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Practical hints
What to do if …
Problem Possible cause/conse-
quence
Suggested solution
(USA only)
75
The 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 passenger seat.
The system is malfunctioning. ̈ Make sure that there is nothing between seat cush-
ion and child seat and check installation of the child
seat.
̈ Make sure that no objects applying supplemental
weight onto the seat are present.
̈ Make sure that no objects which apply forces to the
seat are present (e.g. objects such as books, brief-
cases etc. lodged behind or around the seat, head
restraints pushing against roof etc.). The system
may recognize such forces as supplemental weight.
̈ If the light remains out, have the system checked as
soon as possible by an authorized Mercedes-Benz
Center. Do not transport a child on the front passen-
ger seat until the system has been repaired.
̈ Read and observe messages in the multifunction
display and follow corrective steps (
୴ page 401).
Warning! G
If the 75 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 passen-
ger seat until the system has been repaired.