MERCEDES-BENZ CL550 2008 C216 Owner's Manual

620 Practical hintsWhat to do if …?Air bag off indicator lampProblem
Possible cause/consequence
Suggested solution
59The front passenger front
air bag off indicator lamp
illuminates and remains il-
luminated with the weight
of a typical adult or some-
one larger than a small in-
dividual on the front
passenger seat.
The system is malfunctioning.

Have the system checked as soon as possible by an authorized
Mercedes-Benz Center.

Also read and observe any messages in the multifunction display
and follow corrective steps (
page 622).
Warning!
G
If the59indicator lamp
illuminates and remains illuminated with the
weight of a typical adult or someone larger
than a small individual on the front passen-
ger seat, do not have any passenger use the
front passenger seat until the system has
been repaired.

621 Practical hints
What to do if …?
Problem
Possible cause/consequence
Suggested solution
59The front passenger front
air bag off indicator lamp
does not illuminate and/or
does not remain illuminat-
ed with the weight of a typ-
ical 12-month-old child in a
standard child restraint or
less on the front passen-
ger seat.
The system is malfunctioning.

Make sure there is nothing between seat cushion and child seat and
check installation of the child seat.

Make sure no objects applying supplemental weight onto the seat
are present.

Make sure no objects which apply forces to the seat are present
(e.g. objects such as books, briefcases etc. lodged behind or around
the seat, head restraints pushing against roof etc.). The system may
recognize such forces as supplemental weight.

If the front passenger front air bag off indicator lamp remains out,
have the system checked as soon as possible by an authorized
Mercedes-Benz Center. Do not transport a child on the front pas-
senger seat until the system has been repaired.

Also read and observe any messages in the multifunction display
and follow corrective steps (
page 622).
Warning!
G
If the59indicator lamp does
not illuminate or remains out with the
weight of a typical 12-month-old child in a
standard child restraint or less on the front
passenger seat, do not transport a child on
the front passenger seat until the system
has been repaired.

622 Practical hintsWhat to do if …?Vehicle status messages in the multi-function display
Warning and malfunction messages ap-
pear in the multifunction display located in
the instrument cluster.
Certain warning and malfunction messag-
es are accompanied by an audible signal.
High-priority messages are shown in red
on the multifunction display. Messages of
lower priority are also shown in yellow or
white.
Address these messages accordingly and
follow the additional instructions given in
this Operator’s Manual.Certain messages of high priority cannot
be cleared from the multifunction display
using# or L on the multifunction
steering wheel (
page 283).
Other messages of high priority and mes-
sages of less immediate priority can be
cleared from the multifunction display
using# or L. They are then stored
in the vehicle status message memory
(
page 300). Remember that clearing a
message will only make the message dis-
appear. Clearing a message will not cor-
rect the condition that caused the
message to appear.
Warning!
G
No messages will be displayed if either the
instrument cluster or the multifunction dis-
play is inoperative.
As a result, you will not be able to see infor-
mation about your driving conditions, such
as speed or outside temperature, warn-
ing/indicator lamps, malfunction/warning
messages or the failure of any systems.
Driving characteristics may be impaired.
If you must continue to drive, please do so
with added caution. Contact an authorized
Mercedes-Benz Center as soon as possible.

623 Practical hints
What to do if …?
On the pages that follow, you will find a
compilation of the most important warning
and malfunction messages that may ap-
pear in the malfunction display.
For your convenience the messages are di-
vided into two sections:

Text messages (
page 624)


Symbol messages (
page 639)
Warning!
G
All categories of messages contain impor-
tant information which should be taken note
of and, where a malfunction is indicated, ad-
dressed as soon as possible at an autho-
rized Mercedes-Benz Center.
Failure to repair condition noted may cause
damage not covered by the Mercedes-Benz
Limited Warranty, or result in property dam-
age or personal injury.i
Switching on the ignition causes all instru-
ment cluster lamps (except high beam headlamp
indicator lamp and turn signal indicator lamps
unless activated) as well as the multifunction dis-
play to come on. Make sure the lamps and multi-
function display are in working order before
starting your journey.

624 Practical hintsWhat to do if …?Text messagesDisplay
Possible cause/consequence
Possible solution
Apply Brake
to Shift
from 'P'
You have tried to Shift the automatic trans-
mission to drive position D, reverse gear R
or neutral positionN without stepping on
the brake.

Step on brake.
Cruise Control
- - - mph
(USA only)
You have tried to switch on cruise control
below a speed of 20 mph (30 km/h).

Drive faster than 20 mph (30 km/h) and save the speed.
Cruise Control
- - - kmh
(Canada only)
ESP
® is switched off.

Switch on ESP
® (page 74).
The automatic transmission is in park posi-
tion P, reverse gearR or neutral positionN.

Shift the automatic transmission to drive positionD
(page 417).
The system is overheated.

Wait until the system cools down.
The vehicle is secured in place by the elec-
tronic parking brake.

Release electronic parking brake (
page 412).
Cruise Control
Inoperative
Cruise control is malfunctioning.

