Page 338 of 464

338 Practical hintsWhat to do if …?Display symbol
Display message
Possible cause
Possible solution
.
Turn signal, front right
Substitute lamp on!
The right front turn signal lamp is malfunc-
tioning. A backup bulb is being used.
Replace the bulb as soon as possible.
Turn signal in
left mirror
The left turn signal in the side mirror is
malfunctioning. This message will only ap-
pear if all light emitting diodes have
stopped working.
Have the LEDs replaced as soon as
possible.
Turn signal in
right mirror
The right turn signal in the side mirror is
malfunctioning. This message will only ap-
pear if all light emitting diodes have
stopped working.
Have the LEDs replaced as soon as
possible.
Turn signal, rear left
Substitute lamp on!
The left rear turn signal lamp is malfunc-
tioning. A backup bulb is being used.
Replace the bulb as soon as possible.
Turn signal rear right
Substitute lamp on!
The right rear turn signal lamp is malfunc-
tioning. A backup bulb is being used.
Replace the bulb as soon as possible.
Please engage
roll-over bar
The roll bar is malfunctioning.
Have the system checked at an autho-
rized Mercedes-Benz Center as soon
as possible.
Please release
roll-over bar
The roll bar is malfunctioning.
Operate the roll bars manually
(page 353).
Have the system checked at an autho-
rized Mercedes-Benz Center as soon
as possible.
Page 339 of 464

339 Practical hints
What to do if …?
Display symbol
Display message
Possible cause
Possible solution
<
Seat belt system
Visit workshop
!
The seat belt system is malfunctioning.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Front passenger
seat belt
Please fasten belt!
The display reminds you and your passen-
gers to fasten seat belts.
Fasten the seat belts.
Driver’s seat belt
Fasten seat belt!
The display reminds you and your passen-
gers to fasten seat belts.
Fasten the seat belts.
1
Restraint system
defective
Visit workshop!
The system is malfunctioning.
Drive with added caution to the near-
est authorized Mercedes-Benz Center.
Warning!
G
In the event a malfunction of the SRS is indi-
cated as outlined above, the SRS may not be
operational. For your safety, we strongly
recommend that you visit an authorized
Mercedes-Benz Center immediately to have
the system checked; otherwise the
SRS may not be activated when needed in
an accident, which could result in serious or
fatal injury, or it might deploy unexpectedly
and unnecessarily which could also result in
injury.
Page 340 of 464
340 Practical hintsWhat to do if …?Display symbol
Display message
Possible cause
Possible solution
K
Lock top
The soft top is not properly locked.
Lock the soft top again (
page 220).
Top being opened
The soft top is not completely open or
closed. The hydraulics are losing pres-
sure.
Open or close the soft top all the way.
Top Visit workshop
The soft top is malfunctioning.
Have the system checked at an autho-
rized Mercedes-Benz Center as soon
as possible.
Start engine to
operate top
The on-board voltage is too low.
Start the engine.
Top locked
as vehicle is moving
You have attempted to open or close the
soft top while driving.
Pull over to the side of the road and re-
peat soft top operation while the vehi-
cle is stationary.
Page 341 of 464

341 Practical hints
What to do if …?
Display symbol
Display message
Possible cause
Possible solution
L
defective
Visit workshop!
One or more main functions of the Tele
Aid system are malfunctioning.
Have the Tele Aid system checked by
an authorized Mercedes-Benz Center.
Tele Aid battery
Visit workshop!
The emergency power battery for the Tele
Aid system is malfunctioning. If the vehi-
cle battery is also dead, Tele Aid will not
be operational.
Have the Tele Aid system checked by
an authorized Mercedes-Benz Center.
_
Steering oil
Visit workshop!
The steering gear oil level is too low.
There is a danger of steering gear dam-
age.
Have the system checked by an autho-
rized Mercedes-Benz Center.
Warning!
G
If the level of steering gear oil in reservoir is
too low, the steering power assistance could
fail. Much greater effort will then be needed
to turn the steering wheel.
Do not add steering oil without checking the
steering system.
Do not drive the vehicle. Have the system
checked at your authorized Mercedes-Benz
Center as soon as possible.
Page 342 of 464
342 Practical hintsWhat to do if …?Display symbol
Display message
Possible cause
Possible solution
ì
Function
Not available
This display appears if button ì or
í on the multifunction steering wheel
is pressed and the vehicle is not equipped
with a telephone.
Ê
Trunk open!
This message will appear whenever the
trunk lid is open.
Close the trunk lid.
Close trunk lid
This message will appear when the soft
top is operated with the trunk lid open.
Close the trunk lid.
Please close
trunk partition
This message will appear when the soft
top is operated with the luggage cover or
ski sack open.
Fold down and latch luggage cover
(page 216).
Close the ski sack roller blind
(page 217).
W
Washer fluid
Check level
The fluid level has dropped to about
1/3 of
total reservoir capacity.
Add washer fluid (
page 295).
Page 355 of 464

