Page 43 of 261
Keys, doors and windows416. Insert the 4 mm Allen key into the
marked position of the flap-drive
unit. Turn the Allen key clockwise
all the way to the stop, so that the sideways flaps are swivelled in.
7. Open the soft top lid to its end position.
8. Remove plastic covers on bothsides by pushing and sliding
backwards, see illustration.
9. At the hinges on each side there are visible marks.
10. Haul in the attached strings around the marked position at the
hinge on both sides and pull the
end of the string through the loop, as shown in the illustration.
11. Deposit the end of the strings at the front.
Page 44 of 261
42Keys, doors and windows
12.Pull out the soft top by lifting up the
front bow ( 1) and simultaneously
the tension bow ( 2) on both sides.
13. Move the front bow ( 1) to the
windscreen frame.
14. Remove the small lid in the windscreen frame trim using a
screwdriver which is inserted in
the recess of the lid.
15. Insert the 6 mm Allen key into the
closure and lock the latch by
turning the Allen key clockwise to
its end position.
16. Lift up the tension bow ( 2) of the
soft top on both sides. Raise up
soft top lid by pushing slowly
approx. to the half raised position
and then let it slide into the closed position.
17. Lower the tension bow ( 2) of the
soft top.
Note
In this position, the vehicle can be
driven to a workshop for soft top
overhaul. The soft top is not
completely waterproof and not
latched at the rear.
To latch the soft top completely,
execute the following step.
Page 80 of 261

78Instruments and controlsInstruments and
controlsControls ....................................... 79
Steering wheel adjustment ........79
Steering wheel controls .............79
Heated steering wheel ...............79
Horn ........................................... 80
Windscreen wiper and washer ..80
Outside temperature ..................81
Clock ......................................... 82
Power outlets ............................. 83
Cigarette lighter ......................... 84
Ashtrays .................................... 84
Warning lights, gauges and indi‐ cators ........................................... 85
Instrument cluster ......................85
Speedometer ............................. 85
Odometer .................................. 85
Trip odometer ............................ 85
Tachometer ............................... 86
Fuel gauge ................................ 86
Engine coolant temperature gauge ....................................... 86
Service display .......................... 87
Control indicators ......................88
Turn lights .................................. 90Seat belt reminder.....................91
Airbag, belt tensioners and roll bars .......................................... 91
Airbag deactivation ....................91
Charging system .......................91
Malfunction indicator light ..........92
Brake and clutch system ...........92
Operate pedal ............................ 92
Electric parking brake ................92
Electric parking brake fault ........93
Antilock brake system (ABS) .....93
Upshift ....................................... 93
Power steering .......................... 93
Lane departure warning ............93
Electronic Stability Control off ...94
Electronic Stability Control and Traction Control system ...........94
Traction Control system off .......94
Exhaust filter .............................. 94
Tyre pressure monitoring system ...................................... 94
Engine oil pressure ....................95
Low fuel ..................................... 95
Immobiliser ................................ 95
Exterior light .............................. 95
High beam ................................. 95
High beam assist .......................95
Adaptive forward lighting ...........95
Front fog lights ........................... 96
Rear fog light ............................. 96Cruise control............................ 96
Vehicle detected ahead .............96
Door open .................................. 96
Displays ....................................... 96
Driver Information Centre ..........96
Info Display .............................. 101
Vehicle messages ......................103
Warning chimes .......................103
Battery voltage ........................ 104
Vehicle personalisation ..............104
Telematics service .....................109
OnStar ..................................... 109
Page 84 of 261
82Instruments and controls
The illustration shows Colour-Info-
Display
If outside temperature drops to 3 °C,
a warning message is displayed in the Driver Information Centre.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
Page 107 of 261
Instruments and controls105
Press CONFIG . The menu Settings is
displayed.
The following settings can be
selected by turning and pressing the
multifunction knob:
● Sport mode settings
● Languages
● Time Date
● Radio settings
● Phone settings
● Vehicle settings
In the corresponding submenus the
following settings can be changed:
Sport mode settings
The driver can select the functions
which will be activated in Sport mode
3 154.
● Sport suspension : Damping
becomes harder.
● Sport powertrain performance :
Accelerator pedal and gear
change characteristics become
more responsive.
● Sport steering : Steering support
is reduced.
● Swap backlight colour main
instr. : Changes the instrument
illumination colour.Languages
Selection of the desired language.
Time Date
See 'Clock' 3 82.
Radio settings
See Infotainment manual for further
information.
Phone settings
See Infotainment manual for further information.
Page 181 of 261

Driving and operating1799Danger
Fuel is flammable and explosive.
No smoking. No naked flames or
sparks.
If you can smell fuel in your
vehicle, have the cause of this
remedied immediately by a
workshop.
A label with symbols at the fuel filler
flap is indicating the allowed fuel
types. In Europe the pump nozzles of the filling stations are marked with
these symbols. Refuel only the
allowed fuel type.
Caution
In case of misfuelling, do not
switch on ignition.
Fuel filler flap is located at right rear
side of vehicle.
The fuel filler flap can only be opened
if the vehicle is unlocked. Release the
fuel filler flap by pushing the flap.
To open, turn the cap slowly
anticlockwise.
The fuel filler cap can be retained in
the bracket on the fuel filler flap.
To refuel, fully insert the pump nozzle
and switch it on.
After the automatic cut-off, the tank can be topped up by operating the
pump nozzle a maximum of two more
times.Caution
Wipe off any overflowing fuel
immediately.
To close, turn the fuel filler cap
clockwise until it clicks.
Close the flap and allow it to engage.
Fuel filler cap
Only use genuine fuel filler caps.
Page 185 of 261
Driving and operating183Checking the tensioning of the
coupling ball bar
● Red marking on rotary knob must
point towards green marking on
coupling ball bar.
● The gap between the rotary knob
and the coupling ball bar must be approx. 6 mm.
● The key must be in position c.
Otherwise, the coupling ball bar must be tensioned before being inserted:
● Unlock coupling ball bar by turning key to position c.
● Pull out rotary knob and turn
clockwise as far as it will go.
Inserting the coupling ball bar
Insert the tensioned coupling ball bar
in the opening and push firmly
upwards until it audibly engages.
The rotary handle snaps back into its
original position resting against the
coupling ball bar without a gap.9 Warning
Do not touch rotary handle during
insertion.
Lock the coupling ball bar by turning
the key to position e. Remove the key
and close the protective flap.
Eye for break-away stopping cable
Page 186 of 261
184Driving and operatingAttach breakaway stopping cable to
eye.
Check that the coupling ball bar is correctly installed
● Green marking on rotary knob must point towards green
marking on coupling ball bar.
● There must be no gap between the rotary handle and the
coupling ball bar.
● The coupling ball bar must be firmly engaged in the opening.
● The coupling ball bar must be locked and the key removed.9Warning
Towing a trailer is permitted only
when a coupling ball bar is fitted correctly. If the coupling ball bardoes not engage correctly, seekthe assistance of a workshop.
Dismounting the coupling ball bar
Open the protective flap and turn the
key to position c to unlock the
coupling ball bar.
Pull out rotary handle and turn
clockwise as far as it will go. Pull out coupling ball bar downwards.
Insert sealing plug in opening. Fold away socket.
Stow and secure the coupling ball bar
as mentioned above.