Have cruise control checked by an authorized Mercedes-Benz
Center.

625 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
DISTRONIC PLUS
Currently Unavailable
See Oper. Manual
DISTRONIC Plus* is switched off and is
temporarily unavailable.
DISTRONIC Plus* is deactivated if:

the DISTRONIC Plus* cover in the radi-
ator grille is dirty


the radar sensors* do not sense any
other vehicles or objects, i.e. road sign
or similar to this, for a long time


the system is overheated


its function is impaired as a result of
heavy precipitation or fog


the battery voltage is insufficient

Clean the DISTRONIC Plus* cover in the radiator grille
(page 599).

Restart the vehicle.

Try activating DISTRONIC Plus* again later.

Wait until the system cools down or the battery recovers.
DISTRONIC Plus* will be operational again without you needing to
restart the engine if:


the dirt (e.g. slush) loosens while you are driving


the system detects that the sensors* are fully available again


the message in the multifunction display disappears
DISTRONIC Plus* is switched off because
the radar sensor system* is temporarily in-
operative due to electromagnetic interfer-
ence near television and radio transmitter
stations, toll stations, speed measuring
systems, etc.

Wait until the message in the multifunction display disappears.

626 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
DISTRONIC PLUS
Inoperative
DISTRONIC Plus* is malfunctioning.
BAS Plus* and PRE-SAFE
® Brake* are also
not available.

Contact an authorized Mercedes-Benz Center as soon as pos-
sible.
DISTRONIC PLUS
Override
You have depressed the accelerator pedal,
DISTRONIC Plus* is no longer controlling
the speed of the vehicle.

Release the accelerator pedal.
DISTRONIC PLUS
- - - mph
(USA only)
DISTRONIC PLUS
- - - kmh
(Canada only)
You have attempted to activate DISTRONIC
Plus* at a speed below 20 mph (30 km/h)
without the vehicle in front being displayed
in the multifunction display (
page 443).

Drive faster than 20 mph (30 km/h) and activate DISTRONIC
Plus* again.
ESP
® is switched off.

Switch on ESP
® (page 70).
The driver’s door is open and the drivers
seat belt is unbuckled.

Close the driver’s door and fasten your seat belt.
The hood is open.

Close the hood (
page 554).
The automatic transmission is in park posi-
tion P, reverse gearR or neutral positionN.

Shift the automatic transmission to drive positionD
(page 417).
The vehicle is secured in place by the elec-
tronic parking brake.

Release electronic parking brake (
page 412).
The system is overheated.

Wait until the system cools down.

627 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Door Open
Vehicle Not in Park
You have opened the driver’s
door and the automatic trans-
mission is still in drive position
D, reverse gearR or neutral
positionN.

Before you leave the vehicle, make sure that the automatic transmission
is shift to park positionP (
page 417) and that the electronic parking
brake is engaged (
page 412).

628 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Front Passenger
Airbag Disabled
See Oper. Manual
Front passenger front air bag is
deactivated while driving even
though an adult or someone
larger than a small individual is
occupying the front passenger
seat. Forces acting on the seat
may make the system sense a
decrease in weight.
Stop the vehicle in a safe location as soon as possible and check the front
passenger seat for the following:
Engage the electronic parking brake (
page 412).

Switch off the ignition (
page 365).

Have the front passenger vacate the seat and exit the vehicle.

Adjust the seat in a height position (
page 368).

Make sure that no objects which apply forces to the seat are present (e.g.
objects such as books, briefcases etc. lodged underneath, behind or
around the seat). Such forces may cause the system to sense that an oc-
cupant of a lesser weight than actually present is on the front passenger
seat.

Keep the seat unoccupied, close the passenger door and switch on the ig-
nition (
page 365).
Monitor the 59indicator lamp right of the instrument cluster
(
page 51) and the multifunction display in the instrument cluster
(page 282) for the following:
(Continued on next page)

629 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Front Passenger
Airbag Disabled
See Oper. Manual
With the seat unoccupied and the ignition switched on (
page 365),


the 59indicator lamp right of the instrument cluster should
illuminate and remain illuminated, indicating that the OCS (
page 48)
has deactivated the air bag.


the message “Front Passenger Airbag Enabled See Oper. Manual” or the
message “Front Passenger Airbag Disabled See Oper. Manual” should not
appear in the multifunction display at any time the seat is unoccupied.
Wait at least 60 seconds for the system to complete the necessary check
cycles and to make sure neither message appears in the multifunction dis-
play.
If above conditions are met, you can occupy the front passenger seat again.
Depending on the front passenger classification sensed by the OCS
(
page 48), the59indicator lamp will remain illuminated or go
out.
If above conditions are not met, the system is not working properly. Have the
system checked as soon as possible by an authorized Mercedes-Benz Center.
Warning!
G
If the 59indicator lamp re-
mains illuminated with an adult occupant on
the front passenger seat even after
performing the above corrective steps, do
not have any passenger use the front pas-
senger seat until the system has been re-
paired.