355 Practical hints
Opening/closing in an emergency
Press head restraint down in direction
of arrow4.
Pull hex wrench 2 out and take weight
off head restraint.
Repeat this procedure on roll bar for
second head restraint.
Soft top emergency operation
If the soft top cannot be automatically
closed, check the following:
Is the luggage cover engaged in place
(page 216)?
Is the ski sack roller blind closed
(page 217)?
Have the roll bars been released?
Is the trunk lid closed?
Is there sufficient on-board voltage?
Start the engine if necessary.
These messages will also appear in the
multifunction display (
page 342).
If automatic operation still does not func-
tion properly, you can close the soft top
manually.
This procedure should be performed with
great care by two persons.
!Manually closing the soft top is a com-
plicated and technically demanding
procedure. Close the soft top manually
in emergency cases only. Otherwise,
visit an authorized Mercedes-Benz
Center. Please read the instructions
fully before beginning operation and
only undertake it with another person
and if you feel fully capable of perform-
ing the tasks involved. Warning!
G
It is important that a second person
helps you. Otherwise, you could become
trapped or injured.
Remove any wristwatches or jewelry
such as rings or bracelets. Otherwise,
they could get caught in the vehicle
mechanism, causing personal injury to
yourself or damage to the vehicle.
Always use the grips provided and indi-
cated. Otherwise you could injure your-
self.
Page 420 of 464

420 Technical termsCAC
(C
ustomer A
ssistance C
enter)
Mercedes-Benz customer service cen-
ter, which can help you with any ques-
tions about your vehicle and provide
assistance in the event of a break-
down.
CAN system
(C
ontroller A
rea N
etwork)
Data bus network serving to control ve-
hicle functions such as door locking or
windshield wiping.
Cockpit
All instruments, switches, buttons and
indicator/warning lamps in the passen-
ger compartment needed for vehicle
operation and monitoring.COMAND
(C
ockpit M
anagement and D
ata Sys-
tem)
Information and operating center for
vehicle sound and communications
systems, including the radio and the
navigation system, as well as other op-
tional equipment (CD changer, tele-
phone, etc.).
Control system
The control system is used to call up
vehicle information and to change
component settings. Information and
messages appear in the multifunction
display. The driver uses the buttons on
the multifunction steering wheel to
navigate through the system and to ad-
just settings.
Cruise control
Driving convenience system for auto-
matically maintaining the vehicle speed
set by the driver.Distronic*
A driving convenience cruise control
system which helps the driver maintain
a pre-selected speed:
If there is no vehicle directly ahead,
the system operates in the same
way as conventional ->cruise con-
trol.
If a slower moving vehicle is ahead,
Distronic will reduce your vehicle
speed to the extent permitted by re-
duced throttle and up to 20% brak-
ing power to maintain the preset
minimum following distance.
Page 421 of 464

421 Technical terms
Engine number
The number set by the manufacturer
and placed on the cylinder block to
uniquely identify each engine pro-
duced.
Engine oil viscosity
Measurement for the inner friction (vis-
cosity) of the oil at different tempera-
tures. The higher the temperature an
oil can tolerate without becoming thin,
or the lower the temperature it can tol-
erate without becoming viscous, the
better the viscosity.
ESP
(E
lectronic S
tability Pr
ogram)
Improves vehicle handling and direc-
tional stability.
ETD
(E
mergency T
ensioning D
evice)
Device which deploys in certain frontal
and rear collisions exceeding the sys-
tem's threshold to tighten the seat
belts.
->SRSFSS
(F
lexible S
ervice S
ystem)
Service indicator in the multifunction
display that informs the driver when
the next vehicle maintenance service is
due.
Gear range
Number of gears which are available to
the automatic transmission for shifting.
The automatic gear shifting process
can be adapted to specific operating
conditions using the gear selector le-
ver.
GPS
(G
lobal P
ositioning S
ystem)
Satellite-based system for relaying
geographic location information to and
from vehicles equipped with special re-
ceivers. Employs CD digital maps for
navigation.Head-thorax airbag
Installed in the driver and the front pas-
senger seat, these airbags protect oc-
cupants during side impact collisions
exceeding a preset threshold. Unlike
normal side airbags, head-thorax air-
bags are also designed to provide pro-
tection for the head area.
Instrument cluster
The displays and indicator/warning
lamps in the driver’s field of vision, in-
cluding the tachometer, speedometer,
engine temperature and fuel gauge.
KEYLESS-GO*
System for entering and operating the
vehicle without the use of a SmartKey.
Kickdown
Depressing the accelerator past the
point of resistance shifts the transmis-
sion down to the lowest possible gear.
This very quickly accelerates the vehi-
cle and should not be used for normal
acceleration needs.