Mercedes-Benz GL-Class: Problems with air bag deactivation system
WARNING 
If the 
indicator lamp
illuminates and remains illuminated when the weight of a
typical adult or someone larger than a small individual has been detected on the
passenger seat,
the system then determines the occupant cannot be a child. Do not allow any
occupant to use
the passenger seat until the system has been repaired.
System self-test
The 42 indicator lamp
illuminates when you:
• turn the SmartKey to position 1 or 2 in the
ignition lock
• on vehicles with KEYLESS-GO, press the
Start/Stop button once or twice
The indica ...
PRE-SAFE® (preventative occupantprotection)
WARNING
The PRE-SAFE® system reduces the impact of
an accident on vehicle occupants, as long as
their seat belts have been fastened correctly.
Although your vehicle is equipped with a ...
See also:
Anti-theft Alarm System
On vehicles with an anti-theft alarm system, to activate the system:
► Press on the Remote Keyless Entry
(RKE) transmitter or the power door lock switch when any door is open.
The securit ...
If the Off Indicator is Lit for an Adult-Size Occupant
If a person of adult size is sitting in the right front passenger seat, but the
off indicator is lit, it could be because that person is not sitting properly in
the seat. If this happens, use the ...
Switching off the engine
Before stopping the engine, ensure that the vehicle is parked safely with the
parking brake applied and P selected.
Press and release the engine START/STOP button to stop the engine. The audio,
t ...
