Page 41 of 299

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 96.
■ 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 52.■ 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 adjustment
Drive only with engaged seats and
backrests.9 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 67 of 299
Storage65StorageStorage compartments................65
Load compartment .......................78
Roof rack system .........................93
Loading information .....................94Storage compartments9Warning
Do not store heavy or sharp
objects in the storage
compartments. Otherwise, the
storage compartment lid could
open and vehicle occupants could be injured by objects being thrown
around in the event of hard
braking, a sudden change in
direction or an accident.
Instrument panel storage
In the instrument panel in front of the
Info-Display is a storage
compartment. Push to open the lid.
Glovebox
There are two gloveboxes on the
passenger side.
To open the upper glovebox, press
button on the left side in the open
storage.
To open the lower glovebox, pull the
handle.
The gloveboxes should be closed
whilst driving.
Page 98 of 299
96Instruments and controlsInstruments and
controlsControls ....................................... 96
Warning lights, gauges and indi‐
cators ......................................... 104
Information displays ...................117
Vehicle messages ...................... 123
Trip computer ............................. 127
Vehicle personalisation ..............130Controls
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, some driver assistance systems 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 102 of 299
100Instruments and controlsRear 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 3 130.
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.
Page 103 of 299

Instruments and controls101
If outside temperature drops to 3 °C,
a warning message is displayed in the Driver Information Centre with
Uplevel-Display or 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 300 /CD 400 /CD400plus and Navi
600/Navi 900
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
hours and 24 hours .
■Set date format : Changes
indication of date between MM/DD/
YYYY and DD.MM.YYYY .
■ Display digital 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 3 130.
Time and date settings
CD 600/Navi 650/Navi 950
Press the Config button and then
select the Time and Date menu item
to display the respective submenu.
Page 106 of 299
104Instruments and controls
The portable ashtray can be placed inthe cupholders.
Warning 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 km.
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 3 117.
Page 107 of 299
Instruments and controls105
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 kilometres and restarts then
with 0.
Tachometer
Displays the engine speed.
Drive in a low engine speed range for each gear as much as possible.
Caution
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 pressure
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 3 105.
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
Natural gas operation
Page 108 of 299

106Instruments and controls
Press button Y to switch between
petrol and natural gas operation. The LED 1 status shows the current
operating mode.1 off=natural gas
operation.1 illumi‐
nates=petrol operation.1 flashes=no switching is
possible, one type
of fuel is empty.
As soon as the natural gas tank is empty, petrol operation is
automatically engaged until the
ignition is switched off.
Fuel for natural gas operation 3 209.
Liquid gas operation
Press button 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 3 210.
Engine coolant
temperature gauge
Displays the coolant temperature.
left area=engine operating
temperature not yet
reachedcentral
area=normal operating
temperatureright area=temperature too high