clear field of vision on allsides and of all display instruments.
There should be at least one hand
of clearance between head and the
roof frame. Your thighs should rest
lightly on the seat without pressing
into it.
■ Adjust the head restraint 3 37.
■ Adjust the height of the seat belt 3 47.■ Adjust the thigh support so that
there is a space approx. two fingers
wide between the edge of the seat
and the hollow of the knee.
■ Adjust the lumbar support so that it
supports the natural shape of the
spine.
Seat adjustment9 Danger
Do not sit nearer than 25 cm from
the steering wheel, to permit safe
airbag deployment.
9 Warning
Never adjust seats while driving as
they could move uncontrollably.
Page 101 of 337
Instruments and controls99Instruments and
controlsControls ....................................... 99
Warning lights, gauges and indi‐ cators ......................................... 107
Information displays ...................118
Vehicle messages ...................... 125
Trip computer ............................. 128
Vehicle personalisation ..............131Controls
Steering wheel adjustment
Unlock lever, adjust steering wheel,
then engage lever and ensure it is fully locked.
Do not adjust steering wheel unless
vehicle is stationary and steering
wheel lock has been released.
Steering wheel controls
The Infotainment system, the cruise
control and a connected mobile
phone can be operated via the
controls on the steering wheel.
Further information is available in the
Infotainment system manual.
Driver assistance systems 3 179.
Page 105 of 337
Instruments and controls103Rear window wiper/washer
Press the rocker switch to activate the
rear window wiper:
upper position=continuous
operationlower position=intermittent
operationmiddle position=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
Settings menu in the Info-Display.
Vehicle personalisation 3 131.
The rear window washer system is
deactivated when the fluid level is too
low.
Outside temperature
A drop in temperature is indicated
immediately and a rise in temperature
after a time delay.
Page 106 of 337

104Instruments and controls
If outside temperature drops to 3 °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.
Time and date settings
CD 400plus/CD 400/CD 300
Press CONFIG . 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 .
■ Display clock : Switches on/off
indication of time on the display.
■ RDS clock synchronization : The
RDS signal of most VHF
transmitters automatically sets the
time. RDS time synchronisation
can take a few minutes. Some
transmitters do not send a correct
time signal. In such cases, it is
recommended to switch off
automatic time synchronisation.
Vehicle personalisation 3 131.
Time and date settings
Navi 950/Navi 650/CD 600
Press CONFIG and then select the
Time and Date menu item to display
the respective submenu.
Page 109 of 337
Instruments and controls107Warning lights, gauges
and indicators
Instrument cluster
In some versions, the needles of the
instruments briefly rotate to the end
position when the ignition is switched on.
Speedometer
Indicates vehicle speed.
Odometer
The bottom line displays the recorded distance in miles.
Trip odometer The top line displays the recorded
distance since the last reset.
To reset, press the SET/CLR button
on the turn signal lever for a few
seconds 3 118.
Some versions are equipped with a
reset knob between speedometer
and Driver Information Centre: to
reset hold the knob depressed for a
few seconds with the ignition on.
Trip odometer counts up to a distance
of 2000 miles and then restarts at 0.
Tachometer
Displays the engine speed.
Drive in a low engine speed range for each gear as much as possible.
Page 110 of 337

108Instruments and controlsCaution
If the needle is in the red warning
zone, the maximum permitted
engine speed is exceeded. Engine at risk.
Fuel gauge
Displays the fuel level or gas level in
the tank depending on the operation
mode.
Control indicator i illuminates if the
level in the tank is low. Refuel
immediately if it flashes.
During liquid gas operation, the
system automatically switches over to
petrol operation when gas tanks are
empty 3 108.
Never run the tank dry.
Because of the fuel remaining in the
tank, the top-up quantity may be less
than the specified tank capacity.
Fuel selector
Press LPG to switch between petrol
and liquid gas operation. The LED
1 status shows the current operating
mode.
1 off=petrol operation1 illumi‐
nates=liquid gas operation1 flashes=no switching is
possible, one type of
fuel is empty
As soon as the liquid gas tank is
empty, petrol operation is
automatically engaged until the
ignition is switched off.
Fuel for liquid gas operation 3 211.
Engine coolant
temperature gauge
Page 111 of 337

Instruments and controls109
Displays the coolant temperature.left area=engine operating
temperature not
yet reachedcentral area=normal operating
temperatureright area=temperature too
highCaution
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 the MENU button 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 the SET/CLR button on turn
signal lever for several seconds to
reset. The remaining engine oil life
duration page must be active. Switch
on ignition, but engine off.
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 3 118.
Service information 3 284.