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Practical hints
What to do if …
Problem Possible cause/conse-
quence
Suggested solution
56 The front passenger front
air bag off indicator lamp
does not illuminate
and/or does not remain
illuminated with the
weight of a typical
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 that no objects applying supplemental
weight onto the seat are present.
̈ If the front passenger front air bag off indicator lamp
remains out, have the system checked as soon as pos-
sible by an authorized Mercedes-Benz Center. Do not
transport a child on the front passenger seat until the
system has been repaired.
̈ Also note any messages in the multifunction display
and follow corrective steps (
୴ page 337).
Warning! G
If the 56 indicator 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.