Mercedes-Benz CLS Operator's Manual page 55

Problem
The PASSENGER AIR
BAG OFF indicator
lamp does not light up
and/or does not stay
on.
The front-passenger
seat is:
unoccupied
R
occupied with the
R
weight of a child up
to twelve months old
in a child restraint
system
NECK-PRO head restraints/NECK-
PRO luxury head restraints
Important safety notes
G WARNING
The function of the head restraint may be
impaired if you:
attach objects such as coat hangers to the
R
head restraints, for example
use head restraint covers
R
If you do so, the head restraints cannot fulfill
their intended protective function in the event
of an accident. In addition, objects attached
to the head restraints could endanger other
vehicle occupants. There is an increased risk
of injury.
Do not attach any objects to the head
restraints and do not use head restraint
covers.
NECK-PRO head restraints/NECK-PRO luxury
head restraints increase protection of the
Possible causes/consequences and M Solutions
The COS is malfunctioning.
Make sure there is nothing between the seat cushion and the
X
child seat.
Make sure that the backrest and base of the child restraint
X
system rest on the front-passenger seat. If necessary, adjust
the position of the front-passenger seat.
When installing the child restraint system, make sure that the
X
seat belt is tight. Do not pull the seat belt tight with the front-
passenger seat adjustment. This could result in the seat belt
being pulled too tightly.
Check the installation of the child restraint system.
X
Make sure that no objects are applying additional weight onto
X
the seat.
If the PASSENGER AIR BAG OFF indicator lamp remains off, have
X
the COS checked immediately at a qualified specialist
workshop. Do not transport a child on the front-passenger seat
until the COS has been repaired.
Observe the additional display messages in the multifunction
X
display ( page 244).
Y
driver's and front-passenger's head and
neck. In the event of a rear collision of a
certain severity, the NECK-PRO head
restraints/NECK-PRO luxury head restraints
on the driver's and the front-passenger seats
are moved forwards and upwards. This
provides better head support.
If the NECK-PRO head restraints/NECK-PRO
luxury head restraints have been triggered in
an accident, reset the NECK-PRO head
restraints/NECK-PRO luxury head restraints
on the driver's and front-passenger seats
(
protection will not be available in the event of
another rear-end collision. NECK-PRO head
restraints/NECK-PRO luxury head restraints
that have been triggered are moved forwards
and can no longer be adjusted.
Mercedes-Benz recommends that you have
the NECK-PRO head restraints/NECK-PRO
luxury head restraints checked at a qualified
specialist workshop after a rear-end collision.
Occupant safety
page 54). Otherwise, the additional
Y
53
Z