Mercedes-Benz S-Class Operator's Manual page 402

Display messages
400
G
WARNING
If the 42 indicator lamp remains off even after performing the above corrective
steps, do not have any children 12 years old and under and other small individuals use the front-
passenger seat until the system has been repaired.
Display messages
Front Passenger
Airbag Disabled
See Oper. Manual
G
WARNING
If the 42 indicator lamp remains lit with an adult occupant on the front-passenger
seat even after performing the above corrective steps, do not have any passenger use the front-
passenger seat until the system has been repaired.
Possible causes/consequences and M Solutions
The front-passenger air bag is deactivated during the journey even
though an adult or a person larger than a certain size is occupying
the front-passenger seat. If additional forces are applied to the
seat, the system may interpret the occupant's weight as lower
than it actually is.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Engage the parking brake.
X
Switch off the ignition.
X
Have the occupant get out of the vehicle.
X
Keep the seat unoccupied, close the front-passenger door and
switch on the ignition.
Observe the 42(
multifunction display and check the following:
Seat unoccupied and ignition switched on:
the 42 indicator lamp must light up and remain lit.
R
When the indicator lamp is on, OCS (
the front-passenger air bag.
the Front Passenger Airbag Enabled See Oper. Manual
R
Front Passenger Airbag Disabled See Oper. Manual
or
display messages must not appear in the multifunction display.
Wait for a period of at least 60 seconds until the necessary
system checks have been completed and to make sure that the
display messages do not appear in the multifunction display.
If these conditions are fulfilled, the front-passenger seat can be
occupied again. Whether the 42 indicator lamp
remains lit or goes out depends on how OCS classifies the
occupant.
If the conditions are not fulfilled, the system is not operating
correctly.
X
Visit a qualified specialist workshop immediately.
I n f o r ma t i o n P r o v i d e d b y :
Y page 50) indicator lamp and the
Y page 50) has deactivated