Mercedes-Benz 2008 M-Class Operator's Manual page 423

Practical hints
What to do if ...
Display message Possible
cause/conse-
quence
Warning!
If the 59 indicator lamp
422
Possible solution
Monitor the 59 indicator lamp on the center console ( page 83) and
the multifunction display in the instrument cluster ( page 26) for the following:
With the seat unoccupied and the ignition turned on,
the 59 indicator lamp on the center console should illuminate and
remain illuminated, indicating that the OCS ( page 79) has deactivated the air
bag.
the message
message Front Passenger Airbag Disabled See Operator's Manual
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 display.
If above conditions are met, you can occupy the front passenger seat again.
Depending on the front passenger classification sensed by the OCS ( page 79),
the 59 indicator 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 Light Truck Center.
G
remains out even after performing the above
corrective steps, do not have any children
12 years old and under and other small
Front Passenger Airbag Enabled See Operator's Manual
individuals use the front passenger seat
until the system has been repaired.
or the
should not